PhysicsFS 2.0.3 imported.
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lib/physfs-2.0.3/lzma/C/Compress/Lzma/LzmaTest.c
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342
lib/physfs-2.0.3/lzma/C/Compress/Lzma/LzmaTest.c
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/*
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LzmaTest.c
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Test application for LZMA Decoder
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This file written and distributed to public domain by Igor Pavlov.
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This file is part of LZMA SDK 4.26 (2005-08-05)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "LzmaDecode.h"
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const char *kCantReadMessage = "Can not read input file";
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const char *kCantWriteMessage = "Can not write output file";
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const char *kCantAllocateMessage = "Can not allocate memory";
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size_t MyReadFile(FILE *file, void *data, size_t size)
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{
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if (size == 0)
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return 0;
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return fread(data, 1, size, file);
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}
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int MyReadFileAndCheck(FILE *file, void *data, size_t size)
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{ return (MyReadFile(file, data, size) == size);}
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size_t MyWriteFile(FILE *file, const void *data, size_t size)
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{
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if (size == 0)
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return 0;
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return fwrite(data, 1, size, file);
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}
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int MyWriteFileAndCheck(FILE *file, const void *data, size_t size)
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{ return (MyWriteFile(file, data, size) == size); }
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#ifdef _LZMA_IN_CB
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#define kInBufferSize (1 << 15)
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typedef struct _CBuffer
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{
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ILzmaInCallback InCallback;
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FILE *File;
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unsigned char Buffer[kInBufferSize];
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} CBuffer;
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int LzmaReadCompressed(void *object, const unsigned char **buffer, SizeT *size)
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{
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CBuffer *b = (CBuffer *)object;
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*buffer = b->Buffer;
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*size = (SizeT)MyReadFile(b->File, b->Buffer, kInBufferSize);
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return LZMA_RESULT_OK;
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}
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CBuffer g_InBuffer;
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#endif
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#ifdef _LZMA_OUT_READ
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#define kOutBufferSize (1 << 15)
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unsigned char g_OutBuffer[kOutBufferSize];
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#endif
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int PrintError(char *buffer, const char *message)
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{
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sprintf(buffer + strlen(buffer), "\nError: ");
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sprintf(buffer + strlen(buffer), message);
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return 1;
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}
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int main3(FILE *inFile, FILE *outFile, char *rs)
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{
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/* We use two 32-bit integers to construct 64-bit integer for file size.
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You can remove outSizeHigh, if you don't need >= 4GB supporting,
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or you can use UInt64 outSize, if your compiler supports 64-bit integers*/
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UInt32 outSize = 0;
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UInt32 outSizeHigh = 0;
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#ifndef _LZMA_OUT_READ
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SizeT outSizeFull;
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unsigned char *outStream;
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#endif
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int waitEOS = 1;
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/* waitEOS = 1, if there is no uncompressed size in headers,
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so decoder will wait EOS (End of Stream Marker) in compressed stream */
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#ifndef _LZMA_IN_CB
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SizeT compressedSize;
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unsigned char *inStream;
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#endif
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CLzmaDecoderState state; /* it's about 24-80 bytes structure, if int is 32-bit */
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unsigned char properties[LZMA_PROPERTIES_SIZE];
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int res;
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#ifdef _LZMA_IN_CB
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g_InBuffer.File = inFile;
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#endif
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if (sizeof(UInt32) < 4)
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return PrintError(rs, "LZMA decoder needs correct UInt32");
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#ifndef _LZMA_IN_CB
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{
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long length;
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fseek(inFile, 0, SEEK_END);
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length = ftell(inFile);
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fseek(inFile, 0, SEEK_SET);
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if ((long)(SizeT)length != length)
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return PrintError(rs, "Too big compressed stream");
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compressedSize = (SizeT)(length - (LZMA_PROPERTIES_SIZE + 8));
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}
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#endif
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/* Read LZMA properties for compressed stream */
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if (!MyReadFileAndCheck(inFile, properties, sizeof(properties)))
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return PrintError(rs, kCantReadMessage);
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/* Read uncompressed size */
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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unsigned char b;
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if (!MyReadFileAndCheck(inFile, &b, 1))
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return PrintError(rs, kCantReadMessage);
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if (b != 0xFF)
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waitEOS = 0;
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if (i < 4)
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outSize += (UInt32)(b) << (i * 8);
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else
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outSizeHigh += (UInt32)(b) << ((i - 4) * 8);
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}
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#ifndef _LZMA_OUT_READ
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if (waitEOS)
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return PrintError(rs, "Stream with EOS marker is not supported");
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outSizeFull = (SizeT)outSize;
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if (sizeof(SizeT) >= 8)
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outSizeFull |= (((SizeT)outSizeHigh << 16) << 16);
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else if (outSizeHigh != 0 || (UInt32)(SizeT)outSize != outSize)
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return PrintError(rs, "Too big uncompressed stream");
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#endif
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}
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/* Decode LZMA properties and allocate memory */
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if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK)
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return PrintError(rs, "Incorrect stream properties");
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state.Probs = (CProb *)malloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
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#ifdef _LZMA_OUT_READ
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if (state.Properties.DictionarySize == 0)
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state.Dictionary = 0;
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else
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state.Dictionary = (unsigned char *)malloc(state.Properties.DictionarySize);
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#else
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if (outSizeFull == 0)
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outStream = 0;
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else
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outStream = (unsigned char *)malloc(outSizeFull);
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#endif
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#ifndef _LZMA_IN_CB
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if (compressedSize == 0)
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inStream = 0;
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else
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inStream = (unsigned char *)malloc(compressedSize);
