342 lines
8.1 KiB
C
342 lines
8.1 KiB
C
/*
|
|
LzmaTest.c
|
|
Test application for LZMA Decoder
|
|
|
|
This file written and distributed to public domain by Igor Pavlov.
|
|
This file is part of LZMA SDK 4.26 (2005-08-05)
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "LzmaDecode.h"
|
|
|
|
const char *kCantReadMessage = "Can not read input file";
|
|
const char *kCantWriteMessage = "Can not write output file";
|
|
const char *kCantAllocateMessage = "Can not allocate memory";
|
|
|
|
size_t MyReadFile(FILE *file, void *data, size_t size)
|
|
{
|
|
if (size == 0)
|
|
return 0;
|
|
return fread(data, 1, size, file);
|
|
}
|
|
|
|
int MyReadFileAndCheck(FILE *file, void *data, size_t size)
|
|
{ return (MyReadFile(file, data, size) == size);}
|
|
|
|
size_t MyWriteFile(FILE *file, const void *data, size_t size)
|
|
{
|
|
if (size == 0)
|
|
return 0;
|
|
return fwrite(data, 1, size, file);
|
|
}
|
|
|
|
int MyWriteFileAndCheck(FILE *file, const void *data, size_t size)
|
|
{ return (MyWriteFile(file, data, size) == size); }
|
|
|
|
#ifdef _LZMA_IN_CB
|
|
#define kInBufferSize (1 << 15)
|
|
typedef struct _CBuffer
|
|
{
|
|
ILzmaInCallback InCallback;
|
|
FILE *File;
|
|
unsigned char Buffer[kInBufferSize];
|
|
} CBuffer;
|
|
|
|
int LzmaReadCompressed(void *object, const unsigned char **buffer, SizeT *size)
|
|
{
|
|
CBuffer *b = (CBuffer *)object;
|
|
*buffer = b->Buffer;
|
|
*size = (SizeT)MyReadFile(b->File, b->Buffer, kInBufferSize);
|
|
return LZMA_RESULT_OK;
|
|
}
|
|
CBuffer g_InBuffer;
|
|
|
|
#endif
|
|
|
|
#ifdef _LZMA_OUT_READ
|
|
#define kOutBufferSize (1 << 15)
|
|
unsigned char g_OutBuffer[kOutBufferSize];
|
|
#endif
|
|
|
|
int PrintError(char *buffer, const char *message)
|
|
{
|
|
sprintf(buffer + strlen(buffer), "\nError: ");
|
|
sprintf(buffer + strlen(buffer), message);
|
|
return 1;
|
|
}
|
|
|
|
int main3(FILE *inFile, FILE *outFile, char *rs)
|
|
{
|
|
/* We use two 32-bit integers to construct 64-bit integer for file size.
|
|
You can remove outSizeHigh, if you don't need >= 4GB supporting,
|
|
or you can use UInt64 outSize, if your compiler supports 64-bit integers*/
|
|
UInt32 outSize = 0;
|
|
UInt32 outSizeHigh = 0;
|
|
#ifndef _LZMA_OUT_READ
|
|
SizeT outSizeFull;
|
|
unsigned char *outStream;
|
|
#endif
|
|
|
|
int waitEOS = 1;
|
|
/* waitEOS = 1, if there is no uncompressed size in headers,
|
|
so decoder will wait EOS (End of Stream Marker) in compressed stream */
|
|
|
|
#ifndef _LZMA_IN_CB
|
|
SizeT compressedSize;
|
|
unsigned char *inStream;
|
|
#endif
|
|
|
|
CLzmaDecoderState state; /* it's about 24-80 bytes structure, if int is 32-bit */
|
|
unsigned char properties[LZMA_PROPERTIES_SIZE];
|
|
|
|
int res;
|
|
|
|
#ifdef _LZMA_IN_CB
|
|
g_InBuffer.File = inFile;
|
|
#endif
|
|
|
|
if (sizeof(UInt32) < 4)
|
|
return PrintError(rs, "LZMA decoder needs correct UInt32");
|
|
|
|
