diff options
Diffstat (limited to 'programs/fileio.c')
-rw-r--r-- | programs/fileio.c | 1008 |
1 files changed, 752 insertions, 256 deletions
diff --git a/programs/fileio.c b/programs/fileio.c index e188936b21f55..1dd8008e84952 100644 --- a/programs/fileio.c +++ b/programs/fileio.c @@ -77,10 +77,7 @@ #define BLOCKSIZE (128 KB) #define ROLLBUFFERSIZE (BLOCKSIZE*8*64) -#define FIO_FRAMEHEADERSIZE 5 /* as a define, because needed to allocated table on stack */ -#define FSE_CHECKSUM_SEED 0 - -#define CACHELINE 64 +#define FIO_FRAMEHEADERSIZE 5 /* as a define, because needed to allocated table on stack */ #define DICTSIZE_MAX (32 MB) /* protection against large input (attack scenario) */ @@ -91,8 +88,9 @@ * Macros ***************************************/ #define DISPLAY(...) fprintf(stderr, __VA_ARGS__) +#define DISPLAYOUT(...) fprintf(stdout, __VA_ARGS__) #define DISPLAYLEVEL(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } } -static int g_displayLevel = 2; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */ +static int g_displayLevel = 2; /* 0 : no display; 1: errors; 2: + result + interaction + warnings; 3: + progression; 4: + information */ void FIO_setNotificationLevel(unsigned level) { g_displayLevel=level; } #define DISPLAYUPDATE(l, ...) { if (g_displayLevel>=l) { \ @@ -102,10 +100,46 @@ void FIO_setNotificationLevel(unsigned level) { g_displayLevel=level; } static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100; static clock_t g_time = 0; -#undef MIN +#undef MIN /* in case it would be already defined */ #define MIN(a,b) ((a) < (b) ? (a) : (b)) +/*-************************************* +* Errors +***************************************/ +/*-************************************* +* Debug +***************************************/ +#if defined(ZSTD_DEBUG) && (ZSTD_DEBUG>=1) +# include <assert.h> +#else +# ifndef assert +# define assert(condition) ((void)0) +# endif +#endif + +#ifndef ZSTD_DEBUG +# define ZSTD_DEBUG 0 +#endif +#define DEBUGLOG(l,...) if (l<=ZSTD_DEBUG) DISPLAY(__VA_ARGS__); +#define EXM_THROW(error, ...) \ +{ \ + DISPLAYLEVEL(1, "zstd: "); \ + DEBUGLOG(1, "Error defined at %s, line %i : \n", __FILE__, __LINE__); \ + DISPLAYLEVEL(1, "error %i : ", error); \ + DISPLAYLEVEL(1, __VA_ARGS__); \ + DISPLAYLEVEL(1, " \n"); \ + exit(error); \ +} + +#define CHECK(f) { \ + size_t const err = f; \ + if (ZSTD_isError(err)) { \ + DEBUGLOG(1, "%s \n", #f); \ + EXM_THROW(11, "%s", ZSTD_getErrorName(err)); \ +} } + + /* ************************************************************ * Avoid fseek()'s 2GiB barrier with MSVC, MacOS, *BSD, MinGW ***************************************************************/ @@ -145,7 +179,7 @@ static FIO_compressionType_t g_compressionType = FIO_zstdCompression; void FIO_setCompressionType(FIO_compressionType_t compressionType) { g_compressionType = compressionType; } static U32 g_overwrite = 0; void FIO_overwriteMode(void) { g_overwrite=1; } -static U32 g_sparseFileSupport = 1; /* 0 : no sparse allowed; 1: auto (file yes, stdout no); 2: force sparse */ +static U32 g_sparseFileSupport = 1; /* 0: no sparse allowed; 1: auto (file yes, stdout no); 2: force sparse */ void FIO_setSparseWrite(unsigned sparse) { g_sparseFileSupport=sparse; } static U32 g_dictIDFlag = 1; void FIO_setDictIDFlag(unsigned dictIDFlag) { g_dictIDFlag = dictIDFlag; } @@ -182,23 +216,6 @@ void FIO_setOverlapLog(unsigned overlapLog){ /*-************************************* -* Exceptions -***************************************/ -#ifndef DEBUG -# define DEBUG 0 -#endif -#define DEBUGOUTPUT(...) if (DEBUG) DISPLAY(__VA_ARGS__); -#define EXM_THROW(error, ...) \ -{ \ - DEBUGOUTPUT("Error defined at %s, line %i : \n", __FILE__, __LINE__); \ - DISPLAYLEVEL(1, "Error %i : ", error); \ - DISPLAYLEVEL(1, __VA_ARGS__); \ - DISPLAYLEVEL(1, " \n"); \ - exit(error); \ -} - - -/*-************************************* * Functions ***************************************/ /** FIO_remove() : @@ -206,8 +223,8 @@ void FIO_setOverlapLog(unsigned overlapLog){ static int FIO_remove(const char* path) { #if defined(_WIN32) || defined(WIN32) - /* windows doesn't allow remove read-only files, so try to make it - * writable first */ + /* windows doesn't allow remove read-only files, + * so try to make it writable first */ chmod(path, _S_IWRITE); #endif return remove(path); @@ -225,12 +242,14 @@ static FILE* FIO_openSrcFile(const char* srcFileName) f = stdin; SET_BINARY_MODE(stdin); } else { - if (!UTIL_isRegFile(srcFileName)) { - DISPLAYLEVEL(1, "zstd: %s is not a regular file -- ignored \n", srcFileName); + if (!UTIL_isRegularFile(srcFileName)) { + DISPLAYLEVEL(1, "zstd: %s is not a regular file -- ignored \n", + srcFileName); return NULL; } f = fopen(srcFileName, "rb"); - if ( f==NULL ) DISPLAYLEVEL(1, "zstd: %s: %s \n", srcFileName, strerror(errno)); + if ( f==NULL ) + DISPLAYLEVEL(1, "zstd: %s: %s \n", srcFileName, strerror(errno)); } return f; @@ -255,26 +274,28 @@ static FILE* FIO_openDstFile(const char* dstFileName) if (g_sparseFileSupport == 1) { g_sparseFileSupport = ZSTD_SPARSE_DEFAULT; } - if (strcmp (dstFileName, nulmark)) { /* Check if destination file already exists */ + if (strcmp (dstFileName, nulmark)) { + /* Check if destination file already exists */ f = fopen( dstFileName, "rb" ); - if (f != 0) { /* dest file exists, prompt for overwrite authorization */ + if (f != 0) { /* dst file exists, prompt for overwrite authorization */ fclose(f); if (!g_overwrite) { if (g_displayLevel <= 1) { /* No interaction possible */ - DISPLAY("zstd: %s already exists; not overwritten \n", dstFileName); + DISPLAY("zstd: %s already exists; not overwritten \n", + dstFileName); return NULL; } - DISPLAY("zstd: %s already exists; do you wish to overwrite (y/N) ? ", dstFileName); + DISPLAY("zstd: %s already exists; do you wish to overwrite (y/N) ? ", + dstFileName); { int ch = getchar(); if ((ch!='Y') && (ch!='y')) { DISPLAY(" not overwritten \n"); return NULL; } - while ((ch!=EOF) && (ch!='\n')) ch = getchar(); /* flush rest of input line */ - } - } - + /* flush rest of input line */ + while ((ch!=EOF) && (ch!