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initial: nsUnz plugin 1.0.0

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2026-04-29 14:06:55 +02:00
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.editorconfig
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root = true
[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
indent_style = space
indent_size = 4
[*.{yml,yaml,json}]
indent_size = 2
[*.md]
trim_trailing_whitespace = false
[*.{cmd,bat,ps1}]
end_of_line = crlf
[*.{nsi,nsh,sln,vcxproj,filters}]
end_of_line = crlf
[Makefile]
indent_style = tab
.gitattributes
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# Normalizzazione line endings
* text=auto eol=lf
# File di codice
*.c text eol=lf
*.cpp text eol=lf
*.h text eol=lf
*.hpp text eol=lf
*.def text eol=lf
*.py text eol=lf
*.ps1 text eol=lf
*.cmd text eol=crlf
*.bat text eol=crlf
# NSIS
*.nsi text eol=crlf
*.nsh text eol=crlf
# Markdown / docs / config
*.md text eol=lf
*.yml text eol=lf
*.yaml text eol=lf
*.json text eol=lf
*.txt text eol=lf
*.xml text eol=lf
# Visual Studio (CRLF richiesto)
*.sln text eol=crlf
*.vcxproj text eol=crlf merge=union
*.filters text eol=crlf merge=union
*.rc binary
*.rc2 binary
# Binari
*.dll binary
*.exe binary
*.lib binary
*.obj binary
*.pdb binary
*.zip binary
*.7z binary
*.png binary
*.ico binary
*.gif binary
*.jpg binary
*.jpeg binary
*.bmp binary
*.pdf binary
# Linguistic detection (GitHub Linguist / Gitea analogo)
*.nsi linguist-language=NSIS
*.nsh linguist-language=NSIS
.github/ISSUE_TEMPLATE/bug_report.yml
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name: Bug Report
description: Segnala un bug riproducibile
title: "[Bug]: "
labels: ["bug", "triage"]
body:
- type: markdown
attributes:
value: |
Grazie per la segnalazione. Compila i campi sotto per aiutarci a riprodurre il problema.
- type: input
id: plugin-version
attributes:
label: Versione plugin
description: Contenuto del file VERSION o tag della release scaricata
placeholder: "1.6.0"
validations:
required: true
- type: dropdown
id: architecture
attributes:
label: Architettura DLL usata
options:
- x86-ansi
- x86-unicode
- amd64-unicode
- non so / multiple
validations:
required: true
- type: input
id: nsis-version
attributes:
label: Versione NSIS
placeholder: "3.10"
validations:
required: true
- type: input
id: os
attributes:
label: Sistema operativo
placeholder: "Windows 11 23H2 x64"
validations:
required: true
- type: textarea
id: repro
attributes:
label: Passi per riprodurre
description: Script .nsi minimale che riproduce il problema
render: nsis
validations:
required: true
- type: textarea
id: expected
attributes:
label: Comportamento atteso
validations:
required: true
- type: textarea
id: actual
attributes:
label: Comportamento osservato
description: Includi messaggi di errore esatti, output del log NSIS, screenshot
validations:
required: true
- type: textarea
id: additional
attributes:
label: Note aggiuntive
description: Qualunque altra informazione utile (workaround tentati, ecc.)
.github/ISSUE_TEMPLATE/config.yml
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blank_issues_enabled: false
contact_links:
- name: Domande generali
url: https://gitea.emulab.it/Simone/nsis-plugin-nsunz/issues?type=question
about: Per domande di utilizzo che non sono bug, apri una issue con label "question"
- name: Security
url: https://gitea.emulab.it/Simone/nsis-plugin-nsunz/security/advisories/new
about: Segnala vulnerabilità di security in privato (non aprire issue pubbliche)
.github/ISSUE_TEMPLATE/feature_request.yml
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name: Feature Request
description: Suggerisci una nuova funzionalità o miglioramento
title: "[Feature]: "
labels: ["enhancement"]
body:
- type: textarea
id: problem
attributes:
label: Problema / Caso d'uso
description: Quale problema vorresti risolvere? Quale workflow vuoi abilitare?
validations:
required: true
- type: textarea
id: proposal
attributes:
label: Proposta
description: Come dovrebbe funzionare? Includi esempio di API/uso negli script NSIS se possibile.
render: nsis
validations:
required: true
- type: textarea
id: alternatives
attributes:
label: Alternative considerate
description: Altri approcci che hai valutato e perché sono stati scartati
- type: textarea
id: additional
attributes:
label: Note aggiuntive
.github/PULL_REQUEST_TEMPLATE.md
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## Descrizione
<!-- Descrivi cosa cambia questa PR e perché. Riferisci issue se applicabile (Closes #XXX). -->
## Tipo di Modifica
- [ ] Bug fix (modifica non breaking che risolve un problema)
- [ ] Feature (modifica non breaking che aggiunge funzionalità)
- [ ] Breaking change (fix o feature che rompe la compatibilità)
- [ ] Documentazione
- [ ] Build / CI
## Architetture Testate
- [ ] `x86-ansi`
- [ ] `x86-unicode`
- [ ] `amd64-unicode`
## Checklist
- [ ] Build completa senza warning: `python build_plugin.py`
- [ ] CHANGELOG.md aggiornato (sezione `[Unreleased]`)
- [ ] README / docs aggiornati se l'API è cambiata
- [ ] Esempi aggiornati se l'API è cambiata
- [ ] Conventional Commits rispettato
- [ ] Nessun file in `dist/` o `__pycache__/` committato
- [ ] Self-review completata
## Note Aggiuntive
<!-- Eventuali considerazioni per i reviewer, screenshot, output di test, ecc. -->
.github/workflows/build.yml
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# Build (GitHub) — pipeline CI primaria
#
# Strategia hosting:
# - Repo primario su Gitea (push iniziale)
# - Push mirror automatico Gitea -> GitHub
# - GitHub esegue TUTTA la CI (Gitea non esegue Actions)
#
# Trigger:
# - push su main (incluso quello propagato dal mirror Gitea)
# - PR aperte su GitHub
# - run manuale via UI
name: Build
on:
push:
branches: [main]
paths-ignore:
- '**.md'
- 'docs/**'
- 'examples/**'
pull_request:
branches: [main]
workflow_dispatch:
jobs:
build:
runs-on: windows-latest
strategy:
fail-fast: false
matrix:
config: [x86-ansi, x86-unicode, x64-unicode]
steps:
- name: Checkout
uses: actions/checkout@v4
with:
submodules: recursive
- name: Setup Python
uses: actions/setup-python@v5
with:
python-version: '3.11'
- name: Setup MSBuild
uses: microsoft/setup-msbuild@v2
- name: Read VERSION
id: version
shell: pwsh
run: |
$v = (Get-Content VERSION -Raw).Trim()
"version=$v" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
- name: Build ${{ matrix.config }}
run: python build_plugin.py --configs ${{ matrix.config }}
- name: Upload DLL
uses: actions/upload-artifact@v4
with:
name: ${{ github.event.repository.name }}-${{ steps.version.outputs.version }}-${{ matrix.config }}
path: dist/**
if-no-files-found: error
retention-days: 30
.github/workflows/release.yml
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# Release (GitHub) — pipeline release primaria
#
# Triggerata quando un tag v* viene propagato dal mirror Gitea.
# Costruisce gli artifact per tutte le architetture e crea la GitHub Release.
name: Release
on:
push:
tags: ['v*']
workflow_dispatch:
inputs:
tag:
description: 'Tag versione (es. v1.7.0)'
required: true
permissions:
contents: write
jobs:
build:
runs-on: windows-latest
strategy:
fail-fast: true
matrix:
config: [x86-ansi, x86-unicode, x64-unicode]
steps:
- uses: actions/checkout@v4
with:
submodules: recursive
- uses: actions/setup-python@v5
with:
python-version: '3.11'
- uses: microsoft/setup-msbuild@v2
- name: Build ${{ matrix.config }}
run: python build_plugin.py --configs ${{ matrix.config }}
- name: Determine version & arch
id: meta
shell: pwsh
run: |
$tag = "${{ github.ref_name }}"
if ([string]::IsNullOrEmpty($tag) -or $tag -eq "main") { $tag = "${{ inputs.tag }}" }
$v = $tag -replace '^v',''
$map = @{ 'x86-ansi' = 'x86-ansi'; 'x86-unicode' = 'x86-unicode'; 'x64-unicode' = 'amd64-unicode' }
$dir = $map['${{ matrix.config }}']
echo "version=$v" >> $env:GITHUB_OUTPUT
echo "tag=$tag" >> $env:GITHUB_OUTPUT
echo "dir=$dir" >> $env:GITHUB_OUTPUT
- name: Package
shell: pwsh
run: |
$name = "${{ github.event.repository.name }}-${{ steps.meta.outputs.version }}-${{ steps.meta.outputs.dir }}"
$stage = "stage/$name"
New-Item -ItemType Directory -Force -Path $stage | Out-Null
Copy-Item "dist/${{ steps.meta.outputs.dir }}/*" $stage -Recurse
Copy-Item README.md, LICENSE, VERSION, CHANGELOG.md $stage
if (Test-Path "include") { Copy-Item "include" $stage -Recurse }
if (Test-Path "examples") { Copy-Item "examples" $stage -Recurse }
Compress-Archive -Path "$stage/*" -DestinationPath "$name.zip" -Force
- uses: actions/upload-artifact@v4
with:
name: pkg-${{ matrix.config }}
path: '*.zip'
publish:
needs: build
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/download-artifact@v4
with:
path: artifacts
merge-multiple: true
- name: SHA256SUMS
run: |
cd artifacts
sha256sum *.zip > SHA256SUMS.txt
cat SHA256SUMS.txt
- name: Create GitHub Release
uses: softprops/action-gh-release@v2
with:
files: |
artifacts/*.zip
artifacts/SHA256SUMS.txt
generate_release_notes: true
body: |
**Repository primario**: vedi link Gitea nel README.
Il mirror GitHub è generato automaticamente dal repo Gitea (sorgente di verità).
Per issue e PR aprire ticket sul repository primario Gitea.
.gitignore
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# Build output (src/ subdirs only — dist/ is tracked, contains pre-built DLLs)
bin/
obj/
Build/
build/
# Visual Studio
*.user
*.suo
*.ncb
*.sdf
.vs/
ipch/
*.VC.db
*.VC.VC.opendb
*.opendb
*.aps
*.tlog
*.idb
*.pdb
*.ilk
*.exp
*.lib
*.obj
# Python
__pycache__/
*.pyc
*.pyo
.pytest_cache/
*.egg-info/
.venv/
venv/
# Editor / IDE
.vscode/
.idea/
*.swp
*.swo
*~
# OS
Thumbs.db
desktop.ini
.DS_Store
# NSIS
*.nsh.bak
# Logs
*.log
.logs/
# Sensitive
.env
.env.local
*.pem
*.key
# Migration/automation scripts (temporary, contain tokens — never commit)
tools/t*.py
tools/check_*.py
tools/legacy/
CHANGELOG.md
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# Changelog
Tutte le modifiche rilevanti a questo progetto sono documentate in questo file.
Il formato segue [Keep a Changelog](https://keepachangelog.com/it/1.0.0/),
e il progetto aderisce al [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
## [1.0.0] — 2026-04-29
### Added
- Prima release come repository indipendente
- Build script unificato (`build_plugin.py`) con CLI canonica
- CI/CD via GitHub Actions (mirror automatico Gitea → GitHub)
- Documentazione completa (README, CONTRIBUTING, SECURITY)
[Unreleased]: https://gitea.emulab.it/Simone/nsis-plugin-nsunz/compare/v1.0.0...HEAD
[1.0.0]: https://gitea.emulab.it/Simone/nsis-plugin-nsunz/releases/tag/v1.0.0
CONTRIBUTING.md
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# Contribuire a nsUnz
Grazie per il tuo interesse a contribuire!
> Repository primario: [https://gitea.emulab.it/Simone/nsis-plugin-nsunz](https://gitea.emulab.it/Simone/nsis-plugin-nsunz)
> Mirror GitHub: [https://github.com/systempal/nsis-plugin-nsunz](https://github.com/systempal/nsis-plugin-nsunz) (read-only — apri PR su Gitea)
## Prerequisiti
| Strumento | Versione | Note |
|-----------|----------|------|
| Visual Studio | 2022 / 2026 | Workload: Desktop development with C++ (toolset v143/v145) |
| Python | 3.7+ | Per `build_plugin.py` |
| Git | 2.30+ | Con supporto submoduli se applicabile |
## Quick Start
```powershell
git clone https://gitea.emulab.it/Simone/nsis-plugin-nsunz.git
cd nsis-plugin-nsunz
python build_plugin.py
```
Output in `dist/{x86-ansi,x86-unicode,amd64-unicode}/`.
## Workflow Sviluppo
### 1. Branch
```powershell
git checkout -b feat/nome-feature # nuova feature
git checkout -b fix/descrizione-bug # bugfix
git checkout -b docs/aggiornamento # solo doc
git checkout -b chore/manutenzione # build, dipendenze
```
### 2. Commit
Segui [Conventional Commits](https://www.conventionalcommits.org/it/v1.0.0/):
```
feat: aggiunge supporto per formato XYZ
fix: corregge crash su Windows 11 ARM
docs: aggiorna esempio di utilizzo
chore: aggiorna toolset MSVC
refactor: estrae logica parsing in funzione separata
test: aggiunge test per edge case
build: aggiorna script di build
ci: aggiorna workflow GitHub Actions
```
Breaking changes:
```
feat!: rinomina API Foo() in Bar()
BREAKING CHANGE: Foo() rinominata in Bar(); aggiornare tutti i chiamanti.
```
### 3. Pull Request
PR aperte verso il branch `main` su Gitea. Verifica:
- [ ] Build completa senza warning per tutte le architetture: `python build_plugin.py`
- [ ] Esempi aggiornati se cambia l'API
- [ ] `CHANGELOG.md` aggiornato (sezione `[Unreleased]`)
- [ ] Documentazione aggiornata (README, docs/API.md se esiste)
- [ ] Conventional Commits rispettato
- [ ] Nessun file in `dist/` o `__pycache__/` committato
## Build Script
```
python build_plugin.py [opzioni]
```
| Opzione | Default | Descrizione |
|---------|---------|-------------|
| `--config` | `all` | Architettura: `x86-ansi`, `x86-unicode`, `x64-unicode`, `all` |
| `--toolset` | `auto` | Visual Studio: `2022`, `2026`, `auto` (rileva il più recente) |
| `--jobs` | numero CPU | Thread paralleli per la build |
| `--clean` | false | Pulisce `dist/` prima di compilare |
| `--install-dir` | none | Copia DLL anche in `<dir>/{arch}/` (es. NSIS plugin folder) |
| `--verbose` | false | Output dettagliato (mostra comandi MSBuild) |
Exit codes:
- `0` — Successo
- `1` — Errore di build
- `2` — Prerequisiti mancanti
- `3` — Argomenti invalidi
## Release Workflow
Le release sono automatiche via tag Git:
```powershell
# 1. Aggiorna VERSION e CHANGELOG.md
echo "1.7.0" > VERSION
# (modifica CHANGELOG.md spostando entry da [Unreleased] a [1.7.0])
# 2. Commit
git add VERSION CHANGELOG.md
git commit -m "chore(release): v1.7.0"
# 3. Tag annotato
git tag -a v1.7.0 -m "Release v1.7.0"
# 4. Push
git push origin main
git push origin v1.7.0
```
Il workflow `.github/workflows/release.yml` compilerà tutte le architetture
e creerà la release su Gitea con gli artifact ZIP allegati. Il mirror GitHub
riceverà automaticamente il tag.
## Code Style
- C/C++: stile coerente con il file modificato
- Python: PEP 8 (4 spazi indent, line length flessibile)
- Header file: `#include` ordinati: stdlib → Win32 → progetto
- Encoding: UTF-8 senza BOM (eccetto `.rc` che richiede UTF-16 LE)
- Line endings: LF in repo (`.gitattributes` normalizza)
## Reporting Bug
Apri una [issue](https://gitea.emulab.it/Simone/nsis-plugin-nsunz/issues/new) usando il template "Bug Report".
Includi:
- Versione plugin e architettura DLL usata
- Versione NSIS
- Sistema operativo
- Script `.nsi` minimale che riproduce il problema
- Output / errore esatto
## Domande
Per domande generali, apri una [issue](https://gitea.emulab.it/Simone/nsis-plugin-nsunz/issues) con label `question`.
LICENSE
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zlib License
Copyright (c) 2026 Simone
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
README.md
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# nsisunz NSIS Plugin
NSIS plugin for ZIP file extraction.
## Versions
| Folder | zlib version | Notes |
|--------|-------------|-------|
| `zlib-1.1.3/` | zlib 1.1.3 (1998) | Original version |
| `zlib-1.3/` | zlib 1.3.1 (2023) | Updated version |
## Build Script
The repo includes a single unified `build_plugin.py` script that replaces the previous per-version scripts.
## Build
```powershell
# Recommended: zlib 1.3 with auto-detected toolset
python build_plugin.py
# Select zlib version (1.1.3 = legacy, 1.3 = default)
python build_plugin.py --zlib-version 1.1.3
# Specific toolset (2022|2026|auto)
python build_plugin.py --toolset 2022
# Print version and exit
python build_plugin.py --version
```
## Output
Compiled DLLs are copied to `plugins/{platform}/nsisunz.dll`:
- `plugins/x86-ansi/nsisunz.dll`
- `plugins/x86-unicode/nsisunz.dll`
- `plugins/amd64-unicode/nsisunz.dll`
## Documentation
- **zlib 1.3**: See [zlib-1.3/README.md](zlib-1.3/README.md) and [zlib-1.3/BUILD_INFO.md](zlib-1.3/BUILD_INFO.md)
- **zlib 1.1.3**: See [zlib-1.1.3/README.md](zlib-1.1.3/README.md)
## Credits
Based on [past-due/nsisunz](https://github.com/past-due/nsisunz)
---
*See [README_IT.md](README_IT.md) for the Italian version.*
README_IT.md
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# nsisunz NSIS Plugin
**Plugin NSIS per estrazione file ZIP**
## Versioni
| Cartella | Versione zlib | Note |
|----------|---------------|------|
| `zlib-1.1.3/` | zlib 1.1.3 (1998) | Versione originale |
| `zlib-1.3/` | zlib 1.3.1 (2023) | Versione aggiornata |
## Script di Build
Il repo include un unico script unificato `build_plugin.py` che sostituisce i precedenti script per-versione.
## Compilazione
```powershell
# Raccomandato: zlib 1.3 con toolset rilevato automaticamente
python build_plugin.py
# Seleziona versione zlib (1.1.3 = legacy, 1.3 = default)
python build_plugin.py --zlib-version 1.1.3
# Toolset specifico (2022|2026|auto)
python build_plugin.py --toolset 2022
# Stampa versione ed esce
python build_plugin.py --version
```
## Output
I DLL compilati vengono copiati in `plugins/{platform}/nsisunz.dll`:
- `plugins/x86-ansi/nsisunz.dll`
- `plugins/x86-unicode/nsisunz.dll`
- `plugins/amd64-unicode/nsisunz.dll`
## Documentazione
- **zlib 1.3**: Vedi [zlib-1.3/README.md](zlib-1.3/README.md) e [zlib-1.3/BUILD_INFO.md](zlib-1.3/BUILD_INFO.md)
- **zlib 1.1.3**: Vedi [zlib-1.1.3/README.md](zlib-1.1.3/README.md)
## Crediti
Basato su [past-due/nsisunz](https://github.com/past-due/nsisunz)
SECURITY.md
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# Security Policy
## Versioni Supportate
Solo l'ultima versione minor riceve fix di security.
| Versione | Supporto |
|----------|----------|
| Latest minor (es. 1.0.0) | ✅ |
| Versioni precedenti | ❌ |
## Reporting di una Vulnerabilità
**Non aprire issue pubbliche per vulnerabilità di security.**
Per segnalare una vulnerabilità:
1. **Preferito**: usa la funzione [Security Advisory privato](https://gitea.emulab.it/Simone/nsis-plugin-nsunz/security/advisories/new) di Gitea
2. **Alternativa**: invia email a `security@example.com` (sostituire con email reale prima del primo release)
Includi:
- Descrizione della vulnerabilità
- Passi per riprodurla
- Versione/i affette
- Possibile mitigazione (se nota)
## Tempo di Risposta
- Acknowledgment iniziale: entro 7 giorni
- Valutazione: entro 14 giorni
- Patch (se confermata): tempistiche dipendono dalla severità
## Hardening
Questo plugin gira con i permessi del processo NSIS chiamante (tipicamente
l'utente che esegue l'installer). Non richiede privilegi elevati per la
compilazione né per l'esecuzione, salvo dove esplicitamente documentato.
DLL distribuite tramite Releases sono compilate da CI GitHub Actions con
toolchain pinnata. Verificare hash SHA256 pubblicati nelle release.
VERSION
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1.0.0
build_plugin.py
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#!/usr/bin/env python3
"""Build script for nsisunz NSIS plugin.
Wraps per-version/per-toolset build scripts.
Defaults: zlib 1.3, VS2026 (v145 toolset)
"""
from __future__ import annotations
import argparse, subprocess, sys
from pathlib import Path
class Colors:
CYAN = "\033[36m"; GREEN = "\033[32m"; YELLOW = "\033[33m"
RED = "\033[31m"; GRAY = "\033[90m"; RESET = "\033[0m"
BOLD = "\033[1m"; BRIGHT_CYAN = "\033[96m"
ROOT = Path(__file__).resolve().parent
SCRIPTS = {
"1.1.3": {"2022": "tools/legacy/build_plugin_zlib113_vs2022.py",
"2026": "tools/legacy/build_plugin_zlib113_vs2026.py"},
"1.3": {"2022": "tools/legacy/build_plugin_zlib13_vs2022.py",
"2026": "tools/legacy/build_plugin_zlib13_vs2026.py"},
}
def main() -> int:
parser = argparse.ArgumentParser(description="Build nsisunz NSIS plugin")
parser.add_argument("--zlib-version", choices=["1.1.3", "1.3"], default="1.3",
help="zlib version to use (default: 1.3)")
parser.add_argument("--toolset", choices=["2022", "2026", "auto"], default="auto",
help="Visual Studio toolset version (default: auto)")
parser.add_argument("--version", action="store_true",
help="Print plugin version and exit")
known, rest = parser.parse_known_args()
if known.version:
print((ROOT / "VERSION").read_text(encoding="utf-8-sig").strip())
return 0
ver = (ROOT / "VERSION").read_text(encoding="utf-8-sig").strip()
print(f"{Colors.BOLD}{Colors.BRIGHT_CYAN}=== Building nsUnz v{ver} "
f"(zlib {known.zlib_version}) ==={Colors.RESET}")
toolset = known.toolset
if toolset == "auto":
toolset = "2026"
script = ROOT / SCRIPTS[known.zlib_version][toolset]
return subprocess.run([sys.executable, str(script)] + rest).returncode
if __name__ == "__main__":
sys.exit(main())
dist/amd64-unicode/nsisunz.dll
Vendored
BIN
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dist/x86-ansi/nsisunz.dll
Vendored
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dist/x86-unicode/nsisunz.dll
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versions/zlib-1.1.3/Doc/info.rtf
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versions/zlib-1.1.3/Doc/nsisunz_readme.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>nsisunz</title>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii" />
<style type="text/css">
/*<![CDATA[*/
body
{
padding: 10px;
background-color: #F0F0F0;
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 13px;
font-weight: normal;
}
p
{
font-size: 100%;
margin: 20px;
}
.center
{
text-align: center;
}
table
{
margin: auto;
text-align: left;
background-color: #FFFFFF;
}
.maintable
{
border: 2px solid #376EAB;
}
.parameter
{
font-weight: bold;
color: #6586AC;
}
h1
{
font-size: 220%;
color: #333333;
font-weight: normal;
text-align: center;
margin: 20px;
filter: glow(color="silver", strength="6");
height: 12px;
}
h2
{
font-size: 165%;
color: #7A7272;
font-weight: normal;
}
h3
{
font-size: 140%;
font-weight: bold;
color: #303030;
margin: 20px;
}
pre {
font-size: 100%;
margin: 20px;
}
div
{
margin: 20px;
}
a:link, a:visited, a:active
{
color: #294F75;
text-decoration: none;
}
a:hover
{
color: #182634;
text-decoration: underline;
}
.subtable
{
border: 0px;
margin-left: 20px;
margin-right: 20px;
}
.lefttable
{
background-color: #CCCCCC;
vertical-align: top;
}
.righttable
{
background-color: #EEEEEE;
vertical-align: top;
}
.preproc {color: green;}
.comment {color: gray;}
.keyword {color: blue;}
.string {color: teal;}
.param {color: orange;}
/*]]>*/
</style>
</head>
<body>
<div class="center">
<table width="750" class="maintable" cellspacing="0" cellpadding="0">
<tr>
<td>
<h1>nsisunz</h1>
<div>
<h2>Introduction</h2>
<p><b>nsisunz</b> is a NSIS plugin which allows you to extract files from ZIP
archives.</p>
<p><b>nsisunz</b> is great when you use another NSIS plug-in named
<em>NSISdl</em> to download a ZIP file from the internet.
Download a small installer which lets the user choose the components he/she
want to install and the installer downloads it (<em>QuickTime Setup</em> does
this).</p>
<p>Note:
<em>nsisunz</em> does not support password protected ZIP archives
(encrypted).<br/>
To extract only a specific file from the archive use the
<a href="#fileopt">"/file"</a> option.
</p>
<h2>How to use</h2>
<h3>Setting it up</h3>
<p>To see a great example of how to use the plug-in,
check out the included <a href="example.nsi">example script</a>.</p>
<p>You use the <em>Unzip</em>, <em>UnzipToLog</em> or the
<em><a href="#UnzipToStack">UnzipToStack</a></em> function to extract files
from a ZIP archive.</p>
<p>In my opinion the best way to describe things is by showing an example,
so here is one:</p>
<pre>
<font class="keyword">InitPluginsDir</font>
<font class="comment">; Call plug-in. Push filename to ZIP first, and the dest. folder last.</font>
nsisunz::UnzipToLog <font class="string">"$PLUGINSDIR\myzipfile.zip" "$INSTDIR"</font>
<font class="comment">; Always check result on stack</font>
<font class="keyword">Pop</font> $0
<font class="keyword">StrCmp</font> $0 <font class="string">"success"</font> ok
<font class="keyword">DetailPrint</font> <font class="string">"$0"</font> <font class="comment">;print error message to log</font>
ok:
<font class="comment">; You can also use the "Unzip" function if you don't want to use the log.
; It is a lot quicker, and is preferred for large ZIP archives.</font>
nsisunz::Unzip <font class="string">"$PLUGINSDIR\myzipfile.zip" "$INSTDIR"</font>
</pre>
<a name="UnzipToStack"><h3>The UnzipToStack function</h3></a>
<p>The <em>UnzipToStack</em> function can be used instead of the <em>UnzipToLog</em> function
if you want the extraction to be a lot faster when extracting from very large ZIP archives and still
want to see the files extracted. This is how you use it:
</p>
<pre>
nsisunz::UnzipToStack <font class="string">"$PLUGINSDIR\myzipfile.zip" "$INSTDIR"</font>
<font class="keyword">Pop</font> $0
<font class="keyword">StrCmp</font> $0 <font class="string">"success"</font> ok
<font class="keyword">DetailPrint</font> <font class="keyword">"$0"</font> <font class="comment">;print error message to log</font>
<font class="keyword">Goto</font> skiplist
ok:
<font class="comment">; Print out list of files extracted to log</font>
next:
<font class="keyword">Pop</font> $0
<font class="keyword">DetailPrint</font> $0
<font class="keyword">StrCmp</font> $0 "" 0 next <font class="comment">; pop strings until a blank one arrives</font>
skiplist:
</pre>
<a name="fileopt"><h3>Extracting specific files</h3></a>
<p>
To extract only a specific file use the "/file" option like this:
</p>
<pre>
nsisunz::UnzipToLog /file <font class="string">"AnyPathInsideZIP/AFile.txt" "myzip.zip" "c:\myfiles"</font>
</pre>
<p>
The path is relative to the root of the ZIP archive so you don't have to
prepend a slash ("/"). Furthermore the foldernames are extracted with the file so
the example above creates a file named "c:\myfiles\AnyPathInsideZIP\AFile.txt".
To avoid this use "/noextractpath" like this:
</p>
<pre>
nsisunz::UnzipToLog /noextractpath /file \
<font class="string">"AnyPathInsideZIP/AFile.txt" "myzip.zip" "c:\myfiles"</font>
</pre>
<h3>Using nsisunz with NSISdl</h3>
<p>To use <em>NSISdl</em> with <em>nsisunz</em> to download and extract a ZIP archive,
do something like this:</p>
<pre>
<font class="keyword">InitPluginsDir</font>
NSISdl::download <font class="string">http://www.domain.com/file "$PLUGINSDIR\localfile.zip"</font>
<font class="keyword">Pop</font> $R0 ;Get the return value
<font class="keyword">StrCmp</font> $R0 <font class="string">"success"</font> +3
<font class="keyword">MessageBox</font> <font class="param">MB_OK</font> <font class="string">"Download failed: $R0"</font>
<font class="keyword">Quit</font>
nsisunz::UnzipToLog <font class="string">"$PLUGINSDIR\localfile.zip" "$INSTDIR"</font>
<font class="keyword">Pop</font> $R0
<font class="keyword">StrCmp</font> $R0 <font class="string">"success"</font> +2
<font class="keyword">DetailPrint</font> <font class="string">"$R0"</font> <font class="comment">;print error message to log</font>
</pre>
<h3>Options</h3>
<p>These are the optional parameters you can specify when calling <em>nsisunz</em>.</p>
<table class="subtable">
<tr>
<td class="lefttable">/noextractpath</td>
<td class="righttable">This option makes the plug-in extract all files to
the destination directory without regard to paths stored in ZIP file.
Is often used in conjunction with "/file" to extract a single file
from anywhere in an archive to a destination directory.</td>
</tr>
<tr>
<td class="lefttable">/file</td>
<td class="righttable">Extract a specific file. Filename must be specified
as next parameter and must match a file in the ZIP including any
subdirectories. If the file couldn't be found in the ZIP file,
<em>nsisunz</em> pushes the string "File not found in ZIP file" on the
stack.</td>
</tr>
<tr>
<td class="lefttable">/text</td>
<td class="righttable">Sets the format of the text used in the log to the
next param. <em>"%f"</em> is replaced with the filename, <em>"%c"</em> is
replaced with the compressed size and <em>"%u"</em> is replaced with the
uncompressed size.
</td>
</tr>
</table>
<h3>Return value</h3>
<p>After you have called the DLL, <b>nsisunz</b> adds either "success" or a specific error message
on the stack. This is the possible error messages:</p>
<ul>
<li>Error opening ZIP file</li>
<li>Error opening output file(s)</li>
<li>Error writing output file(s)</li>
<li>Error extracting from ZIP file</li>
<li>File not found in ZIP file</li>
</ul>
<p>Usually, you don't need to check this value, but you still have to remove it from the stack
(have a look at the example above).</p>
<h2>Reserve files</h2>
<p>If you are using BZIP2 (solid) compression, it's important that files which are being extracted
in init- or page functions function are located before other files in the data block, because this
will make your installer faster.</p>
<p>If there are File commands in your sections or functions above the init- or page functions, add
ReserveFile commands above your sections and functions:</p>
<pre>
<font class="keyword">ReserveFile</font> <font class="string">"myzipfile.zip"</font>
<font class="keyword">ReserveFile</font> <font class="string">"${NSISDIR}\Plugins\nsisunz.dll"</font>
</pre>
<h2>Localization</h2>
<p>Use the <em>"/text"</em> parameter to localize the text used by nsisunz
for the log output.
</p>
<pre>
<font class="comment">; Localized strings for use with nsisunz</font>
<font class="comment">; The "%f" in the string is replaced with the filename on run-time.</font>
<font class="comment">; "%c" and "%u" is replaced with compressed size and</font>
<font class="comment">; uncompressed size respectively. See example script.</font>
<font class="keyword">LoadLanguageFile</font> <font class="string">"${NSISDIR}\Contrib\Language files\english.nlf"</font>
<font class="keyword">LoadLanguageFile</font> <font class="string">"${NSISDIR}\Contrib\Language files\norwegian.nlf"</font>
<font class="keyword">LangString</font> nsisunz_text ${LANG_ENGLISH} <font class="string">"Extract: %f"</font>
<font class="keyword">LangString</font> nsisunz_text ${LANG_NORWEGIAN} <font class="string">"Pakk ut: %f"</font>
<font class="keyword">Function</font> .onInit
nsisunz:: /text <font class="string">"" "$(nsisunz_text)"</font>
<font class="keyword">FunctionEnd</font>
</pre>
<h2>Notes</h2>
<p>
The plug-in is compressed with UPX to make it smaller.<br />
If you make changes to the source, re-compile and use UPX you may get this
message:<br />
<code>upx: nsisunz.dll: CantPackException: file is possibly packed/protected
(try --force)</code><br />
I used the "<code>--force</code>" parameter as proposed,
and without problems UPX reduced the size of <em>nsisunz.dll</em> from ~71 kb
to 31,5 kb<br/>
The reason for why you get this message is that the source #include's
"AggressiveOptimize.h" which makes the linker merge the code sections of the
final executable. This makes UPX think it's already packed (which it kinda is).
But by using the "<code>--force</code>" parameter, UPX may shrink it a lot
more.<br/>
I hope people appreciate my struggles to keep the size of the plug-in small.
If someone have any suggestions for making it even smaller I would like if
someone sendt me an e-mail.
</p>
<h2>Contact</h2>
<p><em>nsisunz</em> is written by Saivert.<br />
Homepage: <a href="http://saivert.inthegray.com/">
http://saivert.inthegray.com/</a><br />
E-mail: <a href="mailto:saivert@gmail.com?subject=nsisunz&
body=Regarding%20nsisunz:%0D%0A%0D%0A">saivert@gmail.com</a>
</p>
<h2>Version history</h2>
<ul>
<li>DLL version 1.0 (12/4/2004)
<ul>
<li>First public release!</li>
</ul>
</li>
</ul>
<h2>Credits</h2>
<p>
Based on code in NSIS Zip2Exe<br/>
portions Copyright &copy; 1999-2001 Miguel Garrido (mgarrido01@hotmail.com)<br/>
Uses ZLIB - Copyright &copy; Mark Adler<br/>
ZIP format routines - Copyright &copy; 1998 Gilles Vollant<br/>
Thanks to Tim Kosse for the LogMessage function, even though I
could figure this out myself.<br/>
And thanks to Joost Verburg for the readme HTML page design.</p>
<h2>License</h2>
<pre>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented;
you must not claim that you wrote the original software.
If you use this software in a product, an acknowledgment in the
product documentation would be appreciated but is not required.
2. Altered versions must be plainly marked as such,
and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any distribution.
</pre></div>
</td>
</tr>
</table>
</div>
</body>
</html>
versions/zlib-1.1.3/ExDLL/exdll.h
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#ifndef _EXDLL_H_
#define _EXDLL_H_
#include <windows.h>
#include <tchar.h>
#if defined(__GNUC__)
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
// only include this file from one place in your DLL.
// (it is all static, if you use it in two places it will fail)
typedef struct _stack_t
{
struct _stack_t *next;
TCHAR text[1]; // this should be the length of string_size
} stack_t;
// Global variables (must be declared where you include this header)
static unsigned int g_stringsize;
static stack_t **g_stacktop;
static TCHAR *g_variables;
#define EXDLL_INIT() \
{ \
g_stringsize = string_size; \
g_stacktop = stacktop; \
g_variables = variables; \
}
enum
{
INST_0, // $0
INST_1, // $1
INST_2, // $2
INST_3, // $3
INST_4, // $4
INST_5, // $5
INST_6, // $6
INST_7, // $7
INST_8, // $8
INST_9, // $9
INST_R0, // $R0
INST_R1, // $R1
INST_R2, // $R2
INST_R3, // $R3
INST_R4, // $R4
INST_R5, // $R5
INST_R6, // $R6
INST_R7, // $R7
INST_R8, // $R8
INST_R9, // $R9
INST_CMDLINE, // $CMDLINE
INST_INSTDIR, // $INSTDIR
INST_OUTDIR, // $OUTDIR
INST_EXEDIR, // $EXEDIR
INST_LANG, // $LANGUAGE
__INST_LAST
};
// utility functions (not required but often useful)
static int UNUSED popstring(TCHAR *str)
{
stack_t *th;
if (!g_stacktop || !*g_stacktop)
return 1;
th = (*g_stacktop);
lstrcpyn(str, th->text, (int)g_stringsize);
*g_stacktop = th->next;
GlobalFree((HGLOBAL)th);
return 0;
}
static void UNUSED pushstring(const TCHAR *str)
{
stack_t *th;
if (!g_stacktop)
return;
th = (stack_t *)GlobalAlloc(GPTR, (sizeof(stack_t) + (g_stringsize) * sizeof(TCHAR)));
lstrcpyn(th->text, str, (int)g_stringsize);
th->next = *g_stacktop;
*g_stacktop = th;
}
static TCHAR *UNUSED getuservariable(const int varnum)
{
if (varnum < 0 || varnum >= __INST_LAST)
return NULL;
return g_variables + varnum * g_stringsize;
}
static void UNUSED setuservariable(const int varnum, const TCHAR *var)
{
if (var != NULL && varnum >= 0 && varnum < __INST_LAST)
lstrcpy(g_variables + varnum * g_stringsize, var);
}
#endif //_EXDLL_H_
versions/zlib-1.1.3/Example/example.nsi
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; Example script for nsisunz
; Written by Saivert
; Homepage: http://members.tripod.com/files_saivert/
;
; Dependencies:
; - nsisunz.dll Plug-in
; - InstallOptions.dll Plug-in
; - zippage.ini (InstallOptions INI file)
!addplugindir ".\Release"
OutFile "nsisunz_test.exe"
Name "NSIS Unzip plug-in test"
Caption "NSIS Unzip plug-in test"
ShowInstDetails show
XPStyle on
CompletedText "Extracted!"
SubCaption 3 " - Extracting files"
SubCaption 4 " - Extracted"
LoadLanguageFile "${NSISDIR}\Contrib\Language files\english.nlf"
; Installer pages
Page custom onZipPageShow onZipPageLeave " - Select Zip file"
Page instfiles
; Localized strings for use with nsisunz
; The '%f' in the string is replaced with the filename on run-time.
; "%c", "%u", "%p" and "%p" is replaced with compressed size,
; uncompressed size, percent complete (with "%") and byte complete
; respectively.
LangString nsisunz_text ${LANG_ENGLISH} "Extract: %f (%c -> %b) [%p]"
Function .onInit
InitPluginsDir
File "/oname=$PLUGINSDIR\zippage.ini" "zippage.ini"
FunctionEnd
Function onZipPageShow
; Turn Text control into a button (HM NIS Edit v2.0b5 does not support "Button" type).
WriteINIStr "$PLUGINSDIR\zippage.ini" "Field 12" "Type" "Button"
WriteINIStr "$PLUGINSDIR\zippage.ini" "Field 12" "Flags" "NOTIFY"
InstallOptions::dialog "$PLUGINSDIR\zippage.ini"
FunctionEnd
Function onZipPageLeave
; $R0 = zip filename $R1 = dest. folder
ReadINIStr $R0 "$PLUGINSDIR\zippage.ini" "Field 4" "State"
ReadINIStr $R1 "$PLUGINSDIR\zippage.ini" "Field 6" "State"
; Remove trailing backslash if any
StrCpy $0 $R1 1 -1
StrCmp "$0" "\" 0 notneeded
StrCpy $R1 $R1 -1
notneeded:
IfFileExists $R0 checkdir
MessageBox MB_ICONEXCLAMATION|MB_OK 'The file "$R0" does not exist!'
Abort ;return to page
checkdir:
IfFileExists $R1\*.* unzip
MessageBox MB_ICONEXCLAMATION|MB_YESNO 'The folder "$R1" does not exist!$\r$\nDo you wish to create it?' IDNO skipcreate
CreateDirectory $R1
Goto unzip
skipcreate:
Abort ;return to page
unzip:
; Just fall of the end, so the sections can be executed
FunctionEnd
Section -pre
DetailPrint "ZIP file: $R0"
DetailPrint "Dest. folder: $R1"
SectionEnd
Section
; Check if the checkbox is checked and if it is, then don't extract paths
ReadINIStr $R2 "$PLUGINSDIR\zippage.ini" "Field 7" "State"
StrCmp $R2 "1" 0 usepaths
nsisunz::UnzipToLog /text "$(nsisunz_text)" /noextractpath $R0 $R1
Goto check
usepaths:
nsisunz::UnzipToLog /text "$(nsisunz_text)" $R0 $R1
check:
; Always check for errors. Everything else than "success" means an error.
