From ce188d4d7f3b9ad04867c49b424e8497c2ade92b Mon Sep 17 00:00:00 2001 From: aliaspider Date: Tue, 14 May 2019 08:58:52 +0100 Subject: add CHD support. --- deps/lzma-16.04/C/Util/Lzma/LzmaUtil.c | 250 +++++++++++++++++++++++++++++++++ 1 file changed, 250 insertions(+) create mode 100644 deps/lzma-16.04/C/Util/Lzma/LzmaUtil.c (limited to 'deps/lzma-16.04/C/Util/Lzma/LzmaUtil.c') diff --git a/deps/lzma-16.04/C/Util/Lzma/LzmaUtil.c b/deps/lzma-16.04/C/Util/Lzma/LzmaUtil.c new file mode 100644 index 0000000..98331b4 --- /dev/null +++ b/deps/lzma-16.04/C/Util/Lzma/LzmaUtil.c @@ -0,0 +1,250 @@ +/* LzmaUtil.c -- Test application for LZMA compression +2015-11-08 : Igor Pavlov : Public domain */ + +#include "../../Precomp.h" + +#include +#include +#include + +#include "../../Alloc.h" +#include "../../7zFile.h" +#include "../../7zVersion.h" +#include "../../LzmaDec.h" +#include "../../LzmaEnc.h" + +const char *kCantReadMessage = "Can not read input file"; +const char *kCantWriteMessage = "Can not write output file"; +const char *kCantAllocateMessage = "Can not allocate memory"; +const char *kDataErrorMessage = "Data error"; + +void PrintHelp(char *buffer) +{ + strcat(buffer, "\nLZMA Utility " MY_VERSION_COPYRIGHT_DATE "\n" + "\nUsage: lzma inputFile outputFile\n" + " e: encode file\n" + " d: decode file\n"); +} + +int PrintError(char *buffer, const char *message) +{ + strcat(buffer, "\nError: "); + strcat(buffer, message); + strcat(buffer, "\n"); + return 1; +} + +int PrintErrorNumber(char *buffer, SRes val) +{ + sprintf(buffer + strlen(buffer), "\nError code: %x\n", (unsigned)val); + return 1; +} + +int PrintUserError(char *buffer) +{ + return PrintError(buffer, "Incorrect command"); +} + +#define IN_BUF_SIZE (1 << 16) +#define OUT_BUF_SIZE (1 << 16) + +static SRes Decode2(CLzmaDec *state, ISeqOutStream *outStream, ISeqInStream *inStream, + UInt64 unpackSize) +{ + int thereIsSize = (unpackSize != (UInt64)(Int64)-1); + Byte inBuf[IN_BUF_SIZE]; + Byte outBuf[OUT_BUF_SIZE]; + size_t inPos = 0, inSize = 0, outPos = 0; + LzmaDec_Init(state); + for (;;) + { + if (inPos == inSize) + { + inSize = IN_BUF_SIZE; + RINOK(inStream->Read(inStream, inBuf, &inSize)); + inPos = 0; + } + { + SRes res; + SizeT inProcessed = inSize - inPos; + SizeT outProcessed = OUT_BUF_SIZE - outPos; + ELzmaFinishMode finishMode = LZMA_FINISH_ANY; + ELzmaStatus status; + if (thereIsSize && outProcessed > unpackSize) + { + outProcessed = (SizeT)unpackSize; + finishMode = LZMA_FINISH_END; + } + + res = LzmaDec_DecodeToBuf(state, outBuf + outPos, &outProcessed, + inBuf + inPos, &inProcessed, finishMode, &status); + inPos += inProcessed; + outPos += outProcessed; + unpackSize -= outProcessed; + + if (outStream) + if (outStream->Write(outStream, outBuf, outPos) != outPos) + return SZ_ERROR_WRITE; + + outPos = 0; + + if (res != SZ_OK || (thereIsSize && unpackSize == 0)) + return res; + + if (inProcessed == 0 && outProcessed == 0) + { + if (thereIsSize || status != LZMA_STATUS_FINISHED_WITH_MARK) + return SZ_ERROR_DATA; + return res; + } + } + } +} + +static SRes Decode(ISeqOutStream *outStream, ISeqInStream *inStream) +{ + UInt64 unpackSize; + int i; + SRes res = 0; + + CLzmaDec state; + + /* header: 5 bytes of LZMA properties and 8 bytes of