='\n')) ch = getchar(); + } } /* need to unlink */ FIO_remove(dstFileName); } } @@ -302,11 +323,13 @@ static size_t FIO_createDictBuffer(void** bufferPtr, const char* fileName) DISPLAYLEVEL(4,"Loading %s as dictionary \n", fileName); fileHandle = fopen(fileName, "rb"); - if (fileHandle==0) EXM_THROW(31, "zstd: %s: %s", fileName, strerror(errno)); + if (fileHandle==0) EXM_THROW(31, "%s: %s", fileName, strerror(errno)); fileSize = UTIL_getFileSize(fileName); - if (fileSize > DICTSIZE_MAX) EXM_THROW(32, "Dictionary file %s is too large (> %u MB)", fileName, DICTSIZE_MAX >> 20); /* avoid extreme cases */ + if (fileSize > DICTSIZE_MAX) + EXM_THROW(32, "Dictionary file %s is too large (> %u MB)", + fileName, DICTSIZE_MAX >> 20); /* avoid extreme cases */ *bufferPtr = malloc((size_t)fileSize); - if (*bufferPtr==NULL) EXM_THROW(34, "zstd: %s", strerror(errno)); + if (*bufferPtr==NULL) EXM_THROW(34, "%s", strerror(errno)); { size_t const readSize = fread(*bufferPtr, 1, (size_t)fileSize, fileHandle); if (readSize!=fileSize) EXM_THROW(35, "Error reading dictionary file %s", fileName); } fclose(fileHandle); @@ -325,7 +348,7 @@ typedef struct { size_t srcBufferSize; void* dstBuffer; size_t dstBufferSize; -#ifdef ZSTD_MULTITHREAD +#if !defined(ZSTD_NEWAPI) && defined(ZSTD_MULTITHREAD) ZSTDMT_CCtx* cctx; #else ZSTD_CStream* cctx; @@ -333,34 +356,65 @@ typedef struct { } cRess_t; static cRess_t FIO_createCResources(const char* dictFileName, int cLevel, - U64 srcSize, int srcRegFile, + U64 srcSize, int srcIsRegularFile, ZSTD_compressionParameters* comprParams) { cRess_t ress; memset(&ress, 0, sizeof(ress)); -#ifdef ZSTD_MULTITHREAD +#ifdef ZSTD_NEWAPI + ress.cctx = ZSTD_createCCtx(); + if (ress.cctx == NULL) + EXM_THROW(30, "allocation error : can't create ZSTD_CCtx"); +#elif defined(ZSTD_MULTITHREAD) ress.cctx = ZSTDMT_createCCtx(g_nbThreads); - if (ress.cctx == NULL) EXM_THROW(30, "zstd: allocation error : can't create ZSTD_CStream"); + if (ress.cctx == NULL) + EXM_THROW(30, "allocation error : can't create ZSTDMT_CCtx"); if ((cLevel==ZSTD_maxCLevel()) && (g_overlapLog==FIO_OVERLAP_LOG_NOTSET)) - ZSTDMT_setMTCtxParameter(ress.cctx, ZSTDMT_p_overlapSectionLog, 9); /* use complete window for overlap */ + /* use complete window for overlap */ + ZSTDMT_setMTCtxParameter(ress.cctx, ZSTDMT_p_overlapSectionLog, 9); if (g_overlapLog != FIO_OVERLAP_LOG_NOTSET) ZSTDMT_setMTCtxParameter(ress.cctx, ZSTDMT_p_overlapSectionLog, g_overlapLog); #else ress.cctx = ZSTD_createCStream(); - if (ress.cctx == NULL) EXM_THROW(30, "zstd: allocation error : can't create ZSTD_CStream"); + if (ress.cctx == NULL) + EXM_THROW(30, "allocation error : can't create ZSTD_CStream"); #endif ress.srcBufferSize = ZSTD_CStreamInSize(); ress.srcBuffer = malloc(ress.srcBufferSize); ress.dstBufferSize = ZSTD_CStreamOutSize(); ress.dstBuffer = malloc(ress.dstBufferSize); - if (!ress.srcBuffer || !ress.dstBuffer) EXM_THROW(31, "zstd: allocation error : not enough memory"); + if (!ress.srcBuffer || !ress.dstBuffer) + EXM_THROW(31, "allocation error : not enough memory"); /* dictionary */ { void* dictBuffer; size_t const dictBuffSize = FIO_createDictBuffer(&dictBuffer, dictFileName); /* works with dictFileName==NULL */ - if (dictFileName && (dictBuffer==NULL)) EXM_THROW(32, "zstd: allocation error : can't create dictBuffer"); + if (dictFileName && (dictBuffer==NULL)) + EXM_THROW(32, "allocation error : can't create dictBuffer"); + +#ifdef ZSTD_NEWAPI + { /* frame parameters */ + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_contentSizeFlag, srcIsRegularFile) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_dictIDFlag, g_dictIDFlag) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_checksumFlag, g_checksumFlag) ); + CHECK( ZSTD_CCtx_setPledgedSrcSize(ress.cctx, srcSize) ); + /* compression