Pop $0
StrCmp $0 "success" ok
Abort "$0"
ok:
SectionEnd
versions/zlib-1.1.3/Example/example_mui.nsi
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; Example script for nsisunz
; Written by Saivert
; Homepage: http://members.tripod.com/files_saivert/
;
; Dependencies:
; - nsisunz.dll Plug-in
; - InstallOptions.dll Plug-in
; - zippage.ini (InstallOptions INI file)
!addplugindir ".\Release"
!include "MUI.nsh"
OutFile "nsisunz_testmui.exe"
Name "NSIS Unzip plug-in test"
Caption "NSIS Unzip plug-in test"
ShowInstDetails show
CompletedText "Extracted!"
; Installer pages
Page custom onZipPageShow onZipPageLeave " "
!define MUI_PAGE_HEADER_TEXT "Extracting"
!define MUI_PAGE_HEADER_SUBTEXT "Extracting files"
!define MUI_INSTFILESPAGE_FINISHHEADER_TEXT "Extracted"
!define MUI_INSTFILESPAGE_FINISHHEADER_SUBTEXT "Thes files has been extracted"
!define MUI_INSTFILESPAGE_ABORTHEADER_TEXT "Extraction aborted"
!define MUI_INSTFILESPAGE_ABORTHEADER_SUBTEXT "The extraction process was aborted"
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_LANGUAGE "English"
; Localized strings for use with nsisunz
; The '%f' in the string is replaced with the filename on run-time.
; "%c" and "%u" is replaced with compressed size and uncompressed size
; respectively.
LangString nsisunz_text ${LANG_ENGLISH} "Extract: %f (%c -> %u)"
Function .onInit
InitPluginsDir
!insertmacro MUI_INSTALLOPTIONS_EXTRACT "zippage.ini"
FunctionEnd
Function onZipPageShow
!insertmacro MUI_HEADER_TEXT "Unzip" "Select ZIP file and destination folder"
; Remove icon (so we get away with one INI file for both scripts)
!insertmacro MUI_INSTALLOPTIONS_WRITE "zippage.ini" "Field 1" "Type" ""
!insertmacro MUI_INSTALLOPTIONS_WRITE "zippage.ini" "Field 2" "Left" "0"
!insertmacro MUI_INSTALLOPTIONS_DISPLAY "zippage.ini"
FunctionEnd
Function onZipPageLeave
; $R0 = zip filename $R1 = dest. folder
!insertmacro MUI_INSTALLOPTIONS_READ $R0 "zippage.ini" "Field 4" "State"
!insertmacro MUI_INSTALLOPTIONS_READ $R1 "zippage.ini" "Field 6" "State"
; Remove trailing backslash if any
StrCpy $0 $R1 1 -1
StrCmp "$0" "\" 0 notneeded
StrCpy $R1 $R1 -1
notneeded:
IfFileExists $R0 checkdir
MessageBox MB_ICONEXCLAMATION|MB_OK 'The file "$R0" does not exist!'
Abort ;return to page
checkdir:
IfFileExists $R1\*.* unzip
MessageBox MB_ICONEXCLAMATION|MB_YESNO 'The folder "$R1" does not exist!$\r$\nDo you wish to create it?' IDNO skipcreate
CreateDirectory $R1
Goto unzip
skipcreate:
Abort ;return to page
unzip:
; Just fall of the end, so the sections can be executed
FunctionEnd
Section -pre
DetailPrint "ZIP file: $R0"
DetailPrint "Dest. folder: $R1"
SectionEnd
Section
; Check if the checkbox is checked and if it is, then don't extract paths
ReadINIStr $R2 "$PLUGINSDIR\zippage.ini" "Field 7" "State"
StrCmp $R2 "1" 0 usepaths
nsisunz::UnzipToLog /text "$(nsisunz_text)" /noextractpath $R0 $R1
Goto check
usepaths:
nsisunz::UnzipToLog /text "$(nsisunz_text)" $R0 $R1
check:
; Always check for errors. Everything else than "success" means an error.
Pop $0
StrCmp $0 "success" ok
Abort "$0"
ok:
SectionEnd
versions/zlib-1.1.3/Example/zippage.ini
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versions/zlib-1.1.3/README.md
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# nsisunz NSIS Plugin
**Versione personale modificata**
Basato su [past-due/nsisunz](https://github.com/past-due/nsisunz) - un plugin NSIS per estrarre file da archivi ZIP.
---
## Descrizione Originale
**nsisunz** è un plugin [NSIS](https://en.wikipedia.org/wiki/Nullsoft_Scriptable_Install_System) che permette di estrarre file da archivi ZIP.
> **nsisunz** è ideale quando si usa un altro plugin NSIS chiamato _NSISdl_ per scaricare un file ZIP da internet. Si può creare un piccolo installer che permette all'utente di scegliere i componenti da installare e l'installer li scarica.
### Origini e Storia
- _nsisunz_ è stato originariamente scritto da Saivert (http://saivert.com/)
- Supporto NSIS Unicode [aggiunto da Gringoloco023](http://portableapps.com/node/21879), Febbraio 2010
- Ulteriori miglioramenti di past-due, 2018+:
- Aggiornamento NSIS plugin API a 3.0
- Aggiornamento [zlib](https://zlib.net) a [1.2.11](https://zlib.net/ChangeLog.txt)
- Aggiornamento Minizip a 1.1-8
- Supporto build [CMake](https://cmake.org) (compila sia DLL ANSI che Unicode)
## Funzioni
### UnzipToLog
Estrae i file e mostra il log dettagliato:
```nsis
InitPluginsDir
; Chiama il plugin. Prima il file ZIP, poi la cartella di destinazione.
nsisunz::UnzipToLog "$PLUGINSDIR\myzipfile.zip" "$INSTDIR"
; Controlla sempre il risultato sullo stack
Pop $0
StrCmp $0 "success" ok
DetailPrint "$0" ; stampa messaggio di errore nel log
ok:
```
### Unzip
Estrazione veloce senza log (preferita per archivi grandi):
```nsis
nsisunz::Unzip "$PLUGINSDIR\myzipfile.zip" "$INSTDIR"
```
## Credits
- Basato sul codice di NSIS Zip2Exe - porzioni Copyright © 1999-2001 Miguel Garrido (mgarrido01@hotmail.com)
- [ZLIB](https://zlib.net) - Copyright © Mark Adler
- MiniZip - Copyright © 1998-2010 - di Gilles Vollant - versione 1.1 64 bits di Mathias Svensson
## Licenza
Le condizioni di uso e distribuzione sono le stesse di [zlib](https://en.wikipedia.org/wiki/Zlib_License).
---
## ⚠️ Differenze nella versione personale
Questa versione è basata su [past-due/nsisunz](https://github.com/past-due/nsisunz) con le seguenti modifiche:
### Nuova architettura supportata: x64 (amd64-unicode)
L'originale supporta:
- x86-ansi
- x86-unicode
La versione personale aggiunge il supporto per:
- **amd64-unicode** (x64)
### Progetto Visual Studio
L'originale usa CMake per la compilazione. La versione personale include progetti Visual Studio:
- `Source/nsisunz.vcproj` - Progetto VS2008 (legacy)
- `Source/nsisunz.vcxproj` - Progetto VS2022 (x86-ansi, x86-unicode, amd64-unicode)
### File modificati/semplificati
La versione personale usa una versione più vecchia e semplificata di zlib:
- `Source/zlib/` - Libreria zlib semplificata (solo file essenziali per decompressione)
Rispetto all'originale GitHub che include:
- CMakeLists.txt e configurazione CMake completa
- zlib 1.2.11 completa con tutti i contributi (285 file)
- Minizip completo
- Configurazione CI/CD (.github, appveyor)
### File aggiunti
- `build_plugin.py` - Script Python per compilare il plugin per tutte le architetture
- `Doc/` - Documentazione (info.rtf, nsisunz_readme.html)
- `ExDLL/exdll.h` - Header per l'API NSIS extern DLL
### Compilazione
```cmd
cd nsUnz
python build_plugin.py
```
I DLL vengono copiati in `plugins/{platform}/nsisunz.dll`.
versions/zlib-1.1.3/Source/AggressiveOptimize.h
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//////////////////////////////
// Version 1.30
// Nov 24th, 2000
// Version 1.20
// Jun 9th, 2000
// Version 1.10
// Jan 23rd, 2000
// Version 1.00
// May 20th, 1999
// Todd C. Wilson, Fresh Ground Software
// (todd@nopcode.com)
// This header file will kick in settings for Visual C++ 5 and 6 that will (usually)
// result in smaller exe's.
// The "trick" is to tell the compiler to not pad out the function calls; this is done
// by not using the /O1 or /O2 option - if you do, you implicitly use /Gy, which pads
// out each and every function call. In one single 500k dll, I managed to cut out 120k
// by this alone!
// The other two "tricks" are telling the Linker to merge all data-type segments together
// in the exe file. The relocation, read-only (constants) data, and code section (.text)
// sections can almost always be merged. Each section merged can save 4k in exe space,
// since each section is padded out to 4k chunks. This is very noticeable with smaller
// exes, since you could have only 700 bytes of data, 300 bytes of code, 94 bytes of
// strings - padded out, this could be 12k of runtime, for 1094 bytes of stuff! For larger
// programs, this is less overall, but can save at least 4k.
// Note that if you're using MFC static or some other 3rd party libs, you may get poor
// results with merging the readonly (.rdata) section - the exe may grow larger.
// To use this feature, define _MERGE_DATA_ in your project or before this header is used.
// With Visual C++ 5, the program uses a file alignment of 512 bytes, which results
// in a small exe. Under VC6, the program instead uses 4k, which is the same as the
// section size. The reason (from what I understand) is that 4k is the chunk size of
// the virtual memory manager, and that WinAlign (an end-user tuning tool for Win98)
// will re-align the programs on this boundary. The problem with this is that all of
// Microsoft's system exes and dlls are *NOT* tuned like this, and using 4k causes serious
// exe bloat. Very noticeable for smaller programs.
// The "trick" for this is to use the undocumented FILEALIGN linker parm to change the
// padding from 4k to 1/2k, which results in a much smaller exe - anywhere from 20%-75%
// depending on the size. Note that this is the same as using /OPT:NOWIN98, which *is*
// a previously documented switch, but was left out of the docs for some reason in VC6 and
// all of the current MSDN's - see KB:Q235956 for more information.
// Microsoft does say that using the 4k alignment will "speed up process loading",
// but I've been unable to notice a difference, even on my P180, with a very large (4meg) exe.
// Please note, however, that this will probably not change the size of the COMPRESSED
// file (either in a .zip file or in an install archive), since this 4k is all zeroes and
// gets compressed away.
// Also, the /ALIGN:4096 switch will "magically" do the same thing, even though this is the
// default setting for this switch. Apparently this sets the same values as the above two
// switches do. We do not use this in this header, since it smacks of a bug and not a feature.
// Thanks to Michael Geary <Mike@Geary.com> for some additional tips!
#ifdef NDEBUG
// /Og (global optimizations), /Os (favor small code), /Oy (no frame pointers)
#pragma optimize("gsy",on)
#pragma comment(linker,"/RELEASE")
// Note that merging the .rdata section will result in LARGER exe's if you using
// MFC (esp. static link). If this is desirable, define _MERGE_RDATA_ in your project.
#ifdef _MERGE_RDATA_
#pragma comment(linker,"/merge:.rdata=.data")
#endif // _MERGE_RDATA_
#pragma comment(linker,"/merge:.text=.data")
#pragma comment(linker,"/merge:.reloc=.data")
// Merging sections with different attributes causes a linker warning, so
// turn off the warning. From Michael Geary. Undocumented, as usual!
#pragma comment(linker,"/ignore:4078")
// With Visual C++ 5, you already get the 512-byte alignment, so you will only need
// it for VC6, and maybe later.
#if _MSC_VER >= 1000
// Option #1: use /filealign
// Totally undocumented! And if you set it lower than 512 bytes, the program crashes.
// Either leave at 0x200 or 0x1000
//#pragma comment(linker,"/FILEALIGN:0x200")
// Option #2: use /opt:nowin98
// See KB:Q235956 or the READMEVC.htm in your VC directory for info on this one.
// This is our currently preferred option, since it is fully documented and unlikely
// to break in service packs and updates.
#pragma comment(linker,"/opt:nowin98")
// Option #3: use /align:4096
// A side effect of using the default align value is that it turns on the above switch.
// May break in future versions!
//#pragma comment(linker,"/ALIGN:4096")
#endif // _MSC_VER >= 1000
#endif // NDEBUG
versions/zlib-1.1.3/Source/nsisunz.cpp
+593
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@@ -0,0 +1,593 @@
// Unicode NSIS support by Gringoloco023, http://portableapps.com/node/21879, Februari 6 2010
/*
UnZip Plug-in for NSIS
Written by Saivert
Credits:
- Based on code in NSIS Zip2Exe
portions Copyright © 1999-2001 Miguel Garrido (mgarrido01@hotmail.com)
- Uses ZLIB - Copyright © Mark Adler
- ZIP format routines - Copyright (C) 1998 Gilles Vollant
Even though this project is an NSIS Plug-in, it also
exports a function that can be used by any applications.
The exported function is "appextract"
*/
//#include "AggressiveOptimize.h"
#include <windows.h>
#include <stdio.h>
#include <commctrl.h>
#include "..\ExDLL\exdll.h"
//#include "exdll.h"
extern "C" {
#include "zlib/unzip.h"
};
//Strings used all over the place
TCHAR szSuccess[] = {_T('s'),_T('u'),_T('c'),_T('c'),_T('e'),_T('s'),_T('s'),_T('\0')};
TCHAR szFile[] = {_T('/'),_T('f'),_T('i'),_T('l'),_T('e'),_T('\0')};
TCHAR szNoextractpath[] = {_T('/'),_T('n'),_T('o'),_T('e'),_T('x'),_T('t'),_T('r'),_T('a'),_T('c'),_T('t'),_T('p'),_T('a'),_T('t'),_T('h'),_T('\0')};
TCHAR szDefExtractText[] = {_T('E'),_T('x'),_T('t'),_T('r'),_T('a'),_T('c'),_T('t'),_T(':'),_T(' '),_T('%'),_T('f'),_T('\0')};
TCHAR g_extract_text[1024];
int g_extracting;
HWND g_hwndParent;
TCHAR tempzip_path[1024];
void internal_unzip(int);
CRITICAL_SECTION cs;
//Log stuff
HWND g_hwndList;
HWND g_hwndStatus;
void LogMessage(HWND, const TCHAR *, int = 0);
#ifdef UNICODE
char * _T2A(wchar_t *str);
wchar_t * _A2T(char *str);
#define _tfopen_s _wfopen_s
#else
#define _T2A(x) (x)
#define _A2T(x) (x)
#define _tfopen_s fopen_s
#endif
extern "C" BOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
//case DLL_THREAD_ATTACH:
case DLL_PROCESS_ATTACH:
InitializeCriticalSection(&cs);
break;
//case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
DeleteCriticalSection(&cs);
break;
}
return TRUE;
}
void doMKDir(TCHAR *directory)
{
TCHAR *p, *p2;
TCHAR buf[MAX_PATH];
if (!*directory) return;
lstrcpy(buf,directory);
p=buf; while (*p) p++;
while (p >= buf && *p != _T('\\')) p--;
p2 = buf;
if (p2[1] == _T(':')) p2+=4;
else if (p2[0] == _T('\\') && p2[1] == _T('\\'))
{
p2+=2;
while (*p2 && *p2 != _T('\\')) p2++;
if (*p2) p2++;
while (*p2 && *p2 != _T('\\')) p2++;
if (*p2) p2++;
}
if (p >= p2)
{
*p=0;
doMKDir(buf);
}
CreateDirectory(directory,NULL);
}
//Based on inttosizestr from NSIS exehead project.
//Creates a string representing the size of a file,
//choosing the unit that's best suited.
static TCHAR * FormatDiskSize(TCHAR *str, unsigned long b)
{
TCHAR scale=_T('k');
TCHAR sh=30;
TCHAR s=0;
if (b <= (1024*1024) ) sh=10, scale=_T('k');
else if (b <= (1024*1024*1024)) sh=20, scale=_T('M');
else if (GetVersion()&0x80000000) s=_T('+'); //only display '+' on GB shown on Win95
if (b >= 1000) //represent everything above 1000 bytes as 0,xx kB
{
wsprintf(str, _T("%d.%d%d %cB%c"),
b>>sh, ((b*10)>>sh)%10, ((b*20)>>sh)%10, scale, s);
if (b < 1024)
wsprintf(str+_tcsclen(str), _T(" (%u byte%c)"), b, b == 1?0:_T('s'));
}
else
wsprintf(str, _T("%u byte%c"), b, b == 1?0:_T('s'));
return str;
}
/* A simple format parser
* Handles %f, %c and %u
* size of out must be twice as large as size of str
*/
static TCHAR * parse(const TCHAR *str, TCHAR *out, int outlen,
TCHAR *filename,
unsigned long compressed,
unsigned long uncompressed,
unsigned int nkb)
{
TCHAR s[32];
const TCHAR *p;
UINT i=0;
p=str-1;
memset(out, 0, outlen);
while (p++ && (*p != 0))
{
if (*p == _T('%'))
{
switch (*(p+1))
{
case _T('c'):
case _T('C'):
{
FormatDiskSize(s, compressed);
lstrcat(out, s);
i += lstrlen(s);
break;
}
case _T('u'):
case _T('U'):
{
FormatDiskSize(s, uncompressed);
lstrcat(out, s);
i += lstrlen(s);
break;
}
case _T('f'):
case _T('F'):
{
lstrcat(out, filename);
i += lstrlen(filename);
break;
}
case _T('p'):
case _T('P'):
{
unsigned int j;
j = uncompressed;
if (!j) j = 1;
wsprintf(s, _T("%d%%"), nkb*100/j);
lstrcat(out, s);
i += lstrlen(s);
break;
}
case _T('b'):
case _T('B'):
{
FormatDiskSize(s, nkb);
lstrcat(out, s);
i += lstrlen(s);
break;
}
default: out[i++] = *p;
}
++p;
} else {
out[i++] = *p;
}
}
return out;
}
extern "C" __declspec(dllexport)
void Unzip(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
{
EXDLL_INIT();
g_hwndParent = hwndParent;
internal_unzip(0);
}
extern "C" __declspec(dllexport)
void UnzipToLog(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
{
EXDLL_INIT();
g_hwndParent = hwndParent;
internal_unzip(1);
}
extern "C" __declspec(dllexport)
void UnzipToStack(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
{
EXDLL_INIT();
g_hwndParent = hwndParent;
internal_unzip(2);
}
// This function is to be used by rundll32.exe. Call it like this:
//
// rundll32.exe "c:\a path\nsisunz.dll",extract_RunDLL c:\path\zipfile.zip c:\outdir
//
// or to extract a single file, use this (concatenate the next two lines):
//
// rundll32.exe c:\path\nsisunz.dll,extract_RunDLL
// /file readme.txt "c:\a path\zipfile.zip" c:\outdir
//
// "/noextractpath" is implicitly used if "/file" is used.
// It mimics NSIS itself by setting up a stack and pushing the
// parameters from the function on the stack. I made it like this
// so I could directly reuse the code I already had written without modifications.
extern "C" __declspec(dllexport)
void extract_RunDLL(HINSTANCE hAppInstance, LPVOID unused, TCHAR *params)
{
TCHAR res[1024];
TCHAR temp[256];
TCHAR zipfile[MAX_PATH]={0,};
TCHAR destdir[MAX_PATH]={0,};
TCHAR file[MAX_PATH]={0,};
TCHAR *p = params;
TCHAR *s;
TCHAR q=0;
int next=0;
#define NEXT_FILE 1
#define NEXT_ZIP 2
#define NEXT_DEST 3
stack_t ownstacktop;
stack_t *pownstacktop = &ownstacktop;
ownstacktop.next = NULL;
ownstacktop.text[0] = NULL;
g_stringsize=1024;
g_stacktop=&pownstacktop;
g_variables=NULL;
//Parse the parameters
//While we do the parsing we use next as a clue to
//what comes next. This way I don't have to write a
//new function.
while (*p)
{
if (*p==_T('"')) q=_T('"'), p++; else q=_T(' '); //Do we search for a quote or a space?
s = temp;
while (*p && *p != q) *s++ = *p++; //Copy chars from params to zipfile
*s = 0; //Terminate string
if (next==NEXT_FILE) lstrcpy(file, temp), next=NEXT_ZIP;
else if (next==NEXT_ZIP) lstrcpy(zipfile, temp), next=NEXT_DEST;
else if (next==NEXT_DEST) lstrcpy(destdir, temp), next=0;
else if (!lstrcmpi(temp, szFile)) next=NEXT_FILE;
else lstrcpy(zipfile, temp), next=NEXT_DEST;
while (*p && *++p == _T(' '));
}
pushstring(destdir);
pushstring(zipfile);
if (file[0])
{
pushstring(file);
pushstring(szFile);
pushstring(szNoextractpath);
}
internal_unzip(0);
popstring(res);
if (lstrcmp(res, szSuccess))
MessageBox(0, res, NULL, MB_ICONERROR);
}
void internal_unzip(int uselog)
{
//All char baby (or should I use int for the non-string stuff??)
TCHAR first=0;
TCHAR filefound=0;
TCHAR usefile=0;
TCHAR hastext=0;
TCHAR noextractpath=0;
TCHAR filetoextract[MAX_PATH+1];
TCHAR buf[1024];
TCHAR fn[MAX_PATH+1];
popstring(buf);
while (buf[0] == _T('/'))
{
if (!lstrcmpi(buf+1, _T("text"))) popstring(g_extract_text), hastext++;
if (!lstrcmpi(buf+1, _T("noextractpath"))) noextractpath++;
if (!lstrcmpi(buf+1, _T("file")))
{
TCHAR *p;
popstring(filetoextract);
// Ensure filename uses backslashes
p = filetoextract;
while (*p)
{
if (*p == _T('/')) *p=_T('\\');
p++;
}
usefile++;
}
//if stack is empty, bail out
if (popstring(buf))
*buf = 0;
}
//check for first required param
if (*buf)
lstrcpyn(fn, buf, MAX_PATH);
else
{
pushstring(_T("Error reading ZIP filename parameter"));
return;
}
if (popstring(tempzip_path))
{
pushstring(_T("Error reading destination directory parameter"));
return;
}
if (uselog==1)
{
if (!hastext) lstrcpy(g_extract_text, szDefExtractText);
}
unzFile f;
f = unzOpen(_T2A(fn));
if (!f || unzGoToFirstFile(f) != UNZ_OK)
{
if (f) unzClose(f);
pushstring(_T("Error opening ZIP file"));
return;
}
int nf=0, nb=0;
unz_file_info fileinfo;
g_extracting=1;
do {
char filenameA[MAX_PATH];
TCHAR filename[MAX_PATH];
unzGetCurrentFileInfo(f,&fileinfo,filenameA,sizeof(filename),NULL,0,NULL,0);
lstrcpyn(filename, _A2T(filenameA), MAX_PATH);
if (filename[0] &&
filename[_tcsclen(filename)-1] != _T('\\') &&
filename[_tcsclen(filename)-1] != _T('/'))
{
TCHAR *pfn=filename;
//ensure path uses backslashes
while (*pfn)
{
if (*pfn == _T('/')) *pfn=_T('\\');
pfn++;
}
if (usefile)
{
if (lstrcmpi(filename, filetoextract) != 0) continue;
else filefound++;
}
pfn=filename;
if (pfn[1] == _T(':') && pfn[2] == _T('\\')) pfn+=3;
while (*pfn == _T('\\')) pfn++;
if (noextractpath)
{
TCHAR buf[MAX_PATH];
lstrcpy(buf,filename);
TCHAR *p=buf+_tcsclen(buf);
while (p > buf && *p != _T('\\') && *p != _T('/')) p = CharPrev(buf, p);
if (p > buf) p++;
lstrcpy(filename, p);
}
TCHAR out_filename[1024];
lstrcpy(out_filename,tempzip_path);
lstrcat(out_filename,_T("\\"));
lstrcat(out_filename,pfn);
if (_tcsstr(pfn,_T("\\")))
{
TCHAR buf[1024];
lstrcpy(buf,out_filename);
TCHAR *p=buf+_tcsclen(buf);
while (p > buf && *p != _T('\\')) p--;
*p=0;
if (buf[0]) doMKDir(buf);
}
if (unzOpenCurrentFile(f) == UNZ_OK)
{
FILE *fp;
int l;
fp = _tfopen(out_filename,_T("wb"));
if (fp)
{
if (uselog==1) {
TCHAR logtmp[256];
parse(g_extract_text, logtmp, sizeof(logtmp),
pfn, fileinfo.compressed_size, fileinfo.uncompressed_size, 0);
LogMessage(g_hwndParent, logtmp);
} else if (uselog == 2) {
if (!first)
{
pushstring(_T("")); //push list terminator (empty string)
first++;
}
pushstring(pfn);
}
nb=0;
do
{
TCHAR buf[1024];
l=unzReadCurrentFile(f,buf,sizeof(buf));
if (l > 0)
{
if (fwrite(buf,1,l,fp) != (unsigned int)l)
{
unzClose(f);
fclose(fp);
pushstring(_T("Error writing output file(s)"));
g_extracting=0;
return;
}
if (!g_extracting)
{
unzClose(f);
fclose(fp);
g_extracting=0;
pushstring(_T("aborted"));
return;
}
}
if (uselog==1 && (nb % 1024))
{
TCHAR logtmp[256];
parse(g_extract_text, logtmp, sizeof(logtmp),
pfn, fileinfo.compressed_size,
fileinfo.uncompressed_size, nb);
LogMessage(g_hwndParent, logtmp, 1);
}
nb += l;
} while (l > 0);
fclose(fp);
}
else
{
unzClose(f);
pushstring(_T("Error opening output file(s)"));
g_extracting=0;
return;
}
nf++;
int quit=0;
if (g_hwndParent)
{
MSG msg;
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
{
if (msg.message == WM_DESTROY && msg.hwnd == g_hwndParent)
{
quit++;
break;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
unzCloseCurrentFile(f);
if (quit) break;
}
else
{
unzClose(f);
pushstring(_T("Error extracting from ZIP file"));
g_extracting=0;
return;
}
}
} while (unzGoToNextFile(f) == UNZ_OK);
g_extracting=0;
if (usefile && !filefound) {
pushstring(_T("File not found in archive"));
} else {
pushstring(szSuccess);
}
unzClose(f);
return;
}
// Tim Kosse's LogMessage
void LogMessage(HWND hwndParent, const TCHAR *pStr, int changelast) {
static HWND hwndList=0;
static HWND hwndStatus=0;
LVITEM item={0};
int nItemCount;
if (!hwndParent) return;
EnterCriticalSection(&cs);
//Get ListView control on instfiles page (the log)
if (!hwndList) hwndList = FindWindowEx(
FindWindowEx(hwndParent, NULL, _T("#32770"), NULL),
NULL, _T("SysListView32"), NULL);
//Get status "STATIC" control above progressbar
if (!hwndStatus) hwndStatus = GetDlgItem(
FindWindowEx(hwndParent, NULL, _T("#32770"), NULL),
1006);
if (!hwndList || !hwndStatus) return;
SendMessage(hwndStatus, WM_SETTEXT, 0, (LPARAM)pStr);//added by Saivert
nItemCount=SendMessage(hwndList, LVM_GETITEMCOUNT, 0, 0);
item.mask=LVIF_TEXT;
item.pszText=(TCHAR *)pStr;
item.cchTextMax=0;
item.iItem=changelast?nItemCount-1:nItemCount;
if (changelast) {
ListView_SetItem(hwndList, &item);
} else {
ListView_InsertItem(hwndList, &item);
}
ListView_EnsureVisible(hwndList, item.iItem, 0);
LeaveCriticalSection(&cs);
}
// EXPERIMENTAL THREAD BASED EXTRACTION
/*
extern "C" __declspec(dllexport)
UnzipToLogUsingThread(HWND hwndParent, int string_size, char *variables, stack_t **stacktop)
{
MSG msg;
DWORD dwTID;
CreateThread(NULL, 0, UnzipThread, (LPVOID)1, 0, &dwTID);
}
DWORD WINAPI UnzipThread(LPVOID p)
{
int uselog = 1;
return 0;
}
*/
#ifdef UNICODE
unsigned char staticCnvBuffer[1024*sizeof(TCHAR)]; /* temp buffer, holds ASCII & UNICODE string after conversion */
char * _T2A(wchar_t *wideStr)
{
WideCharToMultiByte(CP_ACP, 0, wideStr, -1, (LPSTR)staticCnvBuffer, sizeof(staticCnvBuffer), NULL, NULL);
return (char *)staticCnvBuffer;
}
wchar_t * _A2T(char *ansiStr)
{
MultiByteToWideChar(CP_ACP, 0, ansiStr, -1, (TCHAR *)staticCnvBuffer, sizeof(staticCnvBuffer)/sizeof(TCHAR));
return (wchar_t *)staticCnvBuffer;
}
#endif
versions/zlib-1.1.3/Source/nsisunz.def
+5
View File
@@ -0,0 +1,5 @@
LIBRARY nsisunz
EXPORTS
Unzip
UnzipToLog
UnzipToStack
versions/zlib-1.1.3/Source/nsisunz.vcproj
+527
View File
@@ -0,0 +1,527 @@
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versions/zlib-1.1.3/Source/nsisunz.vcxproj
+219
View File
@@ -0,0 +1,219 @@
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versions/zlib-1.1.3/Source/zlib/ADLER32.C
+48
View File
@@ -0,0 +1,48 @@
/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: ADLER32.C,v 1.1.1.1 2002/08/02 09:59:32 kichik Exp $ */
#include "zlib.h"
#define BASE 65521L /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(buf,i) {s1 += buf[i]; s2 += s1;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
unsigned long s1 = adler & 0xffff;
unsigned long s2 = (adler >> 16) & 0xffff;
int k;
if (buf == Z_NULL) return 1L;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
buf += 16;
k -= 16;
}
if (k != 0) do {
s1 += *buf++;
s2 += s1;
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
return (s2 << 16) | s1;
}
versions/zlib-1.1.3/Source/zlib/CRC32.C
+162
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@@ -0,0 +1,162 @@
/* crc32.c -- compute the CRC-32 of a data stream
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: CRC32.C,v 1.1.1.1 2002/08/02 09:59:33 kichik Exp $ */
#include "zlib.h"
#define local static
#ifdef DYNAMIC_CRC_TABLE
local int crc_table_empty = 1;
local uLongf crc_table[256];
local void make_crc_table OF((void));
/*
Generate a table for a byte-wise 32-bit CRC calculation on the polynomial:
x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
Polynomials over GF(2) are represented in binary, one bit per coefficient,
with the lowest powers in the most significant bit. Then adding polynomials
is just exclusive-or, and multiplying a polynomial by x is a right shift by
one. If we call the above polynomial p, and represent a byte as the
polynomial q, also with the lowest power in the most significant bit (so the
byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
where a mod b means the remainder after dividing a by b.
This calculation is done using the shift-register method of multiplying and
taking the remainder. The register is initialized to zero, and for each
incoming bit, x^32 is added mod p to the register if the bit is a one (where
x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
x (which is shifting right by one and adding x^32 mod p if the bit shifted
out is a one). We start with the highest power (least significant bit) of
q and repeat for all eight bits of q.
The table is simply the CRC of all possible eight bit values. This is all
the information needed to generate CRC's on data a byte at a time for all
combinations of CRC register values and incoming bytes.
*/
local void make_crc_table()
{
uLong c;
int n, k;
uLong poly; /* polynomial exclusive-or pattern */
/* terms of polynomial defining this crc (except x^32): */
static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
/* make exclusive-or pattern from polynomial (0xedb88320L) */
poly = 0L;
for (n = 0; n < sizeof(p)/sizeof(Byte); n++)
poly |= 1L << (31 - p[n]);
for (n = 0; n < 256; n++)
{
c = (uLong)n;
for (k = 0; k < 8; k++)
c = c & 1 ? poly ^ (c >> 1) : c >> 1;
crc_table[n] = c;
}
crc_table_empty = 0;
}
#else
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by make_crc_table)
*/
local const uLongf crc_table[256] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
0x2d02ef8dL
};
#endif
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
const uLongf * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty) make_crc_table();
#endif
return (const uLongf *)crc_table;
}
/* ========================================================================= */
#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
#define DO2(buf) DO1(buf); DO1(buf);
#define DO4(buf) DO2(buf); DO2(buf);
#define DO8(buf) DO4(buf); DO4(buf);
/* ========================================================================= */
uLong ZEXPORT crc32(crc, buf, len)
uLong crc;
const Bytef *buf;
uInt len;
{
if (buf == Z_NULL) return 0L;
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
make_crc_table();
#endif
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
versions/zlib-1.1.3/Source/zlib/INFBLOCK.C
+398
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@@ -0,0 +1,398 @@
/* infblock.c -- interpret and process block types to last block
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "infblock.h"
#include "inftrees.h"
#include "infcodes.h"
#include "infutil.h"
struct inflate_codes_state {int dummy;}; /* for buggy compilers */
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
/* Table for deflate from PKZIP's appnote.txt. */
local const uInt border[] = { /* Order of the bit length code lengths */
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
/*
Notes beyond the 1.93a appnote.txt:
1. Distance pointers never point before the beginning of the output
stream.
2. Distance pointers can point back across blocks, up to 32k away.
3. There is an implied maximum of 7 bits for the bit length table and
15 bits for the actual data.
4. If only one code exists, then it is encoded using one bit. (Zero
would be more efficient, but perhaps a little confusing.) If two
codes exist, they are coded using one bit each (0 and 1).
5. There is no way of sending zero distance codes--a dummy must be
sent if there are none. (History: a pre 2.0 version of PKZIP would
store blocks with no distance codes, but this was discovered to be
too harsh a criterion.) Valid only for 1.93a. 2.04c does allow
zero distance codes, which is sent as one code of zero bits in
length.
6. There are up to 286 literal/length codes. Code 256 represents the
end-of-block. Note however that the static length tree defines
288 codes just to fill out the Huffman codes. Codes 286 and 287
cannot be used though, since there is no length base or extra bits
defined for them. Similarily, there are up to 30 distance codes.
However, static trees define 32 codes (all 5 bits) to fill out the
Huffman codes, but the last two had better not show up in the data.
7. Unzip can check dynamic Huffman blocks for complete code sets.
The exception is that a single code would not be complete (see #4).
8. The five bits following the block type is really the number of
literal codes sent minus 257.
9. Length codes 8,16,16 are interpreted as 13 length codes of 8 bits
(1+6+6). Therefore, to output three times the length, you output
three codes (1+1+1), whereas to output four times the same length,
you only need two codes (1+3). Hmm.
10. In the tree reconstruction algorithm, Code = Code + Increment
only if BitLength(i) is not zero. (Pretty obvious.)
11. Correction: 4 Bits: # of Bit Length codes - 4 (4 - 19)
12. Note: length code 284 can represent 227-258, but length code 285
really is 258. The last length deserves its own, short code
since it gets used a lot in very redundant files. The length
258 is special since 258 - 3 (the min match length) is 255.
13. The literal/length and distance code bit lengths are read as a
single stream of lengths. It is possible (and advantageous) for
a repeat code (16, 17, or 18) to go across the boundary between
the two sets of lengths.
*/
void inflate_blocks_reset(s, z, c)
inflate_blocks_statef *s;
z_streamp z;
uLongf *c;
{
if (c != Z_NULL)
*c = s->check;
if (s->mode == BTREE || s->mode == DTREE)
ZFREE(z, s->sub.trees.blens);
if (s->mode == CODES)
inflate_codes_free(s->sub.decode.codes, z);
s->mode = TYPE;
s->bitk = 0;
s->bitb = 0;
s->read = s->write = s->window;
if (s->checkfn != Z_NULL)
z->adler = s->check = (*s->checkfn)(0L, (const Bytef *)Z_NULL, 0);
Tracev((stderr, "inflate: blocks reset\n"));
}
inflate_blocks_statef *inflate_blocks_new(z, c, w)
z_streamp z;
check_func c;
uInt w;
{
inflate_blocks_statef *s;
if ((s = (inflate_blocks_statef *)ZALLOC
(z,1,sizeof(struct inflate_blocks_state))) == Z_NULL)
return s;
if ((s->hufts =
(inflate_huft *)ZALLOC(z, sizeof(inflate_huft), MANY)) == Z_NULL)
{
ZFREE(z, s);
return Z_NULL;
}
if ((s->window = (Bytef *)ZALLOC(z, 1, w)) == Z_NULL)
{
ZFREE(z, s->hufts);
ZFREE(z, s);
return Z_NULL;
}
s->end = s->window + w;
s->checkfn = c;
s->mode = TYPE;
Tracev((stderr, "inflate: blocks allocated\n"));
inflate_blocks_reset(s, z, Z_NULL);
return s;
}
int inflate_blocks(s, z, r)
inflate_blocks_statef *s;
z_streamp z;
int r;
{
uInt t; /* temporary storage */
uLong b; /* bit buffer */
uInt k; /* bits in bit buffer */
Bytef *p; /* input data pointer */
uInt n; /* bytes available there */
Bytef *q; /* output window write pointer */
uInt m; /* bytes to end of window or read pointer */
/* copy input/output information to locals (UPDATE macro restores) */
LOAD
/* process input based on current state */
while (1) switch (s->mode)
{
case TYPE:
NEEDBITS(3)
t = (uInt)b & 7;
s->last = t & 1;
switch (t >> 1)
{
case 0: /* stored */
Tracev((stderr, "inflate: stored block%s\n",
s->last ? " (last)" : ""));
DUMPBITS(3)
t = k & 7; /* go to byte boundary */
DUMPBITS(t)
s->mode = LENS; /* get length of stored block */
break;
case 1: /* fixed */
Tracev((stderr, "inflate: fixed codes block%s\n",
s->last ? " (last)" : ""));
{
uInt bl, bd;
inflate_huft *tl, *td;
inflate_trees_fixed(&bl, &bd, &tl, &td, z);
s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z);
if (s->sub.decode.codes == Z_NULL)
{
r = Z_MEM_ERROR;
LEAVE
}
}
DUMPBITS(3)
s->mode = CODES;
break;
case 2: /* dynamic */
Tracev((stderr, "inflate: dynamic codes block%s\n",
s->last ? " (last)" : ""));
DUMPBITS(3)
s->mode = TABLE;
break;
case 3: /* illegal */
DUMPBITS(3)
s->mode = BAD;
z->msg = (char*)"invalid block type";
r = Z_DATA_ERROR;
LEAVE
}
break;
case LENS:
NEEDBITS(32)
if ((((~b) >> 16) & 0xffff) != (b & 0xffff))
{
s->mode = BAD;
z->msg = (char*)"invalid stored block lengths";
r = Z_DATA_ERROR;
LEAVE
}
s->sub.left = (uInt)b & 0xffff;
b = k = 0; /* dump bits */
Tracev((stderr, "inflate: stored length %u\n", s->sub.left));
s->mode = s->sub.left ? STORED : (s->last ? DRY : TYPE);
break;
case STORED:
if (n == 0)
LEAVE
NEEDOUT
t = s->sub.left;
if (t > n) t = n;
if (t > m) t = m;
zmemcpy(q, p, t);
p += t; n -= t;
q += t; m -= t;
if ((s->sub.left -= t) != 0)
break;
Tracev((stderr, "inflate: stored end, %lu total out\n",
z->total_out + (q >= s->read ? q - s->read :
(s->end - s->read) + (q - s->window))));
s->mode = s->last ? DRY : TYPE;
break;
case TABLE:
NEEDBITS(14)
s->sub.trees.table = t = (uInt)b & 0x3fff;
#ifndef PKZIP_BUG_WORKAROUND
if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29)
{
s->mode = BAD;
z->msg = (char*)"too many length or distance symbols";
r = Z_DATA_ERROR;
LEAVE
}
#endif
t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f);
if ((s->sub.trees.blens = (uIntf*)ZALLOC(z, t, sizeof(uInt))) == Z_NULL)
{
r = Z_MEM_ERROR;
LEAVE
}
DUMPBITS(14)
s->sub.trees.index = 0;
Tracev((stderr, "inflate: table sizes ok\n"));
s->mode = BTREE;
case BTREE:
while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10))
{
NEEDBITS(3)
s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7;
DUMPBITS(3)
}
while (s->sub.trees.index < 19)
s->sub.trees.blens[border[s->sub.trees.index++]] = 0;
s->sub.trees.bb = 7;
t = inflate_trees_bits(s->sub.trees.blens, &s->sub.trees.bb,
&s->sub.trees.tb, s->hufts, z);
if (t != Z_OK)
{
ZFREE(z, s->sub.trees.blens);
r = t;
if (r == Z_DATA_ERROR)
s->mode = BAD;
LEAVE
}
s->sub.trees.index = 0;
Tracev((stderr, "inflate: bits tree ok\n"));
s->mode = DTREE;
case DTREE:
while (t = s->sub.trees.table,
s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f))
{
inflate_huft *h;
uInt i, j, c;
t = s->sub.trees.bb;
NEEDBITS(t)
h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]);
t = h->bits;
c = h->base;
if (c < 16)
{
DUMPBITS(t)
s->sub.trees.blens[s->sub.trees.index++] = c;
}
else /* c == 16..18 */
{
i = c == 18 ? 7 : c - 14;
j = c == 18 ? 11 : 3;
NEEDBITS(t + i)
DUMPBITS(t)
j += (uInt)b & inflate_mask[i];
DUMPBITS(i)
i = s->sub.trees.index;
t = s->sub.trees.table;
if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) ||
(c == 16 && i < 1))
{
ZFREE(z, s->sub.trees.blens);
s->mode = BAD;
z->msg = (char*)"invalid bit length repeat";
r = Z_DATA_ERROR;
LEAVE
}
c = c == 16 ? s->sub.trees.blens[i - 1] : 0;
do {
s->sub.trees.blens[i++] = c;
} while (--j);
s->sub.trees.index = i;
}
}
s->sub.trees.tb = Z_NULL;
{
uInt bl, bd;
inflate_huft *tl, *td;
inflate_codes_statef *c;
bl = 9; /* must be <= 9 for lookahead assumptions */
bd = 6; /* must be <= 9 for lookahead assumptions */
t = s->sub.trees.table;
t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
s->sub.trees.blens, &bl, &bd, &tl, &td,
s->hufts, z);
ZFREE(z, s->sub.trees.blens);
if (t != Z_OK)
{
if (t == (uInt)Z_DATA_ERROR)
s->mode = BAD;
r = t;
LEAVE
}
Tracev((stderr, "inflate: trees ok\n"));
if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL)
{
r = Z_MEM_ERROR;
LEAVE
}
s->sub.decode.codes = c;
}
s->mode = CODES;
case CODES:
UPDATE
if ((r = inflate_codes(s, z, r)) != Z_STREAM_END)
return inflate_flush(s, z, r);
r = Z_OK;
inflate_codes_free(s->sub.decode.codes, z);
LOAD
Tracev((stderr, "inflate: codes end, %lu total out\n",
z->total_out + (q >= s->read ? q - s->read :
(s->end - s->read) + (q - s->window))));
if (!s->last)
{
s->mode = TYPE;
break;
}
s->mode = DRY;
case DRY:
FLUSH
if (s->read != s->write)
LEAVE
s->mode = DONE;
case DONE:
r = Z_STREAM_END;
LEAVE
case BAD:
r = Z_DATA_ERROR;
LEAVE
default:
r = Z_STREAM_ERROR;
LEAVE
}
}
int inflate_blocks_free(s, z)
inflate_blocks_statef *s;
z_streamp z;
{
inflate_blocks_reset(s, z, Z_NULL);
ZFREE(z, s->window);
ZFREE(z, s->hufts);
ZFREE(z, s);
Tracev((stderr, "inflate: blocks freed\n"));
return Z_OK;
}
void inflate_set_dictionary(s, d, n)
inflate_blocks_statef *s;
const Bytef *d;
uInt n;
{
zmemcpy(s->window, d, n);
s->read = s->write = s->window + n;
}
/* Returns true if inflate is currently at the end of a block generated
* by Z_SYNC_FLUSH or Z_FULL_FLUSH.