#ifndef _LZMA_IN_CB
|
|
{
|
|
long length;
|
|
fseek(inFile, 0, SEEK_END);
|
|
length = ftell(inFile);
|
|
fseek(inFile, 0, SEEK_SET);
|
|
if ((long)(SizeT)length != length)
|
|
return PrintError(rs, "Too big compressed stream");
|
|
compressedSize = (SizeT)(length - (LZMA_PROPERTIES_SIZE + 8));
|
|
}
|
|
#endif
|
|
|
|
/* Read LZMA properties for compressed stream */
|
|
|
|
if (!MyReadFileAndCheck(inFile, properties, sizeof(properties)))
|
|
return PrintError(rs, kCantReadMessage);
|
|
|
|
/* Read uncompressed size */
|
|
|
|
{
|
|
int i;
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
unsigned char b;
|
|
if (!MyReadFileAndCheck(inFile, &b, 1))
|
|
return PrintError(rs, kCantReadMessage);
|
|
if (b != 0xFF)
|
|
waitEOS = 0;
|
|
if (i < 4)
|
|
outSize += (UInt32)(b) << (i * 8);
|
|
else
|
|
outSizeHigh += (UInt32)(b) << ((i - 4) * 8);
|
|
}
|
|
|
|
#ifndef _LZMA_OUT_READ
|
|
if (waitEOS)
|
|
return PrintError(rs, "Stream with EOS marker is not supported");
|
|
outSizeFull = (SizeT)outSize;
|
|
if (sizeof(SizeT) >= 8)
|
|
outSizeFull |= (((SizeT)outSizeHigh << 16) << 16);
|
|
else if (outSizeHigh != 0 || (UInt32)(SizeT)outSize != outSize)
|
|
return PrintError(rs, "Too big uncompressed stream");
|
|
#endif
|
|
}
|
|
|
|
/* Decode LZMA properties and allocate memory */
|
|
|
|
if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK)
|
|
return PrintError(rs, "Incorrect stream properties");
|
|
state.Probs = (CProb *)malloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
|
|
|
|
#ifdef _LZMA_OUT_READ
|
|
if (state.Properties.DictionarySize == 0)
|
|
state.Dictionary = 0;
|
|
else
|
|
state.Dictionary = (unsigned char *)malloc(state.Properties.DictionarySize);
|
|
#else
|
|
if (outSizeFull == 0)
|
|
outStream = 0;
|
|
else
|
|
outStream = (unsigned char *)malloc(outSizeFull);
|
|
#endif
|
|
|
|
#ifndef _LZMA_IN_CB
|
|
if (compressedSize == 0)
|
|
inStream = 0;
|
|
else
|
|
inStream = (unsigned char *)malloc(compressedSize);
|
|
#endif
|
|
|
|
if (state.Probs == 0
|
|
#ifdef _LZMA_OUT_READ
|
|
|| (state.Dictionary == 0 && state.Properties.DictionarySize != 0)
|
|
#else
|
|
|| (outStream == 0 && outSizeFull != 0)
|
|
#endif
|
|
#ifndef _LZMA_IN_CB
|
|
|| (inStream == 0 && compressedSize != 0)
|
|
#endif
|
|
)
|
|
{
|
|
free(state.Probs);
|
|
#ifdef _LZMA_OUT_READ
|
|
free(state.Dictionary);
|
|
#else
|
|
free(outStream);
|
|
#endif
|
|
#ifndef _LZMA_IN_CB
|
|
free(inStream);
|
|
#endif
|
|
return PrintError(rs, kCantAllocateMessage);
|
|
}
|
|
|
|
/* Decompress */
|
|
|
|
#ifdef _LZMA_IN_CB
|
|
g_InBuffer.InCallback.Read = LzmaReadCompressed;
|
|
#else
|
|
if (!MyReadFileAndCheck(inFile, inStream, compressedSize))
|
|
return PrintError(rs, kCantReadMessage);
|
|
#endif
|
|
|
|
#ifdef _LZMA_OUT_READ
|
|
{
|
|
#ifndef _LZMA_IN_CB
|
|
SizeT inAvail = compressedSize;
|
|
const unsigned char *inBuffer = inStream;
|
|
#endif
|