uncompressed size */ + unsigned char header[LZMA_PROPS_SIZE + 8]; + + /* Read and parse header */ + + RINOK(SeqInStream_Read(inStream, header, sizeof(header))); + + unpackSize = 0; + for (i = 0; i < 8; i++) + unpackSize += (UInt64)header[LZMA_PROPS_SIZE + i] << (i * 8); + + LzmaDec_Construct(&state); + RINOK(LzmaDec_Allocate(&state, header, LZMA_PROPS_SIZE, &g_Alloc)); + res = Decode2(&state, outStream, inStream, unpackSize); + LzmaDec_Free(&state, &g_Alloc); + return res; +} + +static SRes Encode(ISeqOutStream *outStream, ISeqInStream *inStream, UInt64 fileSize, char *rs) +{ + CLzmaEncHandle enc; + SRes res; + CLzmaEncProps props; + + UNUSED_VAR(rs); + + enc = LzmaEnc_Create(&g_Alloc); + if (enc == 0) + return SZ_ERROR_MEM; + + LzmaEncProps_Init(&props); + res = LzmaEnc_SetProps(enc, &props); + + if (res == SZ_OK) + { + Byte header[LZMA_PROPS_SIZE + 8]; + size_t headerSize = LZMA_PROPS_SIZE; + int i; + + res = LzmaEnc_WriteProperties(enc, header, &headerSize); + for (i = 0; i < 8; i++) + header[headerSize++] = (Byte)(fileSize >> (8 * i)); + if (outStream->Write(outStream, header, headerSize) != headerSize) + res = SZ_ERROR_WRITE; + else + { + if (res == SZ_OK) + res = LzmaEnc_Encode(enc, outStream, inStream, NULL, &g_Alloc, &g_Alloc); + } + } + LzmaEnc_Destroy(enc, &g_Alloc, &g_Alloc); + return res; +} + +int main2(int numArgs, const char *args[], char *rs) +{ + CFileSeqInStream inStream; + CFileOutStream outStream; + char c; + int res; + int encodeMode; + Bool useOutFile = False; + + FileSeqInStream_CreateVTable(&inStream); + File_Construct(&inStream.file); + + FileOutStream_CreateVTable(&outStream); + File_Construct(&outStream.file); + + if (numArgs == 1) + { + PrintHelp(rs); + return 0; + } + + if (numArgs < 3 || numArgs > 4 || strlen(args[1]) != 1) + return PrintUserError(rs); + + c = args[1][0]; + encodeMode = (c == 'e' || c == 'E'); + if (!encodeMode && c != 'd' && c != 'D') + return PrintUserError(rs); + + { + size_t t4 = sizeof(UInt32); + size_t t8 = sizeof(UInt64); + if (t4 != 4 || t8 != 8) + return PrintError(rs, "Incorrect UInt32 or UInt64"); + } + + if (InFile_Open(&inStream.file, args[2]) != 0) + return PrintError(rs, "Can not open input file"); + + if (numArgs > 3) + { + useOutFile = True; + if (OutFile_Open(&outStream.file, args[3]) != 0) + return PrintError(rs, "Can not open output file"); + } + else if (encodeMode) + PrintUserError(rs); + + if (encodeMode) + { + UInt64 fileSize; + File_GetLength(&inStream.file, &fileSize); + res = Encode(&outStream.s, &inStream.s, fileSize, rs); + } + else + { + res = Decode(&outStream.s, useOutFile ? &inStream.s : NULL); + } + + if (useOutFile) + File_Close(&outStream.file); + File_Close(&inStream.file); + + if (res != SZ_OK) + { + if (res == SZ_ERROR_MEM) + return PrintError(rs, kCantAllocateMessage); + else if (res == SZ_ERROR_DATA) + return PrintError(rs, kDataErrorMessage); + else if (res == SZ_ERROR_WRITE) + return PrintError(rs, kCantWriteMessage); + else if (res == SZ_ERROR_READ) + return PrintError(rs, kCantReadMessage); + return PrintErrorNumber(rs, res); + } + return 0; +} + +int MY_CDECL main(int numArgs, const char *args[]) +{ + char rs[800] = { 0 }; + int res = main2(numArgs, args, rs); + fputs(rs, stdout); + return res; +} -- cgit v1.2.3