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Improved LZMA library.

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This commit is contained in:
n-a-c-h
2005-03-08 10:52:48 +00:00
parent 872a900b04
commit 0ba0f5608c
4 changed files with 35 additions and 25 deletions
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5
zsnes/src/jma/7z.h
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@@ -1,5 +1,5 @@
/*
Copyright (C) 2004 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2005 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
This library is free software; you can redistribute it and/or
@@ -20,6 +20,9 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef __7Z_H
#define __7Z_H
#include "iiostrm.h"
bool decompress_lzma_7z(ISequentialInStream& in, unsigned in_size, ISequentialOutStream& out, unsigned out_size) throw ();
bool decompress_lzma_7z(const unsigned char* in_data, unsigned in_size, unsigned char* out_data, unsigned out_size) throw ();
#endif

45
zsnes/src/jma/7zlzma.cpp
View File

@@ -1,4 +1,5 @@
/*
Copyright (C) 2005 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
This library is free software; you can redistribute it and/or
@@ -20,27 +21,31 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "lzmadec.h"
bool decompress_lzma_7z(const unsigned char* in_data, unsigned in_size, unsigned char* out_data, unsigned out_size) throw () {
try {
NCompress::NLZMA::CDecoder cc;
bool decompress_lzma_7z(ISequentialInStream& in, unsigned in_size, ISequentialOutStream& out, unsigned out_size) throw ()
{
try
{
NCompress::NLZMA::CDecoder cc;
ISequentialInStream in(reinterpret_cast<const char*>(in_data), in_size);
ISequentialOutStream out(reinterpret_cast<char*>(out_data), out_size);
UINT64 in_size_l = in_size;
UINT64 out_size_l = out_size;
UINT64 in_size_l = in_size;
UINT64 out_size_l = out_size;
if (cc.ReadCoderProperties(&in) != S_OK) { return(false); }
if (cc.Code(&in, &out, &in_size_l, &out_size_l) != S_OK) { return(false); }
if (out.size_get() != out_size || out.overflow_get()) { return(false); }
if (cc.ReadCoderProperties(&in) != S_OK)
return false;
if (cc.Code(&in, &out, &in_size_l, &out_size_l) != S_OK)
return false;
if (out.size_get() != out_size || out.overflow_get())
return false;
return true;
} catch (...) {
return false;
}
return(true);
}
catch (...)
{
return(false);
}
}
bool decompress_lzma_7z(const unsigned char* in_data, unsigned int in_size, unsigned char* out_data, unsigned int out_size) throw ()
{
ISequentialInStream_Array in(reinterpret_cast<const char*>(in_data), in_size);
ISequentialOutStream_Array out(reinterpret_cast<char*>(out_data), out_size);
return(decompress_lzma_7z(in, in_size, out, out_size));
}