|
LzmaDecoderInit(&state);
|
|
do
|
|
{
|
|
#ifndef _LZMA_IN_CB
|
|
SizeT inProcessed;
|
|
#endif
|
|
SizeT outProcessed;
|
|
SizeT outAvail = kOutBufferSize;
|
|
if (!waitEOS && outSizeHigh == 0 && outAvail > outSize)
|
|
outAvail = (SizeT)outSize;
|
|
res = LzmaDecode(&state,
|
|
#ifdef _LZMA_IN_CB
|
|
&g_InBuffer.InCallback,
|
|
#else
|
|
inBuffer, inAvail, &inProcessed,
|
|
#endif
|
|
g_OutBuffer, outAvail, &outProcessed);
|
|
if (res != 0)
|
|
{
|
|
sprintf(rs + strlen(rs), "\nDecoding error = %d\n", res);
|
|
res = 1;
|
|
break;
|
|
}
|
|
#ifndef _LZMA_IN_CB
|
|
inAvail -= inProcessed;
|
|
inBuffer += inProcessed;
|
|
#endif
|
|
|
|
if (outFile != 0)
|
|
if (!MyWriteFileAndCheck(outFile, g_OutBuffer, (size_t)outProcessed))
|
|
{
|
|
PrintError(rs, kCantWriteMessage);
|
|
res = 1;
|
|
break;
|
|
}
|
|
|
|
if (outSize < outProcessed)
|
|
outSizeHigh--;
|
|
outSize -= (UInt32)outProcessed;
|
|
outSize &= 0xFFFFFFFF;
|
|
|
|
if (outProcessed == 0)
|
|
{
|
|
if (!waitEOS && (outSize != 0 || outSizeHigh != 0))
|
|
res = 1;
|
|
break;
|
|
}
|
|
}
|
|
while ((outSize != 0 && outSizeHigh == 0) || outSizeHigh != 0 || waitEOS);
|
|
}
|
|
|
|
#else
|
|
{
|
|
#ifndef _LZMA_IN_CB
|
|
SizeT inProcessed;
|
|
#endif
|
|
SizeT outProcessed;
|
|
res = LzmaDecode(&state,
|
|
#ifdef _LZMA_IN_CB
|
|
&g_InBuffer.InCallback,
|
|
#else
|
|
inStream, compressedSize, &inProcessed,
|
|
#endif
|
|
outStream, outSizeFull, &outProcessed);
|
|
if (res != 0)
|
|
{
|
|
sprintf(rs + strlen(rs), "\nDecoding error = %d\n", res);
|
|
res = 1;
|
|
}
|
|
else if (outFile != 0)
|
|
{
|
|
if (!MyWriteFileAndCheck(outFile, outStream, (size_t)outProcessed))
|
|
{
|
|
PrintError(rs, kCantWriteMessage);
|
|
res = 1;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
free(state.Probs);
|
|
#ifdef _LZMA_OUT_READ
|
|
free(state.Dictionary);
|
|
#else
|
|
free(outStream);
|
|
#endif
|
|
#ifndef _LZMA_IN_CB
|
|
free(inStream);
|
|
#endif
|
|
return res;
|
|
}
|
|
|
|
int main2(int numArgs, const char *args[], char *rs)
|
|
{
|
|
FILE *inFile = 0;
|
|
FILE *outFile = 0;
|
|
int res;
|
|
|
|
sprintf(rs + strlen(rs), "\nLZMA Decoder 4.26 Copyright (c) 1999-2005 Igor Pavlov 2005-08-05\n");
|
|
if (numArgs < 2 || numArgs > 3)
|
|
{
|
|
sprintf(rs + strlen(rs), "\nUsage: lzmadec file.lzma [outFile]\n");
|
|
return 1;
|
|
}
|
|
|
|
inFile = fopen(args[1], "rb");
|
|
if (inFile == 0)
|
|
return PrintError(rs, "Can not open input file");
|
|
|
|
if (numArgs > 2)
|
|
{
|
|
outFile = fopen(args[2], "wb+");
|
|
if (outFile == 0)
|
|
return PrintError(rs, "Can not open output file");
|
|
}
|
|
|
|
res = main3(inFile, outFile, rs);
|
|
|
|
if (outFile != 0)
|
|
fclose(outFile);
|
|
fclose(inFile);
|
|
return res;
|
|
}
|
|
|
|
int main(int numArgs, const char *args[])
|
|
{
|
|
char rs[800] = { 0 };
|
|
int res = main2(numArgs, args, rs);
|
|
printf(rs);
|
|
return res;
|
|
}
|