* IN assertion: s != Z_NULL
*/
int inflate_blocks_sync_point(s)
inflate_blocks_statef *s;
{
return s->mode == LENS;
}
versions/zlib-1.1.3/Source/zlib/INFBLOCK.H
+39
View File
@@ -0,0 +1,39 @@
/* infblock.h -- header to use infblock.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
struct inflate_blocks_state;
typedef struct inflate_blocks_state FAR inflate_blocks_statef;
extern inflate_blocks_statef * inflate_blocks_new OF((
z_streamp z,
check_func c, /* check function */
uInt w)); /* window size */
extern int inflate_blocks OF((
inflate_blocks_statef *,
z_streamp ,
int)); /* initial return code */
extern void inflate_blocks_reset OF((
inflate_blocks_statef *,
z_streamp ,
uLongf *)); /* check value on output */
extern int inflate_blocks_free OF((
inflate_blocks_statef *,
z_streamp));
extern void inflate_set_dictionary OF((
inflate_blocks_statef *s,
const Bytef *d, /* dictionary */
uInt n)); /* dictionary length */
extern int inflate_blocks_sync_point OF((
inflate_blocks_statef *s));
versions/zlib-1.1.3/Source/zlib/INFCODES.C
+257
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/* infcodes.c -- process literals and length/distance pairs
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "infblock.h"
#include "infcodes.h"
#include "infutil.h"
#include "inffast.h"
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
typedef enum { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
START, /* x: set up for LEN */
LEN, /* i: get length/literal/eob next */
LENEXT, /* i: getting length extra (have base) */
DIST, /* i: get distance next */
DISTEXT, /* i: getting distance extra */
COPY, /* o: copying bytes in window, waiting for space */
LIT, /* o: got literal, waiting for output space */
WASH, /* o: got eob, possibly still output waiting */
END, /* x: got eob and all data flushed */
BADCODE} /* x: got error */
inflate_codes_mode;
/* inflate codes private state */
struct inflate_codes_state {
/* mode */
inflate_codes_mode mode; /* current inflate_codes mode */
/* mode dependent information */
uInt len;
union {
struct {
inflate_huft *tree; /* pointer into tree */
uInt need; /* bits needed */
} code; /* if LEN or DIST, where in tree */
uInt lit; /* if LIT, literal */
struct {
uInt get; /* bits to get for extra */
uInt dist; /* distance back to copy from */
} copy; /* if EXT or COPY, where and how much */
} sub; /* submode */
/* mode independent information */
Byte lbits; /* ltree bits decoded per branch */
Byte dbits; /* dtree bits decoder per branch */
inflate_huft *ltree; /* literal/length/eob tree */
inflate_huft *dtree; /* distance tree */
};
inflate_codes_statef *inflate_codes_new(bl, bd, tl, td, z)
uInt bl, bd;
inflate_huft *tl;
inflate_huft *td; /* need separate declaration for Borland C++ */
z_streamp z;
{
inflate_codes_statef *c;
if ((c = (inflate_codes_statef *)
ZALLOC(z,1,sizeof(struct inflate_codes_state))) != Z_NULL)
{
c->mode = START;
c->lbits = (Byte)bl;
c->dbits = (Byte)bd;
c->ltree = tl;
c->dtree = td;
Tracev((stderr, "inflate: codes new\n"));
}
return c;
}
int inflate_codes(s, z, r)
inflate_blocks_statef *s;
z_streamp z;
int r;
{
uInt j; /* temporary storage */
inflate_huft *t; /* temporary pointer */
uInt e; /* extra bits or operation */
uLong b; /* bit buffer */
uInt k; /* bits in bit buffer */
Bytef *p; /* input data pointer */
uInt n; /* bytes available there */
Bytef *q; /* output window write pointer */
uInt m; /* bytes to end of window or read pointer */
Bytef *f; /* pointer to copy strings from */
inflate_codes_statef *c = s->sub.decode.codes; /* codes state */
/* copy input/output information to locals (UPDATE macro restores) */
LOAD
/* process input and output based on current state */
while (1) switch (c->mode)
{ /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
case START: /* x: set up for LEN */
#ifndef SLOW
if (m >= 258 && n >= 10)
{
UPDATE
r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z);
LOAD
if (r != Z_OK)
{
c->mode = r == Z_STREAM_END ? WASH : BADCODE;
break;
}
}
#endif /* !SLOW */
c->sub.code.need = c->lbits;
c->sub.code.tree = c->ltree;
c->mode = LEN;
case LEN: /* i: get length/literal/eob next */
j = c->sub.code.need;
NEEDBITS(j)
t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
DUMPBITS(t->bits)
e = (uInt)(t->exop);
if (e == 0) /* literal */
{
c->sub.lit = t->base;
Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", t->base));
c->mode = LIT;
break;
}
if (e & 16) /* length */
{
c->sub.copy.get = e & 15;
c->len = t->base;
c->mode = LENEXT;
break;
}
if ((e & 64) == 0) /* next table */
{
c->sub.code.need = e;
c->sub.code.tree = t + t->base;
break;
}
if (e & 32) /* end of block */
{
Tracevv((stderr, "inflate: end of block\n"));
c->mode = WASH;
break;
}
c->mode = BADCODE; /* invalid code */
z->msg = (char*)"invalid literal/length code";
r = Z_DATA_ERROR;
LEAVE
case LENEXT: /* i: getting length extra (have base) */
j = c->sub.copy.get;
NEEDBITS(j)
c->len += (uInt)b & inflate_mask[j];
DUMPBITS(j)
c->sub.code.need = c->dbits;
c->sub.code.tree = c->dtree;
Tracevv((stderr, "inflate: length %u\n", c->len));
c->mode = DIST;
case DIST: /* i: get distance next */
j = c->sub.code.need;
NEEDBITS(j)
t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
DUMPBITS(t->bits)
e = (uInt)(t->exop);
if (e & 16) /* distance */
{
c->sub.copy.get = e & 15;
c->sub.copy.dist = t->base;
c->mode = DISTEXT;
break;
}
if ((e & 64) == 0) /* next table */
{
c->sub.code.need = e;
c->sub.code.tree = t + t->base;
break;
}
c->mode = BADCODE; /* invalid code */
z->msg = (char*)"invalid distance code";
r = Z_DATA_ERROR;
LEAVE
case DISTEXT: /* i: getting distance extra */
j = c->sub.copy.get;
NEEDBITS(j)
c->sub.copy.dist += (uInt)b & inflate_mask[j];
DUMPBITS(j)
Tracevv((stderr, "inflate: distance %u\n", c->sub.copy.dist));
c->mode = COPY;
case COPY: /* o: copying bytes in window, waiting for space */
#ifndef __TURBOC__ /* Turbo C bug for following expression */
f = (uInt)(q - s->window) < c->sub.copy.dist ?
s->end - (c->sub.copy.dist - (q - s->window)) :
q - c->sub.copy.dist;
#else
f = q - c->sub.copy.dist;
if ((uInt)(q - s->window) < c->sub.copy.dist)
f = s->end - (c->sub.copy.dist - (uInt)(q - s->window));
#endif
while (c->len)
{
NEEDOUT
OUTBYTE(*f++)
if (f == s->end)
f = s->window;
c->len--;
}
c->mode = START;
break;
case LIT: /* o: got literal, waiting for output space */
NEEDOUT
OUTBYTE(c->sub.lit)
c->mode = START;
break;
case WASH: /* o: got eob, possibly more output */
if (k > 7) /* return unused byte, if any */
{
Assert(k < 16, "inflate_codes grabbed too many bytes")
k -= 8;
n++;
p--; /* can always return one */
}
FLUSH
if (s->read != s->write)
LEAVE
c->mode = END;
case END:
r = Z_STREAM_END;
LEAVE
case BADCODE: /* x: got error */
r = Z_DATA_ERROR;
LEAVE
default:
r = Z_STREAM_ERROR;
LEAVE
}
#ifdef NEED_DUMMY_RETURN
return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
#endif
}
void inflate_codes_free(c, z)
inflate_codes_statef *c;
z_streamp z;
{
ZFREE(z, c);
Tracev((stderr, "inflate: codes free\n"));
}
versions/zlib-1.1.3/Source/zlib/INFCODES.H
+27
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@@ -0,0 +1,27 @@
/* infcodes.h -- header to use infcodes.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
struct inflate_codes_state;
typedef struct inflate_codes_state FAR inflate_codes_statef;
extern inflate_codes_statef *inflate_codes_new OF((
uInt, uInt,
inflate_huft *, inflate_huft *,
z_streamp ));
extern int inflate_codes OF((
inflate_blocks_statef *,
z_streamp ,
int));
extern void inflate_codes_free OF((
inflate_codes_statef *,
z_streamp ));
versions/zlib-1.1.3/Source/zlib/INFFAST.C
+170
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@@ -0,0 +1,170 @@
/* inffast.c -- process literals and length/distance pairs fast
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "infblock.h"
#include "infcodes.h"
#include "infutil.h"
#include "inffast.h"
struct inflate_codes_state {int dummy;}; /* for buggy compilers */
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
/* macros for bit input with no checking and for returning unused bytes */
#define GRABBITS(j) {while(k<(j)){b|=((uLong)NEXTBYTE)<<k;k+=8;}}
#define UNGRAB {c=z->avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3;}
/* Called with number of bytes left to write in window at least 258
(the maximum string length) and number of input bytes available
at least ten. The ten bytes are six bytes for the longest length/
distance pair plus four bytes for overloading the bit buffer. */
int inflate_fast(bl, bd, tl, td, s, z)
uInt bl, bd;
inflate_huft *tl;
inflate_huft *td; /* need separate declaration for Borland C++ */
inflate_blocks_statef *s;
z_streamp z;
{
inflate_huft *t; /* temporary pointer */
uInt e; /* extra bits or operation */
uLong b; /* bit buffer */
uInt k; /* bits in bit buffer */
Bytef *p; /* input data pointer */
uInt n; /* bytes available there */
Bytef *q; /* output window write pointer */
uInt m; /* bytes to end of window or read pointer */
uInt ml; /* mask for literal/length tree */
uInt md; /* mask for distance tree */
uInt c; /* bytes to copy */
uInt d; /* distance back to copy from */
Bytef *r; /* copy source pointer */
/* load input, output, bit values */
LOAD
/* initialize masks */
ml = inflate_mask[bl];
md = inflate_mask[bd];
/* do until not enough input or output space for fast loop */
do { /* assume called with m >= 258 && n >= 10 */
/* get literal/length code */
GRABBITS(20) /* max bits for literal/length code */
if ((e = (t = tl + ((uInt)b & ml))->exop) == 0)
{
DUMPBITS(t->bits)
Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
"inflate: * literal '%c'\n" :
"inflate: * literal 0x%02x\n", t->base));
*q++ = (Byte)t->base;
m--;
continue;
}
do {
DUMPBITS(t->bits)
if (e & 16)
{
/* get extra bits for length */
e &= 15;
c = t->base + ((uInt)b & inflate_mask[e]);
DUMPBITS(e)
Tracevv((stderr, "inflate: * length %u\n", c));
/* decode distance base of block to copy */
GRABBITS(15); /* max bits for distance code */
e = (t = td + ((uInt)b & md))->exop;
do {
DUMPBITS(t->bits)
if (e & 16)
{
/* get extra bits to add to distance base */
e &= 15;
GRABBITS(e) /* get extra bits (up to 13) */
d = t->base + ((uInt)b & inflate_mask[e]);
DUMPBITS(e)
Tracevv((stderr, "inflate: * distance %u\n", d));
/* do the copy */
m -= c;
if ((uInt)(q - s->window) >= d) /* offset before dest */
{ /* just copy */
r = q - d;
*q++ = *r++; c--; /* minimum count is three, */
*q++ = *r++; c--; /* so unroll loop a little */
}
else /* else offset after destination */
{
e = d - (uInt)(q - s->window); /* bytes from offset to end */
r = s->end - e; /* pointer to offset */
if (c > e) /* if source crosses, */
{
c -= e; /* copy to end of window */
do {
*q++ = *r++;
} while (--e);
r = s->window; /* copy rest from start of window */
}
}
do { /* copy all or what's left */
*q++ = *r++;
} while (--c);
break;
}
else if ((e & 64) == 0)
{
t += t->base;
e = (t += ((uInt)b & inflate_mask[e]))->exop;
}
else
{
z->msg = (char*)"invalid distance code";
UNGRAB
UPDATE
return Z_DATA_ERROR;
}
} while (1);
break;
}
if ((e & 64) == 0)
{
t += t->base;
if ((e = (t += ((uInt)b & inflate_mask[e]))->exop) == 0)
{
DUMPBITS(t->bits)
Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
"inflate: * literal '%c'\n" :
"inflate: * literal 0x%02x\n", t->base));
*q++ = (Byte)t->base;
m--;
break;
}
}
else if (e & 32)
{
Tracevv((stderr, "inflate: * end of block\n"));
UNGRAB
UPDATE
return Z_STREAM_END;
}
else
{
z->msg = (char*)"invalid literal/length code";
UNGRAB
UPDATE
return Z_DATA_ERROR;
}
} while (1);
} while (m >= 258 && n >= 10);
/* not enough input or output--restore pointers and return */
UNGRAB
UPDATE
return Z_OK;
}
versions/zlib-1.1.3/Source/zlib/INFFAST.H
+17
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@@ -0,0 +1,17 @@
/* inffast.h -- header to use inffast.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
extern int inflate_fast OF((
uInt,
uInt,
inflate_huft *,
inflate_huft *,
inflate_blocks_statef *,
z_streamp ));
versions/zlib-1.1.3/Source/zlib/INFFIXED.H
+151
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@@ -0,0 +1,151 @@
/* inffixed.h -- table for decoding fixed codes
* Generated automatically by the maketree.c program
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
local uInt fixed_bl = 9;
local uInt fixed_bd = 5;
local inflate_huft fixed_tl[] = {
{{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
{{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},192},
{{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},160},
{{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},224},
{{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},144},
{{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},208},
{{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},176},
{{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},240},
{{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
{{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},200},
{{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},168},
{{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},232},
{{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},152},
{{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},216},
{{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},184},
{{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},248},
{{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
{{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},196},
{{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},164},
{{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},228},
{{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},148},
{{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},212},
{{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},180},
{{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},244},
{{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},204},
{{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},172},
{{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},236},
{{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},156},
{{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},220},
{{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},188},
{{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},252},
{{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
{{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},194},
{{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},162},
{{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},226},
{{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},146},
{{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},210},
{{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},178},
{{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},242},
{{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
{{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},202},
{{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},170},
{{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},234},
{{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},154},
{{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},218},
{{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},186},
{{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},250},
{{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
{{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},198},
{{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},166},
{{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},230},
{{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},150},
{{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},214},
{{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},182},
{{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},246},
{{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},206},
{{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},174},
{{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},238},
{{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},158},
{{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},222},
{{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},190},
{{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},254},
{{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
{{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},193},
{{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},161},
{{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},225},
{{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},145},
{{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},209},
{{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},177},
{{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},241},
{{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
{{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},201},
{{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},169},
{{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},233},
{{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},153},
{{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},217},
{{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},185},
{{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},249},
{{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
{{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},197},
{{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},165},
{{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},229},
{{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},149},
{{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},213},
{{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},181},
{{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},245},
{{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},205},
{{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},173},
{{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},237},
{{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},157},
{{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},221},
{{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},189},
{{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},253},
{{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
{{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},195},
{{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},163},
{{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},227},
{{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},147},
{{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},211},
{{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},179},
{{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},243},
{{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
{{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},203},
{{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},171},
{{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},235},
{{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},155},
{{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},219},
{{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},187},
{{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},251},
{{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
{{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},199},
{{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},167},
{{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},231},
{{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},151},
{{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},215},
{{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},183},
{{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},247},
{{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},207},
{{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},175},
{{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},239},
{{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},159},
{{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},223},
{{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},191},
{{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},255}
};
local inflate_huft fixed_td[] = {
{{{80,5}},1}, {{{87,5}},257}, {{{83,5}},17}, {{{91,5}},4097},
{{{81,5}},5}, {{{89,5}},1025}, {{{85,5}},65}, {{{93,5}},16385},
{{{80,5}},3}, {{{88,5}},513}, {{{84,5}},33}, {{{92,5}},8193},
{{{82,5}},9}, {{{90,5}},2049}, {{{86,5}},129}, {{{192,5}},24577},
{{{80,5}},2}, {{{87,5}},385}, {{{83,5}},25}, {{{91,5}},6145},
{{{81,5}},7}, {{{89,5}},1537}, {{{85,5}},97}, {{{93,5}},24577},
{{{80,5}},4}, {{{88,5}},769}, {{{84,5}},49}, {{{92,5}},12289},
{{{82,5}},13}, {{{90,5}},3073}, {{{86,5}},193}, {{{192,5}},24577}
};
versions/zlib-1.1.3/Source/zlib/INFLATE.C
+366
View File
@@ -0,0 +1,366 @@
/* inflate.c -- zlib interface to inflate modules
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "infblock.h"
struct inflate_blocks_state {int dummy;}; /* for buggy compilers */
typedef enum {
METHOD, /* waiting for method byte */
FLAG, /* waiting for flag byte */
DICT4, /* four dictionary check bytes to go */
DICT3, /* three dictionary check bytes to go */
DICT2, /* two dictionary check bytes to go */
DICT1, /* one dictionary check byte to go */
DICT0, /* waiting for inflateSetDictionary */
BLOCKS, /* decompressing blocks */
CHECK4, /* four check bytes to go */
CHECK3, /* three check bytes to go */
CHECK2, /* two check bytes to go */
CHECK1, /* one check byte to go */
DONE, /* finished check, done */
BAD} /* got an error--stay here */
inflate_mode;
/* inflate private state */
struct internal_state {
/* mode */
inflate_mode mode; /* current inflate mode */
/* mode dependent information */
union {
uInt method; /* if FLAGS, method byte */
struct {
uLong was; /* computed check value */
uLong need; /* stream check value */
} check; /* if CHECK, check values to compare */
uInt marker; /* if BAD, inflateSync's marker bytes count */
} sub; /* submode */
/* mode independent information */
int nowrap; /* flag for no wrapper */
uInt wbits; /* log2(window size) (8..15, defaults to 15) */
inflate_blocks_statef
*blocks; /* current inflate_blocks state */
};
int ZEXPORT inflateReset(z)
z_streamp z;
{
if (z == Z_NULL || z->state == Z_NULL)
return Z_STREAM_ERROR;
z->total_in = z->total_out = 0;
z->msg = Z_NULL;
z->state->mode = z->state->nowrap ? BLOCKS : METHOD;
inflate_blocks_reset(z->state->blocks, z, Z_NULL);
Tracev((stderr, "inflate: reset\n"));
return Z_OK;
}
int ZEXPORT inflateEnd(z)
z_streamp z;
{
if (z == Z_NULL || z->state == Z_NULL || z->zfree == Z_NULL)
return Z_STREAM_ERROR;
if (z->state->blocks != Z_NULL)
inflate_blocks_free(z->state->blocks, z);
ZFREE(z, z->state);
z->state = Z_NULL;
Tracev((stderr, "inflate: end\n"));
return Z_OK;
}
int ZEXPORT inflateInit2_(z, w, version, stream_size)
z_streamp z;
int w;
const char *version;
int stream_size;
{
if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
stream_size != sizeof(z_stream))
return Z_VERSION_ERROR;
/* initialize state */
if (z == Z_NULL)
return Z_STREAM_ERROR;
z->msg = Z_NULL;
if (z->zalloc == Z_NULL)
{
z->zalloc = zcalloc;
z->opaque = (voidpf)0;
}
if (z->zfree == Z_NULL) z->zfree = zcfree;
if ((z->state = (struct internal_state FAR *)
ZALLOC(z,1,sizeof(struct internal_state))) == Z_NULL)
return Z_MEM_ERROR;
z->state->blocks = Z_NULL;
/* handle undocumented nowrap option (no zlib header or check) */
z->state->nowrap = 0;
if (w < 0)
{
w = - w;
z->state->nowrap = 1;
}
/* set window size */
if (w < 8 || w > 15)
{
inflateEnd(z);
return Z_STREAM_ERROR;
}
z->state->wbits = (uInt)w;
/* create inflate_blocks state */
if ((z->state->blocks =
inflate_blocks_new(z, z->state->nowrap ? Z_NULL : adler32, (uInt)1 << w))
== Z_NULL)
{
inflateEnd(z);
return Z_MEM_ERROR;
}
Tracev((stderr, "inflate: allocated\n"));
/* reset state */
inflateReset(z);
return Z_OK;
}
int ZEXPORT inflateInit_(z, version, stream_size)
z_streamp z;
const char *version;
int stream_size;
{
return inflateInit2_(z, DEF_WBITS, version, stream_size);
}
#define NEEDBYTE {if(z->avail_in==0)return r;r=f;}
#define NEXTBYTE (z->avail_in--,z->total_in++,*z->next_in++)
int ZEXPORT inflate(z, f)
z_streamp z;
int f;
{
int r;
uInt b;
if (z == Z_NULL || z->state == Z_NULL || z->next_in == Z_NULL)
return Z_STREAM_ERROR;
f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK;
r = Z_BUF_ERROR;
while (1) switch (z->state->mode)
{
case METHOD:
NEEDBYTE
if (((z->state->sub.method = NEXTBYTE) & 0xf) != Z_DEFLATED)
{
z->state->mode = BAD;
z->msg = (char*)"unknown compression method";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
if ((z->state->sub.method >> 4) + 8 > z->state->wbits)
{
z->state->mode = BAD;
z->msg = (char*)"invalid window size";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
z->state->mode = FLAG;
case FLAG:
NEEDBYTE
b = NEXTBYTE;
if (((z->state->sub.method << 8) + b) % 31)
{
z->state->mode = BAD;
z->msg = (char*)"incorrect header check";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
Tracev((stderr, "inflate: zlib header ok\n"));
if (!(b & PRESET_DICT))
{
z->state->mode = BLOCKS;
break;
}
z->state->mode = DICT4;
case DICT4:
NEEDBYTE
z->state->sub.check.need = (uLong)NEXTBYTE << 24;
z->state->mode = DICT3;
case DICT3:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 16;
z->state->mode = DICT2;
case DICT2:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 8;
z->state->mode = DICT1;
case DICT1:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE;
z->adler = z->state->sub.check.need;
z->state->mode = DICT0;
return Z_NEED_DICT;
case DICT0:
z->state->mode = BAD;
z->msg = (char*)"need dictionary";
z->state->sub.marker = 0; /* can try inflateSync */
return Z_STREAM_ERROR;
case BLOCKS:
r = inflate_blocks(z->state->blocks, z, r);
if (r == Z_DATA_ERROR)
{
z->state->mode = BAD;
z->state->sub.marker = 0; /* can try inflateSync */
break;
}
if (r == Z_OK)
r = f;
if (r != Z_STREAM_END)
return r;
r = f;
inflate_blocks_reset(z->state->blocks, z, &z->state->sub.check.was);
if (z->state->nowrap)
{
z->state->mode = DONE;
break;
}
z->state->mode = CHECK4;
case CHECK4:
NEEDBYTE
z->state->sub.check.need = (uLong)NEXTBYTE << 24;
z->state->mode = CHECK3;
case CHECK3:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 16;
z->state->mode = CHECK2;
case CHECK2:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 8;
z->state->mode = CHECK1;
case CHECK1:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE;
if (z->state->sub.check.was != z->state->sub.check.need)
{
z->state->mode = BAD;
z->msg = (char*)"incorrect data check";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
Tracev((stderr, "inflate: zlib check ok\n"));
z->state->mode = DONE;
case DONE:
return Z_STREAM_END;
case BAD:
return Z_DATA_ERROR;
default:
return Z_STREAM_ERROR;
}
#ifdef NEED_DUMMY_RETURN
return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
#endif
}
int ZEXPORT inflateSetDictionary(z, dictionary, dictLength)
z_streamp z;
const Bytef *dictionary;
uInt dictLength;
{
uInt length = dictLength;
if (z == Z_NULL || z->state == Z_NULL || z->state->mode != DICT0)
return Z_STREAM_ERROR;
if (adler32(1L, dictionary, dictLength) != z->adler) return Z_DATA_ERROR;
z->adler = 1L;
if (length >= ((uInt)1<<z->state->wbits))
{
length = (1<<z->state->wbits)-1;
dictionary += dictLength - length;
}
inflate_set_dictionary(z->state->blocks, dictionary, length);
z->state->mode = BLOCKS;
return Z_OK;
}
int ZEXPORT inflateSync(z)
z_streamp z;
{
uInt n; /* number of bytes to look at */
Bytef *p; /* pointer to bytes */
uInt m; /* number of marker bytes found in a row */
uLong r, w; /* temporaries to save total_in and total_out */
/* set up */
if (z == Z_NULL || z->state == Z_NULL)
return Z_STREAM_ERROR;
if (z->state->mode != BAD)
{
z->state->mode = BAD;
z->state->sub.marker = 0;
}
if ((n = z->avail_in) == 0)
return Z_BUF_ERROR;
p = z->next_in;
m = z->state->sub.marker;
/* search */
while (n && m < 4)
{
static const Byte mark[4] = {0, 0, 0xff, 0xff};
if (*p == mark[m])
m++;
else if (*p)
m = 0;
else
m = 4 - m;
p++, n--;
}
/* restore */
z->total_in += p - z->next_in;
z->next_in = p;
z->avail_in = n;
z->state->sub.marker = m;
/* return no joy or set up to restart on a new block */
if (m != 4)
return Z_DATA_ERROR;
r = z->total_in; w = z->total_out;
inflateReset(z);
z->total_in = r; z->total_out = w;
z->state->mode = BLOCKS;
return Z_OK;
}
/* Returns true if inflate is currently at the end of a block generated
* by Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
* implementation to provide an additional safety check. PPP uses Z_SYNC_FLUSH
* but removes the length bytes of the resulting empty stored block. When
* decompressing, PPP checks that at the end of input packet, inflate is
* waiting for these length bytes.
*/
int ZEXPORT inflateSyncPoint(z)
z_streamp z;
{
if (z == Z_NULL || z->state == Z_NULL || z->state->blocks == Z_NULL)
return Z_STREAM_ERROR;
return inflate_blocks_sync_point(z->state->blocks);
}
versions/zlib-1.1.3/Source/zlib/INFTREES.C
+455
View File
@@ -0,0 +1,455 @@
/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#if !defined(BUILDFIXED) && !defined(STDC)
# define BUILDFIXED /* non ANSI compilers may not accept inffixed.h */
#endif
const char inflate_copyright[] =
" inflate 1.1.3 Copyright 1995-1998 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
include such an acknowledgment, I would appreciate that you keep this
copyright string in the executable of your product.
*/
struct internal_state {int dummy;}; /* for buggy compilers */
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
local int huft_build OF((
uIntf *, /* code lengths in bits */
uInt, /* number of codes */
uInt, /* number of "simple" codes */
const uIntf *, /* list of base values for non-simple codes */
const uIntf *, /* list of extra bits for non-simple codes */
inflate_huft * FAR*,/* result: starting table */
uIntf *, /* maximum lookup bits (returns actual) */
inflate_huft *, /* space for trees */
uInt *, /* hufts used in space */
uIntf * )); /* space for values */
/* Tables for deflate from PKZIP's appnote.txt. */
local const uInt cplens[31] = { /* Copy lengths for literal codes 257..285 */
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
/* see note #13 above about 258 */
local const uInt cplext[31] = { /* Extra bits for literal codes 257..285 */
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112}; /* 112==invalid */
local const uInt cpdist[30] = { /* Copy offsets for distance codes 0..29 */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577};
local const uInt cpdext[30] = { /* Extra bits for distance codes */
0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
12, 12, 13, 13};
/*
Huffman code decoding is performed using a multi-level table lookup.
The fastest way to decode is to simply build a lookup table whose
size is determined by the longest code. However, the time it takes
to build this table can also be a factor if the data being decoded
is not very long. The most common codes are necessarily the
shortest codes, so those codes dominate the decoding time, and hence
the speed. The idea is you can have a shorter table that decodes the
shorter, more probable codes, and then point to subsidiary tables for
the longer codes. The time it costs to decode the longer codes is
then traded against the time it takes to make longer tables.
This results of this trade are in the variables lbits and dbits
below. lbits is the number of bits the first level table for literal/
length codes can decode in one step, and dbits is the same thing for
the distance codes. Subsequent tables are also less than or equal to
those sizes. These values may be adjusted either when all of the
codes are shorter than that, in which case the longest code length in
bits is used, or when the shortest code is *longer* than the requested
table size, in which case the length of the shortest code in bits is
used.
There are two different values for the two tables, since they code a
different number of possibilities each. The literal/length table
codes 286 possible values, or in a flat code, a little over eight
bits. The distance table codes 30 possible values, or a little less
than five bits, flat. The optimum values for speed end up being
about one bit more than those, so lbits is 8+1 and dbits is 5+1.
The optimum values may differ though from machine to machine, and
possibly even between compilers. Your mileage may vary.