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#endif
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if (state.Probs == 0
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#ifdef _LZMA_OUT_READ
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|| (state.Dictionary == 0 && state.Properties.DictionarySize != 0)
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#else
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|| (outStream == 0 && outSizeFull != 0)
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#endif
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#ifndef _LZMA_IN_CB
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|| (inStream == 0 && compressedSize != 0)
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#endif
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)
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{
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free(state.Probs);
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#ifdef _LZMA_OUT_READ
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free(state.Dictionary);
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#else
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free(outStream);
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#endif
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#ifndef _LZMA_IN_CB
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free(inStream);
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#endif
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return PrintError(rs, kCantAllocateMessage);
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}
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/* Decompress */
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#ifdef _LZMA_IN_CB
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g_InBuffer.InCallback.Read = LzmaReadCompressed;
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#else
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if (!MyReadFileAndCheck(inFile, inStream, compressedSize))
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return PrintError(rs, kCantReadMessage);
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#endif
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#ifdef _LZMA_OUT_READ
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{
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#ifndef _LZMA_IN_CB
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SizeT inAvail = compressedSize;
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const unsigned char *inBuffer = inStream;
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#endif
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LzmaDecoderInit(&state);
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do
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{
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#ifndef _LZMA_IN_CB
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SizeT inProcessed;
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#endif
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SizeT outProcessed;
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SizeT outAvail = kOutBufferSize;
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if (!waitEOS && outSizeHigh == 0 && outAvail > outSize)
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outAvail = (SizeT)outSize;
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res = LzmaDecode(&state,
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#ifdef _LZMA_IN_CB
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&g_InBuffer.InCallback,
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#else
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inBuffer, inAvail, &inProcessed,
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#endif
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g_OutBuffer, outAvail, &outProcessed);
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if (res != 0)
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{
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sprintf(rs + strlen(rs), "\nDecoding error = %d\n", res);
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res = 1;
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break;
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}
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#ifndef _LZMA_IN_CB
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inAvail -= inProcessed;
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inBuffer += inProcessed;
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#endif
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if (outFile != 0)
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if (!MyWriteFileAndCheck(outFile, g_OutBuffer, (size_t)outProcessed))
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{
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PrintError(rs, kCantWriteMessage);
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res = 1;
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break;
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}
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if (outSize < outProcessed)
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outSizeHigh--;
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outSize -= (UInt32)outProcessed;
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outSize &= 0xFFFFFFFF;
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if (outProcessed == 0)
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{
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if (!waitEOS && (outSize != 0 || outSizeHigh != 0))
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res = 1;
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break;
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}
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}
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while ((outSize != 0 && outSizeHigh == 0) || outSizeHigh != 0 || waitEOS);
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}
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#else
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{
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#ifndef _LZMA_IN_CB
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SizeT inProcessed;
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#endif
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SizeT outProcessed;
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res = LzmaDecode(&state,
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#ifdef _LZMA_IN_CB
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&g_InBuffer.InCallback,
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#else
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inStream, compressedSize, &inProcessed,
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#endif
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outStream, outSizeFull, &outProcessed);
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if (res != 0)
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{
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sprintf(rs + strlen(rs), "\nDecoding error = %d\n", res);
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res = 1;
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}
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else if (outFile != 0)
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{
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if (!MyWriteFileAndCheck(outFile, outStream, (size_t)outProcessed))
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{
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PrintError(rs, kCantWriteMessage);
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res = 1;
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}
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}
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}
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#endif
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free(state.Probs);
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#ifdef _LZMA_OUT_READ
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free(state.Dictionary);
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#else
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free(outStream);
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#endif
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#ifndef _LZMA_IN_CB
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free(inStream);
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#endif
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return res;
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}
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int main2(int numArgs, const char *args[], char *rs)
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{
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FILE *inFile = 0;
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FILE *outFile = 0;
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int res;
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sprintf(rs + strlen(rs), "\nLZMA Decoder 4.26 Copyright (c) 1999-2005 Igor Pavlov 2005-08-05\n");
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if (numArgs < 2 || numArgs > 3)
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{
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sprintf(rs + strlen(rs), "\nUsage: lzmadec file.lzma [outFile]\n");
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return 1;
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}
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inFile = fopen(args[1], "rb");
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if (inFile == 0)
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return PrintError(rs, "Can not open input file");
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if (numArgs > 2)
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{
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outFile = fopen(args[2], "wb+");
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if (outFile == 0)
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return PrintError(rs, "Can not open output file");
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}
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res = main3(inFile, outFile, rs);
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if (outFile != 0)
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fclose(outFile);
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fclose(inFile);
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return res;
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}
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int main(int numArgs, const char *args[])
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{
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char rs[800] = { 0 };
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int res = main2(numArgs, args, rs);
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printf(rs);
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return res;
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}
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