Files
nsis-plugin-ns7zip/versions/25.01/C/HuffEnc.h
T
Simone d074cc7c07 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

24 lines
480 B
C

/* HuffEnc.h -- Huffman encoding
Igor Pavlov : Public domain */
#ifndef ZIP7_INC_HUFF_ENC_H
#define ZIP7_INC_HUFF_ENC_H
#include "7zTypes.h"
EXTERN_C_BEGIN
#define Z7_HUFFMAN_LEN_MAX 16
/*
Conditions:
2 <= num <= 1024 = 2 ^ NUM_BITS
Sum(freqs) < 4M = 2 ^ (32 - NUM_BITS)
1 <= maxLen <= 16 = Z7_HUFFMAN_LEN_MAX
Num_Items(p) >= HUFFMAN_TEMP_SIZE(num)
*/
void Huffman_Generate(const UInt32 *freqs, UInt32 *p, Byte *lens, UInt32 num, UInt32 maxLen);
EXTERN_C_END
#endif