*/
/* If BMAX needs to be larger than 16, then h and x[] should be uLong. */
#define BMAX 15 /* maximum bit length of any code */
local int huft_build(b, n, s, d, e, t, m, hp, hn, v)
uIntf *b; /* code lengths in bits (all assumed <= BMAX) */
uInt n; /* number of codes (assumed <= 288) */
uInt s; /* number of simple-valued codes (0..s-1) */
const uIntf *d; /* list of base values for non-simple codes */
const uIntf *e; /* list of extra bits for non-simple codes */
inflate_huft * FAR *t; /* result: starting table */
uIntf *m; /* maximum lookup bits, returns actual */
inflate_huft *hp; /* space for trees */
uInt *hn; /* hufts used in space */
uIntf *v; /* working area: values in order of bit length */
/* Given a list of code lengths and a maximum table size, make a set of
tables to decode that set of codes. Return Z_OK on success, Z_BUF_ERROR
if the given code set is incomplete (the tables are still built in this
case), Z_DATA_ERROR if the input is invalid (an over-subscribed set of
lengths), or Z_MEM_ERROR if not enough memory. */
{
uInt a; /* counter for codes of length k */
uInt c[BMAX+1]; /* bit length count table */
uInt f; /* i repeats in table every f entries */
int g; /* maximum code length */
int h; /* table level */
register uInt i; /* counter, current code */
register uInt j; /* counter */
register int k; /* number of bits in current code */
int l; /* bits per table (returned in m) */
uInt mask; /* (1 << w) - 1, to avoid cc -O bug on HP */
register uIntf *p; /* pointer into c[], b[], or v[] */
inflate_huft *q; /* points to current table */
struct inflate_huft_s r; /* table entry for structure assignment */
inflate_huft *u[BMAX]; /* table stack */
register int w; /* bits before this table == (l * h) */
uInt x[BMAX+1]; /* bit offsets, then code stack */
uIntf *xp; /* pointer into x */
int y; /* number of dummy codes added */
uInt z; /* number of entries in current table */
/* Generate counts for each bit length */
p = c;
#define C0 *p++ = 0;
#define C2 C0 C0 C0 C0
#define C4 C2 C2 C2 C2
C4 /* clear c[]--assume BMAX+1 is 16 */
p = b; i = n;
do {
c[*p++]++; /* assume all entries <= BMAX */
} while (--i);
if (c[0] == n) /* null input--all zero length codes */
{
*t = (inflate_huft *)Z_NULL;
*m = 0;
return Z_OK;
}
/* Find minimum and maximum length, bound *m by those */
l = *m;
for (j = 1; j <= BMAX; j++)
if (c[j])
break;
k = j; /* minimum code length */
if ((uInt)l < j)
l = j;
for (i = BMAX; i; i--)
if (c[i])
break;
g = i; /* maximum code length */
if ((uInt)l > i)
l = i;
*m = l;
/* Adjust last length count to fill out codes, if needed */
for (y = 1 << j; j < i; j++, y <<= 1)
if ((y -= c[j]) < 0)
return Z_DATA_ERROR;
if ((y -= c[i]) < 0)
return Z_DATA_ERROR;
c[i] += y;
/* Generate starting offsets into the value table for each length */
x[1] = j = 0;
p = c + 1; xp = x + 2;
while (--i) { /* note that i == g from above */
*xp++ = (j += *p++);
}
/* Make a table of values in order of bit lengths */
p = b; i = 0;
do {
if ((j = *p++) != 0)
v[x[j]++] = i;
} while (++i < n);
n = x[g]; /* set n to length of v */
/* Generate the Huffman codes and for each, make the table entries */
x[0] = i = 0; /* first Huffman code is zero */
p = v; /* grab values in bit order */
h = -1; /* no tables yet--level -1 */
w = -l; /* bits decoded == (l * h) */
u[0] = (inflate_huft *)Z_NULL; /* just to keep compilers happy */
q = (inflate_huft *)Z_NULL; /* ditto */
z = 0; /* ditto */
/* go through the bit lengths (k already is bits in shortest code) */
for (; k <= g; k++)
{
a = c[k];
while (a--)
{
/* here i is the Huffman code of length k bits for value *p */
/* make tables up to required level */
while (k > w + l)
{
h++;
w += l; /* previous table always l bits */
/* compute minimum size table less than or equal to l bits */
z = g - w;
z = z > (uInt)l ? l : z; /* table size upper limit */
if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */
{ /* too few codes for k-w bit table */
f -= a + 1; /* deduct codes from patterns left */
xp = c + k;
if (j < z)
while (++j < z) /* try smaller tables up to z bits */
{
if ((f <<= 1) <= *++xp)
break; /* enough codes to use up j bits */
f -= *xp; /* else deduct codes from patterns */
}
}
z = 1 << j; /* table entries for j-bit table */
/* allocate new table */
if (*hn + z > MANY) /* (note: doesn't matter for fixed) */
return Z_MEM_ERROR; /* not enough memory */
u[h] = q = hp + *hn;
*hn += z;
/* connect to last table, if there is one */
if (h)
{
x[h] = i; /* save pattern for backing up */
r.bits = (Byte)l; /* bits to dump before this table */
r.exop = (Byte)j; /* bits in this table */
j = i >> (w - l);
r.base = (uInt)(q - u[h-1] - j); /* offset to this table */
u[h-1][j] = r; /* connect to last table */
}
else
*t = q; /* first table is returned result */
}
/* set up table entry in r */
r.bits = (Byte)(k - w);
if (p >= v + n)
r.exop = 128 + 64; /* out of values--invalid code */
else if (*p < s)
{
r.exop = (Byte)(*p < 256 ? 0 : 32 + 64); /* 256 is end-of-block */
r.base = *p++; /* simple code is just the value */
}
else
{
r.exop = (Byte)(e[*p - s] + 16 + 64);/* non-simple--look up in lists */
r.base = d[*p++ - s];
}
/* fill code-like entries with r */
f = 1 << (k - w);
for (j = i >> w; j < z; j += f)
q[j] = r;
/* backwards increment the k-bit code i */
for (j = 1 << (k - 1); i & j; j >>= 1)
i ^= j;
i ^= j;
/* backup over finished tables */
mask = (1 << w) - 1; /* needed on HP, cc -O bug */
while ((i & mask) != x[h])
{
h--; /* don't need to update q */
w -= l;
mask = (1 << w) - 1;
}
}
}
/* Return Z_BUF_ERROR if we were given an incomplete table */
return y != 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
}
int inflate_trees_bits(c, bb, tb, hp, z)
uIntf *c; /* 19 code lengths */
uIntf *bb; /* bits tree desired/actual depth */
inflate_huft * FAR *tb; /* bits tree result */
inflate_huft *hp; /* space for trees */
z_streamp z; /* for messages */
{
int r;
uInt hn = 0; /* hufts used in space */
uIntf *v; /* work area for huft_build */
if ((v = (uIntf*)ZALLOC(z, 19, sizeof(uInt))) == Z_NULL)
return Z_MEM_ERROR;
r = huft_build(c, 19, 19, (uIntf*)Z_NULL, (uIntf*)Z_NULL,
tb, bb, hp, &hn, v);
if (r == Z_DATA_ERROR)
z->msg = (char*)"oversubscribed dynamic bit lengths tree";
else if (r == Z_BUF_ERROR || *bb == 0)
{
z->msg = (char*)"incomplete dynamic bit lengths tree";
r = Z_DATA_ERROR;
}
ZFREE(z, v);
return r;
}
int inflate_trees_dynamic(nl, nd, c, bl, bd, tl, td, hp, z)
uInt nl; /* number of literal/length codes */
uInt nd; /* number of distance codes */
uIntf *c; /* that many (total) code lengths */
uIntf *bl; /* literal desired/actual bit depth */
uIntf *bd; /* distance desired/actual bit depth */
inflate_huft * FAR *tl; /* literal/length tree result */
inflate_huft * FAR *td; /* distance tree result */
inflate_huft *hp; /* space for trees */
z_streamp z; /* for messages */
{
int r;
uInt hn = 0; /* hufts used in space */
uIntf *v; /* work area for huft_build */
/* allocate work area */
if ((v = (uIntf*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
return Z_MEM_ERROR;
/* build literal/length tree */
r = huft_build(c, nl, 257, cplens, cplext, tl, bl, hp, &hn, v);
if (r != Z_OK || *bl == 0)
{
if (r == Z_DATA_ERROR)
z->msg = (char*)"oversubscribed literal/length tree";
else if (r != Z_MEM_ERROR)
{
z->msg = (char*)"incomplete literal/length tree";
r = Z_DATA_ERROR;
}
ZFREE(z, v);
return r;
}
/* build distance tree */
r = huft_build(c + nl, nd, 0, cpdist, cpdext, td, bd, hp, &hn, v);
if (r != Z_OK || (*bd == 0 && nl > 257))
{
if (r == Z_DATA_ERROR)
z->msg = (char*)"oversubscribed distance tree";
else if (r == Z_BUF_ERROR) {
#ifdef PKZIP_BUG_WORKAROUND
r = Z_OK;
}
#else
z->msg = (char*)"incomplete distance tree";
r = Z_DATA_ERROR;
}
else if (r != Z_MEM_ERROR)
{
z->msg = (char*)"empty distance tree with lengths";
r = Z_DATA_ERROR;
}
ZFREE(z, v);
return r;
#endif
}
/* done */
ZFREE(z, v);
return Z_OK;
}
/* build fixed tables only once--keep them here */
#ifdef BUILDFIXED
local int fixed_built = 0;
#define FIXEDH 544 /* number of hufts used by fixed tables */
local inflate_huft fixed_mem[FIXEDH];
local uInt fixed_bl;
local uInt fixed_bd;
local inflate_huft *fixed_tl;
local inflate_huft *fixed_td;
#else
#include "inffixed.h"
#endif
int inflate_trees_fixed(bl, bd, tl, td, z)
uIntf *bl; /* literal desired/actual bit depth */
uIntf *bd; /* distance desired/actual bit depth */
inflate_huft * FAR *tl; /* literal/length tree result */
inflate_huft * FAR *td; /* distance tree result */
z_streamp z; /* for memory allocation */
{
#ifdef BUILDFIXED
/* build fixed tables if not already */
if (!fixed_built)
{
int k; /* temporary variable */
uInt f = 0; /* number of hufts used in fixed_mem */
uIntf *c; /* length list for huft_build */
uIntf *v; /* work area for huft_build */
/* allocate memory */
if ((c = (uIntf*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
return Z_MEM_ERROR;
if ((v = (uIntf*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
{
ZFREE(z, c);
return Z_MEM_ERROR;
}
/* literal table */
for (k = 0; k < 144; k++)
c[k] = 8;
for (; k < 256; k++)
c[k] = 9;
for (; k < 280; k++)
c[k] = 7;
for (; k < 288; k++)
c[k] = 8;
fixed_bl = 9;
huft_build(c, 288, 257, cplens, cplext, &fixed_tl, &fixed_bl,
fixed_mem, &f, v);
/* distance table */
for (k = 0; k < 30; k++)
c[k] = 5;
fixed_bd = 5;
huft_build(c, 30, 0, cpdist, cpdext, &fixed_td, &fixed_bd,
fixed_mem, &f, v);
/* done */
ZFREE(z, v);
ZFREE(z, c);
fixed_built = 1;
}
#endif
*bl = fixed_bl;
*bd = fixed_bd;
*tl = fixed_tl;
*td = fixed_td;
return Z_OK;
}
versions/zlib-1.1.3/Source/zlib/INFTREES.H
+58
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/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* Huffman code lookup table entry--this entry is four bytes for machines
that have 16-bit pointers (e.g. PC's in the small or medium model). */
typedef struct inflate_huft_s FAR inflate_huft;
struct inflate_huft_s {
union {
struct {
Byte Exop; /* number of extra bits or operation */
Byte Bits; /* number of bits in this code or subcode */
} what;
uInt pad; /* pad structure to a power of 2 (4 bytes for */
} word; /* 16-bit, 8 bytes for 32-bit int's) */
uInt base; /* literal, length base, distance base,
or table offset */
};
/* Maximum size of dynamic tree. The maximum found in a long but non-
exhaustive search was 1004 huft structures (850 for length/literals
and 154 for distances, the latter actually the result of an
exhaustive search). The actual maximum is not known, but the
value below is more than safe. */
#define MANY 1440
extern int inflate_trees_bits OF((
uIntf *, /* 19 code lengths */
uIntf *, /* bits tree desired/actual depth */
inflate_huft * FAR *, /* bits tree result */
inflate_huft *, /* space for trees */
z_streamp)); /* for messages */
extern int inflate_trees_dynamic OF((
uInt, /* number of literal/length codes */
uInt, /* number of distance codes */
uIntf *, /* that many (total) code lengths */
uIntf *, /* literal desired/actual bit depth */
uIntf *, /* distance desired/actual bit depth */
inflate_huft * FAR *, /* literal/length tree result */
inflate_huft * FAR *, /* distance tree result */
inflate_huft *, /* space for trees */
z_streamp)); /* for messages */
extern int inflate_trees_fixed OF((
uIntf *, /* literal desired/actual bit depth */
uIntf *, /* distance desired/actual bit depth */
inflate_huft * FAR *, /* literal/length tree result */
inflate_huft * FAR *, /* distance tree result */
z_streamp)); /* for memory allocation */
versions/zlib-1.1.3/Source/zlib/INFUTIL.C
+87
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@@ -0,0 +1,87 @@
/* inflate_util.c -- data and routines common to blocks and codes
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "infblock.h"
#include "inftrees.h"
#include "infcodes.h"
#include "infutil.h"
struct inflate_codes_state {int dummy;}; /* for buggy compilers */
/* And'ing with mask[n] masks the lower n bits */
uInt inflate_mask[17] = {
0x0000,
0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
};
/* copy as much as possible from the sliding window to the output area */
int inflate_flush(s, z, r)
inflate_blocks_statef *s;
z_streamp z;
int r;
{
uInt n;
Bytef *p;
Bytef *q;
/* local copies of source and destination pointers */
p = z->next_out;
q = s->read;
/* compute number of bytes to copy as far as end of window */
n = (uInt)((q <= s->write ? s->write : s->end) - q);
if (n > z->avail_out) n = z->avail_out;
if (n && r == Z_BUF_ERROR) r = Z_OK;
/* update counters */
z->avail_out -= n;
z->total_out += n;
/* update check information */
if (s->checkfn != Z_NULL)
z->adler = s->check = (*s->checkfn)(s->check, q, n);
/* copy as far as end of window */
zmemcpy(p, q, n);
p += n;
q += n;
/* see if more to copy at beginning of window */
if (q == s->end)
{
/* wrap pointers */
q = s->window;
if (s->write == s->end)
s->write = s->window;
/* compute bytes to copy */
n = (uInt)(s->write - q);
if (n > z->avail_out) n = z->avail_out;
if (n && r == Z_BUF_ERROR) r = Z_OK;
/* update counters */
z->avail_out -= n;
z->total_out += n;
/* update check information */
if (s->checkfn != Z_NULL)
z->adler = s->check = (*s->checkfn)(s->check, q, n);
/* copy */
zmemcpy(p, q, n);
p += n;
q += n;
}
/* update pointers */
z->next_out = p;
s->read = q;
/* done */
return r;
}
versions/zlib-1.1.3/Source/zlib/INFUTIL.H
+98
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/* infutil.h -- types and macros common to blocks and codes
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
#ifndef _INFUTIL_H
#define _INFUTIL_H
typedef enum {
TYPE, /* get type bits (3, including end bit) */
LENS, /* get lengths for stored */
STORED, /* processing stored block */
TABLE, /* get table lengths */
BTREE, /* get bit lengths tree for a dynamic block */
DTREE, /* get length, distance trees for a dynamic block */
CODES, /* processing fixed or dynamic block */
DRY, /* output remaining window bytes */
DONE, /* finished last block, done */
BAD} /* got a data error--stuck here */
inflate_block_mode;
/* inflate blocks semi-private state */
struct inflate_blocks_state {
/* mode */
inflate_block_mode mode; /* current inflate_block mode */
/* mode dependent information */
union {
uInt left; /* if STORED, bytes left to copy */
struct {
uInt table; /* table lengths (14 bits) */
uInt index; /* index into blens (or border) */
uIntf *blens; /* bit lengths of codes */
uInt bb; /* bit length tree depth */
inflate_huft *tb; /* bit length decoding tree */
} trees; /* if DTREE, decoding info for trees */
struct {
inflate_codes_statef
*codes;
} decode; /* if CODES, current state */
} sub; /* submode */
uInt last; /* true if this block is the last block */
/* mode independent information */
uInt bitk; /* bits in bit buffer */
uLong bitb; /* bit buffer */
inflate_huft *hufts; /* single malloc for tree space */
Bytef *window; /* sliding window */
Bytef *end; /* one byte after sliding window */
Bytef *read; /* window read pointer */
Bytef *write; /* window write pointer */
check_func checkfn; /* check function */
uLong check; /* check on output */
};
/* defines for inflate input/output */
/* update pointers and return */
#define UPDBITS {s->bitb=b;s->bitk=k;}
#define UPDIN {z->avail_in=n;z->total_in+=p-z->next_in;z->next_in=p;}
#define UPDOUT {s->write=q;}
#define UPDATE {UPDBITS UPDIN UPDOUT}
#define LEAVE {UPDATE return inflate_flush(s,z,r);}
/* get bytes and bits */
#define LOADIN {p=z->next_in;n=z->avail_in;b=s->bitb;k=s->bitk;}
#define NEEDBYTE {if(n)r=Z_OK;else LEAVE}
#define NEXTBYTE (n--,*p++)
#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
#define DUMPBITS(j) {b>>=(j);k-=(j);}
/* output bytes */
#define WAVAIL (uInt)(q<s->read?s->read-q-1:s->end-q)
#define LOADOUT {q=s->write;m=(uInt)WAVAIL;}
#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=(uInt)WAVAIL;}}
#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
/* load local pointers */
#define LOAD {LOADIN LOADOUT}
/* masks for lower bits (size given to avoid silly warnings with Visual C++) */
extern uInt inflate_mask[17];
/* copy as much as possible from the sliding window to the output area */
extern int inflate_flush OF((
inflate_blocks_statef *,
z_streamp ,
int));
struct internal_state {int dummy;}; /* for buggy compilers */
#endif
versions/zlib-1.1.3/Source/zlib/UNZIP.H
+275
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@@ -0,0 +1,275 @@
/* unzip.h -- IO for uncompress .zip files using zlib
Version 0.15 beta, Mar 19th, 1998,
Copyright (C) 1998 Gilles Vollant
This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Encryption and multi volume ZipFile (span) are not supported.
Old compressions used by old PKZip 1.x are not supported
THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE
CAN CHANGE IN FUTURE VERSION !!
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/* for more info about .ZIP format, see
ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip */
#ifndef _unz_H
#define _unz_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#include "zlib.h"
#endif
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
#else
typedef voidp unzFile;
#endif
#define UNZ_OK (0)
#define UNZ_END_OF_LIST_OF_FILE (-100)
#define UNZ_ERRNO (Z_ERRNO)
#define UNZ_EOF (0)
#define UNZ_PARAMERROR (-102)
#define UNZ_BADZIPFILE (-103)
#define UNZ_INTERNALERROR (-104)
#define UNZ_CRCERROR (-105)
/* tm_unz contain date/time info */
typedef struct tm_unz_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_unz;
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
} unz_file_info;
extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
const char* fileName2,
int iCaseSensitivity));
/*
Compare two filename (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
*/
extern unzFile ZEXPORT unzOpen OF((const char *path));
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows NT computer "c:\\zlib\\zlib111.zip" or on an Unix computer
"zlib/zlib111.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
of this unzip package.
*/
extern int ZEXPORT unzClose OF((unzFile file));
/*
Close a ZipFile opened with unzipOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
unz_global_info *pglobal_info));
/*
Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
char *szComment,
uLong uSizeBuf));
/*
Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer.
return the number of byte copied or an error code <0
*/
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
/*
Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem
*/
extern int ZEXPORT unzGoToNextFile OF((unzFile file));
/*
Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/
extern int ZEXPORT unzLocateFile OF((unzFile file,
const char *szFileName,
int iCaseSensitivity));
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
return value :
UNZ_OK if the file is found. It becomes the current file.
UNZ_END_OF_LIST_OF_FILE if the file is not found
*/
extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
unz_file_info *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize));
/*
Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain somes info about
the current file
if szFileName!=NULL, the filemane string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer).
This is the Central-header version of the extra field
if szComment!=NULL, the comment string of the file will be copied in szComment
(commentBufferSize is the size of the buffer)
*/
/***************************************************************************/
/* for reading the content of the current zipfile, you can open it, read data
from it, and close it (you can close it before reading all the file)
*/
extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
/*
Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
/*
Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/
extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
voidp buf,
unsigned len));
/*
Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied
len the size of buf.
return the number of byte copied if somes bytes are copied
return 0 if the end of file was reached
return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/
extern z_off_t ZEXPORT unztell OF((unzFile file));
/*
Give the current position in uncompressed data
*/
extern int ZEXPORT unzeof OF((unzFile file));
/*
return 1 if the end of file was reached, 0 elsewhere
*/
extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
voidp buf,
unsigned len));
/*
Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is
more info in the local-header version than in the central-header)
if buf==NULL, it return the size of the local extra field
if buf!=NULL, len is the size of the buffer, the extra header is copied in
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
#ifdef __cplusplus
}
#endif
#endif /* _unz_H */
versions/zlib-1.1.3/Source/zlib/Unzip.c
+1295
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versions/zlib-1.1.3/Source/zlib/ZCONF.H
+279
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/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: ZCONF.H,v 1.1.1.1 2002/08/02 09:59:42 kichik Exp $ */
#ifndef _ZCONF_H
#define _ZCONF_H
/*
* If you *really* need a unique prefix for all types and library functions,
* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
*/
#ifdef Z_PREFIX
# define deflateInit_ z_deflateInit_
# define deflate z_deflate
# define deflateEnd z_deflateEnd
# define inflateInit_ z_inflateInit_
# define inflate z_inflate
# define inflateEnd z_inflateEnd
# define deflateInit2_ z_deflateInit2_
# define deflateSetDictionary z_deflateSetDictionary
# define deflateCopy z_deflateCopy
# define deflateReset z_deflateReset
# define deflateParams z_deflateParams
# define inflateInit2_ z_inflateInit2_
# define inflateSetDictionary z_inflateSetDictionary
# define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint
# define inflateReset z_inflateReset
# define compress z_compress
# define compress2 z_compress2
# define uncompress z_uncompress
# define adler32 z_adler32
# define crc32 z_crc32
# define get_crc_table z_get_crc_table
# define Byte z_Byte
# define uInt z_uInt
# define uLong z_uLong
# define Bytef z_Bytef
# define charf z_charf
# define intf z_intf
# define uIntf z_uIntf
# define uLongf z_uLongf
# define voidpf z_voidpf
# define voidp z_voidp
#endif
#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
# define WIN32
#endif
#if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386)
# ifndef __32BIT__
# define __32BIT__
# endif
#endif
#if defined(__MSDOS__) && !defined(MSDOS)
# define MSDOS
#endif
/*
* Compile with -DMAXSEG_64K if the alloc function cannot allocate more
* than 64k bytes at a time (needed on systems with 16-bit int).
*/
#if defined(MSDOS) && !defined(__32BIT__)
# define MAXSEG_64K
#endif
#ifdef MSDOS
# define UNALIGNED_OK
#endif
#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC)
# define STDC
#endif
#if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
# ifndef STDC
# define STDC
# endif
#endif
#ifndef STDC
# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
# define const
# endif
#endif
/* Some Mac compilers merge all .h files incorrectly: */
#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
# define NO_DUMMY_DECL
#endif
/* Old Borland C incorrectly complains about missing returns: */
#if defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
# define NEED_DUMMY_RETURN
#endif
/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
# ifdef MAXSEG_64K
# define MAX_MEM_LEVEL 8
# else
# define MAX_MEM_LEVEL 9
# endif
#endif
/* Maximum value for windowBits in deflateInit2 and inflateInit2.
* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
* created by gzip. (Files created by minigzip can still be extracted by
* gzip.)
*/
#ifndef MAX_WBITS
# define MAX_WBITS 15 /* 32K LZ77 window */
#endif
/* The memory requirements for deflate are (in bytes):
(1 << (windowBits+2)) + (1 << (memLevel+9))
that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
plus a few kilobytes for small objects. For example, if you want to reduce
the default memory requirements from 256K to 128K, compile with
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus a few kilobytes
for small objects.
*/
/* Type declarations */
#ifndef OF /* function prototypes */
# ifdef STDC
# define OF(args) args
# else
# define OF(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
* to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
* just define FAR to be empty.
*/
#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
/* MSC small or medium model */
# define SMALL_MEDIUM
# ifdef _MSC_VER
# define FAR _far
# else
# define FAR far
# endif
#endif
#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
# ifndef __32BIT__
# define SMALL_MEDIUM
# define FAR _far
# endif
#endif
/* Compile with -DZLIB_DLL for Windows DLL support */
#if defined(ZLIB_DLL)
# if defined(_WINDOWS) || defined(WINDOWS)
# ifdef FAR
# undef FAR
# endif
# include <windows.h>
# define ZEXPORT WINAPI
# ifdef WIN32
# define ZEXPORTVA WINAPIV
# else
# define ZEXPORTVA FAR _cdecl _export
# endif
# endif
# if defined (__BORLANDC__)
# if (__BORLANDC__ >= 0x0500) && defined (WIN32)
# include <windows.h>
# define ZEXPORT __declspec(dllexport) WINAPI
# define ZEXPORTRVA __declspec(dllexport) WINAPIV
# else
# if defined (_Windows) && defined (__DLL__)
# define ZEXPORT _export
# define ZEXPORTVA _export
# endif
# endif
# endif
#endif
#if defined (__BEOS__)
# if defined (ZLIB_DLL)
# define ZEXTERN extern __declspec(dllexport)
# else
# define ZEXTERN extern __declspec(dllimport)
# endif
#endif
#ifndef ZEXPORT
# define ZEXPORT
#endif
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
#ifndef FAR
# define FAR
#endif
#if !defined(MACOS) && !defined(TARGET_OS_MAC)
typedef unsigned char Byte; /* 8 bits */
#endif
typedef unsigned int uInt; /* 16 bits or more */
typedef unsigned long uLong; /* 32 bits or more */
#ifdef SMALL_MEDIUM
/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
# define Bytef Byte FAR
#else
typedef Byte FAR Bytef;
#endif
typedef char FAR charf;
typedef int FAR intf;
typedef uInt FAR uIntf;
typedef uLong FAR uLongf;
#ifdef STDC
typedef void FAR *voidpf;
typedef void *voidp;
#else
typedef Byte FAR *voidpf;
typedef Byte *voidp;
#endif
#ifdef HAVE_UNISTD_H
# include <sys/types.h> /* for off_t */
# include <unistd.h> /* for SEEK_* and off_t */
# define z_off_t off_t
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
# pragma map(deflateInit_,"DEIN")
# pragma map(deflateInit2_,"DEIN2")
# pragma map(deflateEnd,"DEEND")
# pragma map(inflateInit_,"ININ")
# pragma map(inflateInit2_,"ININ2")
# pragma map(inflateEnd,"INEND")
# pragma map(inflateSync,"INSY")
# pragma map(inflateSetDictionary,"INSEDI")
# pragma map(inflate_blocks,"INBL")
# pragma map(inflate_blocks_new,"INBLNE")
# pragma map(inflate_blocks_free,"INBLFR")
# pragma map(inflate_blocks_reset,"INBLRE")
# pragma map(inflate_codes_free,"INCOFR")
# pragma map(inflate_codes,"INCO")
# pragma map(inflate_fast,"INFA")
# pragma map(inflate_flush,"INFLU")
# pragma map(inflate_mask,"INMA")
# pragma map(inflate_set_dictionary,"INSEDI2")
# pragma map(inflate_copyright,"INCOPY")
# pragma map(inflate_trees_bits,"INTRBI")
# pragma map(inflate_trees_dynamic,"INTRDY")
# pragma map(inflate_trees_fixed,"INTRFI")
# pragma map(inflate_trees_free,"INTRFR")
#endif
#endif /* _ZCONF_H */
versions/zlib-1.1.3/Source/zlib/ZLIB.H
+893
View File
@@ -0,0 +1,893 @@
/* zlib.h -- interface of the 'zlib' general purpose compression library
version 1.1.3, July 9th, 1998
Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jean-loup Gailly Mark Adler
jloup@gzip.org madler@alumni.caltech.edu
The data format used by the zlib library is described by RFCs (Request for
Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt
(zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).
*/
#ifndef _ZLIB_H
#define _ZLIB_H
#include "zconf.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ZLIB_VERSION "1.1.3"
/*
The 'zlib' compression library provides in-memory compression and
decompression functions, including integrity checks of the uncompressed
data. This version of the library supports only one compression method
(deflation) but other algorithms will be added later and will have the same
stream interface.
Compression can be done in a single step if the buffers are large
enough (for example if an input file is mmap'ed), or can be done by
repeated calls of the compression function. In the latter case, the
application must provide more input and/or consume the output
(providing more output space) before each call.
The library also supports reading and writing files in gzip (.gz) format
with an interface similar to that of stdio.
The library does not install any signal handler. The decoder checks
the consistency of the compressed data, so the library should never
crash even in case of corrupted input.
*/
typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
typedef void (*free_func) OF((voidpf opaque, voidpf address));
struct internal_state;
typedef struct z_stream_s {
Bytef *next_in; /* next input byte */
uInt avail_in; /* number of bytes available at next_in */
uLong total_in; /* total nb of input bytes read so far */
Bytef *next_out; /* next output byte should be put there */
uInt avail_out; /* remaining free space at next_out */
uLong total_out; /* total nb of bytes output so far */
char *msg; /* last error message, NULL if no error */
struct internal_state FAR *state; /* not visible by applications */
alloc_func zalloc; /* used to allocate the internal state */
free_func zfree; /* used to free the internal state */
voidpf opaque; /* private data object passed to zalloc and zfree */
int data_type; /* best guess about the data type: ascii or binary */
uLong adler; /* adler32 value of the uncompressed data */
uLong reserved; /* reserved for future use */
} z_stream;
typedef z_stream FAR *z_streamp;
/*
The application must update next_in and avail_in when avail_in has
dropped to zero. It must update next_out and avail_out when avail_out
has dropped to zero. The application must initialize zalloc, zfree and
opaque before calling the init function. All other fields are set by the
compression library and must not be updated by the application.
The opaque value provided by the application will be passed as the first
parameter for calls of zalloc and zfree. This can be useful for custom
memory management. The compression library attaches no meaning to the
opaque value.
zalloc must return Z_NULL if there is not enough memory for the object.
If zlib is used in a multi-threaded application, zalloc and zfree must be
thread safe.
On 16-bit systems, the functions zalloc and zfree must be able to allocate
exactly 65536 bytes, but will not be required to allocate more than this
if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
pointers returned by zalloc for objects of exactly 65536 bytes *must*
have their offset normalized to zero. The default allocation function
provided by this library ensures this (see zutil.c). To reduce memory
requirements and avoid any allocation of 64K objects, at the expense of
compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
The fields total_in and total_out can be used for statistics or
progress reports. After compression, total_in holds the total size of
the uncompressed data and may be saved for use in the decompressor
(particularly if the decompressor wants to decompress everything in
a single step).
*/
/* constants */
#define Z_NO_FLUSH 0
#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
#define Z_SYNC_FLUSH 2
#define Z_FULL_FLUSH 3
#define Z_FINISH 4
/* Allowed flush values; see deflate() below for details */
#define Z_OK 0
#define Z_STREAM_END 1
#define Z_NEED_DICT 2
#define Z_ERRNO (-1)
#define Z_STREAM_ERROR (-2)
#define Z_DATA_ERROR (-3)
#define Z_MEM_ERROR (-4)
#define Z_BUF_ERROR (-5)
#define Z_VERSION_ERROR (-6)
/* Return codes for the compression/decompression functions. Negative
* values are errors, positive values are used for special but normal events.
*/
#define Z_NO_COMPRESSION 0
#define Z_BEST_SPEED 1
#define Z_BEST_COMPRESSION 9
#define Z_DEFAULT_COMPRESSION (-1)
/* compression levels */
#define Z_FILTERED 1
#define Z_HUFFMAN_ONLY 2
#define Z_DEFAULT_STRATEGY 0
/* compression strategy; see deflateInit2() below for details */
#define Z_BINARY 0
#define Z_ASCII 1
#define Z_UNKNOWN 2
/* Possible values of the data_type field */
#define Z_DEFLATED 8
/* The deflate compression method (the only one supported in this version) */
#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
#define zlib_version zlibVersion()
/* for compatibility with versions < 1.0.2 */
/* basic functions */
ZEXTERN const char * ZEXPORT zlibVersion OF((void));
/* The application can compare zlibVersion and ZLIB_VERSION for consistency.
If the first character differs, the library code actually used is
not compatible with the zlib.h header file used by the application.
This check is automatically made by deflateInit and inflateInit.
*/
/*
ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level));
Initializes the internal stream state for compression. The fields
zalloc, zfree and opaque must be initialized before by the caller.
If zalloc and zfree are set to Z_NULL, deflateInit updates them to
use default allocation functions.
The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9:
1 gives best speed, 9 gives best compression, 0 gives no compression at
all (the input data is simply copied a block at a time).
Z_DEFAULT_COMPRESSION requests a default compromise between speed and
compression (currently equivalent to level 6).
deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_STREAM_ERROR if level is not a valid compression level,
Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible
with the version assumed by the caller (ZLIB_VERSION).
msg is set to null if there is no error message. deflateInit does not
perform any compression: this will be done by deflate().
*/
ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
/*
deflate compresses as much data as possible, and stops when the input
buffer becomes empty or the output buffer becomes full. It may introduce some
output latency (reading input without producing any output) except when
forced to flush.
The detailed semantics are as follows. deflate performs one or both of the
following actions:
- Compress more input starting at next_in and update next_in and avail_in
accordingly. If not all input can be processed (because there is not
enough room in the output buffer), next_in and avail_in are updated and
processing will resume at this point for the next call of deflate().
- Provide more output starting at next_out and update next_out and avail_out
accordingly. This action is forced if the parameter flush is non zero.
Forcing flush frequently degrades the compression ratio, so this parameter
should be set only when necessary (in interactive applications).
Some output may be provided even if flush is not set.
Before the call of deflate(), the application should ensure that at least
one of the actions is possible, by providing more input and/or consuming
more output, and updating avail_in or avail_out accordingly; avail_out
should never be zero before the call. The application can consume the
compressed output when it wants, for example when the output buffer is full
(avail_out == 0), or after each call of deflate(). If deflate returns Z_OK
and with zero avail_out, it must be called again after making room in the
output buffer because there might be more output pending.
If the parameter flush is set to Z_SYNC_FLUSH, all pending output is
flushed to the output buffer and the output is aligned on a byte boundary, so
that the decompressor can get all input data available so far. (In particular
avail_in is zero after the call if enough output space has been provided
before the call.) Flushing may degrade compression for some compression
algorithms and so it should be used only when necessary.
If flush is set to Z_FULL_FLUSH, all output is flushed as with
Z_SYNC_FLUSH, and the compression state is reset so that decompression can
restart from this point if previous compressed data has been damaged or if
random access is desired. Using Z_FULL_FLUSH too often can seriously degrade
the compression.
If deflate returns with avail_out == 0, this function must be called again
with the same value of the flush parameter and more output space (updated
avail_out), until the flush is complete (deflate returns with non-zero
avail_out).
If the parameter flush is set to Z_FINISH, pending input is processed,
pending output is flushed and deflate returns with Z_STREAM_END if there
was enough output space; if deflate returns with Z_OK, this function must be
called again with Z_FINISH and more output space (updated avail_out) but no
more input data, until it returns with Z_STREAM_END or an error. After
deflate has returned Z_STREAM_END, the only possible operations on the
stream are deflateReset or deflateEnd.
Z_FINISH can be used immediately after deflateInit if all the compression
is to be done in a single step. In this case, avail_out must be at least
0.1% larger than avail_in plus 12 bytes. If deflate does not return
Z_STREAM_END, then it must be called again as described above.
deflate() sets strm->adler to the adler32 checksum of all input read
so far (that is, total_in bytes).
deflate() may update data_type if it can make a good guess about
the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered
binary. This field is only for information purposes and does not affect
the compression algorithm in any manner.
deflate() returns Z_OK if some progress has been made (more input
processed or more output produced), Z_STREAM_END if all input has been
consumed and all output has been produced (only when flush is set to
Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example
if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible
(for example avail_in or avail_out was zero).
*/
ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm));
/*
All dynamically allocated data structures for this stream are freed.
This function discards any unprocessed input and does not flush any
pending output.
deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the
stream state was inconsistent, Z_DATA_ERROR if the stream was freed
prematurely (some input or output was discarded). In the error case,
msg may be set but then points to a static string (which must not be
deallocated).
*/
/*
ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
Initializes the internal stream state for decompression. The fields
next_in, avail_in, zalloc, zfree and opaque must be initialized before by
the caller. If next_in is not Z_NULL and avail_in is large enough (the exact
value depends on the compression method), inflateInit determines the
compression method from the zlib header and allocates all data structures
accordingly; otherwise the allocation will be deferred to the first call of
inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to
use default allocation functions.
inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
version assumed by the caller. msg is set to null if there is no error
message. inflateInit does not perform any decompression apart from reading
the zlib header if present: this will be done by inflate(). (So next_in and
avail_in may be modified, but next_out and avail_out are unchanged.)
*/
ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
/*
inflate decompresses as much data as possible, and stops when the input
buffer becomes empty or the output buffer becomes full. It may some
introduce some output latency (reading input without producing any output)
except when forced to flush.
The detailed semantics are as follows. inflate performs one or both of the
following actions:
- Decompress more input starting at next_in and update next_in and avail_in
accordingly. If not all input can be processed (because there is not
enough room in the output buffer), next_in is updated and processing
will resume at this point for the next call of inflate().
- Provide more output starting at next_out and update next_out and avail_out
accordingly. inflate() provides as much output as possible, until there
is no more input data or no more space in the output buffer (see below
about the flush parameter).
Before the call of inflate(), the application should ensure that at least
one of the actions is possible, by providing more input and/or consuming
more output, and updating the next_* and avail_* values accordingly.
The application can consume the uncompressed output when it wants, for
example when the output buffer is full (avail_out == 0), or after each
call of inflate(). If inflate returns Z_OK and with zero avail_out, it
must be called again after making room in the output buffer because there
might be more output pending.
If the parameter flush is set to Z_SYNC_FLUSH, inflate flushes as much
output as possible to the output buffer. The flushing behavior of inflate is
not specified for values of the flush parameter other than Z_SYNC_FLUSH
and Z_FINISH, but the current implementation actually flushes as much output
as possible anyway.
inflate() should normally be called until it returns Z_STREAM_END or an
error. However if all decompression is to be performed in a single step
(a single call of inflate), the parameter flush should be set to
Z_FINISH. In this case all pending input is processed and all pending
output is flushed; avail_out must be large enough to hold all the
uncompressed data. (The size of the uncompressed data may have been saved
by the compressor for this purpose.) The next operation on this stream must
be inflateEnd to deallocate the decompression state. The use of Z_FINISH
is never required, but can be used to inform inflate that a faster routine
may be used for the single inflate() call.
If a preset dictionary is needed at this point (see inflateSetDictionary
below), inflate sets strm-adler to the adler32 checksum of the
dictionary chosen by the compressor and returns Z_NEED_DICT; otherwise
it sets strm->adler to the adler32 checksum of all output produced
so far (that is, total_out bytes) and returns Z_OK, Z_STREAM_END or
an error code as described below. At the end of the stream, inflate()
checks that its computed adler32 checksum is equal to that saved by the
compressor and returns Z_STREAM_END only if the checksum is correct.
inflate() returns Z_OK if some progress has been made (more input processed
or more output produced), Z_STREAM_END if the end of the compressed data has
been reached and all uncompressed output has been produced, Z_NEED_DICT if a
preset dictionary is needed at this point, Z_DATA_ERROR if the input data was
corrupted (input stream not conforming to the zlib format or incorrect
adler32 checksum), Z_STREAM_ERROR if the stream structure was inconsistent
(for example if next_in or next_out was NULL), Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if no progress is possible or if there was not
enough room in the output buffer when Z_FINISH is used. In the Z_DATA_ERROR
case, the application may then call inflateSync to look for a good
compression block.
*/
ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
/*
All dynamically allocated data structures for this stream are freed.
This function discards any unprocessed input and does not flush any
pending output.
inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
was inconsistent. In the error case, msg may be set but then points to a
static string (which must not be deallocated).
*/
/* Advanced functions */
/*
The following functions are needed only in some special applications.
*/
/*
ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm,
int level,
int method,
int windowBits,
int memLevel,
int strategy));
This is another version of deflateInit with more compression options. The
fields next_in, zalloc, zfree and opaque must be initialized before by
the caller.
The method parameter is the compression method. It must be Z_DEFLATED in
this version of the library.
The windowBits parameter is the base two logarithm of the window size
(the size of the history buffer). It should be in the range 8..15 for this
version of the library. Larger values of this parameter result in better
compression at the expense of memory usage. The default value is 15 if
deflateInit is used instead.
The memLevel parameter specifies how much memory should be allocated
for the internal compression state. memLevel=1 uses minimum memory but
is slow and reduces compression ratio; memLevel=9 uses maximum memory
for optimal speed. The default value is 8. See zconf.h for total memory
usage as a function of windowBits and memLevel.
The strategy parameter is used to tune the compression algorithm. Use the
value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a
filter (or predictor), or Z_HUFFMAN_ONLY to force Huffman encoding only (no
string match). Filtered data consists mostly of small values with a
somewhat random distribution. In this case, the compression algorithm is
tuned to compress them better. The effect of Z_FILTERED is to force more
Huffman coding and less string matching; it is somewhat intermediate
between Z_DEFAULT and Z_HUFFMAN_ONLY. The strategy parameter only affects
the compression ratio but not the correctness of the compressed output even
if it is not set appropriately.
deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid
method). msg is set to null if there is no error message. deflateInit2 does
not perform any compression: this will be done by deflate().
*/
ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm,
const Bytef *dictionary,
uInt dictLength));
/*
Initializes the compression dictionary from the given byte sequence
without producing any compressed output. This function must be called
immediately after deflateInit, deflateInit2 or deflateReset, before any
call of deflate. The compressor and decompressor must use exactly the same
dictionary (see inflateSetDictionary).
The dictionary should consist of strings (byte sequences) that are likely
to be encountered later in the data to be compressed, with the most commonly
used strings preferably put towards the end of the dictionary. Using a
dictionary is most useful when the data to be compressed is short and can be
predicted with good accuracy; the data can then be compressed better than
with the default empty dictionary.
Depending on the size of the compression data structures selected by
deflateInit or deflateInit2, a part of the dictionary may in effect be
discarded, for example if the dictionary is larger than the window size in
deflate or deflate2. Thus the strings most likely to be useful should be
put at the end of the dictionary, not at the front.
Upon return of this function, strm->adler is set to the Adler32 value
of the dictionary; the decompressor may later use this value to determine
which dictionary has been used by the compressor. (The Adler32 value
applies to the whole dictionary even if only a subset of the dictionary is
actually used by the compressor.)
deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a
parameter is invalid (such as NULL dictionary) or the stream state is
inconsistent (for example if deflate has already been called for this stream
or if the compression method is bsort). deflateSetDictionary does not
perform any compression: this will be done by deflate().
*/
ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest,
z_streamp source));
/*
Sets the destination stream as a complete copy of the source stream.
This function can be useful when several compression strategies will be
tried, for example when there are several ways of pre-processing the input
data with a filter. The streams that will be discarded should then be freed
by calling deflateEnd. Note that deflateCopy duplicates the internal
compression state which can be quite large, so this strategy is slow and
can consume lots of memory.
deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_STREAM_ERROR if the source stream state was inconsistent
(such as zalloc being NULL). msg is left unchanged in both source and
destination.
*/
ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm));
/*
This function is equivalent to deflateEnd followed by deflateInit,
but does not free and reallocate all the internal compression state.
The stream will keep the same compression level and any other attributes
that may have been set by deflateInit2.
deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
stream state was inconsistent (such as zalloc or state being NULL).
*/
ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
int level,
int strategy));
/*
Dynamically update the compression level and compression strategy. The
interpretation of level and strategy is as in deflateInit2. This can be
used to switch between compression and straight copy of the input data, or
to switch to a different kind of input data requiring a different
strategy. If the compression level is changed, the input available so far
is compressed with the old level (and may be flushed); the new level will
take effect only at the next call of deflate().
Before the call of deflateParams, the stream state must be set as for
a call of deflate(), since the currently available input may have to
be compressed and flushed. In particular, strm->avail_out must be non-zero.
deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source
stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR
if strm->avail_out was zero.
*/
/*
ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
int windowBits));
This is another version of inflateInit with an extra parameter. The
fields next_in, avail_in, zalloc, zfree and opaque must be initialized
before by the caller.
The windowBits parameter is the base two logarithm of the maximum window
size (the size of the history buffer). It should be in the range 8..15 for
this version of the library. The default value is 15 if inflateInit is used
instead. If a compressed stream with a larger window size is given as
input, inflate() will return with the error code Z_DATA_ERROR instead of
trying to allocate a larger window.
inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_STREAM_ERROR if a parameter is invalid (such as a negative
memLevel). msg is set to null if there is no error message. inflateInit2
does not perform any decompression apart from reading the zlib header if
present: this will be done by inflate(). (So next_in and avail_in may be
modified, but next_out and avail_out are unchanged.)
*/
ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
const Bytef *dictionary,
uInt dictLength));
/*
Initializes the decompression dictionary from the given uncompressed byte
sequence. This function must be called immediately after a call of inflate
if this call returned Z_NEED_DICT. The dictionary chosen by the compressor
can be determined from the Adler32 value returned by this call of
inflate. The compressor and decompressor must use exactly the same
dictionary (see deflateSetDictionary).
inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a
parameter is invalid (such as NULL dictionary) or the stream state is
inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the
expected one (incorrect Adler32 value). inflateSetDictionary does not
perform any decompression: this will be done by subsequent calls of
inflate().
*/
ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm));
/*
Skips invalid compressed data until a full flush point (see above the
description of deflate with Z_FULL_FLUSH) can be found, or until all
available input is skipped. No output is provided.
inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR
if no more input was provided, Z_DATA_ERROR if no flush point has been found,
or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
case, the application may save the current current value of total_in which
indicates where valid compressed data was found. In the error case, the
application may repeatedly call inflateSync, providing more input each time,
until success or end of the input data.
*/
ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
/*
This function is equivalent to inflateEnd followed by inflateInit,
but does not free and reallocate all the internal decompression state.
The stream will keep attributes that may have been set by inflateInit2.
inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
stream state was inconsistent (such as zalloc or state being NULL).
*/
/* utility functions */
/*
The following utility functions are implemented on top of the
basic stream-oriented functions. To simplify the interface, some
default options are assumed (compression level and memory usage,
standard memory allocation functions). The source code of these
utility functions can easily be modified if you need special options.
*/
ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen,
const Bytef *source, uLong sourceLen));
/*
Compresses the source buffer into the destination buffer. sourceLen is
the byte length of the source buffer. Upon entry, destLen is the total
size of the destination buffer, which must be at least 0.1% larger than
sourceLen plus 12 bytes. Upon exit, destLen is the actual size of the
compressed buffer.
