chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
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+// Windows/FileSystem.cpp
+
+#include "StdAfx.h"
+
+#ifndef UNDER_CE
+
+#ifndef _UNICODE
+#include "../Common/StringConvert.h"
+#endif
+
+#include "FileSystem.h"
+#include "Defs.h"
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+namespace NWindows {
+namespace NFile {
+namespace NSystem {
+
+#ifdef _WIN32
+
+bool MyGetVolumeInformation(
+    CFSTR rootPath,
+    UString &volumeName,
+    LPDWORD volumeSerialNumber,
+    LPDWORD maximumComponentLength,
+    LPDWORD fileSystemFlags,
+    UString &fileSystemName)
+{
+  BOOL res;
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    TCHAR v[MAX_PATH + 2]; v[0] = 0;
+    TCHAR f[MAX_PATH + 2]; f[0] = 0;
+    res = GetVolumeInformation(fs2fas(rootPath),
+        v, MAX_PATH,
+        volumeSerialNumber, maximumComponentLength, fileSystemFlags,
+        f, MAX_PATH);
+    volumeName = MultiByteToUnicodeString(v);
+    fileSystemName = MultiByteToUnicodeString(f);
+  }
+  else
+  #endif
+  {
+    WCHAR v[MAX_PATH + 2]; v[0] = 0;
+    WCHAR f[MAX_PATH + 2]; f[0] = 0;
+    res = GetVolumeInformationW(fs2us(rootPath),
+        v, MAX_PATH,
+        volumeSerialNumber, maximumComponentLength, fileSystemFlags,
+        f, MAX_PATH);
+    volumeName = v;
+    fileSystemName = f;
+  }
+  return BOOLToBool(res);
+}
+
+UINT MyGetDriveType(CFSTR pathName)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    return GetDriveType(fs2fas(pathName));
+  }
+  else
+  #endif
+  {
+    return GetDriveTypeW(fs2us(pathName));
+  }
+}
+
+#if !defined(Z7_WIN32_WINNT_MIN) || Z7_WIN32_WINNT_MIN < 0x0400
+// GetDiskFreeSpaceEx requires Windows95-OSR2, NT4
+#define Z7_USE_DYN_GetDiskFreeSpaceEx
+#endif
+
+#ifdef Z7_USE_DYN_GetDiskFreeSpaceEx
+typedef BOOL (WINAPI * Func_GetDiskFreeSpaceExA)(
+  LPCSTR lpDirectoryName,                  // directory name
+  PULARGE_INTEGER lpFreeBytesAvailable,    // bytes available to caller
+  PULARGE_INTEGER lpTotalNumberOfBytes,    // bytes on disk
+  PULARGE_INTEGER lpTotalNumberOfFreeBytes // free bytes on disk
+);
+
+typedef BOOL (WINAPI * Func_GetDiskFreeSpaceExW)(
+  LPCWSTR lpDirectoryName,                 // directory name
+  PULARGE_INTEGER lpFreeBytesAvailable,    // bytes available to caller
+  PULARGE_INTEGER lpTotalNumberOfBytes,    // bytes on disk
+  PULARGE_INTEGER lpTotalNumberOfFreeBytes // free bytes on disk
+);
+#endif
+
+bool MyGetDiskFreeSpace(CFSTR rootPath, UInt64 &clusterSize, UInt64 &totalSize, UInt64 &freeSize)
+{
+  DWORD numSectorsPerCluster, bytesPerSector, numFreeClusters, numClusters;
+  bool sizeIsDetected = false;
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+#ifdef Z7_USE_DYN_GetDiskFreeSpaceEx
+    const
+    Func_GetDiskFreeSpaceExA f = Z7_GET_PROC_ADDRESS(
+    Func_GetDiskFreeSpaceExA, GetModuleHandle(TEXT("kernel32.dll")),
+        "GetDiskFreeSpaceExA");
+    if (f)
+#endif
+    {
+      ULARGE_INTEGER freeBytesToCaller2, totalSize2, freeSize2;
+      sizeIsDetected = BOOLToBool(
+#ifdef Z7_USE_DYN_GetDiskFreeSpaceEx
+        f
+#else
+        GetDiskFreeSpaceExA
+#endif
+          (fs2fas(rootPath), &freeBytesToCaller2, &totalSize2, &freeSize2));
+      totalSize = totalSize2.QuadPart;
+      freeSize = freeSize2.QuadPart;
+    }
+    if (!::GetDiskFreeSpace(fs2fas(rootPath), &numSectorsPerCluster, &bytesPerSector, &numFreeClusters, &numClusters))
+      return false;
+  }
+  else
+  #endif
+  {
+#ifdef Z7_USE_DYN_GetDiskFreeSpaceEx
+    const
+    Func_GetDiskFreeSpaceExW f = Z7_GET_PROC_ADDRESS(
+    Func_GetDiskFreeSpaceExW, GetModuleHandle(TEXT("kernel32.dll")),
+        "GetDiskFreeSpaceExW");
+    if (f)
+#endif
+    {
+      ULARGE_INTEGER freeBytesToCaller2, totalSize2, freeSize2;
+      sizeIsDetected = BOOLToBool(
+#ifdef Z7_USE_DYN_GetDiskFreeSpaceEx
+        f
+#else
+        GetDiskFreeSpaceExW
+#endif
+          (fs2us(rootPath), &freeBytesToCaller2, &totalSize2, &freeSize2));
+      totalSize = totalSize2.QuadPart;
+      freeSize = freeSize2.QuadPart;
+    }
+    if (!::GetDiskFreeSpaceW(fs2us(rootPath), &numSectorsPerCluster, &bytesPerSector, &numFreeClusters, &numClusters))
+      return false;
+  }
+  clusterSize = (UInt64)bytesPerSector * (UInt64)numSectorsPerCluster;
+  if (!sizeIsDetected)
+  {
+    totalSize = clusterSize * (UInt64)numClusters;
+    freeSize = clusterSize * (UInt64)numFreeClusters;
+  }
+  return true;
+}
+
+#endif
+
+/*
+bool Is_File_LimitedBy_4GB(CFSTR _path, bool &isFsDetected)
+{
+  isFsDetected = false;
+  FString path (_path);
+  path.DeleteFrom(NName::GetRootPrefixSize(path));
+  // GetVolumeInformation supports super paths.
+  // NName::If_IsSuperPath_RemoveSuperPrefix(path);
+  if (!path.IsEmpty())
+  {
+    DWORD volumeSerialNumber, maximumComponentLength, fileSystemFlags;
+    UString volName, fileSystemName;
+    if (MyGetVolumeInformation(path, volName,
+        &volumeSerialNumber, &maximumComponentLength, &fileSystemFlags,
+        fileSystemName))
+    {
+      isFsDetected = true;
+      if (fileSystemName.IsPrefixedBy_Ascii_NoCase("fat"))
+        return true;
+    }
+  }
+  return false;
+}
+*/
+
+}}}
+
+#endif