14fcfbe1a8
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6545 212acab6-be3b-0410-9dea-997c60f758d6
71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
#include "decompress.h"
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#include <string.h> // for memset
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#if _MSC_VER > 1200 // Hack to avoid extern "C" causing trouble with templates
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#include <new>
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#include <algorithm>
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#include <iterator>
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#include <memory>
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#endif
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#define EXEHEAD
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#define NSIS_CONFIG_COMPRESSION_SUPPORT
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#include "../Platform.h"
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extern "C" {
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#define NSIS_COMPRESS_USE_BZIP2
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#include "../bzip2/bzlib.h"
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#undef NSIS_COMPRESS_USE_BZIP2
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#define NSIS_COMPRESS_USE_LZMA
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#include "../7zip/LZMADecode.h"
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#undef NSIS_COMPRESS_USE_LZMA
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#define NSIS_COMPRESS_USE_ZLIB
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#include "../zlib/ZLIB.H"
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#undef NSIS_COMPRESS_USE_ZLIB
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}
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#define DECOMPRESSOR(name, type, initf, dec, u) \
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name::name() { \
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vs = new type; \
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memset(vs, 0, sizeof(type)); \
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} \
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\
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name::~name() { \
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delete (type *) vs; \
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vs = 0; \
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} \
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\
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void name::setNextIn(void *buffer, int size) { \
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type *s = (type *) vs; \
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s->next_in = (u *) buffer; \
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s->avail_in = size; \
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} \
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\
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void name::setNextOut(void *buffer, int size) { \
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type *s = (type *) vs; \
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s->next_out = (u *) buffer; \
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s->avail_out = size; \
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} \
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\
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int name::getAvailOut() { \
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type *s = (type *) vs; \
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return s->avail_out; \
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} \
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\
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void name::init() { \
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type *s = (type *) vs; \
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initf(s); \
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} \
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\
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int name::decompress() { \
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type *s = (type *) vs; \
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return dec(s); \
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}
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DECOMPRESSOR(lzmaDecompressor, lzma_stream, lzmaInit, lzmaDecode, unsigned char);
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DECOMPRESSOR(bzip2Decompressor, DState, BZ2_bzDecompressInit, BZ2_bzDecompress, unsigned char);
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DECOMPRESSOR(zlibDecompressor, z_stream, inflateReset, inflate, unsigned char);
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