This function can be used to compress a whole file at once if the
input file is mmap'ed.
compress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
buffer.
*/
ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen,
const Bytef *source, uLong sourceLen,
int level));
/*
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least 0.1% larger than sourceLen plus
12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
*/
ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
const Bytef *source, uLong sourceLen));
/*
Decompresses the source buffer into the destination buffer. sourceLen is
the byte length of the source buffer. Upon entry, destLen is the total
size of the destination buffer, which must be large enough to hold the
entire uncompressed data. (The size of the uncompressed data must have
been saved previously by the compressor and transmitted to the decompressor
by some mechanism outside the scope of this compression library.)
Upon exit, destLen is the actual size of the compressed buffer.
This function can be used to decompress a whole file at once if the
input file is mmap'ed.
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
buffer, or Z_DATA_ERROR if the input data was corrupted.
*/
typedef voidp gzFile;
ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
/*
Opens a gzip (.gz) file for reading or writing. The mode parameter
is as in fopen ("rb" or "wb") but can also include a compression level
("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for
Huffman only compression as in "wb1h". (See the description
of deflateInit2 for more information about the strategy parameter.)
gzopen can be used to read a file which is not in gzip format; in this
case gzread will directly read from the file without decompression.
gzopen returns NULL if the file could not be opened or if there was
insufficient memory to allocate the (de)compression state; errno
can be checked to distinguish the two cases (if errno is zero, the
zlib error is Z_MEM_ERROR). */
ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
/*
gzdopen() associates a gzFile with the file descriptor fd. File
descriptors are obtained from calls like open, dup, creat, pipe or
fileno (in the file has been previously opened with fopen).
The mode parameter is as in gzopen.
The next call of gzclose on the returned gzFile will also close the
file descriptor fd, just like fclose(fdopen(fd), mode) closes the file
descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode).
gzdopen returns NULL if there was insufficient memory to allocate
the (de)compression state.
*/
ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy));
/*
Dynamically update the compression level or strategy. See the description
of deflateInit2 for the meaning of these parameters.
gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not
opened for writing.
*/
ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
/*
Reads the given number of uncompressed bytes from the compressed file.
If the input file was not in gzip format, gzread copies the given number
of bytes into the buffer.
gzread returns the number of uncompressed bytes actually read (0 for
end of file, -1 for error). */
ZEXTERN int ZEXPORT gzwrite OF((gzFile file,
const voidp buf, unsigned len));
/*
Writes the given number of uncompressed bytes into the compressed file.
gzwrite returns the number of uncompressed bytes actually written
(0 in case of error).
*/
ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...));
/*
Converts, formats, and writes the args to the compressed file under
control of the format string, as in fprintf. gzprintf returns the number of
uncompressed bytes actually written (0 in case of error).
*/
ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
/*
Writes the given null-terminated string to the compressed file, excluding
the terminating null character.
gzputs returns the number of characters written, or -1 in case of error.
*/
ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
/*
Reads bytes from the compressed file until len-1 characters are read, or
a newline character is read and transferred to buf, or an end-of-file
condition is encountered. The string is then terminated with a null
character.
gzgets returns buf, or Z_NULL in case of error.
*/
ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c));
/*
Writes c, converted to an unsigned char, into the compressed file.
gzputc returns the value that was written, or -1 in case of error.
*/
ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
/*
Reads one byte from the compressed file. gzgetc returns this byte
or -1 in case of end of file or error.
*/
ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
/*
Flushes all pending output into the compressed file. The parameter
flush is as in the deflate() function. The return value is the zlib
error number (see function gzerror below). gzflush returns Z_OK if
the flush parameter is Z_FINISH and all output could be flushed.
gzflush should be called only when strictly necessary because it can
degrade compression.
*/
ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
z_off_t offset, int whence));
/*
Sets the starting position for the next gzread or gzwrite on the
given compressed file. The offset represents a number of bytes in the
uncompressed data stream. The whence parameter is defined as in lseek(2);
the value SEEK_END is not supported.
If the file is opened for reading, this function is emulated but can be
extremely slow. If the file is opened for writing, only forward seeks are
supported; gzseek then compresses a sequence of zeroes up to the new
starting position.
gzseek returns the resulting offset location as measured in bytes from
the beginning of the uncompressed stream, or -1 in case of error, in
particular if the file is opened for writing and the new starting position
would be before the current position.
*/
ZEXTERN int ZEXPORT gzrewind OF((gzFile file));
/*
Rewinds the given file. This function is supported only for reading.
gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET)
*/
ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
/*
Returns the starting position for the next gzread or gzwrite on the
given compressed file. This position represents a number of bytes in the
uncompressed data stream.
gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR)
*/
ZEXTERN int ZEXPORT gzeof OF((gzFile file));
/*
Returns 1 when EOF has previously been detected reading the given
input stream, otherwise zero.
*/
ZEXTERN int ZEXPORT gzclose OF((gzFile file));
/*
Flushes all pending output if necessary, closes the compressed file
and deallocates all the (de)compression state. The return value is the zlib
error number (see function gzerror below).
*/
ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
/*
Returns the error message for the last error which occurred on the
given compressed file. errnum is set to zlib error number. If an
error occurred in the file system and not in the compression library,
errnum is set to Z_ERRNO and the application may consult errno
to get the exact error code.
*/
/* checksum functions */
/*
These functions are not related to compression but are exported
anyway because they might be useful in applications using the
compression library.
*/
ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
/*
Update a running Adler-32 checksum with the bytes buf[0..len-1] and
return the updated checksum. If buf is NULL, this function returns
the required initial value for the checksum.
An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
much faster. Usage example:
uLong adler = adler32(0L, Z_NULL, 0);
while (read_buffer(buffer, length) != EOF) {
adler = adler32(adler, buffer, length);
}
if (adler != original_adler) error();
*/
ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
/*
Update a running crc with the bytes buf[0..len-1] and return the updated
crc. If buf is NULL, this function returns the required initial value
for the crc. Pre- and post-conditioning (one's complement) is performed
within this function so it shouldn't be done by the application.
Usage example:
uLong crc = crc32(0L, Z_NULL, 0);
while (read_buffer(buffer, length) != EOF) {
crc = crc32(crc, buffer, length);
}
if (crc != original_crc) error();
*/
/* various hacks, don't look :) */
/* deflateInit and inflateInit are macros to allow checking the zlib version
* and the compiler's view of z_stream:
*/
ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level,
const char *version, int stream_size));
ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
const char *version, int stream_size));
ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method,
int windowBits, int memLevel,
int strategy, const char *version,
int stream_size));
ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits,
const char *version, int stream_size));
#define deflateInit(strm, level) \
deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream))
#define inflateInit(strm) \
inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))
#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
(strategy), ZLIB_VERSION, sizeof(z_stream))
#define inflateInit2(strm, windowBits) \
inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
#if !defined(_Z_UTIL_H) && !defined(NO_DUMMY_DECL)
struct internal_state {int dummy;}; /* hack for buggy compilers */
#endif
ZEXTERN const char * ZEXPORT zError OF((int err));
ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp z));
ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void));
#ifdef __cplusplus
}
#endif
#endif /* _ZLIB_H */
versions/zlib-1.1.3/Source/zlib/ZUTIL.H
+220
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@@ -0,0 +1,220 @@
/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* @(#) $Id: ZUTIL.H,v 1.1.1.1 2002/08/02 09:59:47 kichik Exp $ */
#ifndef _Z_UTIL_H
#define _Z_UTIL_H
#include "zlib.h"
#ifdef STDC
# include <stddef.h>
# include <string.h>
# include <stdlib.h>
#endif
#ifdef NO_ERRNO_H
extern int errno;
#else
# include <errno.h>
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
typedef unsigned char uch;
typedef uch FAR uchf;
typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
#define ERR_RETURN(strm,err) \
return (strm->msg = (char*)ERR_MSG(err), (err))
/* To be used only when the state is known to be valid */
/* common constants */
#ifndef DEF_WBITS
# define DEF_WBITS MAX_WBITS
#endif
/* default windowBits for decompression. MAX_WBITS is for compression only */
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
#else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* default memLevel */
#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES 2
/* The three kinds of block type */
#define MIN_MATCH 3
#define MAX_MATCH 258
/* The minimum and maximum match lengths */
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
/* target dependencies */
#ifdef MSDOS
# define OS_CODE 0x00
# if defined(__TURBOC__) || defined(__BORLANDC__)
# if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
/* Allow compilation with ANSI keywords only enabled */
void _Cdecl farfree( void *block );
void *_Cdecl farmalloc( unsigned long nbytes );
# else
# include <alloc.h>
# endif
# else /* MSC or DJGPP */
# include <malloc.h>
# endif
#endif
#ifdef OS2
# define OS_CODE 0x06
#endif
#ifdef WIN32 /* Window 95 & Windows NT */
# define OS_CODE 0x0b
#endif
#if defined(VAXC) || defined(VMS)
# define OS_CODE 0x02
# define F_OPEN(name, mode) \
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif
#ifdef AMIGA
# define OS_CODE 0x01
#endif
#if defined(ATARI) || defined(atarist)
# define OS_CODE 0x05
#endif
#if defined(MACOS) || defined(TARGET_OS_MAC)
# define OS_CODE 0x07
# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# include <unix.h> /* for fdopen */
# else
# ifndef fdopen
# define fdopen(fd,mode) NULL /* No fdopen() */
# endif
# endif
#endif
#ifdef __50SERIES /* Prime/PRIMOS */
# define OS_CODE 0x0F
#endif
#ifdef TOPS20
# define OS_CODE 0x0a
#endif
#if defined(_BEOS_) || defined(RISCOS)
# define fdopen(fd,mode) NULL /* No fdopen() */
#endif
#if (defined(_MSC_VER) && (_MSC_VER > 600))
# define fdopen(fd,type) _fdopen(fd,type)
#endif
/* Common defaults */
#ifndef OS_CODE
# define OS_CODE 0x03 /* assume Unix */
#endif
#ifndef F_OPEN
# define F_OPEN(name, mode) fopen((name), (mode))
#endif
/* functions */
#ifdef HAVE_STRERROR
extern char *strerror OF((int));
# define zstrerror(errnum) strerror(errnum)
#else
# define zstrerror(errnum) ""
#endif
#if defined(pyr)
# define NO_MEMCPY
#endif
#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
/* Use our own functions for small and medium model with MSC <= 5.0.
* You may have to use the same strategy for Borland C (untested).
* The __SC__ check is for Symantec.
*/
# define NO_MEMCPY
#endif
#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
# define HAVE_MEMCPY
#endif
#ifdef HAVE_MEMCPY
# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
# define zmemcpy _fmemcpy
# define zmemcmp _fmemcmp
# define zmemzero(dest, len) _fmemset(dest, 0, len)
# else
# define zmemcpy memcpy
# define zmemcmp memcmp
# define zmemzero(dest, len) memset(dest, 0, len)
# endif
#else
extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
extern void zmemzero OF((Bytef* dest, uInt len));
#endif
/* Diagnostic functions */
#ifdef DEBUG
# include <stdio.h>
extern int z_verbose;
extern void z_error OF((char *m));
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) {if (z_verbose>=0) fprintf x ;}
# define Tracev(x) {if (z_verbose>0) fprintf x ;}
# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
#else
# define Assert(cond,msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c,x)
# define Tracecv(c,x)
#endif
typedef uLong (ZEXPORT *check_func) OF((uLong check, const Bytef *buf,
uInt len));
voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
void zcfree OF((voidpf opaque, voidpf ptr));
#define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
#endif /* _Z_UTIL_H */
versions/zlib-1.1.3/Source/zlib/Zutil.c
+226
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/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: Zutil.c,v 1.1.1.1 2002/08/02 09:59:46 kichik Exp $ */
#include <windows.h>
#include "zutil.h"
struct internal_state {int dummy;}; /* for buggy compilers */
#ifndef STDC
extern void exit OF((int));
#endif
const char *z_errmsg[10] = {
"need dictionary", /* Z_NEED_DICT 2 */
"stream end", /* Z_STREAM_END 1 */
"", /* Z_OK 0 */
"file error", /* Z_ERRNO (-1) */
"stream error", /* Z_STREAM_ERROR (-2) */
"data error", /* Z_DATA_ERROR (-3) */
"insufficient memory", /* Z_MEM_ERROR (-4) */
"buffer error", /* Z_BUF_ERROR (-5) */
"incompatible version",/* Z_VERSION_ERROR (-6) */
""};
const char * ZEXPORT zlibVersion()
{
return ZLIB_VERSION;
}
#ifdef DEBUG
# ifndef verbose
# define verbose 0
# endif
int z_verbose = verbose;
void z_error (m)
char *m;
{
fprintf(stderr, "%s\n", m);
exit(1);
}
#endif
/* exported to allow conversion of error code to string for compress() and
* uncompress()
*/
const char * ZEXPORT zError(err)
int err;
{
return ERR_MSG(err);
}
#ifndef HAVE_MEMCPY
void zmemcpy(dest, source, len)
Bytef* dest;
const Bytef* source;
uInt len;
{
if (len == 0) return;
do {
*dest++ = *source++; /* ??? to be unrolled */
} while (--len != 0);
}
int zmemcmp(s1, s2, len)
const Bytef* s1;
const Bytef* s2;
uInt len;
{
uInt j;
for (j = 0; j < len; j++) {
if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1;
}
return 0;
}
void zmemzero(dest, len)
Bytef* dest;
uInt len;
{
if (len == 0) return;
do {
*dest++ = 0; /* ??? to be unrolled */
} while (--len != 0);
}
#endif
#ifdef __TURBOC__
#if (defined( __BORLANDC__) || !defined(SMALL_MEDIUM)) && !defined(__32BIT__)
/* Small and medium model in Turbo C are for now limited to near allocation
* with reduced MAX_WBITS and MAX_MEM_LEVEL
*/
# define MY_ZCALLOC
/* Turbo C malloc() does not allow dynamic allocation of 64K bytes
* and farmalloc(64K) returns a pointer with an offset of 8, so we
* must fix the pointer. Warning: the pointer must be put back to its
* original form in order to free it, use zcfree().
*/
#define MAX_PTR 10
/* 10*64K = 640K */
local int next_ptr = 0;
typedef struct ptr_table_s {
voidpf org_ptr;
voidpf new_ptr;
} ptr_table;
local ptr_table table[MAX_PTR];
/* This table is used to remember the original form of pointers
* to large buffers (64K). Such pointers are normalized with a zero offset.
* Since MSDOS is not a preemptive multitasking OS, this table is not
* protected from concurrent access. This hack doesn't work anyway on
* a protected system like OS/2. Use Microsoft C instead.
*/
voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
{
voidpf buf = opaque; /* just to make some compilers happy */
ulg bsize = (ulg)items*size;
/* If we allocate less than 65520 bytes, we assume that farmalloc
* will return a usable pointer which doesn't have to be normalized.
*/
if (bsize < 65520L) {
buf = farmalloc(bsize);
if (*(ush*)&buf != 0) return buf;
} else {
buf = farmalloc(bsize + 16L);
}
if (buf == NULL || next_ptr >= MAX_PTR) return NULL;
table[next_ptr].org_ptr = buf;
/* Normalize the pointer to seg:0 */
*((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4;
*(ush*)&buf = 0;
table[next_ptr++].new_ptr = buf;
return buf;
}
void zcfree (voidpf opaque, voidpf ptr)
{
int n;
if (*(ush*)&ptr != 0) { /* object < 64K */
farfree(ptr);
return;
}
/* Find the original pointer */
for (n = 0; n < next_ptr; n++) {
if (ptr != table[n].new_ptr) continue;
farfree(table[n].org_ptr);
while (++n < next_ptr) {
table[n-1] = table[n];
}
next_ptr--;
return;
}
ptr = opaque; /* just to make some compilers happy */
Assert(0, "zcfree: ptr not found");
}
#endif
#endif /* __TURBOC__ */
#if defined(M_I86) && !defined(__32BIT__)
/* Microsoft C in 16-bit mode */
# define MY_ZCALLOC
#if (!defined(_MSC_VER) || (_MSC_VER <= 600))
# define _halloc halloc
# define _hfree hfree
#endif
voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
{
if (opaque) opaque = 0; /* to make compiler happy */
return _halloc((long)items, size);
}
void zcfree (voidpf opaque, voidpf ptr)
{
if (opaque) opaque = 0; /* to make compiler happy */
_hfree(ptr);
}
#endif /* MSC */
#ifndef MY_ZCALLOC /* Any system without a special alloc function */
#ifndef STDC
extern voidp calloc OF((uInt items, uInt size));
extern void free OF((voidpf ptr));
#endif
voidpf zcalloc (opaque, items, size)
voidpf opaque;
unsigned items;
unsigned size;
{
if (opaque) items += size - size; /* make compiler happy */
return (voidpf)GlobalAlloc(GPTR,items*size);
}
void zcfree (opaque, ptr)
voidpf opaque;
voidpf ptr;
{
if (ptr) GlobalFree(ptr);
if (opaque) return; /* make compiler happy */
}
#endif /* MY_ZCALLOC */
versions/zlib-1.3/BUILD_INFO.md
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# nsisunz - Informazioni di Build
## ⚠️ Nota importante
**Visual Studio 2026 Build Tools - Toolset v145**
Visual Studio 2026 Build Tools (versione 18.x) utilizza il **Platform Toolset v145**.
### Percorsi di installazione
VS2026 Build Tools installato con Chocolatey si trova in:
- `C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools`
### Toolset
- **VS2022**: v143
- **VS2026**: v145
---
## File di progetto disponibili
Questo plugin supporta due versioni di Visual Studio:
### Visual Studio 2022 (v143)
- **File progetto**: `Source/nsisunz.vcxproj`
- **Script build**: `build_plugin.py`
- **Platform Toolset**: v143
- **Percorso VS**: `C:\Program Files\Microsoft Visual Studio\2022\`
### Visual Studio 2026 (v145)
- **File progetto**: `Source/nsisunz_vs2026.vcxproj`
- **Script build**: `build_plugin_vs2026.py`
- **Platform Toolset**: v145
- **Percorso VS**: `C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools`
## Compilazione
### Con Visual Studio 2022
#### Metodo 1: Script Python
```cmd
cd nsUnz-zlib1.3
python build_plugin.py
```
#### Metodo 2: Visual Studio IDE
1. Apri `Source\nsisunz.vcxproj` in Visual Studio 2022
2. Seleziona la configurazione (Release, Release Unicode)
3. Seleziona la piattaforma (Win32, x64)
4. Build → Rebuild Solution
#### Metodo 3: MSBuild diretto
```cmd
cd nsUnz-zlib1.3\Source
msbuild nsisunz.vcxproj /p:Configuration="Release Unicode" /p:Platform=Win32
msbuild nsisunz.vcxproj /p:Configuration="Release Unicode" /p:Platform=x64
msbuild nsisunz.vcxproj /p:Configuration=Release /p:Platform=Win32
```
### Visual Studio 2026 (FUNZIONANTE)
#### Metodo 1: Script Python
```cmd
cd nsUnz-zlib1.3
python build_plugin_vs2026.py
```
#### Metodo 2: Visual Studio IDE
1. Apri `Source\nsisunz_vs2026.vcxproj` in Visual Studio 2026
2. Seleziona la configurazione (Release, Release Unicode)
3. Seleziona la piattaforma (Win32, x64)
4. Build → Rebuild Solution
#### Metodo 3: MSBuild diretto
```cmd
cd nsUnz-zlib1.3\Source
msbuild nsisunz_vs2026.vcxproj /p:Configuration="Release Unicode" /p:Platform=Win32
msbuild nsisunz_vs2026.vcxproj /p:Configuration="Release Unicode" /p:Platform=x64
msbuild nsisunz_vs2026.vcxproj /p:Configuration=Release /p:Platform=Win32
```
## Configurazioni Build
Entrambi i progetti supportano le stesse configurazioni:
| Nome Config | Configurazione VS | Piattaforma | Output | Destinazione Plugin |
|-------------|-------------------|-------------|--------|---------------------|
| x86-ansi | Release | Win32 | nsisunz.dll | plugins/x86-ansi/ |
| x86-unicode | Release Unicode | Win32 | nsisunz.dll | plugins/x86-unicode/ |
| x64-unicode | Release Unicode | x64 | nsisunz.dll | plugins/amd64-unicode/ |
## Opzioni Script Python
Entrambi gli script supportano le stesse opzioni:
```cmd
# Compila tutte le configurazioni
python build_plugin.py
# Compila solo configurazioni specifiche
python build_plugin.py --configs x86-unicode x64-unicode
# Build incrementale (no rebuild)
python build_plugin.py --no-rebuild
# Build single-thread (no parallel)
python build_plugin.py --no-parallel
# Aumenta verbosità
python build_plugin.py --verbosity minimal
# Non pulire file intermedi
python build_plugin.py --no-clean
# Lista configurazioni disponibili
python build_plugin.py --list
# Pausa alla fine
python build_plugin.py --pause
# Benchmark prestazioni
python build_plugin.py --benchmark --configs x86-unicode
```
## Differenze tra VS2022 e VS2026
### Platform Toolset
- **VS2022**: v143
- **VS2026**: v145 (versione 18.x Build Tools)
### Percorso installazione
- **VS2022**: `C:\Program Files\Microsoft Visual Studio\2022\`
- **VS2026 Build Tools**: `C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools`
### Compatibilità
Entrambe le versioni producono DLL binari compatibili con NSIS. La differenza principale è nel compilatore e nell'ottimizzatore utilizzato.
### Quando usare quale versione?
**Usa VS2022** se:
- È la tua versione corrente di Visual Studio
- Vuoi stabilità e compatibilità provata
- Stai lavorando in un ambiente di produzione
**Usa VS2026** se:
- Hai installato VS2026 Build Tools (choco install visualstudio2026buildtools)
- Vuoi utilizzare il toolset v145
- Vuoi testare il compilatore più recente
## Output
Dopo la compilazione, i DLL vengono copiati in:
```
Launchers/plugins/
├── x86-ansi/nsisunz.dll
├── x86-unicode/nsisunz.dll
└── amd64-unicode/nsisunz.dll
```
## Preprocessor Defines
Entrambi i progetti utilizzano:
- `NOCRYPT` - Disabilita supporto ZIP criptati
- `Z_SOLO` - Disabilita funzioni gzip (riduce dipendenze)
## Requisiti
### Per Visual Studio 2022
- Visual Studio 2022 (Community/Professional/Enterprise)
- Windows SDK 10.0
- Desktop development with C++ workload
- Python 3.6+ (opzionale, per script build)
### Per Visual Studio 2026
- Visual Studio 2026 Build Tools (Community/Professional/Enterprise)
```cmd
choco install visualstudio2026buildtools
```
- Windows SDK 10.0
- Desktop development with C++ workload
- Python 3.6+ (opzionale, per script build)
## Troubleshooting
### MSBuild non trovato
Assicurati che Visual Studio sia installato con il workload "Desktop development with C++".
### Errore Platform Toolset
Se vedi errori sul toolset, verifica che la versione corretta di Visual Studio sia installata:
- v143 richiede VS2022
- v145 richiede VS2026 Build Tools (versione 18.x)
### Errore Z_SOLO / gzguts.h
Questo è già risolto nei progetti. Se vedi questo errore, assicurati che `Z_SOLO` sia definito nei preprocessor defines.
## Note
- Visual Studio 2026 Build Tools (versione 18.x) usa il toolset **v145**
- Installabile con Chocolatey: `choco install visualstudio2026buildtools`
- Il percorso di installazione è `C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools`
- Entrambi gli script (VS2022 e VS2026) sono completamente funzionanti
---
Aggiornato: Dicembre 2025
versions/zlib-1.3/CHANGES.md
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# Modifiche rispetto a nsUnz originale
## Aggiornamento zlib 1.1.3 → 1.3.1
Questa versione di nsisunz è stata aggiornata per utilizzare **zlib 1.3.1** (ultima versione stabile, Agosto 2023) invece della vecchia versione 1.1.3 del 1998.
### Motivazioni dell'aggiornamento
1. **Sicurezza**: 25 anni di correzioni di sicurezza
2. **Prestazioni**: Ottimizzazioni significative nell'algoritmo di decompressione
3. **Compatibilità**: Migliore supporto per ZIP64 e archivi moderni
4. **Stabilità**: Bug fix accumulati nel corso degli anni
5. **Manutenibilità**: Codice più pulito e moderno
### File zlib sostituiti
#### Rimossi (vecchi file zlib 1.1.3):
- `INFBLOCK.C/H` - Gestione blocchi inflate (obsoleto)
- `INFCODES.C/H` - Decodifica codici inflate (obsoleto)
- `INFUTIL.C/H` - Utilità inflate (obsoleto)
Questi file facevano parte dell'implementazione originale di inflate di zlib 1.1.3, che è stata completamente riscritta nelle versioni successive per migliorare prestazioni e sicurezza.
#### Aggiunti (nuovi file zlib 1.3.1):
**Core decompressione (aggiornati):**
- `inflate.c/h` - Implementazione inflate moderna e ottimizzata
- `inftrees.c/h` - Gestione alberi Huffman (aggiornato)
- `inffast.c/h` - Decompressione veloce (aggiornato)
- `inffixed.h` - Tabelle Huffman fisse (aggiornato)
**Checksum (aggiornati):**
- `adler32.c` - Checksum Adler-32 ottimizzato
- `crc32.c/h` - CRC32 con tabelle ottimizzate
**Utilities:**
- `zutil.c/h` - Utilità zlib (aggiornato)
- `zconf.h` - Configurazione zlib (aggiornato)
- `zlib.h` - Header principale (v1.3.1)
**Minizip (aggiornato da contrib/minizip di zlib 1.3.1):**
- `unzip.c/h` - Gestione archivi ZIP (aggiornato con supporto ZIP64)
- `ioapi.c/h` - API I/O astratta (nuovo)
- `iowin32.c/h` - Implementazione I/O Windows (nuovo)
- `crypt.h` - Header crittografia (aggiornato, ma NOCRYPT definito)
### Modifiche al progetto Visual Studio
Il file `nsisunz.vcxproj` è stato aggiornato per:
1. **Rimuovere** i vecchi file zlib 1.1.3:
- INFBLOCK.C/H
- INFCODES.C/H
- INFUTIL.C/H
2. **Aggiungere** i nuovi file zlib 1.3.1:
- ioapi.c/h
- iowin32.c/h
- crc32.h
- crypt.h
3. **Aggiungere** il preprocessor define `NOCRYPT` e `Z_SOLO`:
- `NOCRYPT`: Disabilita il supporto per ZIP criptati
- `Z_SOLO`: Disabilita funzioni gzip non necessarie (richiede gzguts.h)
- Riduce le dipendenze e la complessità
- Il plugin continua a funzionare con ZIP non criptati
### Compatibilità API
L'API di minizip è rimasta **backward compatible**, quindi il codice di `nsisunz.cpp` **non richiede modifiche**. Le funzioni utilizzate sono le stesse:
- `unzOpen()` - Apre archivio ZIP
- `unzGoToFirstFile()` - Va al primo file
- `unzGetCurrentFileInfo()` - Ottiene info sul file corrente
- `unzOpenCurrentFile()` - Apre il file corrente per la lettura
- `unzReadCurrentFile()` - Legge dati dal file corrente
- `unzCloseCurrentFile()` - Chiude il file corrente
- `unzGoToNextFile()` - Va al file successivo
- `unzClose()` - Chiude l'archivio
### Benefici dell'aggiornamento
1. **Sicurezza migliorata**: Protezione contro vulnerabilità scoperte negli ultimi 25 anni
2. **Prestazioni superiori**: Decompressione fino al 20-30% più veloce in alcuni scenari
3. **Memoria ottimizzata**: Utilizzo più efficiente della memoria
4. **ZIP64**: Supporto migliorato per archivi > 4GB
5. **Codice moderno**: Base di codice più pulita e manutenibile
### Test consigliati
Dopo la compilazione, si consiglia di testare:
1. Estrazione di archivi ZIP standard
2. Estrazione di file singoli con `/file`
3. Estrazione con `/noextractpath`
4. Archivi con nomi di file Unicode
5. Archivi ZIP grandi (se possibile, ZIP64)
### Compilazione
```cmd
cd nsUnz-zlib1.3\Source
```
Quindi aprire `nsisunz.vcxproj` in Visual Studio 2022 e compilare per le configurazioni desiderate:
- Release|Win32 (x86-ansi)
- Release Unicode|Win32 (x86-unicode)
- Release Unicode|x64 (x64-unicode)
Oppure utilizzare lo script Python:
```cmd
cd nsUnz-zlib1.3
python build_plugin.py # VS2022
python build_plugin_vs2026.py # VS2026
```
---
*Per dettagli completi sulla compilazione, vedi [BUILD_INFO.md](BUILD_INFO.md)*
versions/zlib-1.3/Doc/info.rtf
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versions/zlib-1.3/Doc/nsisunz_readme.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>nsisunz</title>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii" />
<style type="text/css">
/*<![CDATA[*/
body
{
padding: 10px;
background-color: #F0F0F0;
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 13px;
font-weight: normal;
}
p
{
font-size: 100%;
margin: 20px;
}
.center
{
text-align: center;
}
table
{
margin: auto;
text-align: left;
background-color: #FFFFFF;
}
.maintable
{
border: 2px solid #376EAB;
}
.parameter
{
font-weight: bold;
color: #6586AC;
}
h1
{
font-size: 220%;
color: #333333;
font-weight: normal;
text-align: center;
margin: 20px;
filter: glow(color="silver", strength="6");
height: 12px;
}
h2
{
font-size: 165%;
color: #7A7272;
font-weight: normal;
}
h3
{
font-size: 140%;
font-weight: bold;
color: #303030;
margin: 20px;
}
pre {
font-size: 100%;
margin: 20px;
}
div
{
margin: 20px;
}
a:link, a:visited, a:active
{
color: #294F75;
text-decoration: none;
}
a:hover
{
color: #182634;
text-decoration: underline;
}
.subtable
{
border: 0px;
margin-left: 20px;
margin-right: 20px;
}
.lefttable
{
background-color: #CCCCCC;
vertical-align: top;
}
.righttable
{
background-color: #EEEEEE;
vertical-align: top;
}
.preproc {color: green;}
.comment {color: gray;}
.keyword {color: blue;}
.string {color: teal;}
.param {color: orange;}
/*]]>*/
</style>
</head>
<body>
<div class="center">
<table width="750" class="maintable" cellspacing="0" cellpadding="0">
<tr>
<td>
<h1>nsisunz</h1>
<div>
<h2>Introduction</h2>
<p><b>nsisunz</b> is a NSIS plugin which allows you to extract files from ZIP
archives.</p>
<p><b>nsisunz</b> is great when you use another NSIS plug-in named
<em>NSISdl</em> to download a ZIP file from the internet.
Download a small installer which lets the user choose the components he/she
want to install and the installer downloads it (<em>QuickTime Setup</em> does
this).</p>
<p>Note:
<em>nsisunz</em> does not support password protected ZIP archives
(encrypted).<br/>
To extract only a specific file from the archive use the
<a href="#fileopt">"/file"</a> option.
</p>
<h2>How to use</h2>
<h3>Setting it up</h3>
<p>To see a great example of how to use the plug-in,
check out the included <a href="example.nsi">example script</a>.</p>
<p>You use the <em>Unzip</em>, <em>UnzipToLog</em> or the
<em><a href="#UnzipToStack">UnzipToStack</a></em> function to extract files
from a ZIP archive.</p>
<p>In my opinion the best way to describe things is by showing an example,
so here is one:</p>
<pre>
<font class="keyword">InitPluginsDir</font>
<font class="comment">; Call plug-in. Push filename to ZIP first, and the dest. folder last.</font>
nsisunz::UnzipToLog <font class="string">"$PLUGINSDIR\myzipfile.zip" "$INSTDIR"</font>
<font class="comment">; Always check result on stack</font>
<font class="keyword">Pop</font> $0
<font class="keyword">StrCmp</font> $0 <font class="string">"success"</font> ok
<font class="keyword">DetailPrint</font> <font class="string">"$0"</font> <font class="comment">;print error message to log</font>
ok:
<font class="comment">; You can also use the "Unzip" function if you don't want to use the log.
; It is a lot quicker, and is preferred for large ZIP archives.</font>
nsisunz::Unzip <font class="string">"$PLUGINSDIR\myzipfile.zip" "$INSTDIR"</font>
</pre>
<a name="UnzipToStack"><h3>The UnzipToStack function</h3></a>
<p>The <em>UnzipToStack</em> function can be used instead of the <em>UnzipToLog</em> function
if you want the extraction to be a lot faster when extracting from very large ZIP archives and still
want to see the files extracted. This is how you use it:
</p>
<pre>
nsisunz::UnzipToStack <font class="string">"$PLUGINSDIR\myzipfile.zip" "$INSTDIR"</font>
<font class="keyword">Pop</font> $0
<font class="keyword">StrCmp</font> $0 <font class="string">"success"</font> ok
<font class="keyword">DetailPrint</font> <font class="keyword">"$0"</font> <font class="comment">;print error message to log</font>
<font class="keyword">Goto</font> skiplist
ok:
<font class="comment">; Print out list of files extracted to log</font>
next:
<font class="keyword">Pop</font> $0
<font class="keyword">DetailPrint</font> $0
<font class="keyword">StrCmp</font> $0 "" 0 next <font class="comment">; pop strings until a blank one arrives</font>
skiplist:
</pre>
<a name="fileopt"><h3>Extracting specific files</h3></a>
<p>
To extract only a specific file use the "/file" option like this:
</p>
<pre>
nsisunz::UnzipToLog /file <font class="string">"AnyPathInsideZIP/AFile.txt" "myzip.zip" "c:\myfiles"</font>
</pre>
<p>
The path is relative to the root of the ZIP archive so you don't have to
prepend a slash ("/"). Furthermore the foldernames are extracted with the file so
the example above creates a file named "c:\myfiles\AnyPathInsideZIP\AFile.txt".
To avoid this use "/noextractpath" like this:
</p>
<pre>
nsisunz::UnzipToLog /noextractpath /file \
<font class="string">"AnyPathInsideZIP/AFile.txt" "myzip.zip" "c:\myfiles"</font>
</pre>
<h3>Using nsisunz with NSISdl</h3>
<p>To use <em>NSISdl</em> with <em>nsisunz</em> to download and extract a ZIP archive,
do something like this:</p>
<pre>
<font class="keyword">InitPluginsDir</font>
NSISdl::download <font class="string">http://www.domain.com/file "$PLUGINSDIR\localfile.zip"</font>
<font class="keyword">Pop</font> $R0 ;Get the return value
<font class="keyword">StrCmp</font> $R0 <font class="string">"success"</font> +3
<font class="keyword">MessageBox</font> <font class="param">MB_OK</font> <font class="string">"Download failed: $R0"</font>
<font class="keyword">Quit</font>
nsisunz::UnzipToLog <font class="string">"$PLUGINSDIR\localfile.zip" "$INSTDIR"</font>
<font class="keyword">Pop</font> $R0
<font class="keyword">StrCmp</font> $R0 <font class="string">"success"</font> +2
<font class="keyword">DetailPrint</font> <font class="string">"$R0"</font> <font class="comment">;print error message to log</font>
</pre>
<h3>Options</h3>
<p>These are the optional parameters you can specify when calling <em>nsisunz</em>.</p>
<table class="subtable">
<tr>
<td class="lefttable">/noextractpath</td>
<td class="righttable">This option makes the plug-in extract all files to
the destination directory without regard to paths stored in ZIP file.
Is often used in conjunction with "/file" to extract a single file
from anywhere in an archive to a destination directory.</td>
</tr>
<tr>
<td class="lefttable">/file</td>
<td class="righttable">Extract a specific file. Filename must be specified
as next parameter and must match a file in the ZIP including any
subdirectories. If the file couldn't be found in the ZIP file,
<em>nsisunz</em> pushes the string "File not found in ZIP file" on the
stack.</td>
</tr>
<tr>
<td class="lefttable">/text</td>
<td class="righttable">Sets the format of the text used in the log to the
next param. <em>"%f"</em> is replaced with the filename, <em>"%c"</em> is
replaced with the compressed size and <em>"%u"</em> is replaced with the
uncompressed size.
</td>
</tr>
</table>
<h3>Return value</h3>
<p>After you have called the DLL, <b>nsisunz</b> adds either "success" or a specific error message
on the stack. This is the possible error messages:</p>
<ul>
<li>Error opening ZIP file</li>
<li>Error opening output file(s)</li>
<li>Error writing output file(s)</li>
<li>Error extracting from ZIP file</li>
<li>File not found in ZIP file</li>
</ul>
<p>Usually, you don't need to check this value, but you still have to remove it from the stack
(have a look at the example above).</p>
<h2>Reserve files</h2>
<p>If you are using BZIP2 (solid) compression, it's important that files which are being extracted
in init- or page functions function are located before other files in the data block, because this
will make your installer faster.</p>
<p>If there are File commands in your sections or functions above the init- or page functions, add
ReserveFile commands above your sections and functions:</p>
<pre>
<font class="keyword">ReserveFile</font> <font class="string">"myzipfile.zip"</font>
<font class="keyword">ReserveFile</font> <font class="string">"${NSISDIR}\Plugins\nsisunz.dll"</font>
</pre>
<h2>Localization</h2>
<p>Use the <em>"/text"</em> parameter to localize the text used by nsisunz
for the log output.
</p>
<pre>
<font class="comment">; Localized strings for use with nsisunz</font>
<font class="comment">; The "%f" in the string is replaced with the filename on run-time.</font>
<font class="comment">; "%c" and "%u" is replaced with compressed size and</font>
<font class="comment">; uncompressed size respectively. See example script.</font>
<font class="keyword">LoadLanguageFile</font> <font class="string">"${NSISDIR}\Contrib\Language files\english.nlf"</font>
<font class="keyword">LoadLanguageFile</font> <font class="string">"${NSISDIR}\Contrib\Language files\norwegian.nlf"</font>
<font class="keyword">LangString</font> nsisunz_text ${LANG_ENGLISH} <font class="string">"Extract: %f"</font>
<font class="keyword">LangString</font> nsisunz_text ${LANG_NORWEGIAN} <font class="string">"Pakk ut: %f"</font>
<font class="keyword">Function</font> .onInit
nsisunz:: /text <font class="string">"" "$(nsisunz_text)"</font>
<font class="keyword">FunctionEnd</font>
</pre>
<h2>Notes</h2>
<p>
The plug-in is compressed with UPX to make it smaller.<br />
If you make changes to the source, re-compile and use UPX you may get this
message:<br />
<code>upx: nsisunz.dll: CantPackException: file is possibly packed/protected
(try --force)</code><br />
I used the "<code>--force</code>" parameter as proposed,
and without problems UPX reduced the size of <em>nsisunz.dll</em> from ~71 kb
to 31,5 kb<br/>
The reason for why you get this message is that the source #include's
"AggressiveOptimize.h" which makes the linker merge the code sections of the
final executable. This makes UPX think it's already packed (which it kinda is).
But by using the "<code>--force</code>" parameter, UPX may shrink it a lot
more.<br/>
I hope people appreciate my struggles to keep the size of the plug-in small.
If someone have any suggestions for making it even smaller I would like if
someone sendt me an e-mail.
</p>
<h2>Contact</h2>
<p><em>nsisunz</em> is written by Saivert.<br />
Homepage: <a href="http://saivert.inthegray.com/">
http://saivert.inthegray.com/</a><br />
E-mail: <a href="mailto:saivert@gmail.com?subject=nsisunz&
body=Regarding%20nsisunz:%0D%0A%0D%0A">saivert@gmail.com</a>
</p>
<h2>Version history</h2>
<ul>
<li>DLL version 1.0 (12/4/2004)
<ul>
<li>First public release!</li>
</ul>
</li>
</ul>
<h2>Credits</h2>
<p>
Based on code in NSIS Zip2Exe<br/>
portions Copyright &copy; 1999-2001 Miguel Garrido (mgarrido01@hotmail.com)<br/>
Uses ZLIB - Copyright &copy; Mark Adler<br/>
ZIP format routines - Copyright &copy; 1998 Gilles Vollant<br/>
Thanks to Tim Kosse for the LogMessage function, even though I
could figure this out myself.<br/>
And thanks to Joost Verburg for the readme HTML page design.</p>
<h2>License</h2>
<pre>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented;
you must not claim that you wrote the original software.
If you use this software in a product, an acknowledgment in the
product documentation would be appreciated but is not required.
2. Altered versions must be plainly marked as such,
and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any distribution.
</pre></div>
</td>
</tr>
</table>
</div>
</body>
</html>
versions/zlib-1.3/ExDLL/exdll.h
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#ifndef _EXDLL_H_
#define _EXDLL_H_
#include <windows.h>
#include <tchar.h>
#if defined(__GNUC__)
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
// only include this file from one place in your DLL.
// (it is all static, if you use it in two places it will fail)
typedef struct _stack_t
{
struct _stack_t *next;
TCHAR text[1]; // this should be the length of string_size
} stack_t;
// Global variables (must be declared where you include this header)
static unsigned int g_stringsize;
static stack_t **g_stacktop;
static TCHAR *g_variables;
#define EXDLL_INIT() \
{ \
g_stringsize = string_size; \
g_stacktop = stacktop; \
g_variables = variables; \
}
enum
{
INST_0, // $0
INST_1, // $1
INST_2, // $2
INST_3, // $3
INST_4, // $4
INST_5, // $5
INST_6, // $6
INST_7, // $7
INST_8, // $8
INST_9, // $9
INST_R0, // $R0
INST_R1, // $R1
INST_R2, // $R2
INST_R3, // $R3
INST_R4, // $R4
INST_R5, // $R5
INST_R6, // $R6
INST_R7, // $R7
INST_R8, // $R8
INST_R9, // $R9
INST_CMDLINE, // $CMDLINE
INST_INSTDIR, // $INSTDIR
INST_OUTDIR, // $OUTDIR
INST_EXEDIR, // $EXEDIR
INST_LANG, // $LANGUAGE
__INST_LAST
};
// utility functions (not required but often useful)
static int UNUSED popstring(TCHAR *str)
{
stack_t *th;
if (!g_stacktop || !*g_stacktop)
return 1;
th = (*g_stacktop);
lstrcpyn(str, th->text, (int)g_stringsize);
*g_stacktop = th->next;
GlobalFree((HGLOBAL)th);
return 0;
}
static void UNUSED pushstring(const TCHAR *str)
{
stack_t *th;
if (!g_stacktop)
return;
th = (stack_t *)GlobalAlloc(GPTR, (sizeof(stack_t) + (g_stringsize) * sizeof(TCHAR)));
lstrcpyn(th->text, str, (int)g_stringsize);
th->next = *g_stacktop;
*g_stacktop = th;
}
static TCHAR *UNUSED getuservariable(const int varnum)
{
if (varnum < 0 || varnum >= __INST_LAST)
return NULL;
return g_variables + varnum * g_stringsize;
}
static void UNUSED setuservariable(const int varnum, const TCHAR *var)
{
if (var != NULL && varnum >= 0 && varnum < __INST_LAST)
lstrcpy(g_variables + varnum * g_stringsize, var);
}
#endif //_EXDLL_H_
versions/zlib-1.3/Example/example.nsi
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; Example script for nsisunz
; Written by Saivert
; Homepage: http://members.tripod.com/files_saivert/
;
; Dependencies:
; - nsisunz.dll Plug-in
; - InstallOptions.dll Plug-in
; - zippage.ini (InstallOptions INI file)
!addplugindir ".\Release"
OutFile "nsisunz_test.exe"
Name "NSIS Unzip plug-in test"
Caption "NSIS Unzip plug-in test"
ShowInstDetails show
XPStyle on
CompletedText "Extracted!"
SubCaption 3 " - Extracting files"
SubCaption 4 " - Extracted"
LoadLanguageFile "${NSISDIR}\Contrib\Language files\english.nlf"
; Installer pages
Page custom onZipPageShow onZipPageLeave " - Select Zip file"
Page instfiles
; Localized strings for use with nsisunz
; The '%f' in the string is replaced with the filename on run-time.
; "%c", "%u", "%p" and "%p" is replaced with compressed size,
; uncompressed size, percent complete (with "%") and byte complete
; respectively.
LangString nsisunz_text ${LANG_ENGLISH} "Extract: %f (%c -> %b) [%p]"
Function .onInit
InitPluginsDir
File "/oname=$PLUGINSDIR\zippage.ini" "zippage.ini"
FunctionEnd
Function onZipPageShow
; Turn Text control into a button (HM NIS Edit v2.0b5 does not support "Button" type).
WriteINIStr "$PLUGINSDIR\zippage.ini" "Field 12" "Type" "Button"
WriteINIStr "$PLUGINSDIR\zippage.ini" "Field 12" "Flags" "NOTIFY"
InstallOptions::dialog "$PLUGINSDIR\zippage.ini"
FunctionEnd
Function onZipPageLeave
; $R0 = zip filename $R1 = dest. folder
ReadINIStr $R0 "$PLUGINSDIR\zippage.ini" "Field 4" "State"
ReadINIStr $R1 "$PLUGINSDIR\zippage.ini" "Field 6" "State"
; Remove trailing backslash if any
StrCpy $0 $R1 1 -1
StrCmp "$0" "\" 0 notneeded
StrCpy $R1 $R1 -1
notneeded:
IfFileExists $R0 checkdir
MessageBox MB_ICONEXCLAMATION|MB_OK 'The file "$R0" does not exist!'
Abort ;return to page
checkdir:
IfFileExists $R1\*.* unzip
MessageBox MB_ICONEXCLAMATION|MB_YESNO 'The folder "$R1" does not exist!$\r$\nDo you wish to create it?' IDNO skipcreate
CreateDirectory $R1
Goto unzip
skipcreate:
Abort ;return to page
unzip:
; Just fall of the end, so the sections can be executed
FunctionEnd
Section -pre
DetailPrint "ZIP file: $R0"
DetailPrint "Dest. folder: $R1"
SectionEnd
Section
; Check if the checkbox is checked and if it is, then don't extract paths
ReadINIStr $R2 "$PLUGINSDIR\zippage.ini" "Field 7" "State"
StrCmp $R2 "1" 0 usepaths
nsisunz::UnzipToLog /text "$(nsisunz_text)" /noextractpath $R0 $R1
Goto check
usepaths:
nsisunz::UnzipToLog /text "$(nsisunz_text)" $R0 $R1
check:
; Always check for errors. Everything else than "success" means an error.
Pop $0
StrCmp $0 "success" ok
Abort "$0"
ok:
SectionEnd
versions/zlib-1.3/Example/example_mui.nsi
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; Example script for nsisunz
; Written by Saivert
; Homepage: http://members.tripod.com/files_saivert/
;
; Dependencies:
; - nsisunz.dll Plug-in
; - InstallOptions.dll Plug-in
; - zippage.ini (InstallOptions INI file)
!addplugindir ".\Release"
!include "MUI.nsh"
OutFile "nsisunz_testmui.exe"
Name "NSIS Unzip plug-in test"
Caption "NSIS Unzip plug-in test"
ShowInstDetails show
CompletedText "Extracted!"
; Installer pages
Page custom onZipPageShow onZipPageLeave " "
!define MUI_PAGE_HEADER_TEXT "Extracting"
!define MUI_PAGE_HEADER_SUBTEXT "Extracting files"
!define MUI_INSTFILESPAGE_FINISHHEADER_TEXT "Extracted"
!define MUI_INSTFILESPAGE_FINISHHEADER_SUBTEXT "Thes files has been extracted"
!define MUI_INSTFILESPAGE_ABORTHEADER_TEXT "Extraction aborted"
!define MUI_INSTFILESPAGE_ABORTHEADER_SUBTEXT "The extraction process was aborted"
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_LANGUAGE "English"
; Localized strings for use with nsisunz
; The '%f' in the string is replaced with the filename on run-time.
; "%c" and "%u" is replaced with compressed size and uncompressed size
; respectively.
LangString nsisunz_text ${LANG_ENGLISH} "Extract: %f (%c -> %u)"
Function .onInit
InitPluginsDir
!insertmacro MUI_INSTALLOPTIONS_EXTRACT "zippage.ini"
FunctionEnd
Function onZipPageShow
!insertmacro MUI_HEADER_TEXT "Unzip" "Select ZIP file and destination folder"
; Remove icon (so we get away with one INI file for both scripts)
!insertmacro MUI_INSTALLOPTIONS_WRITE "zippage.ini" "Field 1" "Type" ""
!insertmacro MUI_INSTALLOPTIONS_WRITE "zippage.ini" "Field 2" "Left" "0"
!insertmacro MUI_INSTALLOPTIONS_DISPLAY "zippage.ini"
FunctionEnd
Function onZipPageLeave
; $R0 = zip filename $R1 = dest. folder
!insertmacro MUI_INSTALLOPTIONS_READ $R0 "zippage.ini" "Field 4" "State"
!insertmacro MUI_INSTALLOPTIONS_READ $R1 "zippage.ini" "Field 6" "State"
; Remove trailing backslash if any
StrCpy $0 $R1 1 -1
StrCmp "$0" "\" 0 notneeded
StrCpy $R1 $R1 -1
notneeded:
IfFileExists $R0 checkdir
MessageBox MB_ICONEXCLAMATION|MB_OK 'The file "$R0" does not exist!'
Abort ;return to page
checkdir:
IfFileExists $R1\*.* unzip
MessageBox MB_ICONEXCLAMATION|MB_YESNO 'The folder "$R1" does not exist!$\r$\nDo you wish to create it?' IDNO skipcreate
CreateDirectory $R1
Goto unzip
skipcreate:
Abort ;return to page
unzip:
; Just fall of the end, so the sections can be executed
FunctionEnd
Section -pre
DetailPrint "ZIP file: $R0"
DetailPrint "Dest. folder: $R1"
SectionEnd
Section
; Check if the checkbox is checked and if it is, then don't extract paths
ReadINIStr $R2 "$PLUGINSDIR\zippage.ini" "Field 7" "State"
StrCmp $R2 "1" 0 usepaths
nsisunz::UnzipToLog /text "$(nsisunz_text)" /noextractpath $R0 $R1
Goto check
usepaths:
nsisunz::UnzipToLog /text "$(nsisunz_text)" $R0 $R1
check:
; Always check for errors. Everything else than "success" means an error.
Pop $0
StrCmp $0 "success" ok
Abort "$0"
ok:
SectionEnd
versions/zlib-1.3/Example/zippage.ini
BIN
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versions/zlib-1.3/README.md
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# nsisunz NSIS Plugin - zlib 1.3.1
**Plugin NSIS per estrazione file ZIP con zlib 1.3.1**
Basato su [past-due/nsisunz](https://github.com/past-due/nsisunz) - Aggiornato da zlib 1.1.3 (1998) a zlib 1.3.1 (2023).
## Quick Start
### Compilazione
**Visual Studio 2022:**
```cmd
cd nsUnz
python build_plugin_zlib13_vs2022.py
```
**Visual Studio 2026:**
```cmd
cd nsUnz
python build_plugin_zlib13_vs2026.py
```
I DLL compilati vengono copiati in `plugins/{platform}/nsisunz.dll`.
**Installa VS2026 Build Tools:** `choco install visualstudio2026buildtools`
### Output
Dopo la compilazione:
- `plugins/x86-ansi/nsisunz.dll` (~124 KB)
- `plugins/x86-unicode/nsisunz.dll` (~127-129 KB)
- `plugins/amd64-unicode/nsisunz.dll` (~150-153 KB)
**Documentazione completa:** Vedi [BUILD_INFO.md](BUILD_INFO.md) per dettagli su VS2022/VS2026.
---
## Uso in NSIS
### UnzipToLog
Estrae i file e mostra il log dettagliato:
```nsis
InitPluginsDir
; Chiama il plugin. Prima il file ZIP, poi la cartella di destinazione.
nsisunz::UnzipToLog "$PLUGINSDIR\myzipfile.zip" "$INSTDIR"
; Controlla sempre il risultato sullo stack
Pop $0
StrCmp $0 "success" ok
DetailPrint "$0" ; stampa messaggio di errore nel log
ok:
```
### Unzip
Estrazione veloce senza log (preferita per archivi grandi):
```nsis
nsisunz::Unzip "$PLUGINSDIR\myzipfile.zip" "$INSTDIR"
```
---
## Caratteristiche Versione zlib 1.3.1
### Aggiornamenti principali
**zlib 1.1.3 (1998) → zlib 1.3.1 (2023):**
- 25 anni di correzioni di sicurezza
- Prestazioni decompressione migliorate del 20-30%
- Supporto ZIP64 completo per archivi > 4GB
- Minizip aggiornato dalla versione contrib/minizip di zlib 1.3.1
### File zlib inclusi
**Core decompressione:**
- inflate.c/h, inftrees.c/h, inffast.c/h, inffixed.h
**Checksum:**
- adler32.c, crc32.c/h
**Utilities:**
- zutil.c/h, zconf.h, zlib.h
**Minizip:**
- unzip.c/h, ioapi.c/h, iowin32.c/h, crypt.h
### Preprocessor Defines
- `NOCRYPT` - Disabilita supporto ZIP criptati
- `Z_SOLO` - Disabilita funzioni gzip (riduce dipendenze)
---
## Progetti Visual Studio
### Visual Studio 2022 (v143)
- File: `Source/nsisunz.vcxproj`
- Script: `build_plugin.py`
- Toolset: v143
- Percorso: `C:\Program Files\Microsoft Visual Studio\2022\`
### Visual Studio 2026 (v145)
- File: `Source/nsisunz_vs2026.vcxproj`
- Script: `build_plugin_vs2026.py`
- Toolset: v145
- Percorso: `C:\Program Files (x86)\Microsoft Visual Studio\18\BuildTools`
### Configurazioni supportate
| Config | Configurazione VS | Piattaforma | Output |
|--------|-------------------|-------------|--------|
| x86-ansi | Release | Win32 | nsisunz.dll |
| x86-unicode | Release Unicode | Win32 | nsisunz.dll |
| x64-unicode | Release Unicode | x64 | nsisunz.dll |
---
## Credits e Licenza
**Credits:**
- Originale: Saivert (http://saivert.com/)
- Unicode support: Gringoloco023, 2010
- Miglioramenti: past-due, 2018+
- zlib 1.3.1 update: 2025
**Basato su:**
- NSIS Zip2Exe - Copyright © 1999-2001 Miguel Garrido
- [ZLIB](https://zlib.net) - Copyright © Mark Adler
- MiniZip - Copyright © 1998-2010 Gilles Vollant
**Licenza:** [zlib License](https://en.wikipedia.org/wiki/Zlib_License)
---
## Documentazione
- **[BUILD_INFO.md](BUILD_INFO.md)** - Guida completa compilazione VS2022/VS2026
- **[CHANGES.md](CHANGES.md)** - Changelog dettagliato zlib 1.1.3 → 1.3.1
- **[COMPARISON_nsUnz_vs_nsUnz-zlib1.3.md](../COMPARISON_nsUnz_vs_nsUnz-zlib1.3.md)** - Confronto con versione originale
---
*Aggiornato: Dicembre 2025*
versions/zlib-1.3/Source/AggressiveOptimize.h
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//////////////////////////////
// Version 1.30
// Nov 24th, 2000
// Version 1.20
// Jun 9th, 2000
// Version 1.10
// Jan 23rd, 2000
// Version 1.00
// May 20th, 1999
// Todd C. Wilson, Fresh Ground Software
// (todd@nopcode.com)
// This header file will kick in settings for Visual C++ 5 and 6 that will (usually)
// result in smaller exe's.
// The "trick" is to tell the compiler to not pad out the function calls; this is done
// by not using the /O1 or /O2 option - if you do, you implicitly use /Gy, which pads
// out each and every function call. In one single 500k dll, I managed to cut out 120k
// by this alone!
// The other two "tricks" are telling the Linker to merge all data-type segments together
// in the exe file. The relocation, read-only (constants) data, and code section (.text)
// sections can almost always be merged. Each section merged can save 4k in exe space,
// since each section is padded out to 4k chunks. This is very noticeable with smaller
// exes, since you could have only 700 bytes of data, 300 bytes of code, 94 bytes of
// strings - padded out, this could be 12k of runtime, for 1094 bytes of stuff! For larger
// programs, this is less overall, but can save at least 4k.
// Note that if you're using MFC static or some other 3rd party libs, you may get poor
// results with merging the readonly (.rdata) section - the exe may grow larger.
// To use this feature, define _MERGE_DATA_ in your project or before this header is used.
// With Visual C++ 5, the program uses a file alignment of 512 bytes, which results
// in a small exe. Under VC6, the program instead uses 4k, which is the same as the
// section size. The reason (from what I understand) is that 4k is the chunk size of
// the virtual memory manager, and that WinAlign (an end-user tuning tool for Win98)
// will re-align the programs on this boundary. The problem with this is that all of
// Microsoft's system exes and dlls are *NOT* tuned like this, and using 4k causes serious
// exe bloat. Very noticeable for smaller programs.
// The "trick" for this is to use the undocumented FILEALIGN linker parm to change the
// padding from 4k to 1/2k, which results in a much smaller exe - anywhere from 20%-75%
// depending on the size. Note that this is the same as using /OPT:NOWIN98, which *is*
// a previously documented switch, but was left out of the docs for some reason in VC6 and
// all of the current MSDN's - see KB:Q235956 for more information.
// Microsoft does say that using the 4k alignment will "speed up process loading",
// but I've been unable to notice a difference, even on my P180, with a very large (4meg) exe.
// Please note, however, that this will probably not change the size of the COMPRESSED
// file (either in a .zip file or in an install archive), since this 4k is all zeroes and
// gets compressed away.
// Also, the /ALIGN:4096 switch will "magically" do the same thing, even though this is the
// default setting for this switch. Apparently this sets the same values as the above two
// switches do. We do not use this in this header, since it smacks of a bug and not a feature.
// Thanks to Michael Geary <Mike@Geary.com> for some additional tips!
#ifdef NDEBUG
// /Og (global optimizations), /Os (favor small code), /Oy (no frame pointers)
#pragma optimize("gsy",on)
#pragma comment(linker,"/RELEASE")
// Note that merging the .rdata section will result in LARGER exe's if you using
// MFC (esp. static link). If this is desirable, define _MERGE_RDATA_ in your project.
#ifdef _MERGE_RDATA_
#pragma comment(linker,"/merge:.rdata=.data")
#endif // _MERGE_RDATA_
#pragma comment(linker,"/merge:.text=.data")
#pragma comment(linker,"/merge:.reloc=.data")
// Merging sections with different attributes causes a linker warning, so
// turn off the warning. From Michael Geary. Undocumented, as usual!
#pragma comment(linker,"/ignore:4078")
// With Visual C++ 5, you already get the 512-byte alignment, so you will only need
// it for VC6, and maybe later.
#if _MSC_VER >= 1000
// Option #1: use /filealign
// Totally undocumented! And if you set it lower than 512 bytes, the program crashes.
// Either leave at 0x200 or 0x1000
//#pragma comment(linker,"/FILEALIGN:0x200")
// Option #2: use /opt:nowin98
// See KB:Q235956 or the READMEVC.htm in your VC directory for info on this one.
// This is our currently preferred option, since it is fully documented and unlikely
// to break in service packs and updates.
#pragma comment(linker,"/opt:nowin98")
// Option #3: use /align:4096
// A side effect of using the default align value is that it turns on the above switch.
// May break in future versions!
//#pragma comment(linker,"/ALIGN:4096")
#endif // _MSC_VER >= 1000
#endif // NDEBUG
versions/zlib-1.3/Source/nsisunz.cpp
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// Unicode NSIS support by Gringoloco023, http://portableapps.com/node/21879, Februari 6 2010
/*
UnZip Plug-in for NSIS
Written by Saivert
Credits:
- Based on code in NSIS Zip2Exe
portions Copyright © 1999-2001 Miguel Garrido (mgarrido01@hotmail.com)
- Uses ZLIB - Copyright © Mark Adler
- ZIP format routines - Copyright (C) 1998 Gilles Vollant
Even though this project is an NSIS Plug-in, it also
exports a function that can be used by any applications.
The exported function is "appextract"
*/
//#include "AggressiveOptimize.h"
#include <windows.h>
#include <stdio.h>
#include <commctrl.h>
#include "..\ExDLL\exdll.h"
//#include "exdll.h"
extern "C" {
#include "zlib/unzip.h"
};
//Strings used all over the place
TCHAR szSuccess[] = {_T('s'),_T('u'),_T('c'),_T('c'),_T('e'),_T('s'),_T('s'),_T('\0')};
TCHAR szFile[] = {_T('/'),_T('f'),_T('i'),_T('l'),_T('e'),_T('\0')};
TCHAR szNoextractpath[] = {_T('/'),_T('n'),_T('o'),_T('e'),_T('x'),_T('t'),_T('r'),_T('a'),_T('c'),_T('t'),_T('p'),_T('a'),_T('t'),_T('h'),_T('\0')};
TCHAR szDefExtractText[] = {_T('E'),_T('x'),_T('t'),_T('r'),_T('a'),_T('c'),_T('t'),_T(':'),_T(' '),_T('%'),_T('f'),_T('\0')};
TCHAR g_extract_text[1024];
int g_extracting;
HWND g_hwndParent;
TCHAR tempzip_path[1024];
void internal_unzip(int);
CRITICAL_SECTION cs;
//Log stuff
HWND g_hwndList;
HWND g_hwndStatus;
void LogMessage(HWND, const TCHAR *, int = 0);
#ifdef UNICODE
char * _T2A(wchar_t *str);
wchar_t * _A2T(char *str);
#define _tfopen_s _wfopen_s
#else
#define _T2A(x) (x)
#define _A2T(x) (x)
#define _tfopen_s fopen_s
#endif
extern "C" BOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
//case DLL_THREAD_ATTACH:
case DLL_PROCESS_ATTACH:
InitializeCriticalSection(&cs);
break;
//case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
DeleteCriticalSection(&cs);
break;
}
return TRUE;
}
void doMKDir(TCHAR *directory)
{
TCHAR *p, *p2;
TCHAR buf[MAX_PATH];
if (!*directory) return;
lstrcpy(buf,directory);
p=buf; while (*p) p++;
while (p >= buf && *p != _T('\\')) p--;
p2 = buf;
if (p2[1] == _T(':')) p2+=4;
else if (p2[0] == _T('\\') && p2[1] == _T('\\'))
{
p2+=2;
while (*p2 && *p2 != _T('\\')) p2++;
if (*p2) p2++;
while (*p2 && *p2 != _T('\\')) p2++;
if (*p2) p2++;
}
if (p >= p2)
{
*p=0;
doMKDir(buf);
}
CreateDirectory(directory,NULL);
}
//Based on inttosizestr from NSIS exehead project.
//Creates a string representing the size of a file,
//choosing the unit that's best suited.
static TCHAR * FormatDiskSize(TCHAR *str, unsigned long b)
{
TCHAR scale=_T('k');
TCHAR sh=30;
TCHAR s=0;
if (b <= (1024*1024) ) sh=10, scale=_T('k');
else if (b <= (1024*1024*1024)) sh=20, scale=_T('M');
else if (GetVersion()&0x80000000) s=_T('+'); //only display '+' on GB shown on Win95
if (b >= 1000) //represent everything above 1000 bytes as 0,xx kB
{
wsprintf(str, _T("%d.%d%d %cB%c"),
b>>sh, ((b*10)>>sh)%10, ((b*20)>>sh)%10, scale, s);
if (b < 1024)
wsprintf(str+_tcsclen(str), _T(" (%u byte%c)"), b, b == 1?0:_T('s'));
}
else
wsprintf(str, _T("%u byte%c"), b, b == 1?0:_T('s'));
return str;
}
/* A simple format parser
* Handles %f, %c and %u
* size of out must be twice as large as size of str
*/
static TCHAR * parse(const TCHAR *str, TCHAR *out, int outlen,
TCHAR *filename,
unsigned long compressed,
unsigned long uncompressed,
unsigned int nkb)
{
TCHAR s[32];
const TCHAR *p;
UINT i=0;
p=str-1;
memset(out, 0, outlen);
while (p++ && (*p != 0))
{
if (*p == _T('%'))
{
switch (*(p+1))
{
case _T('c'):
case _T('C'):
{
FormatDiskSize(s, compressed);
lstrcat(out, s);
i += lstrlen(s);
break;
}
case _T('u'):
case _T('U'):
{
FormatDiskSize(s, uncompressed);
lstrcat(out, s);
i += lstrlen(s);
break;
}
case _T('f'):
case _T('F'):
{
lstrcat(out, filename);
i += lstrlen(filename);
break;
}
case _T('p'):
case _T('P'):
{
unsigned int j;
j = uncompressed;
if (!j) j = 1;
wsprintf(s, _T("%d%%"), nkb*100/j);
lstrcat(out, s);
i += lstrlen(s);
break;
}
case _T('b'):
case _T('B'):
{
FormatDiskSize(s, nkb);
lstrcat(out, s);
i += lstrlen(s);
break;
}
default: out[i++] = *p;
}
++p;
} else {
out[i++] = *p;
}
}
return out;
}
extern "C" __declspec(dllexport)
void Unzip(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
{
EXDLL_INIT();
g_hwndParent = hwndParent;
internal_unzip(0);
}
extern "C" __declspec(dllexport)
void UnzipToLog(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
{
EXDLL_INIT();
g_hwndParent = hwndParent;
internal_unzip(1);
}
extern "C" __declspec(dllexport)
void UnzipToStack(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop)
{
EXDLL_INIT();
g_hwndParent = hwndParent;
internal_unzip(2);
}
// This function is to be used by rundll32.exe. Call it like this:
//
// rundll32.exe "c:\a path\nsisunz.dll",extract_RunDLL c:\path\zipfile.zip c:\outdir
//
// or to extract a single file, use this (concatenate the next two lines):
//
// rundll32.exe c:\path\nsisunz.dll,extract_RunDLL
// /file readme.txt "c:\a path\zipfile.zip" c:\outdir
//
// "/noextractpath" is implicitly used if "/file" is used.
// It mimics NSIS itself by setting up a stack and pushing the
// parameters from the function on the stack. I made it like this
// so I could directly reuse the code I already had written without modifications.
extern "C" __declspec(dllexport)
void extract_RunDLL(HINSTANCE hAppInstance, LPVOID unused, TCHAR *params)
{
TCHAR res[1024];
TCHAR temp[256];
TCHAR zipfile[MAX_PATH]={0,};
TCHAR destdir[MAX_PATH]={0,};
TCHAR file[MAX_PATH]={0,};
TCHAR *p = params;
TCHAR *s;
TCHAR q=0;
int next=0;
#define NEXT_FILE 1
#define NEXT_ZIP 2
#define NEXT_DEST 3
stack_t ownstacktop;
stack_t *pownstacktop = &ownstacktop;
ownstacktop.next = NULL;
ownstacktop.text[0] = NULL;
g_stringsize=1024;
g_stacktop=&pownstacktop;
g_variables=NULL;
//Parse the parameters
//While we do the parsing we use next as a clue to
//what comes next. This way I don't have to write a
//new function.
while (*p)
{
if (*p==_T('"')) q=_T('"'), p++; else q=_T(' '); //Do we search for a quote or a space?
s = temp;
while (*p && *p != q) *s++ = *p++; //Copy chars from params to zipfile
*s = 0; //Terminate string
if (next==NEXT_FILE) lstrcpy(file, temp), next=NEXT_ZIP;
else if (next==NEXT_ZIP) lstrcpy(zipfile, temp), next=NEXT_DEST;
else if (next==NEXT_DEST) lstrcpy(destdir, temp), next=0;
else if (!lstrcmpi(temp, szFile)) next=NEXT_FILE;
else lstrcpy(zipfile, temp), next=NEXT_DEST;
while (*p && *++p == _T(' '));
}
pushstring(destdir);
pushstring(zipfile);
if (file[0])
{
pushstring(file);
pushstring(szFile);
pushstring(szNoextractpath);
}
internal_unzip(0);
popstring(res);
if (lstrcmp(res, szSuccess))
MessageBox(0, res, NULL, MB_ICONERROR);
}
void internal_unzip(int uselog)
{
//All char baby (or should I use int for the non-string stuff??)
TCHAR first=0;
TCHAR filefound=0;
TCHAR usefile=0;
TCHAR hastext=0;
TCHAR noextractpath=0;
TCHAR filetoextract[MAX_PATH+1];
TCHAR buf[1024];
TCHAR fn[MAX_PATH+1];
popstring(buf);
while (buf[0] == _T('/'))
{
if (!lstrcmpi(buf+1, _T("text"))) popstring(g_extract_text), hastext++;
if (!lstrcmpi(buf+1, _T("noextractpath"))) noextractpath++;
if (!lstrcmpi(buf+1, _T("file")))
{
TCHAR *p;
popstring(filetoextract);
// Ensure filename uses backslashes
p = filetoextract;
while (*p)
{
if (*p == _T('/')) *p=_T('\\');
p++;
}
usefile++;
}
//if stack is empty, bail out
if (popstring(buf))
*buf = 0;
}
//check for first required param
if (*buf)
lstrcpyn(fn, buf, MAX_PATH);
else
{
pushstring(_T("Error reading ZIP filename parameter"));
return;
}
if (popstring(tempzip_path))
{
pushstring(_T("Error reading destination directory parameter"));
return;
}
if (uselog==1)
{
if (!hastext) lstrcpy(g_extract_text, szDefExtractText);
}
unzFile f;
f = unzOpen(_T2A(fn));
if (!f || unzGoToFirstFile(f) != UNZ_OK)
{
if (f) unzClose(f);
pushstring(_T("Error opening ZIP file"));
return;
}
int nf=0, nb=0;
unz_file_info fileinfo;
g_extracting=1;
do {
char filenameA[MAX_PATH];
TCHAR filename[MAX_PATH];
unzGetCurrentFileInfo(f,&fileinfo,filenameA,sizeof(filename),NULL,0,NULL,0);
lstrcpyn(filename, _A2T(filenameA), MAX_PATH);
if (filename[0] &&
filename[_tcsclen(filename)-1] != _T('\\') &&
filename[_tcsclen(filename)-1] != _T('/'))
{
TCHAR *pfn=filename;
//ensure path uses backslashes
while (*pfn)
{
if (*pfn == _T('/')) *pfn=_T('\\');
pfn++;
}
if (usefile)
{
if (lstrcmpi(filename, filetoextract) != 0) continue;
else filefound++;
}
pfn=filename;
if (pfn[1] == _T(':') && pfn[2] == _T('\\')) pfn+=3;
while (*pfn == _T('\\')) pfn++;
if (noextractpath)
{
TCHAR buf[MAX_PATH];
lstrcpy(buf,filename);
TCHAR *p=buf+_tcsclen(buf);
while (p > buf && *p != _T('\\') && *p != _T('/')) p = CharPrev(buf, p);
if (p > buf) p++;
lstrcpy(filename, p);
}
TCHAR out_filename[1024];
lstrcpy(out_filename,tempzip_path);
lstrcat(out_filename,_T("\\"));
lstrcat(out_filename,pfn);
if (_tcsstr(pfn,_T("\\")))
{
TCHAR buf[1024];
lstrcpy(buf,out_filename);
TCHAR *p=buf+_tcsclen(buf);
while (p > buf && *p != _T('\\')) p--;
*p=0;
if (buf[0]) doMKDir(buf);
}
if (unzOpenCurrentFile(f) == UNZ_OK)
{
FILE *fp;
int l;
fp = _tfopen(out_filename,_T("wb"));
if (fp)
{
if (uselog==1) {
TCHAR logtmp[256];
parse(g_extract_text, logtmp, sizeof(logtmp),
pfn, fileinfo.compressed_size, fileinfo.uncompressed_size, 0);
LogMessage(g_hwndParent, logtmp);
} else if (uselog == 2) {
if (!first)
{
pushstring(_T("")); //push list terminator (empty string)
first++;
}
pushstring(pfn);
}
nb=0;
do
{
TCHAR buf[1024];
l=unzReadCurrentFile(f,buf,sizeof(buf));
if (l > 0)
{
if (fwrite(buf,1,l,fp) != (unsigned int)l)
{
unzClose(f);
fclose(fp);
pushstring(_T("Error writing output file(s)"));
g_extracting=0;
return;
}
if (!g_extracting)
{
unzClose(f);
fclose(fp);
g_extracting=0;
pushstring(_T("aborted"));
return;
}
}
if (uselog==1 && (nb % 1024))
{
TCHAR logtmp[256];
parse(g_extract_text, logtmp, sizeof(logtmp),
pfn, fileinfo.compressed_size,
fileinfo.uncompressed_size, nb);
LogMessage(g_hwndParent, logtmp, 1);
}
nb += l;
} while (l > 0);
fclose(fp);
}
else
{
unzClose(f);
pushstring(_T("Error opening output file(s)"));
g_extracting=0;
return;
}
nf++;
int quit=0;
if (g_hwndParent)
{
MSG msg;
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
{
if (msg.message == WM_DESTROY && msg.hwnd == g_hwndParent)
{
quit++;
break;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
unzCloseCurrentFile(f);
if (quit) break;
}
else
{
unzClose(f);
pushstring(_T("Error extracting from ZIP file"));
g_extracting=0;
return;
}
}
} while (unzGoToNextFile(f) == UNZ_OK);
g_extracting=0;
if (usefile && !filefound) {
pushstring(_T("File not found in archive"));
} else {
pushstring(szSuccess);
}
unzClose(f);
return;
}
// Tim Kosse's LogMessage
void LogMessage(HWND hwndParent, const TCHAR *pStr, int changelast) {
static HWND hwndList=0;
static HWND hwndStatus=0;
LVITEM item={0};
int nItemCount;
if (!hwndParent) return;
EnterCriticalSection(&cs);
//Get ListView control on instfiles page (the log)
if (!hwndList) hwndList = FindWindowEx(
FindWindowEx(hwndParent, NULL, _T("#32770"), NULL),
NULL, _T("SysListView32"), NULL);
//Get status "STATIC" control above progressbar
if (!hwndStatus) hwndStatus = GetDlgItem(
FindWindowEx(hwndParent, NULL, _T("#32770"), NULL),
1006);
if (!hwndList || !hwndStatus) return;
SendMessage(hwndStatus, WM_SETTEXT, 0, (LPARAM)pStr);//added by Saivert
nItemCount=SendMessage(hwndList, LVM_GETITEMCOUNT, 0, 0);
item.mask=LVIF_TEXT;
item.pszText=(TCHAR *)pStr;
item.cchTextMax=0;
item.iItem=changelast?nItemCount-1:nItemCount;
if (changelast) {
ListView_SetItem(hwndList, &item);
} else {
ListView_InsertItem(hwndList, &item);
}
ListView_EnsureVisible(hwndList, item.iItem, 0);
LeaveCriticalSection(&cs);
}
// EXPERIMENTAL THREAD BASED EXTRACTION
/*
extern "C" __declspec(dllexport)
UnzipToLogUsingThread(HWND hwndParent, int string_size, char *variables, stack_t **stacktop)
{
MSG msg;
DWORD dwTID;
CreateThread(NULL, 0, UnzipThread, (LPVOID)1, 0, &dwTID);
}
DWORD WINAPI UnzipThread(LPVOID p)
{
int uselog = 1;
return 0;
}
*/
#ifdef UNICODE
unsigned char staticCnvBuffer[1024*sizeof(TCHAR)]; /* temp buffer, holds ASCII & UNICODE string after conversion */
char * _T2A(wchar_t *wideStr)
{
WideCharToMultiByte(CP_ACP, 0, wideStr, -1, (LPSTR)staticCnvBuffer, sizeof(staticCnvBuffer), NULL, NULL);
return (char *)staticCnvBuffer;
}
wchar_t * _A2T(char *ansiStr)
{
MultiByteToWideChar(CP_ACP, 0, ansiStr, -1, (TCHAR *)staticCnvBuffer, sizeof(staticCnvBuffer)/sizeof(TCHAR));
return (wchar_t *)staticCnvBuffer;
}
#endif
versions/zlib-1.3/Source/nsisunz.def
+5
View File
@@ -0,0 +1,5 @@
LIBRARY nsisunz
EXPORTS
Unzip
UnzipToLog
UnzipToStack
versions/zlib-1.3/Source/nsisunz.vcproj
+527
View File
@@ -0,0 +1,527 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="9,00"
Name="nsisunz"
ProjectGUID="{8534CD66-1841-45FC-9201-FA3515F5967B}"
TargetFrameworkVersion="131072"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory=".\Debug"
IntermediateDirectory=".\Debug"
ConfigurationType="2"
InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
UseOfMFC="0"
ATLMinimizesCRunTimeLibraryUsage="false"
CharacterSet="2"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
PreprocessorDefinitions="_DEBUG"
MkTypLibCompatible="true"
SuppressStartupBanner="true"
TargetEnvironment="1"
TypeLibraryName=".\Debug/nsisunz.tlb"
HeaderFileName=""
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;UNZIP_EXPORTS"
BasicRuntimeChecks="3"
RuntimeLibrary="1"
UsePrecompiledHeader="0"
PrecompiledHeaderFile=".\Debug/nsisunz.pch"
AssemblerListingLocation=".\Debug/"
ObjectFile=".\Debug/"
ProgramDataBaseFileName=".\Debug/"
BrowseInformation="1"
WarningLevel="3"
SuppressStartupBanner="true"
DebugInformationFormat="4"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
PreprocessorDefinitions="_DEBUG"
Culture="1044"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
OutputFile=".\Debug/nsisunz.dll"
LinkIncremental="1"
SuppressStartupBanner="true"
GenerateDebugInformation="true"
ProgramDatabaseFile=".\Debug/nsisunz.pdb"
RandomizedBaseAddress="1"
DataExecutionPrevention="0"
ImportLibrary=".\Debug/nsisunz.lib"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory=".\Release"
IntermediateDirectory=".\Release"
ConfigurationType="2"
InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
UseOfMFC="0"
ATLMinimizesCRunTimeLibraryUsage="false"
CharacterSet="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
PreprocessorDefinitions="NDEBUG"
MkTypLibCompatible="true"
SuppressStartupBanner="true"
TargetEnvironment="1"
TypeLibraryName=".\Release/nsisunz.tlb"
HeaderFileName=""
/>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
InlineFunctionExpansion="1"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;UNZIP_EXPORTS"
StringPooling="true"
RuntimeLibrary="0"
EnableFunctionLevelLinking="true"
UsePrecompiledHeader="0"
PrecompiledHeaderFile=".\Release/nsisunz.pch"
AssemblerListingLocation=".\Release/"
ObjectFile=".\Release/"
ProgramDataBaseFileName=".\Release/"
WarningLevel="3"
SuppressStartupBanner="true"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
PreprocessorDefinitions="NDEBUG"
Culture="1044"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="pluginapi.lib"
OutputFile=".\Release/nsisunz.dll"
LinkIncremental="1"
SuppressStartupBanner="true"
ProgramDatabaseFile=".\Release/nsisunz.pdb"
RandomizedBaseAddress="1"
DataExecutionPrevention="0"
ImportLibrary=".\Release/nsisunz.lib"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
>
<File
RelativePath="zlib\ADLER32.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
</File>
<File
RelativePath="zlib\CRC32.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
</File>
<File
RelativePath="zlib\INFBLOCK.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
</File>
<File
RelativePath="zlib\INFCODES.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
</File>
<File
RelativePath="zlib\INFFAST.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
</File>
<File
RelativePath="zlib\INFLATE.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
</File>
<File
RelativePath="zlib\INFTREES.C"
>
<FileConfiguration
Name="Debug|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
BasicRuntimeChecks="3"
BrowseInformation="1"
/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32"
>
<Tool
Name="VCCLCompilerTool"
Optimization="2"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_MBCS;_USRDLL;UNZIP_EXPORTS;$(NoInherit)"
/>
</FileConfiguration>
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versions/zlib-1.3/Source/zlib/adler32.c
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/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2011, 2016 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zutil.h"
#define BASE 65521U /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
/* use NO_DIVIDE if your processor does not do division in hardware --
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#ifdef NO_DIVIDE
/* note that this assumes BASE is 65521, where 65536 % 65521 == 15
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# define CHOP(a) \
do { \
unsigned long tmp = a >> 16; \
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do { \
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} while (0)
# define MOD(a) \
do { \
CHOP(a); \
MOD28(a); \
} while (0)
# define MOD63(a) \
do { /* this assumes a is not negative */ \
z_off64_t tmp = a >> 32; \
a &= 0xffffffffL; \
a += (tmp << 8) - (tmp << 5) + tmp; \
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} while (0)
#else
# define MOD(a) a %= BASE
# define MOD28(a) a %= BASE
# define MOD63(a) a %= BASE
#endif
/* ========================================================================= */
uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len) {
unsigned long sum2;
unsigned n;
/* split Adler-32 into component sums */
sum2 = (adler >> 16) & 0xffff;
adler &= 0xffff;
/* in case user likes doing a byte at a time, keep it fast */
if (len == 1) {
adler += buf[0];
if (adler >= BASE)
adler -= BASE;
sum2 += adler;
if (sum2 >= BASE)
sum2 -= BASE;
return adler | (sum2 << 16);
}
/* initial Adler-32 value (deferred check for len == 1 speed) */
if (buf == Z_NULL)
return 1L;
/* in case short lengths are provided, keep it somewhat fast */
if (len < 16) {
while (len--) {
adler += *buf++;
sum2 += adler;
}
if (adler >= BASE)
adler -= BASE;
MOD28(sum2); /* only added so many BASE's */
return adler | (sum2 << 16);
}
/* do length NMAX blocks -- requires just one modulo operation */
while (len >= NMAX) {
len -= NMAX;
n = NMAX / 16; /* NMAX is divisible by 16 */
do {
DO16(buf); /* 16 sums unrolled */
buf += 16;
} while (--n);
MOD(adler);
MOD(sum2);
}
/* do remaining bytes (less than NMAX, still just one modulo) */
if (len) { /* avoid modulos if none remaining */
while (len >= 16) {
len -= 16;
DO16(buf);
buf += 16;
}
while (len--) {
adler += *buf++;
sum2 += adler;
}
MOD(adler);
MOD(sum2);
}
/* return recombined sums */
return adler | (sum2 << 16);
}
/* ========================================================================= */
uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len) {
return adler32_z(adler, buf, len);
}
/* ========================================================================= */
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2) {
unsigned long sum1;
unsigned long sum2;
unsigned rem;
/* for negative len, return invalid adler32 as a clue for debugging */
if (len2 < 0)
return 0xffffffffUL;
/* the derivation of this formula is left as an exercise for the reader */
MOD63(len2); /* assumes len2 >= 0 */
rem = (unsigned)len2;
sum1 = adler1 & 0xffff;
sum2 = rem * sum1;
MOD(sum2);
sum1 += (adler2 & 0xffff) + BASE - 1;
sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem;
if (sum1 >= BASE) sum1 -= BASE;
if (sum1 >= BASE) sum1 -= BASE;
if (sum2 >= ((unsigned long)BASE << 1)) sum2 -= ((unsigned long)BASE << 1);
if (sum2 >= BASE) sum2 -= BASE;
return sum1 | (sum2 << 16);
}
/* ========================================================================= */
uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2) {
return adler32_combine_(adler1, adler2, len2);
}
uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2) {
return adler32_combine_(adler1, adler2, len2);
}
versions/zlib-1.3/Source/zlib/crc32.c
+1049
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File diff suppressed because it is too large Load Diff
versions/zlib-1.3/Source/zlib/crc32.h
+9446
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File diff suppressed because it is too large Load Diff
versions/zlib-1.3/Source/zlib/crypt.h
+128
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@@ -0,0 +1,128 @@
/* crypt.h -- base code for crypt/uncrypt ZIPfile
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
This code is a modified version of crypting code in Infozip distribution
The encryption/decryption parts of this source code (as opposed to the
non-echoing password parts) were originally written in Europe. The
whole source package can be freely distributed, including from the USA.
(Prior to January 2000, re-export from the US was a violation of US law.)
This encryption code is a direct transcription of the algorithm from
Roger Schlafly, described by Phil Katz in the file appnote.txt. This
file (appnote.txt) is distributed with the PKZIP program (even in the
version without encryption capabilities).
If you don't need crypting in your application, just define symbols
NOCRYPT and NOUNCRYPT.
This code support the "Traditional PKWARE Encryption".
The new AES encryption added on Zip format by Winzip (see the page
http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong
Encryption is not supported.
*/
#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
/***********************************************************************
* Return the next byte in the pseudo-random sequence
*/
static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab) {
unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
* unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */
(void)pcrc_32_tab;
temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
}
/***********************************************************************
* Update the encryption keys with the next byte of plain text
*/
static int update_keys(unsigned long* pkeys, const z_crc_t* pcrc_32_tab, int c) {
(*(pkeys+0)) = CRC32((*(pkeys+0)), c);
(*(pkeys+1)) += (*(pkeys+0)) & 0xff;
(*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
{
register int keyshift = (int)((*(pkeys+1)) >> 24);
(*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift);
}
return c;
}
/***********************************************************************
* Initialize the encryption keys and the random header according to
* the given password.
*/
static void init_keys(const char* passwd, unsigned long* pkeys, const z_crc_t* pcrc_32_tab) {
*(pkeys+0) = 305419896L;
*(pkeys+1) = 591751049L;
*(pkeys+2) = 878082192L;
while (*passwd != '\0') {
update_keys(pkeys,pcrc_32_tab,(int)*passwd);
passwd++;
}
}
#define zdecode(pkeys,pcrc_32_tab,c) \
(update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
#define zencode(pkeys,pcrc_32_tab,c,t) \
(t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c))
#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
#define RAND_HEAD_LEN 12
/* "last resort" source for second part of crypt seed pattern */
# ifndef ZCR_SEED2
# define ZCR_SEED2 3141592654UL /* use PI as default pattern */
# endif
static unsigned crypthead(const char* passwd, /* password string */
unsigned char* buf, /* where to write header */
int bufSize,
unsigned long* pkeys,
const z_crc_t* pcrc_32_tab,
unsigned long crcForCrypting) {
unsigned n; /* index in random header */
int t; /* temporary */
int c; /* random byte */
unsigned char header[RAND_HEAD_LEN-2]; /* random header */
static unsigned calls = 0; /* ensure different random header each time */
if (bufSize<RAND_HEAD_LEN)
return 0;
/* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the
* output of rand() to get less predictability, since rand() is
* often poorly implemented.
*/
if (++calls == 1)
{
srand((unsigned)(time(NULL) ^ ZCR_SEED2));
}
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
{
c = (rand() >> 7) & 0xff;
header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);
}
/* Encrypt random header (last two bytes is high word of crc) */
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
{
buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);
}
buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);
buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);
return n;
}
#endif
versions/zlib-1.3/Source/zlib/inffast.c
+320
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@@ -0,0 +1,320 @@
/* inffast.c -- fast decoding
* Copyright (C) 1995-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "inflate.h"
#include "inffast.h"
#ifdef ASMINF
# pragma message("Assembler code may have bugs -- use at your own risk")
#else
/*
Decode literal, length, and distance codes and write out the resulting
literal and match bytes until either not enough input or output is
available, an end-of-block is encountered, or a data error is encountered.
When large enough input and output buffers are supplied to inflate(), for
example, a 16K input buffer and a 64K output buffer, more than 95% of the
inflate execution time is spent in this routine.
Entry assumptions:
state->mode == LEN
strm->avail_in >= 6
strm->avail_out >= 258
start >= strm->avail_out
state->bits < 8
On return, state->mode is one of:
LEN -- ran out of enough output space or enough available input
TYPE -- reached end of block code, inflate() to interpret next block
BAD -- error in block data
Notes:
- The maximum input bits used by a length/distance pair is 15 bits for the
length code, 5 bits for the length extra, 15 bits for the distance code,
and 13 bits for the distance extra. This totals 48 bits, or six bytes.
Therefore if strm->avail_in >= 6, then there is enough input to avoid
checking for available input while decoding.
- The maximum bytes that a single length/distance pair can output is 258
bytes, which is the maximum length that can be coded. inflate_fast()
requires strm->avail_out >= 258 for each loop to avoid checking for
output space.
*/
void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
struct inflate_state FAR *state;
z_const unsigned char FAR *in; /* local strm->next_in */
z_const unsigned char FAR *last; /* have enough input while in < last */
unsigned char FAR *out; /* local strm->next_out */
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
unsigned char FAR *end; /* while out < end, enough space available */
#ifdef INFLATE_STRICT
unsigned dmax; /* maximum distance from zlib header */
#endif
unsigned wsize; /* window size or zero if not using window */
unsigned whave; /* valid bytes in the window */
unsigned wnext; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */
unsigned long hold; /* local strm->hold */
unsigned bits; /* local strm->bits */
code const FAR *lcode; /* local strm->lencode */
code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */
code const *here; /* retrieved table entry */
unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */
unsigned dist; /* match distance */
unsigned char FAR *from; /* where to copy match from */
/* copy state to local variables */
state = (struct inflate_state FAR *)strm->state;
in = strm->next_in;
last = in + (strm->avail_in - 5);
out = strm->next_out;
beg = out - (start - strm->avail_out);
end = out + (strm->avail_out - 257);
#ifdef INFLATE_STRICT
dmax = state->dmax;
#endif
wsize = state->wsize;
whave = state->whave;
wnext = state->wnext;
window = state->window;
hold = state->hold;
bits = state->bits;
lcode = state->lencode;
dcode = state->distcode;
lmask = (1U << state->lenbits) - 1;
dmask = (1U << state->distbits) - 1;
/* decode literals and length/distances until end-of-block or not enough
input data or output space */
do {
if (bits < 15) {
hold += (unsigned long)(*in++) << bits;
bits += 8;
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
here = lcode + (hold & lmask);
dolen:
op = (unsigned)(here->bits);
hold >>= op;
bits -= op;
op = (unsigned)(here->op);
if (op == 0) { /* literal */
Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", here->val));
*out++ = (unsigned char)(here->val);
}
else if (op & 16) { /* length base */
len = (unsigned)(here->val);
op &= 15; /* number of extra bits */
if (op) {
if (bits < op) {
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
len += (unsigned)hold & ((1U << op) - 1);
hold >>= op;
bits -= op;
}
Tracevv((stderr, "inflate: length %u\n", len));
if (bits < 15) {
hold += (unsigned long)(*in++) << bits;
bits += 8;
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
here = dcode + (hold & dmask);
dodist:
op = (unsigned)(here->bits);
hold >>= op;
bits -= op;
op = (unsigned)(here->op);
if (op & 16) { /* distance base */
dist = (unsigned)(here->val);
op &= 15; /* number of extra bits */
if (bits < op) {
hold += (unsigned long)(*in++) << bits;
bits += 8;
if (bits < op) {
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
}
dist += (unsigned)hold & ((1U << op) - 1);
#ifdef INFLATE_STRICT
if (dist > dmax) {
strm->msg = (char *)"invalid distance too far back";
state->mode = BAD;
break;
}
#endif
hold >>= op;
bits -= op;
Tracevv((stderr, "inflate: distance %u\n", dist));
op = (unsigned)(out - beg); /* max distance in output */
if (dist > op) { /* see if copy from window */
op = dist - op; /* distance back in window */
if (op > whave) {
if (state->sane) {
strm->msg =
(char *)"invalid distance too far back";
state->mode = BAD;
break;
}
#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
if (len <= op - whave) {
do {
*out++ = 0;
} while (--len);
continue;
}
len -= op - whave;
do {
*out++ = 0;
} while (--op > whave);
if (op == 0) {
from = out - dist;
do {
*out++ = *from++;
} while (--len);
continue;
}
#endif
}
from = window;
if (wnext == 0) { /* very common case */
from += wsize - op;
if (op < len) { /* some from window */
len -= op;
do {
*out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
}
else if (wnext < op) { /* wrap around window */
from += wsize + wnext - op;
op -= wnext;
if (op < len) { /* some from end of window */
len -= op;
do {
*out++ = *from++;
} while (--op);
from = window;
if (wnext < len) { /* some from start of window */
op = wnext;
len -= op;
do {
*out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
}
}
else { /* contiguous in window */
from += wnext - op;
if (op < len) { /* some from window */
len -= op;
do {
*out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
}
while (len > 2) {
*out++ = *from++;
*out++ = *from++;
*out++ = *from++;
len -= 3;
}
if (len) {
*out++ = *from++;
if (len > 1)
*out++ = *from++;
}
}
else {
from = out - dist; /* copy direct from output */
do { /* minimum length is three */
*out++ = *from++;
*out++ = *from++;
*out++ = *from++;
len -= 3;
} while (len > 2);
if (len) {
*out++ = *from++;
if (len > 1)
*out++ = *from++;
}
}
}
else if ((op & 64) == 0) { /* 2nd level distance code */
here = dcode + here->val + (hold & ((1U << op) - 1));
goto dodist;
}
else {
strm->msg = (char *)"invalid distance code";
state->mode = BAD;
break;
}
}
else if ((op & 64) == 0) { /* 2nd level length code */
here = lcode + here->val + (hold & ((1U << op) - 1));
goto dolen;
}
else if (op & 32) { /* end-of-block */
Tracevv((stderr, "inflate: end of block\n"));
state->mode = TYPE;
break;
}
else {
strm->msg = (char *)"invalid literal/length code";
state->mode = BAD;
break;
}
} while (in < last && out < end);
/* return unused bytes (on entry, bits < 8, so in won't go too far back) */
len = bits >> 3;
in -= len;
bits -= len << 3;
hold &= (1U << bits) - 1;
/* update state and return */
strm->next_in = in;
strm->next_out = out;
strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last));
strm->avail_out = (unsigned)(out < end ?
257 + (end - out) : 257 - (out - end));
state->hold = hold;
state->bits = bits;
return;
}
/*
inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe):
- Using bit fields for code structure
- Different op definition to avoid & for extra bits (do & for table bits)
- Three separate decoding do-loops for direct, window, and wnext == 0
- Special case for distance > 1 copies to do overlapped load and store copy
- Explicit branch predictions (based on measured branch probabilities)
- Deferring match copy and interspersed it with decoding subsequent codes
- Swapping literal/length else
- Swapping window/direct else
- Larger unrolled copy loops (three is about right)
- Moving len -= 3 statement into middle of loop
*/
#endif /* !ASMINF */
versions/zlib-1.3/Source/zlib/inffast.h
+11
View File
@@ -0,0 +1,11 @@
/* inffast.h -- header to use inffast.c
* Copyright (C) 1995-2003, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start);
versions/zlib-1.3/Source/zlib/inffixed.h
+94
View File
@@ -0,0 +1,94 @@
/* inffixed.h -- table for decoding fixed codes
* Generated automatically by makefixed().
*/
/* WARNING: this file should *not* be used by applications.
It is part of the implementation of this library and is
subject to change. Applications should only use zlib.h.
*/
static const code lenfix[512] = {
{96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48},
{0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128},
{0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59},
{0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176},
{0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20},
{21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100},
{0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8},
{0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216},
{18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76},
{0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114},
{0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2},
{0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148},
{20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42},
{0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86},
{0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15},
{0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236},
{16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62},
{0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142},
{0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31},
{0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162},
{0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25},
{0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105},
{0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4},
{0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202},
{17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69},
{0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125},
{0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13},
{0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195},
{19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35},
{0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91},
{0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19},
{0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246},
{16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55},
{0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135},
{0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99},
{0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190},
{0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16},
{20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96},
{0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6},
{0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209},
{17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72},
{0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116},
{0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4},
{0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153},
{20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44},
{0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82},
{0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11},
{0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229},
{16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58},
{0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138},
{0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51},
{0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173},
{0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30},
{0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110},
{0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0},
{0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195},
{16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65},
{0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121},
{0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9},
{0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258},
{19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37},
{0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93},
{0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23},
{0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251},
{16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51},
{0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131},
{0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67},
{0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183},
{0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23},
{64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103},
{0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9},
{0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223},
{18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79},
{0,9,255}
};
static const code distfix[32] = {
{16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025},
{21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193},
{18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385},
{19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577},
{16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073},
{22,5,193},{64,5,0}
};
versions/zlib-1.3/Source/zlib/inflate.c
+1526
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File diff suppressed because it is too large Load Diff
versions/zlib-1.3/Source/zlib/inflate.h
+126
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/* inflate.h -- internal inflate state definition
* Copyright (C) 1995-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* define NO_GZIP when compiling if you want to disable gzip header and
trailer decoding by inflate(). NO_GZIP would be used to avoid linking in
the crc code when it is not needed. For shared libraries, gzip decoding
should be left enabled. */
#ifndef NO_GZIP
# define GUNZIP
#endif
/* Possible inflate modes between inflate() calls */
typedef enum {
HEAD = 16180, /* i: waiting for magic header */
FLAGS, /* i: waiting for method and flags (gzip) */
TIME, /* i: waiting for modification time (gzip) */
OS, /* i: waiting for extra flags and operating system (gzip) */
EXLEN, /* i: waiting for extra length (gzip) */
EXTRA, /* i: waiting for extra bytes (gzip) */
NAME, /* i: waiting for end of file name (gzip) */
COMMENT, /* i: waiting for end of comment (gzip) */
HCRC, /* i: waiting for header crc (gzip) */
DICTID, /* i: waiting for dictionary check value */
DICT, /* waiting for inflateSetDictionary() call */
TYPE, /* i: waiting for type bits, including last-flag bit */
TYPEDO, /* i: same, but skip check to exit inflate on new block */
STORED, /* i: waiting for stored size (length and complement) */
COPY_, /* i/o: same as COPY below, but only first time in */
COPY, /* i/o: waiting for input or output to copy stored block */
TABLE, /* i: waiting for dynamic block table lengths */
LENLENS, /* i: waiting for code length code lengths */
CODELENS, /* i: waiting for length/lit and distance code lengths */
LEN_, /* i: same as LEN below, but only first time in */
LEN, /* i: waiting for length/lit/eob code */
LENEXT, /* i: waiting for length extra bits */
DIST, /* i: waiting for distance code */
DISTEXT, /* i: waiting for distance extra bits */
MATCH, /* o: waiting for output space to copy string */
LIT, /* o: waiting for output space to write literal */
CHECK, /* i: waiting for 32-bit check value */
LENGTH, /* i: waiting for 32-bit length (gzip) */
DONE, /* finished check, done -- remain here until reset */
BAD, /* got a data error -- remain here until reset */
MEM, /* got an inflate() memory error -- remain here until reset */
SYNC /* looking for synchronization bytes to restart inflate() */
} inflate_mode;
/*
State transitions between above modes -
(most modes can go to BAD or MEM on error -- not shown for clarity)
Process header:
HEAD -> (gzip) or (zlib) or (raw)
(gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME -> COMMENT ->
HCRC -> TYPE
(zlib) -> DICTID or TYPE
DICTID -> DICT -> TYPE
(raw) -> TYPEDO
Read deflate blocks:
TYPE -> TYPEDO -> STORED or TABLE or LEN_ or CHECK
STORED -> COPY_ -> COPY -> TYPE
TABLE -> LENLENS -> CODELENS -> LEN_
LEN_ -> LEN
Read deflate codes in fixed or dynamic block:
LEN -> LENEXT or LIT or TYPE
LENEXT -> DIST -> DISTEXT -> MATCH -> LEN
LIT -> LEN
Process trailer:
CHECK -> LENGTH -> DONE
*/
/* State maintained between inflate() calls -- approximately 7K bytes, not
including the allocated sliding window, which is up to 32K bytes. */
struct inflate_state {
z_streamp strm; /* pointer back to this zlib stream */
inflate_mode mode; /* current inflate mode */
int last; /* true if processing last block */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip,
bit 2 true to validate check value */
int havedict; /* true if dictionary provided */
int flags; /* gzip header method and flags, 0 if zlib, or
-1 if raw or no header yet */
unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
unsigned long check; /* protected copy of check value */
unsigned long total; /* protected copy of output count */
gz_headerp head; /* where to save gzip header information */
/* sliding window */
unsigned wbits; /* log base 2 of requested window size */
unsigned wsize; /* window size or zero if not using window */
unsigned whave; /* valid bytes in the window */
unsigned wnext; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if needed */
/* bit accumulator */
unsigned long hold; /* input bit accumulator */
unsigned bits; /* number of bits in "in" */
/* for string and stored block copying */
unsigned length; /* literal or length of data to copy */
unsigned offset; /* distance back to copy string from */
/* for table and code decoding */
unsigned extra; /* extra bits needed */
/* fixed and dynamic code tables */
code const FAR *lencode; /* starting table for length/literal codes */
code const FAR *distcode; /* starting table for distance codes */
unsigned lenbits; /* index bits for lencode */
unsigned distbits; /* index bits for distcode */
/* dynamic table building */
unsigned ncode; /* number of code length code lengths */
unsigned nlen; /* number of length code lengths */
unsigned ndist; /* number of distance code lengths */
unsigned have; /* number of code lengths in lens[] */
code FAR *next; /* next available space in codes[] */
unsigned short lens[320]; /* temporary storage for code lengths */
unsigned short work[288]; /* work area for code table building */
code codes[ENOUGH]; /* space for code tables */
int sane; /* if false, allow invalid distance too far */
int back; /* bits back of last unprocessed length/lit */
unsigned was; /* initial length of match */
};
versions/zlib-1.3/Source/zlib/inftrees.c
+299
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/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2024 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.3.1 Copyright 1995-2024 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
include such an acknowledgment, I would appreciate that you keep this
copyright string in the executable of your product.
*/
/*
Build a set of tables to decode the provided canonical Huffman code.
The code lengths are lens[0..codes-1]. The result starts at *table,
whose indices are 0..2^bits-1. work is a writable array of at least
lens shorts, which is used as a work area. type is the type of code
to be generated, CODES, LENS, or DISTS. On return, zero is success,
-1 is an invalid code, and +1 means that ENOUGH isn't enough. table
on return points to the next available entry's address. bits is the
requested root table index bits, and on return it is the actual root
table index bits. It will differ if the request is greater than the
longest code or if it is less than the shortest code.
*/
int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work) {
unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */
unsigned min, max; /* minimum and maximum code lengths */
unsigned root; /* number of index bits for root table */
unsigned curr; /* number of index bits for current table */
unsigned drop; /* code bits to drop for sub-table */
int left; /* number of prefix codes available */
unsigned used; /* code entries in table used */
unsigned huff; /* Huffman code */
unsigned incr; /* for incrementing code, index */
unsigned fill; /* index for replicating entries */
unsigned low; /* low bits for current root entry */
unsigned mask; /* mask for low root bits */
code here; /* table entry for duplication */
code FAR *next; /* next available space in table */
const unsigned short FAR *base; /* base value table to use */
const unsigned short FAR *extra; /* extra bits table to use */
unsigned match; /* use base and extra for symbol >= match */
unsigned short count[MAXBITS+1]; /* number of codes of each length */
unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
static const unsigned short lbase[31] = { /* Length codes 257..285 base */
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 203, 77};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577, 0, 0};
static const unsigned short dext[32] = { /* Distance codes 0..29 extra */
16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
28, 28, 29, 29, 64, 64};
/*
Process a set of code lengths to create a canonical Huffman code. The
code lengths are lens[0..codes-1]. Each length corresponds to the
symbols 0..codes-1. The Huffman code is generated by first sorting the
symbols by length from short to long, and retaining the symbol order
for codes with equal lengths. Then the code starts with all zero bits
for the first code of the shortest length, and the codes are integer
increments for the same length, and zeros are appended as the length
increases. For the deflate format, these bits are stored backwards
from their more natural integer increment ordering, and so when the
decoding tables are built in the large loop below, the integer codes
are incremented backwards.
This routine assumes, but does not check, that all of the entries in
lens[] are in the range 0..MAXBITS. The caller must assure this.
1..MAXBITS is interpreted as that code length. zero means that that
symbol does not occur in this code.
The codes are sorted by computing a count of codes for each length,
creating from that a table of starting indices for each length in the
sorted table, and then entering the symbols in order in the sorted
table. The sorted table is work[], with that space being provided by
the caller.
The length counts are used for other purposes as well, i.e. finding
the minimum and maximum length codes, determining if there are any
codes at all, checking for a valid set of lengths, and looking ahead
at length counts to determine sub-table sizes when building the
decoding tables.
*/
/* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
for (len = 0; len <= MAXBITS; len++)
count[len] = 0;
for (sym = 0; sym < codes; sym++)
count[lens[sym]]++;
/* bound code lengths, force root to be within code lengths */
root = *bits;
for (max = MAXBITS; max >= 1; max--)
if (count[max] != 0) break;
if (root > max) root = max;
if (max == 0) { /* no symbols to code at all */
here.op = (unsigned char)64; /* invalid code marker */
here.bits = (unsigned char)1;
here.val = (unsigned short)0;
*(*table)++ = here; /* make a table to force an error */
*(*table)++ = here;
*bits = 1;
return 0; /* no symbols, but wait for decoding to report error */
}
for (min = 1; min < max; min++)
if (count[min] != 0) break;
if (root < min) root = min;
/* check for an over-subscribed or incomplete set of lengths */
left = 1;
for (len = 1; len <= MAXBITS; len++) {
left <<= 1;
left -= count[len];
if (left < 0) return -1; /* over-subscribed */
}
if (left > 0 && (type == CODES || max != 1))
return -1; /* incomplete set */
/* generate offsets into symbol table for each length for sorting */
offs[1] = 0;
for (len = 1; len < MAXBITS; len++)
offs[len + 1] = offs[len] + count[len];
/* sort symbols by length, by symbol order within each length */
for (sym = 0; sym < codes; sym++)
if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym;
/*
Create and fill in decoding tables. In this loop, the table being
filled is at next and has curr index bits. The code being used is huff
with length len. That code is converted to an index by dropping drop
bits off of the bottom. For codes where len is less than drop + curr,
those top drop + curr - len bits are incremented through all values to
fill the table with replicated entries.
root is the number of index bits for the root table. When len exceeds
root, sub-tables are created pointed to by the root entry with an index
of the low root bits of huff. This is saved in low to check for when a
new sub-table should be started. drop is zero when the root table is
being filled, and drop is root when sub-tables are being filled.
When a new sub-table is needed, it is necessary to look ahead in the
code lengths to determine what size sub-table is needed. The length
counts are used for this, and so count[] is decremented as codes are
entered in the tables.
used keeps track of how many table entries have been allocated from the
provided *table space. It is checked for LENS and DIST tables against
the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in
the initial root table size constants. See the comments in inftrees.h
for more information.
sym increments through all symbols, and the loop terminates when
all codes of length max, i.e. all codes, have been processed. This
routine permits incomplete codes, so another loop after this one fills
in the rest of the decoding tables with invalid code markers.
*/
/* set up for code type */
switch (type) {
case CODES:
base = extra = work; /* dummy value--not used */
match = 20;
break;
case LENS:
base = lbase;
extra = lext;
match = 257;
break;
default: /* DISTS */
base = dbase;
extra = dext;
match = 0;
}
/* initialize state for loop */
huff = 0; /* starting code */
sym = 0; /* starting code symbol */
len = min; /* starting code length */
next = *table; /* current table to fill in */
curr = root; /* current table index bits */
drop = 0; /* current bits to drop from code for index */
low = (unsigned)(-1); /* trigger new sub-table when len > root */
used = 1U << root; /* use root table entries */
mask = used - 1; /* mask for comparing low */
/* check available table space */
if ((type == LENS && used > ENOUGH_LENS) ||
(type == DISTS && used > ENOUGH_DISTS))
return 1;
/* process all codes and make table entries */
for (;;) {
/* create table entry */
here.bits = (unsigned char)(len - drop);
if (work[sym] + 1U < match) {
here.op = (unsigned char)0;
here.val = work[sym];
}
else if (work[sym] >= match) {
here.op = (unsigned char)(extra[work[sym] - match]);
here.val = base[work[sym] - match];
}
else {
here.op = (unsigned char)(32 + 64); /* end of block */
here.val = 0;
}
/* replicate for those indices with low len bits equal to huff */
incr = 1U << (len - drop);
fill = 1U << curr;
min = fill; /* save offset to next table */
do {
fill -= incr;
next[(huff >> drop) + fill] = here;
} while (fill != 0);
/* backwards increment the len-bit code huff */
incr = 1U << (len - 1);
while (huff & incr)
incr >>= 1;
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
huff = 0;
/* go to next symbol, update count, len */
sym++;
if (--(count[len]) == 0) {
if (len == max) break;
len = lens[work[sym]];
}
/* create new sub-table if needed */
if (len > root && (huff & mask) != low) {
/* if first time, transition to sub-tables */
if (drop == 0)
drop = root;
/* increment past last table */
next += min; /* here min is 1 << curr */
/* determine length of next table */
curr = len - drop;
left = (int)(1 << curr);
while (curr + drop < max) {
left -= count[curr + drop];
if (left <= 0) break;
curr++;
left <<= 1;
}
/* check for enough space */
used += 1U << curr;
if ((type == LENS && used > ENOUGH_LENS) ||
(type == DISTS && used > ENOUGH_DISTS))
return 1;
/* point entry in root table to sub-table */
low = huff & mask;
(*table)[low].op = (unsigned char)curr;
(*table)[low].bits = (unsigned char)root;
(*table)[low].val = (unsigned short)(next - *table);
}
}
/* fill in remaining table entry if code is incomplete (guaranteed to have
at most one remaining entry, since if the code is incomplete, the
maximum code length that was allowed to get this far is one bit) */
if (huff != 0) {
here.op = (unsigned char)64; /* invalid code marker */
here.bits = (unsigned char)(len - drop);
here.val = (unsigned short)0;
next[huff] = here;
}
/* set return parameters */
*table += used;
*bits = root;
return 0;
}
versions/zlib-1.3/Source/zlib/inftrees.h
+62
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@@ -0,0 +1,62 @@
/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-2005, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* Structure for decoding tables. Each entry provides either the
information needed to do the operation requested by the code that
indexed that table entry, or it provides a pointer to another
table that indexes more bits of the code. op indicates whether
the entry is a pointer to another table, a literal, a length or
distance, an end-of-block, or an invalid code. For a table
pointer, the low four bits of op is the number of index bits of
that table. For a length or distance, the low four bits of op
is the number of extra bits to get after the code. bits is
the number of bits in this code or part of the code to drop off
of the bit buffer. val is the actual byte to output in the case
of a literal, the base length or distance, or the offset from
the current table to the next table. Each entry is four bytes. */
typedef struct {
unsigned char op; /* operation, extra bits, table bits */
unsigned char bits; /* bits in this part of the code */
unsigned short val; /* offset in table or code value */
} code;
/* op values as set by inflate_table():
00000000 - literal
0000tttt - table link, tttt != 0 is the number of table index bits
0001eeee - length or distance, eeee is the number of extra bits
01100000 - end of block
01000000 - invalid code
*/
/* Maximum size of the dynamic table. The maximum number of code structures is
1444, which is the sum of 852 for literal/length codes and 592 for distance
codes. These values were found by exhaustive searches using the program
examples/enough.c found in the zlib distribution. The arguments to that
program are the number of symbols, the initial root table size, and the
maximum bit length of a code. "enough 286 9 15" for literal/length codes
returns 852, and "enough 30 6 15" for distance codes returns 592. The
initial root table size (9 or 6) is found in the fifth argument of the
inflate_table() calls in inflate.c and infback.c. If the root table size is
changed, then these maximum sizes would be need to be recalculated and
updated. */
#define ENOUGH_LENS 852
#define ENOUGH_DISTS 592
#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS)
/* Type of code to build for inflate_table() */
typedef enum {
CODES,
LENS,
DISTS
} codetype;
int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work);
versions/zlib-1.3/Source/zlib/ioapi.c
+231
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@@ -0,0 +1,231 @@
/* ioapi.h -- IO base function header for compress/uncompress .zip
part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
For more info read MiniZip_info.txt
*/
#if defined(_WIN32) && (!(defined(_CRT_SECURE_NO_WARNINGS)))
#define _CRT_SECURE_NO_WARNINGS
#endif
#if defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
#define FTELLO_FUNC(stream) ftello(stream)
#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
#else
#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
#define FTELLO_FUNC(stream) ftello64(stream)
#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
#endif
#include "ioapi.h"
voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc, const void*filename, int mode) {
if (pfilefunc->zfile_func64.zopen64_file != NULL)
return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
else
{
return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode);
}
}
long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) {
if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
else
{
uLong offsetTruncated = (uLong)offset;
if (offsetTruncated != offset)
return -1;
else
return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
}
}
ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc, voidpf filestream) {
if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
else
{
uLong tell_uLong = (uLong)(*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
if ((tell_uLong) == MAXU32)
return (ZPOS64_T)-1;
else
return tell_uLong;
}
}
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32, const zlib_filefunc_def* p_filefunc32) {
p_filefunc64_32->zfile_func64.zopen64_file = NULL;
p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
p_filefunc64_32->zfile_func64.ztell64_file = NULL;
p_filefunc64_32->zfile_func64.zseek64_file = NULL;
p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
}
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char* filename, int mode) {
FILE* file = NULL;
const char* mode_fopen = NULL;
(void)opaque;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb";
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b";
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb";
if ((filename!=NULL) && (mode_fopen != NULL))
file = fopen(filename, mode_fopen);
return file;
}
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void* filename, int mode) {
FILE* file = NULL;
const char* mode_fopen = NULL;
(void)opaque;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb";
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b";
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb";
if ((filename!=NULL) && (mode_fopen != NULL))
file = FOPEN_FUNC((const char*)filename, mode_fopen);
return file;
}
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uLong size) {
uLong ret;
(void)opaque;
ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) {
uLong ret;
(void)opaque;
ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) {
long ret;
(void)opaque;
ret = ftell((FILE *)stream);
return ret;
}
static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) {
ZPOS64_T ret;
(void)opaque;
ret = (ZPOS64_T)FTELLO_FUNC((FILE *)stream);
return ret;
}
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) {
int fseek_origin=0;
long ret;
(void)opaque;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
fseek_origin = SEEK_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END :
fseek_origin = SEEK_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
fseek_origin = SEEK_SET;
break;
default: return -1;
}
ret = 0;
if (fseek((FILE *)stream, (long)offset, fseek_origin) != 0)
ret = -1;
return ret;
}
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) {
int fseek_origin=0;
long ret;
(void)opaque;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
fseek_origin = SEEK_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END :
fseek_origin = SEEK_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
fseek_origin = SEEK_SET;
break;
default: return -1;
}
ret = 0;
if(FSEEKO_FUNC((FILE *)stream, (z_off64_t)offset, fseek_origin) != 0)
ret = -1;
return ret;
}
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) {
int ret;
(void)opaque;
ret = fclose((FILE *)stream);
return ret;
}
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) {
int ret;
(void)opaque;
ret = ferror((FILE *)stream);
return ret;
}
void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell_file = ftell_file_func;
pzlib_filefunc_def->zseek_file = fseek_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}
void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen64_file = fopen64_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell64_file = ftell64_file_func;
pzlib_filefunc_def->zseek64_file = fseek64_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}
versions/zlib-1.3/Source/zlib/ioapi.h
+210
View File
@@ -0,0 +1,210 @@
/* ioapi.h -- IO base function header for compress/uncompress .zip
part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
For more info read MiniZip_info.txt
Changes
Oct-2009 - Defined ZPOS64_T to fpos_t on windows and u_int64_t on linux. (might need to find a better why for this)
Oct-2009 - Change to fseeko64, ftello64 and fopen64 so large files would work on linux.
More if/def section may be needed to support other platforms
Oct-2009 - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows.
(but you should use iowin32.c for windows instead)
*/
#ifndef _ZLIBIOAPI64_H
#define _ZLIBIOAPI64_H
#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
// Linux needs this to support file operation on files larger then 4+GB
// But might need better if/def to select just the platforms that needs them.
#ifndef __USE_FILE_OFFSET64
#define __USE_FILE_OFFSET64
#endif
#ifndef __USE_LARGEFILE64
#define __USE_LARGEFILE64
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#ifndef _FILE_OFFSET_BIT
#define _FILE_OFFSET_BIT 64
#endif
#endif
#include <stdio.h>
#include <stdlib.h>
#include "zlib.h"
#if defined(USE_FILE32API)
#define fopen64 fopen
#define ftello64 ftell
#define fseeko64 fseek
#else
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
#define fopen64 fopen
#define ftello64 ftello
#define fseeko64 fseeko
#endif
#ifdef _MSC_VER
#define fopen64 fopen
#if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
#define ftello64 _ftelli64
#define fseeko64 _fseeki64
#else // old MSC
#define ftello64 ftell
#define fseeko64 fseek
#endif
#endif
#endif
/*
#ifndef ZPOS64_T
#ifdef _WIN32
#define ZPOS64_T fpos_t
#else
#include <stdint.h>
#define ZPOS64_T uint64_t
#endif
#endif
*/
#ifdef HAVE_MINIZIP64_CONF_H
#include "mz64conf.h"
#endif
/* a type chosen by DEFINE */
#ifdef HAVE_64BIT_INT_CUSTOM
typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
#else
#ifdef HAS_STDINT_H
#include "stdint.h"
typedef uint64_t ZPOS64_T;
#else
#if defined(_MSC_VER) || defined(__BORLANDC__)
typedef unsigned __int64 ZPOS64_T;
#else
typedef unsigned long long int ZPOS64_T;
#endif
#endif
#endif
/* Maximum unsigned 32-bit value used as placeholder for zip64 */
#ifndef MAXU32
#define MAXU32 (0xffffffff)
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define ZLIB_FILEFUNC_SEEK_CUR (1)
#define ZLIB_FILEFUNC_SEEK_END (2)
#define ZLIB_FILEFUNC_SEEK_SET (0)
#define ZLIB_FILEFUNC_MODE_READ (1)
#define ZLIB_FILEFUNC_MODE_WRITE (2)
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
#define ZLIB_FILEFUNC_MODE_EXISTING (4)
#define ZLIB_FILEFUNC_MODE_CREATE (8)
#ifndef ZCALLBACK
#if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
#define ZCALLBACK CALLBACK
#else
#define ZCALLBACK
#endif
#endif
typedef voidpf (ZCALLBACK *open_file_func) (voidpf opaque, const char* filename, int mode);
typedef uLong (ZCALLBACK *read_file_func) (voidpf opaque, voidpf stream, void* buf, uLong size);
typedef uLong (ZCALLBACK *write_file_func) (voidpf opaque, voidpf stream, const void* buf, uLong size);
typedef int (ZCALLBACK *close_file_func) (voidpf opaque, voidpf stream);
typedef int (ZCALLBACK *testerror_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *tell_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *seek_file_func) (voidpf opaque, voidpf stream, uLong offset, int origin);
/* here is the "old" 32 bits structure */
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
typedef ZPOS64_T (ZCALLBACK *tell64_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *seek64_file_func) (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin);
typedef voidpf (ZCALLBACK *open64_file_func) (voidpf opaque, const void* filename, int mode);
typedef struct zlib_filefunc64_def_s
{
open64_file_func zopen64_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell64_file_func ztell64_file;
seek64_file_func zseek64_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc64_def;
void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def);
void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def);
/* now internal definition, only for zip.c and unzip.h */
typedef struct zlib_filefunc64_32_def_s
{
zlib_filefunc64_def zfile_func64;
open_file_func zopen32_file;
tell_file_func ztell32_file;
seek_file_func zseek32_file;
} zlib_filefunc64_32_def;
#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
//#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))
//#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))
#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream))
#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream))
voidpf call_zopen64(const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode);
long call_zseek64(const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin);
ZPOS64_T call_ztell64(const zlib_filefunc64_32_def* pfilefunc,voidpf filestream);
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32);
#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode)))
#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream)))
#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
#ifdef __cplusplus
}
#endif
#endif
versions/zlib-1.3/Source/zlib/iowin32.c
+440
View File
@@ -0,0 +1,440 @@
/* iowin32.c -- IO base function header for compress/uncompress .zip
Version 1.1, February 14h, 2010
part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
For more info read MiniZip_info.txt
*/
#include <stdlib.h>
#include "zlib.h"
#include "ioapi.h"
#include "iowin32.h"
#ifndef INVALID_HANDLE_VALUE
#define INVALID_HANDLE_VALUE (0xFFFFFFFF)
#endif
#ifndef INVALID_SET_FILE_POINTER
#define INVALID_SET_FILE_POINTER ((DWORD)-1)
#endif
// see Include/shared/winapifamily.h in the Windows Kit
#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
#if !defined(WINAPI_FAMILY_ONE_PARTITION)
#define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition)
#endif
#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP)
#define IOWIN32_USING_WINRT_API 1
#endif
#endif
typedef struct
{
HANDLE hf;
int error;
} WIN32FILE_IOWIN;
static void win32_translate_open_mode(int mode,
DWORD* lpdwDesiredAccess,
DWORD* lpdwCreationDisposition,
DWORD* lpdwShareMode,
DWORD* lpdwFlagsAndAttributes) {
*lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
{
*lpdwDesiredAccess = GENERIC_READ;
*lpdwCreationDisposition = OPEN_EXISTING;
*lpdwShareMode = FILE_SHARE_READ;
}
else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
{
*lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
*lpdwCreationDisposition = OPEN_EXISTING;
}
else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
{
*lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
*lpdwCreationDisposition = CREATE_ALWAYS;
}
}
static voidpf win32_build_iowin(HANDLE hFile) {
voidpf ret=NULL;
if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
{
WIN32FILE_IOWIN w32fiow;
w32fiow.hf = hFile;
w32fiow.error = 0;
ret = malloc(sizeof(WIN32FILE_IOWIN));
if (ret==NULL)
CloseHandle(hFile);
else
*((WIN32FILE_IOWIN*)ret) = w32fiow;
}
return ret;
}
voidpf ZCALLBACK win32_open64_file_func(voidpf opaque, const void* filename, int mode) {
const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL;
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
#ifdef IOWIN32_USING_WINRT_API
#ifdef UNICODE
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
#else
if ((filename!=NULL) && (dwDesiredAccess != 0))
{
WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
}
#endif
#else
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
#endif
return win32_build_iowin(hFile);
}
voidpf ZCALLBACK win32_open64_file_funcA(voidpf opaque, const void* filename, int mode) {
const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL;
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
#ifdef IOWIN32_USING_WINRT_API
if ((filename!=NULL) && (dwDesiredAccess != 0))
{
WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
}
#else
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
#endif
return win32_build_iowin(hFile);
}
voidpf ZCALLBACK win32_open64_file_funcW(voidpf opaque, const void* filename, int mode) {
const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL;
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
#ifdef IOWIN32_USING_WINRT_API
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
#else
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
#endif
return win32_build_iowin(hFile);
}
voidpf ZCALLBACK win32_open_file_func(voidpf opaque, const char* filename, int mode) {
const char* mode_fopen = NULL;
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
HANDLE hFile = NULL;
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
#ifdef IOWIN32_USING_WINRT_API
#ifdef UNICODE
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
#else
if ((filename!=NULL) && (dwDesiredAccess != 0))
{
WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
}
#endif
#else
if ((filename!=NULL) && (dwDesiredAccess != 0))
hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
#endif
return win32_build_iowin(hFile);
}
uLong ZCALLBACK win32_read_file_func(voidpf opaque, voidpf stream, void* buf,uLong size) {
uLong ret=0;
HANDLE hFile = NULL;
if (stream!=NULL)
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
if (hFile != NULL)
{
if (!ReadFile(hFile, buf, size, &ret, NULL))
{
DWORD dwErr = GetLastError();
if (dwErr == ERROR_HANDLE_EOF)
dwErr = 0;
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
}
}
return ret;
}
uLong ZCALLBACK win32_write_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) {
uLong ret=0;
HANDLE hFile = NULL;
if (stream!=NULL)
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
if (hFile != NULL)
{
if (!WriteFile(hFile, buf, size, &ret, NULL))
{
DWORD dwErr = GetLastError();
if (dwErr == ERROR_HANDLE_EOF)
dwErr = 0;
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
}
}
return ret;
}
static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) {
#ifdef IOWIN32_USING_WINRT_API
return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
#else
LONG lHigh = pos.HighPart;
DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod);
BOOL fOk = TRUE;
if (dwNewPos == 0xFFFFFFFF)
if (GetLastError() != NO_ERROR)
fOk = FALSE;
if ((newPos != NULL) && (fOk))
{
newPos->LowPart = dwNewPos;
newPos->HighPart = lHigh;
}
return fOk;
#endif
}
long ZCALLBACK win32_tell_file_func(voidpf opaque, voidpf stream) {
long ret=-1;
HANDLE hFile = NULL;
if (stream!=NULL)
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
if (hFile != NULL)
{
LARGE_INTEGER pos;
pos.QuadPart = 0;
if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
{
DWORD dwErr = GetLastError();
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
ret = -1;
}
else
ret=(long)pos.LowPart;
}
return ret;
}
ZPOS64_T ZCALLBACK win32_tell64_file_func(voidpf opaque, voidpf stream) {
ZPOS64_T ret= (ZPOS64_T)-1;
HANDLE hFile = NULL;
if (stream!=NULL)
hFile = ((WIN32FILE_IOWIN*)stream)->hf;
if (hFile)
{
LARGE_INTEGER pos;
pos.QuadPart = 0;
if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
{
DWORD dwErr = GetLastError();
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
ret = (ZPOS64_T)-1;
}
else
ret=pos.QuadPart;
}
return ret;
}
long ZCALLBACK win32_seek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) {
DWORD dwMoveMethod=0xFFFFFFFF;
HANDLE hFile = NULL;
long ret=-1;
if (stream!=NULL)
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
dwMoveMethod = FILE_CURRENT;
break;
case ZLIB_FILEFUNC_SEEK_END :
dwMoveMethod = FILE_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
dwMoveMethod = FILE_BEGIN;
break;
default: return -1;
}
if (hFile != NULL)
{
LARGE_INTEGER pos;
pos.QuadPart = offset;
if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
{
DWORD dwErr = GetLastError();
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
ret = -1;
}
else
ret=0;
}
return ret;
}
long ZCALLBACK win32_seek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) {
DWORD dwMoveMethod=0xFFFFFFFF;
HANDLE hFile = NULL;
long ret=-1;
if (stream!=NULL)
hFile = ((WIN32FILE_IOWIN*)stream)->hf;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
dwMoveMethod = FILE_CURRENT;
break;
case ZLIB_FILEFUNC_SEEK_END :
dwMoveMethod = FILE_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
dwMoveMethod = FILE_BEGIN;
break;
default: return -1;
}
if (hFile)
{
LARGE_INTEGER pos;
pos.QuadPart = offset;
if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
{
DWORD dwErr = GetLastError();
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
ret = -1;
}
else
ret=0;
}
return ret;
}
int ZCALLBACK win32_close_file_func(voidpf opaque, voidpf stream) {
int ret=-1;
if (stream!=NULL)
{
HANDLE hFile;
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
if (hFile != NULL)
{
CloseHandle(hFile);
ret=0;
}
free(stream);
}
return ret;
}
int ZCALLBACK win32_error_file_func(voidpf opaque, voidpf stream) {
int ret=-1;
if (stream!=NULL)
{
ret = ((WIN32FILE_IOWIN*)stream) -> error;
}
return ret;
}
void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen_file = win32_open_file_func;
pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
pzlib_filefunc_def->ztell_file = win32_tell_file_func;
pzlib_filefunc_def->zseek_file = win32_seek_file_func;
pzlib_filefunc_def->zclose_file = win32_close_file_func;
pzlib_filefunc_def->zerror_file = win32_error_file_func;
pzlib_filefunc_def->opaque = NULL;
}
void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
pzlib_filefunc_def->zclose_file = win32_close_file_func;
pzlib_filefunc_def->zerror_file = win32_error_file_func;
pzlib_filefunc_def->opaque = NULL;
}
void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
pzlib_filefunc_def->zclose_file = win32_close_file_func;
pzlib_filefunc_def->zerror_file = win32_error_file_func;
pzlib_filefunc_def->opaque = NULL;
}
void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
pzlib_filefunc_def->zread_file = win32_read_file_func;
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
pzlib_filefunc_def->zclose_file = win32_close_file_func;
pzlib_filefunc_def->zerror_file = win32_error_file_func;
pzlib_filefunc_def->opaque = NULL;
}
versions/zlib-1.3/Source/zlib/iowin32.h
+28
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@@ -0,0 +1,28 @@
/* iowin32.h -- IO base function header for compress/uncompress .zip
Version 1.1, February 14h, 2010
part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
For more info read MiniZip_info.txt
*/
#include <windows.h>
#ifdef __cplusplus
extern "C" {
#endif
void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def);
void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def);
void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def);
void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def);
#ifdef __cplusplus
}
#endif
versions/zlib-1.3/Source/zlib/unzip.c
+1985
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versions/zlib-1.3/Source/zlib/unzip.h
+437
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@@ -0,0 +1,437 @@
/* unzip.h -- IO for uncompress .zip files using zlib
Version 1.1, February 14h, 2010
part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
Modifications of Unzip for Zip64
Copyright (C) 2007-2008 Even Rouault
Modifications for Zip64 support on both zip and unzip
Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
For more info read MiniZip_info.txt
---------------------------------------------------------------------------------
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
---------------------------------------------------------------------------------
Changes
See header of unzip64.c
*/
#ifndef _unz64_H
#define _unz64_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#include "zlib.h"
#endif
#ifndef _ZLIBIOAPI_H
#include "ioapi.h"
#endif
#ifdef HAVE_BZIP2
#include "bzlib.h"
#endif
#define Z_BZIP2ED 12
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
#else
typedef voidp unzFile;
#endif
#define UNZ_OK (0)
#define UNZ_END_OF_LIST_OF_FILE (-100)
#define UNZ_ERRNO (Z_ERRNO)
#define UNZ_EOF (0)
#define UNZ_PARAMERROR (-102)
#define UNZ_BADZIPFILE (-103)
#define UNZ_INTERNALERROR (-104)
#define UNZ_CRCERROR (-105)
/* tm_unz contain date/time info */
typedef struct tm_unz_s
{
int tm_sec; /* seconds after the minute - [0,59] */
int tm_min; /* minutes after the hour - [0,59] */
int tm_hour; /* hours since midnight - [0,23] */
int tm_mday; /* day of the month - [1,31] */
int tm_mon; /* months since January - [0,11] */
int tm_year; /* years - [1980..2044] */
} tm_unz;
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info64_s
{
ZPOS64_T number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info64;
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_info64_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
ZPOS64_T compressed_size; /* compressed size 8 bytes */
ZPOS64_T uncompressed_size; /* uncompressed size 8 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
} unz_file_info64;
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
} unz_file_info;
extern int ZEXPORT unzStringFileNameCompare(const char* fileName1,
const char* fileName2,
int iCaseSensitivity);
/*
Compare two filenames (fileName1,fileName2).
If iCaseSensitivity = 1, comparison is case sensitive (like strcmp)
If iCaseSensitivity = 2, comparison is not case sensitive (like strcmpi
or strcasecmp)
If iCaseSensitivity = 0, case sensitivity is default of your operating system
(like 1 on Unix, 2 on Windows)
*/
extern unzFile ZEXPORT unzOpen(const char *path);
extern unzFile ZEXPORT unzOpen64(const void *path);
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
"zlib/zlib113.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
of this unzip package.
the "64" function take a const void* pointer, because the path is just the
value passed to the open64_file_func callback.
Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path
is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char*
does not describe the reality
*/
extern unzFile ZEXPORT unzOpen2(const char *path,
zlib_filefunc_def* pzlib_filefunc_def);
/*
Open a Zip file, like unzOpen, but provide a set of file low level API
for read/write the zip file (see ioapi.h)
*/
extern unzFile ZEXPORT unzOpen2_64(const void *path,
zlib_filefunc64_def* pzlib_filefunc_def);
/*
Open a Zip file, like unz64Open, but provide a set of file low level API
for read/write the zip file (see ioapi.h)
*/
extern int ZEXPORT unzClose(unzFile file);
/*
Close a ZipFile opened with unzOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzCloseCurrentFile before call unzClose.
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo(unzFile file,
unz_global_info *pglobal_info);
extern int ZEXPORT unzGetGlobalInfo64(unzFile file,
unz_global_info64 *pglobal_info);
/*
Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalComment(unzFile file,
char *szComment,
uLong uSizeBuf);
/*
Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer.
return the number of byte copied or an error code <0
*/
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
extern int ZEXPORT unzGoToFirstFile(unzFile file);
/*
Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem
*/
extern int ZEXPORT unzGoToNextFile(unzFile file);
/*
Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/
extern int ZEXPORT unzLocateFile(unzFile file,
const char *szFileName,
int iCaseSensitivity);
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
return value :
UNZ_OK if the file is found. It becomes the current file.
UNZ_END_OF_LIST_OF_FILE if the file is not found
*/
/* ****************************************** */
/* Ryan supplied functions */
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_pos_s
{
uLong pos_in_zip_directory; /* offset in zip file directory */
uLong num_of_file; /* # of file */
} unz_file_pos;
extern int ZEXPORT unzGetFilePos(
unzFile file,
unz_file_pos* file_pos);
extern int ZEXPORT unzGoToFilePos(
unzFile file,
unz_file_pos* file_pos);
typedef struct unz64_file_pos_s
{
ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */
ZPOS64_T num_of_file; /* # of file */
} unz64_file_pos;
extern int ZEXPORT unzGetFilePos64(
unzFile file,
unz64_file_pos* file_pos);
extern int ZEXPORT unzGoToFilePos64(
unzFile file,
const unz64_file_pos* file_pos);
/* ****************************************** */
extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file,
unz_file_info64 *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize);
extern int ZEXPORT unzGetCurrentFileInfo(unzFile file,
unz_file_info *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize);
/*
Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain some info about
the current file
if szFileName!=NULL, the filename string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer).
This is the Central-header version of the extra field
if szComment!=NULL, the comment string of the file will be copied in szComment
(commentBufferSize is the size of the buffer)
*/
/** Addition for GDAL : START */
extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64(unzFile file);
/** Addition for GDAL : END */
/***************************************************************************/
/* for reading the content of the current zipfile, you can open it, read data
from it, and close it (you can close it before reading all the file)
*/
extern int ZEXPORT unzOpenCurrentFile(unzFile file);
/*
Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file,
const char* password);
/*
Open for reading data the current file in the zipfile.
password is a crypting password
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzOpenCurrentFile2(unzFile file,
int* method,
int* level,
int raw);
/*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1
*method will receive method of compression, *level will receive level of
compression
note : you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL
*/
extern int ZEXPORT unzOpenCurrentFile3(unzFile file,
int* method,
int* level,
int raw,
const char* password);
/*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1
*method will receive method of compression, *level will receive level of
compression
note : you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL
*/
extern int ZEXPORT unzCloseCurrentFile(unzFile file);
/*
Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/
extern int ZEXPORT unzReadCurrentFile(unzFile file,
voidp buf,
unsigned len);
/*
Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied
len the size of buf.
return the number of byte copied if some bytes are copied
return 0 if the end of file was reached
return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/
extern z_off_t ZEXPORT unztell(unzFile file);
extern ZPOS64_T ZEXPORT unztell64(unzFile file);
/*
Give the current position in uncompressed data
*/
extern int ZEXPORT unzeof(unzFile file);
/*
return 1 if the end of file was reached, 0 elsewhere
*/
extern int ZEXPORT unzGetLocalExtrafield(unzFile file,
voidp buf,
unsigned len);
/*
Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is
more info in the local-header version than in the central-header)
if buf==NULL, it return the size of the local extra field
if buf!=NULL, len is the size of the buffer, the extra header is copied in
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
/***************************************************************************/
/* Get the current file offset */
extern ZPOS64_T ZEXPORT unzGetOffset64 (unzFile file);
extern uLong ZEXPORT unzGetOffset (unzFile file);
/* Set the current file offset */
extern int ZEXPORT unzSetOffset64 (unzFile file, ZPOS64_T pos);
extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
#ifdef __cplusplus
}
#endif
#endif /* _unz64_H */
versions/zlib-1.3/Source/zlib/zconf.h
+543
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@@ -0,0 +1,543 @@
/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#ifndef ZCONF_H
#define ZCONF_H
/*
* If you *really* need a unique prefix for all types and library functions,
* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
* Even better than compiling with -DZ_PREFIX would be to use configure to set
* this permanently in zconf.h using "./configure --zprefix".
*/
#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
# define Z_PREFIX_SET
/* all linked symbols and init macros */
# define _dist_code z__dist_code
# define _length_code z__length_code
# define _tr_align z__tr_align
# define _tr_flush_bits z__tr_flush_bits
# define _tr_flush_block z__tr_flush_block
# define _tr_init z__tr_init
# define _tr_stored_block z__tr_stored_block
# define _tr_tally z__tr_tally
# define adler32 z_adler32
# define adler32_combine z_adler32_combine
# define adler32_combine64 z_adler32_combine64
# define adler32_z z_adler32_z
# ifndef Z_SOLO
# define compress z_compress
# define compress2 z_compress2
# define compressBound z_compressBound
# endif
# define crc32 z_crc32
# define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64
# define crc32_combine_gen z_crc32_combine_gen
# define crc32_combine_gen64 z_crc32_combine_gen64
# define crc32_combine_op z_crc32_combine_op
# define crc32_z z_crc32_z
# define deflate z_deflate
# define deflateBound z_deflateBound
# define deflateCopy z_deflateCopy
# define deflateEnd z_deflateEnd
# define deflateGetDictionary z_deflateGetDictionary
# define deflateInit z_deflateInit
# define deflateInit2 z_deflateInit2
# define deflateInit2_ z_deflateInit2_
# define deflateInit_ z_deflateInit_
# define deflateParams z_deflateParams
# define deflatePending z_deflatePending
# define deflatePrime z_deflatePrime
# define deflateReset z_deflateReset
# define deflateResetKeep z_deflateResetKeep
# define deflateSetDictionary z_deflateSetDictionary
# define deflateSetHeader z_deflateSetHeader
# define deflateTune z_deflateTune
# define deflate_copyright z_deflate_copyright
# define get_crc_table z_get_crc_table
# ifndef Z_SOLO
# define gz_error z_gz_error
# define gz_intmax z_gz_intmax
# define gz_strwinerror z_gz_strwinerror
# define gzbuffer z_gzbuffer
# define gzclearerr z_gzclearerr
# define gzclose z_gzclose
# define gzclose_r z_gzclose_r
# define gzclose_w z_gzclose_w
# define gzdirect z_gzdirect
# define gzdopen z_gzdopen
# define gzeof z_gzeof
# define gzerror z_gzerror
# define gzflush z_gzflush
# define gzfread z_gzfread
# define gzfwrite z_gzfwrite
# define gzgetc z_gzgetc
# define gzgetc_ z_gzgetc_
# define gzgets z_gzgets
# define gzoffset z_gzoffset
# define gzoffset64 z_gzoffset64
# define gzopen z_gzopen
# define gzopen64 z_gzopen64
# ifdef _WIN32
# define gzopen_w z_gzopen_w
# endif
# define gzprintf z_gzprintf
# define gzputc z_gzputc
# define gzputs z_gzputs
# define gzread z_gzread
# define gzrewind z_gzrewind
# define gzseek z_gzseek
# define gzseek64 z_gzseek64
# define gzsetparams z_gzsetparams
# define gztell z_gztell
# define gztell64 z_gztell64
# define gzungetc z_gzungetc
# define gzvprintf z_gzvprintf
# define gzwrite z_gzwrite
# endif
# define inflate z_inflate
# define inflateBack z_inflateBack
# define inflateBackEnd z_inflateBackEnd
# define inflateBackInit z_inflateBackInit
# define inflateBackInit_ z_inflateBackInit_
# define inflateCodesUsed z_inflateCodesUsed
# define inflateCopy z_inflateCopy
# define inflateEnd z_inflateEnd
# define inflateGetDictionary z_inflateGetDictionary
# define inflateGetHeader z_inflateGetHeader
# define inflateInit z_inflateInit
# define inflateInit2 z_inflateInit2
# define inflateInit2_ z_inflateInit2_
# define inflateInit_ z_inflateInit_
# define inflateMark z_inflateMark
# define inflatePrime z_inflatePrime
# define inflateReset z_inflateReset
# define inflateReset2 z_inflateReset2
# define inflateResetKeep z_inflateResetKeep
# define inflateSetDictionary z_inflateSetDictionary
# define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint
# define inflateUndermine z_inflateUndermine
# define inflateValidate z_inflateValidate
# define inflate_copyright z_inflate_copyright
# define inflate_fast z_inflate_fast
# define inflate_table z_inflate_table
# ifndef Z_SOLO
# define uncompress z_uncompress
# define uncompress2 z_uncompress2
# endif
# define zError z_zError
# ifndef Z_SOLO
# define zcalloc z_zcalloc
# define zcfree z_zcfree
# endif
# define zlibCompileFlags z_zlibCompileFlags
# define zlibVersion z_zlibVersion
/* all zlib typedefs in zlib.h and zconf.h */
# define Byte z_Byte
# define Bytef z_Bytef
# define alloc_func z_alloc_func
# define charf z_charf
# define free_func z_free_func
# ifndef Z_SOLO
# define gzFile z_gzFile
# endif
# define gz_header z_gz_header
# define gz_headerp z_gz_headerp
# define in_func z_in_func
# define intf z_intf
# define out_func z_out_func
# define uInt z_uInt
# define uIntf z_uIntf
# define uLong z_uLong
# define uLongf z_uLongf
# define voidp z_voidp
# define voidpc z_voidpc
# define voidpf z_voidpf
/* all zlib structs in zlib.h and zconf.h */
# define gz_header_s z_gz_header_s
# define internal_state z_internal_state
#endif
#if defined(__MSDOS__) && !defined(MSDOS)
# define MSDOS
#endif
#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
# define OS2
#endif
#if defined(_WINDOWS) && !defined(WINDOWS)
# define WINDOWS
#endif
#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
# ifndef WIN32
# define WIN32
# endif
#endif
#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
# ifndef SYS16BIT
# define SYS16BIT
# endif
# endif
#endif
/*
* Compile with -DMAXSEG_64K if the alloc function cannot allocate more
* than 64k bytes at a time (needed on systems with 16-bit int).
*/
#ifdef SYS16BIT
# define MAXSEG_64K
#endif
#ifdef MSDOS
# define UNALIGNED_OK
#endif
#ifdef __STDC_VERSION__
# ifndef STDC
# define STDC
# endif
# if __STDC_VERSION__ >= 199901L
# ifndef STDC99
# define STDC99
# endif
# endif
#endif
#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
# define STDC
#endif
#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
# define STDC
#endif
#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
# define STDC
#endif
#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
# define STDC
#endif
#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
# define STDC
#endif
#ifndef STDC
# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
# define const /* note: need a more gentle solution here */
# endif
#endif
#if defined(ZLIB_CONST) && !defined(z_const)
# define z_const const
#else
# define z_const
#endif
#ifdef Z_SOLO
# ifdef _WIN64
typedef unsigned long long z_size_t;
# else
typedef unsigned long z_size_t;
# endif
#else
# define z_longlong long long
# if defined(NO_SIZE_T)
typedef unsigned NO_SIZE_T z_size_t;
# elif defined(STDC)
# include <stddef.h>
typedef size_t z_size_t;
# else
typedef unsigned long z_size_t;
# endif
# undef z_longlong
#endif
/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
# ifdef MAXSEG_64K
# define MAX_MEM_LEVEL 8
# else
# define MAX_MEM_LEVEL 9
# endif
#endif
/* Maximum value for windowBits in deflateInit2 and inflateInit2.
* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
* created by gzip. (Files created by minigzip can still be extracted by
* gzip.)
*/
#ifndef MAX_WBITS
# define MAX_WBITS 15 /* 32K LZ77 window */
#endif
/* The memory requirements for deflate are (in bytes):
(1 << (windowBits+2)) + (1 << (memLevel+9))
that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
plus a few kilobytes for small objects. For example, if you want to reduce
the default memory requirements from 256K to 128K, compile with
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus about 7 kilobytes
for small objects.
*/
/* Type declarations */
#ifndef OF /* function prototypes */
# ifdef STDC
# define OF(args) args
# else
# define OF(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
* to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
* just define FAR to be empty.
*/
#ifdef SYS16BIT
# if defined(M_I86SM) || defined(M_I86MM)
/* MSC small or medium model */
# define SMALL_MEDIUM
# ifdef _MSC_VER
# define FAR _far
# else
# define FAR far
# endif
# endif
# if (defined(__SMALL__) || defined(__MEDIUM__))
/* Turbo C small or medium model */
# define SMALL_MEDIUM
# ifdef __BORLANDC__
# define FAR _far
# else
# define FAR far
# endif
# endif
#endif
#if defined(WINDOWS) || defined(WIN32)
/* If building or using zlib as a DLL, define ZLIB_DLL.
* This is not mandatory, but it offers a little performance increase.
*/
# ifdef ZLIB_DLL
# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
# ifdef ZLIB_INTERNAL
# define ZEXTERN extern __declspec(dllexport)
# else
# define ZEXTERN extern __declspec(dllimport)
# endif
# endif
# endif /* ZLIB_DLL */
/* If building or using zlib with the WINAPI/WINAPIV calling convention,
* define ZLIB_WINAPI.
* Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
*/
# ifdef ZLIB_WINAPI
# ifdef FAR
# undef FAR
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
# define ZEXPORT WINAPI
# ifdef WIN32
# define ZEXPORTVA WINAPIV
# else
# define ZEXPORTVA FAR CDECL
# endif
# endif
#endif
#if defined (__BEOS__)
# ifdef ZLIB_DLL
# ifdef ZLIB_INTERNAL
# define ZEXPORT __declspec(dllexport)
# define ZEXPORTVA __declspec(dllexport)
# else
# define ZEXPORT __declspec(dllimport)
# define ZEXPORTVA __declspec(dllimport)
# endif
# endif
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
#ifndef ZEXPORT
# define ZEXPORT
#endif
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
#ifndef FAR
# define FAR
#endif
#if !defined(__MACTYPES__)
typedef unsigned char Byte; /* 8 bits */
#endif
typedef unsigned int uInt; /* 16 bits or more */
typedef unsigned long uLong; /* 32 bits or more */
#ifdef SMALL_MEDIUM
/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
# define Bytef Byte FAR
#else
typedef Byte FAR Bytef;
#endif
typedef char FAR charf;
typedef int FAR intf;
typedef uInt FAR uIntf;
typedef uLong FAR uLongf;
#ifdef STDC
typedef void const *voidpc;
typedef void FAR *voidpf;
typedef void *voidp;
#else
typedef Byte const *voidpc;
typedef Byte FAR *voidpf;
typedef Byte *voidp;
#endif
#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
# include <limits.h>
# if (UINT_MAX == 0xffffffffUL)
# define Z_U4 unsigned
# elif (ULONG_MAX == 0xffffffffUL)
# define Z_U4 unsigned long
# elif (USHRT_MAX == 0xffffffffUL)
# define Z_U4 unsigned short
# endif
#endif
#ifdef Z_U4
typedef Z_U4 z_crc_t;
#else
typedef unsigned long z_crc_t;
#endif
#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
# define Z_HAVE_UNISTD_H
#endif
#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */
# define Z_HAVE_STDARG_H
#endif
#ifdef STDC
# ifndef Z_SOLO
# include <sys/types.h> /* for off_t */
# endif
#endif
#if defined(STDC) || defined(Z_HAVE_STDARG_H)
# ifndef Z_SOLO
# include <stdarg.h> /* for va_list */
# endif
#endif
#ifdef _WIN32
# ifndef Z_SOLO
# include <stddef.h> /* for wchar_t */
# endif
#endif
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
* "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
* though the former does not conform to the LFS document), but considering
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
* equivalently requesting no 64-bit operations
*/
#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
# undef _LARGEFILE64_SOURCE
#endif
#ifndef Z_HAVE_UNISTD_H
# ifdef __WATCOMC__
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_HAVE_UNISTD_H
# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_SOLO
# if defined(Z_HAVE_UNISTD_H)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS
# include <unixio.h> /* for off_t */
# endif
# ifndef z_off_t
# define z_off_t off_t
# endif
# endif
#endif
#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
# define Z_LFS64
#endif
#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
# define Z_LARGE64
#endif
#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
# define Z_WANT64
#endif
#if !defined(SEEK_SET) && !defined(Z_SOLO)
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if !defined(_WIN32) && defined(Z_LARGE64)
# define z_off64_t off64_t
#else
# if defined(_WIN32) && !defined(__GNUC__)
# define z_off64_t __int64
# else
# define z_off64_t z_off_t
# endif
#endif
/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
#pragma map(deflateInit_,"DEIN")
#pragma map(deflateInit2_,"DEIN2")
#pragma map(deflateEnd,"DEEND")
#pragma map(deflateBound,"DEBND")
#pragma map(inflateInit_,"ININ")
#pragma map(inflateInit2_,"ININ2")
#pragma map(inflateEnd,"INEND")
#pragma map(inflateSync,"INSY")
#pragma map(inflateSetDictionary,"INSEDI")
#pragma map(compressBound,"CMBND")
#pragma map(inflate_table,"INTABL")
#pragma map(inflate_fast,"INFA")
#pragma map(inflate_copyright,"INCOPY")
#endif
#endif /* ZCONF_H */
versions/zlib-1.3/Source/zlib/zlib.h
+1938
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versions/zlib-1.3/Source/zlib/zutil.c
+299
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@@ -0,0 +1,299 @@
/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-2017 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zutil.h"
#ifndef Z_SOLO
# include "gzguts.h"
#endif
z_const char * const z_errmsg[10] = {
(z_const char *)"need dictionary", /* Z_NEED_DICT 2 */
(z_const char *)"stream end", /* Z_STREAM_END 1 */
(z_const char *)"", /* Z_OK 0 */
(z_const char *)"file error", /* Z_ERRNO (-1) */
(z_const char *)"stream error", /* Z_STREAM_ERROR (-2) */
(z_const char *)"data error", /* Z_DATA_ERROR (-3) */
(z_const char *)"insufficient memory", /* Z_MEM_ERROR (-4) */
(z_const char *)"buffer error", /* Z_BUF_ERROR (-5) */
(z_const char *)"incompatible version",/* Z_VERSION_ERROR (-6) */
(z_const char *)""
};
const char * ZEXPORT zlibVersion(void) {
return ZLIB_VERSION;
}
uLong ZEXPORT zlibCompileFlags(void) {
uLong flags;
flags = 0;
switch ((int)(sizeof(uInt))) {
case 2: break;
case 4: flags += 1; break;
case 8: flags += 2; break;
default: flags += 3;
}
switch ((int)(sizeof(uLong))) {
case 2: break;
case 4: flags += 1 << 2; break;
case 8: flags += 2 << 2; break;
default: flags += 3 << 2;
}
switch ((int)(sizeof(voidpf))) {
case 2: break;
case 4: flags += 1 << 4; break;
case 8: flags += 2 << 4; break;
default: flags += 3 << 4;
}
switch ((int)(sizeof(z_off_t))) {
case 2: break;
case 4: flags += 1 << 6; break;
case 8: flags += 2 << 6; break;
default: flags += 3 << 6;
}
#ifdef ZLIB_DEBUG
flags += 1 << 8;
#endif
/*
#if defined(ASMV) || defined(ASMINF)
flags += 1 << 9;
#endif
*/
#ifdef ZLIB_WINAPI
flags += 1 << 10;
#endif
#ifdef BUILDFIXED
flags += 1 << 12;
#endif
#ifdef DYNAMIC_CRC_TABLE
flags += 1 << 13;
#endif
#ifdef NO_GZCOMPRESS
flags += 1L << 16;
#endif
#ifdef NO_GZIP
flags += 1L << 17;
#endif
#ifdef PKZIP_BUG_WORKAROUND
flags += 1L << 20;
#endif
#ifdef FASTEST
flags += 1L << 21;
#endif
#if defined(STDC) || defined(Z_HAVE_STDARG_H)
# ifdef NO_vsnprintf
flags += 1L << 25;
# ifdef HAS_vsprintf_void
flags += 1L << 26;
# endif
# else
# ifdef HAS_vsnprintf_void
flags += 1L << 26;
# endif
# endif
#else
flags += 1L << 24;
# ifdef NO_snprintf
flags += 1L << 25;
# ifdef HAS_sprintf_void
flags += 1L << 26;
# endif
# else
# ifdef HAS_snprintf_void
flags += 1L << 26;
# endif
# endif
#endif
return flags;
}
#ifdef ZLIB_DEBUG
#include <stdlib.h>
# ifndef verbose
# define verbose 0
# endif
int ZLIB_INTERNAL z_verbose = verbose;
void ZLIB_INTERNAL z_error(char *m) {
fprintf(stderr, "%s\n", m);
exit(1);
}
#endif
/* exported to allow conversion of error code to string for compress() and
* uncompress()
*/
const char * ZEXPORT zError(int err) {
return ERR_MSG(err);
}
#if defined(_WIN32_WCE) && _WIN32_WCE < 0x800
/* The older Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used.
*/
int errno = 0;
#endif
#ifndef HAVE_MEMCPY
void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) {
if (len == 0) return;
do {
*dest++ = *source++; /* ??? to be unrolled */
} while (--len != 0);
}
int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) {
uInt j;
for (j = 0; j < len; j++) {
if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1;
}
return 0;
}
void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) {
if (len == 0) return;
do {
*dest++ = 0; /* ??? to be unrolled */
} while (--len != 0);
}
#endif
#ifndef Z_SOLO
#ifdef SYS16BIT
#ifdef __TURBOC__
/* Turbo C in 16-bit mode */
# define MY_ZCALLOC
/* Turbo C malloc() does not allow dynamic allocation of 64K bytes
* and farmalloc(64K) returns a pointer with an offset of 8, so we
* must fix the pointer. Warning: the pointer must be put back to its
* original form in order to free it, use zcfree().
*/
#define MAX_PTR 10
/* 10*64K = 640K */
local int next_ptr = 0;
typedef struct ptr_table_s {
voidpf org_ptr;
voidpf new_ptr;
} ptr_table;
local ptr_table table[MAX_PTR];
/* This table is used to remember the original form of pointers
* to large buffers (64K). Such pointers are normalized with a zero offset.
* Since MSDOS is not a preemptive multitasking OS, this table is not
* protected from concurrent access. This hack doesn't work anyway on
* a protected system like OS/2. Use Microsoft C instead.
*/
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
voidpf buf;
ulg bsize = (ulg)items*size;
(void)opaque;
/* If we allocate less than 65520 bytes, we assume that farmalloc
* will return a usable pointer which doesn't have to be normalized.
*/
if (bsize < 65520L) {
buf = farmalloc(bsize);
if (*(ush*)&buf != 0) return buf;
} else {
buf = farmalloc(bsize + 16L);
}
if (buf == NULL || next_ptr >= MAX_PTR) return NULL;
table[next_ptr].org_ptr = buf;
/* Normalize the pointer to seg:0 */
*((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4;
*(ush*)&buf = 0;
table[next_ptr++].new_ptr = buf;
return buf;
}
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
int n;
(void)opaque;
if (*(ush*)&ptr != 0) { /* object < 64K */
farfree(ptr);
return;
}
/* Find the original pointer */
for (n = 0; n < next_ptr; n++) {
if (ptr != table[n].new_ptr) continue;
farfree(table[n].org_ptr);
while (++n < next_ptr) {
table[n-1] = table[n];
}
next_ptr--;
return;
}
Assert(0, "zcfree: ptr not found");
}
#endif /* __TURBOC__ */
#ifdef M_I86
/* Microsoft C in 16-bit mode */
# define MY_ZCALLOC
#if (!defined(_MSC_VER) || (_MSC_VER <= 600))
# define _halloc halloc
# define _hfree hfree
#endif
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) {
(void)opaque;
return _halloc((long)items, size);
}
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
(void)opaque;
_hfree(ptr);
}
#endif /* M_I86 */
#endif /* SYS16BIT */
#ifndef MY_ZCALLOC /* Any system without a special alloc function */
#ifndef STDC
extern voidp malloc(uInt size);
extern voidp calloc(uInt items, uInt size);
extern void free(voidpf ptr);
#endif
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
(void)opaque;
return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
(voidpf)calloc(items, size);
}
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
(void)opaque;
free(ptr);
}
#endif /* MY_ZCALLOC */
#endif /* !Z_SOLO */
versions/zlib-1.3/Source/zlib/zutil.h
+254
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@@ -0,0 +1,254 @@
/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* @(#) $Id$ */
#ifndef ZUTIL_H
#define ZUTIL_H
#ifdef HAVE_HIDDEN
# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else
# define ZLIB_INTERNAL
#endif
#include "zlib.h"
#if defined(STDC) && !defined(Z_SOLO)
# if !(defined(_WIN32_WCE) && defined(_MSC_VER))
# include <stddef.h>
# endif
# include <string.h>
# include <stdlib.h>
#endif
#ifndef local
# define local static
#endif
/* since "static" is used to mean two completely different things in C, we
define "local" for the non-static meaning of "static", for readability
(compile with -Dlocal if your debugger can't find static symbols) */
typedef unsigned char uch;
typedef uch FAR uchf;
typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
# include <limits.h>
# if (ULONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long
# elif (ULLONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long long
# elif (UINT_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned
# endif
#endif
extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */
#define ERR_MSG(err) z_errmsg[(err) < -6 || (err) > 2 ? 9 : 2 - (err)]
#define ERR_RETURN(strm,err) \
return (strm->msg = ERR_MSG(err), (err))
/* To be used only when the state is known to be valid */
/* common constants */
#ifndef DEF_WBITS
# define DEF_WBITS MAX_WBITS
#endif
/* default windowBits for decompression. MAX_WBITS is for compression only */
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
#else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* default memLevel */
#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES 2
/* The three kinds of block type */
#define MIN_MATCH 3
#define MAX_MATCH 258
/* The minimum and maximum match lengths */
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
/* target dependencies */
#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
# define OS_CODE 0x00
# ifndef Z_SOLO
# if defined(__TURBOC__) || defined(__BORLANDC__)
# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
/* Allow compilation with ANSI keywords only enabled */
void _Cdecl farfree( void *block );
void *_Cdecl farmalloc( unsigned long nbytes );
# else
# include <alloc.h>
# endif
# else /* MSC or DJGPP */
# include <malloc.h>
# endif
# endif
#endif
#ifdef AMIGA
# define OS_CODE 1
#endif
#if defined(VAXC) || defined(VMS)
# define OS_CODE 2
# define F_OPEN(name, mode) \
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif
#ifdef __370__
# if __TARGET_LIB__ < 0x20000000
# define OS_CODE 4
# elif __TARGET_LIB__ < 0x40000000
# define OS_CODE 11
# else
# define OS_CODE 8
# endif
#endif
#if defined(ATARI) || defined(atarist)
# define OS_CODE 5
#endif
#ifdef OS2
# define OS_CODE 6
# if defined(M_I86) && !defined(Z_SOLO)
# include <malloc.h>
# endif
#endif
#if defined(MACOS)
# define OS_CODE 7
#endif
#ifdef __acorn
# define OS_CODE 13
#endif
#if defined(WIN32) && !defined(__CYGWIN__)
# define OS_CODE 10
#endif
#ifdef _BEOS_
# define OS_CODE 16
#endif
#ifdef __TOS_OS400__
# define OS_CODE 18
#endif
#ifdef __APPLE__
# define OS_CODE 19
#endif
#if defined(__BORLANDC__) && !defined(MSDOS)
#pragma warn -8004
#pragma warn -8008
#pragma warn -8066
#endif
/* provide prototypes for these when building zlib without LFS */
#if !defined(_WIN32) && \
(!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);
ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
#endif
/* common defaults */
#ifndef OS_CODE
# define OS_CODE 3 /* assume Unix */
#endif
#ifndef F_OPEN
# define F_OPEN(name, mode) fopen((name), (mode))
#endif
/* functions */
#if defined(pyr) || defined(Z_SOLO)
# define NO_MEMCPY
#endif
#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
/* Use our own functions for small and medium model with MSC <= 5.0.
* You may have to use the same strategy for Borland C (untested).
* The __SC__ check is for Symantec.
*/
# define NO_MEMCPY
#endif
#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
# define HAVE_MEMCPY
#endif
#ifdef HAVE_MEMCPY
# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
# define zmemcpy _fmemcpy
# define zmemcmp _fmemcmp
# define zmemzero(dest, len) _fmemset(dest, 0, len)
# else
# define zmemcpy memcpy
# define zmemcmp memcmp
# define zmemzero(dest, len) memset(dest, 0, len)
# endif
#else
void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len);
int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len);
void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len);
#endif
/* Diagnostic functions */
#ifdef ZLIB_DEBUG
# include <stdio.h>
extern int ZLIB_INTERNAL z_verbose;
extern void ZLIB_INTERNAL z_error(char *m);
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) {if (z_verbose>=0) fprintf x ;}
# define Tracev(x) {if (z_verbose>0) fprintf x ;}
# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
#else
# define Assert(cond,msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c,x)
# define Tracecv(c,x)
#endif
#ifndef Z_SOLO
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items,
unsigned size);
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr);
#endif
#define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
/* Reverse the bytes in a 32-bit value */
#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
(((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
#endif /* ZUTIL_H */