parameters */ + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_compressionLevel, cLevel) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_windowLog, comprParams->windowLog) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_chainLog, comprParams->chainLog) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_hashLog, comprParams->hashLog) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_searchLog, comprParams->searchLog) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_minMatch, comprParams->searchLength) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_targetLength, comprParams->targetLength) ); + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_compressionStrategy, (U32)comprParams->strategy) ); + /* multi-threading */ + CHECK( ZSTD_CCtx_setParameter(ress.cctx, ZSTD_p_nbThreads, g_nbThreads) ); + /* dictionary */ + CHECK( ZSTD_CCtx_loadDictionary(ress.cctx, dictBuffer, dictBuffSize) ); + } +#elif defined(ZSTD_MULTITHREAD) { ZSTD_parameters params = ZSTD_getParams(cLevel, srcSize, dictBuffSize); - params.fParams.contentSizeFlag = srcRegFile; + params.fParams.contentSizeFlag = srcIsRegularFile; params.fParams.checksumFlag = g_checksumFlag; params.fParams.noDictIDFlag = !g_dictIDFlag; if (comprParams->windowLog) params.cParams.windowLog = comprParams->windowLog; @@ -369,16 +423,25 @@ static cRess_t FIO_createCResources(const char* dictFileName, int cLevel, if (comprParams->searchLog) params.cParams.searchLog = comprParams->searchLog; if (comprParams->searchLength) params.cParams.searchLength = comprParams->searchLength; if (comprParams->targetLength) params.cParams.targetLength = comprParams->targetLength; - if (comprParams->strategy) params.cParams.strategy = (ZSTD_strategy)(comprParams->strategy - 1); /* 0 means : do not change */ -#ifdef ZSTD_MULTITHREAD - { size_t const errorCode = ZSTDMT_initCStream_advanced(ress.cctx, dictBuffer, dictBuffSize, params, srcSize); - if (ZSTD_isError(errorCode)) EXM_THROW(33, "Error initializing CStream : %s", ZSTD_getErrorName(errorCode)); - ZSTDMT_setMTCtxParameter(ress.cctx, ZSTDMT_p_sectionSize, g_blockSize); + if (comprParams->strategy) params.cParams.strategy = (ZSTD_strategy) comprParams->strategy; + CHECK( ZSTDMT_initCStream_advanced(ress.cctx, dictBuffer, dictBuffSize, params, srcSize) ); + ZSTDMT_setMTCtxParameter(ress.cctx, ZSTDMT_p_sectionSize, g_blockSize); + } #else - { size_t const errorCode = ZSTD_initCStream_advanced(ress.cctx, dictBuffer, dictBuffSize, params, srcSize); - if (ZSTD_isError(errorCode)) EXM_THROW(33, "Error initializing CStream : %s", ZSTD_getErrorName(errorCode)); + { ZSTD_parameters params = ZSTD_getParams(cLevel, srcSize, dictBuffSize); + params.fParams.contentSizeFlag = srcIsRegularFile; + params.fParams.checksumFlag = g_checksumFlag; + params.fParams.noDictIDFlag = !g_dictIDFlag; + if (comprParams->windowLog) params.cParams.windowLog = comprParams->windowLog; + if (comprParams->chainLog) params.cParams.chainLog = comprParams->chainLog; + if (comprParams->hashLog) params.cParams.hashLog = comprParams->hashLog; + if (comprParams->searchLog) params.cParams.searchLog = comprParams->searchLog; + if (comprParams->searchLength) params.cParams.searchLength = comprParams->searchLength; + if (comprParams->targetLength) params.cParams.targetLength = comprParams->targetLength; + if (comprParams->strategy) params.cParams.strategy = (ZSTD_strategy) comprParams->strategy; + CHECK( ZSTD_initCStream_advanced(ress.cctx, dictBuffer, dictBuffSize, params, srcSize) ); + } #endif - } } free(dictBuffer); } @@ -389,7 +452,7 @@ static void FIO_freeCResources(cRess_t ress) { free(ress.srcBuffer); free(ress.dstBuffer); -#ifdef ZSTD_MULTITHREAD +#if !defined(ZSTD_NEWAPI) && defined(ZSTD_MULTITHREAD) ZSTDMT_freeCCtx(ress.cctx); #else ZSTD_freeCStream(ress.cctx); /* never fails */ @@ -398,20 +461,26 @@ static void FIO_freeCResources(cRess_t ress) #ifdef ZSTD_GZCOMPRESS -static unsigned long long FIO_compressGzFrame(cRess_t* ress, const char* srcFileName, U64 const srcFileSize, int compressionLevel, U64* readsize) +static unsigned long long FIO_compressGzFrame(cRess_t* ress, + const char* srcFileName, U64 const srcFileSize, + int compressionLevel, U64* readsize) { unsigned long long inFileSize = 0, outFileSize = 0; z_stream strm; int ret; - if (compressionLevel > Z_BEST_COMPRESSION) compressionLevel = Z_BEST_COMPRESSION; + if (compressionLevel > Z_BEST_COMPRESSION) + compressionLevel = Z_BEST_COMPRESSION; strm.zalloc = Z_NULL; strm.zfree = Z_NULL; strm.opaque = Z_NULL; - ret = deflateInit2(&strm, compressionLevel, Z_DEFLATED, 15 /* maxWindowLogSize */ + 16 /* gzip only */, 8, Z_DEFAULT_STRATEGY); /* see http://www.zlib.net/manual.html */ - if (ret != Z_OK) EXM_THROW(71, "zstd: %s: deflateInit2 error %d \n", srcFileName, ret); + ret = deflateInit2(&strm, compressionLevel, Z_DEFLATED, + 15 /* maxWindowLogSize */ + 16 /* gzip only */, + 8, Z_DEFAULT_STRATEGY); /* see http://www.zlib.net/manual.html */ + if (ret != Z_OK) + EXM_THROW(71, "zstd: %s: deflateInit2 error %d \n", srcFileName, ret); strm.next_in = 0; strm.avail_in = 0; @@ -427,35 +496,45 @@ static unsigned long long FIO_compressGzFrame(cRess_t* ress, const char* srcFile strm.avail_in = (uInt)inSize; } ret = deflate(&strm, Z_NO_FLUSH); - if (ret != Z_OK) EXM_THROW(72, "zstd: %s: deflate error %d \n", srcFileName, ret); + if (ret != Z_OK) + EXM_THROW(72, "zstd: %s: deflate error %d \n", srcFileName, ret); { size_t const decompBytes = ress->dstBufferSize - strm.avail_out; if (decompBytes) { - if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) EXM_THROW(73, "Write error : cannot write to output file"); + if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) + EXM_THROW(73, "Write error : cannot write to output file"); outFileSize += decompBytes; strm.next_out = (Bytef*)ress->dstBuffer; strm.avail_out = (uInt)ress->dstBufferSize; } } - if (!srcFileSize) DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", (U32)(inFileSize>>20), (double)outFileSize/inFileSize*100) - else DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", (U32)(inFileSize>>20), (U32)(srcFileSize>>20), (double)outFileSize/inFileSize*100); + if (!srcFileSize) + DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", + (U32)(inFileSize>>20), + (double)outFileSize/inFileSize*100) + else + DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", + (U32)(inFileSize>>20), (U32)(srcFileSize>>20), + (double)outFileSize/inFileSize*100); } while (1) { ret = deflate(&strm, Z_FINISH); { size_t const decompBytes = ress->dstBufferSize - strm.avail_out; if (decompBytes) { - if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) EXM_THROW(75, "Write error : cannot write to output file"); + if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) + EXM_THROW(75, "Write error : cannot write to output file"); outFileSize += decompBytes; strm.next_out = (Bytef*)ress->dstBuffer; strm.avail_out = (uInt)ress->dstBufferSize; - } - } + } } if (ret == Z_STREAM_END) break; - if (ret != Z_BUF_ERROR) EXM_THROW(77, "zstd: %s: deflate error %d \n", srcFileName, ret); + if (ret != Z_BUF_ERROR) + EXM_THROW(77, "zstd: %s: deflate error %d \n", srcFileName, ret); } ret = deflateEnd(&strm); - if (ret != Z_OK) EXM_THROW(79, "zstd: %s: deflateEnd error %d \n", srcFileName, ret); + if (ret != Z_OK) + EXM_THROW(79, "zstd: %s: deflateEnd error %d \n", srcFileName, ret); *readsize = inFileSize; return outFileSize; @@ -464,7 +543,9 @@ static unsigned long long FIO_compressGzFrame(cRess_t* ress, const char* srcFile #ifdef ZSTD_LZMACOMPRESS -static unsigned long long FIO_compressLzmaFrame(cRess_t* ress, const char* srcFileName, U64 const srcFileSize, int compressionLevel, U64* readsize, int plain_lzma) +static unsigned long long FIO_compressLzmaFrame(cRess_t* ress, + const char* srcFileName, U64 const srcFileSize, + int compressionLevel, U64* readsize, int plain_lzma) { unsigned long long inFileSize = 0, outFileSize = 0; lzma_stream strm = LZMA_STREAM_INIT; @@ -476,17 +557,20 @@ static unsigned long long FIO_compressLzmaFrame(cRess_t* ress, const char* srcFi if (plain_lzma) { lzma_options_lzma opt_lzma; - if (lzma_lzma_preset(&opt_lzma, compressionLevel)) EXM_THROW(71, "zstd: %s: lzma_lzma_preset error", srcFileName); + if (lzma_lzma_preset(&opt_lzma, compressionLevel)) + EXM_THROW(71, "zstd: %s: lzma_lzma_preset error", srcFileName); ret = lzma_alone_encoder(&strm, &opt_lzma); /* LZMA */ - if (ret != LZMA_OK) EXM_THROW(71, "zstd: %s: lzma_alone_encoder error %d", srcFileName, ret); + if (ret != LZMA_OK) + EXM_THROW(71, "zstd: %s: lzma_alone_encoder error %d", srcFileName, ret); } else { ret = lzma_easy_encoder(&strm, compressionLevel, LZMA_CHECK_CRC64); /* XZ */ - if (ret != LZMA_OK) EXM_THROW(71, "zstd: %s: lzma_easy_encoder error %d", srcFileName, ret); + if (ret != LZMA_OK) + EXM_THROW(71, "zstd: %s: lzma_easy_encoder error %d", srcFileName, ret); } strm.next_in = 0; strm.avail_in = 0; - strm.next_out = ress->dstBuffer; + strm.next_out = (BYTE*)ress->dstBuffer; strm.avail_out = ress->dstBufferSize; while (1) { @@ -494,23 +578,30 @@ static unsigned long long FIO_compressLzmaFrame(cRess_t* ress, const char* srcFi size_t const inSize = fread(ress->srcBuffer, 1, ress->srcBufferSize, ress->srcFile); if (inSize == 0) action = LZMA_FINISH; inFileSize += inSize; - strm.next_in = ress->srcBuffer; + strm.next_in = (BYTE const*)ress->srcBuffer; strm.avail_in = inSize; } ret = lzma_code(&strm, action); - if (ret != LZMA_OK && ret != LZMA_STREAM_END) EXM_THROW(72, "zstd: %s: lzma_code encoding error %d", srcFileName, ret); + if (ret != LZMA_OK && ret != LZMA_STREAM_END) + EXM_THROW(72, "zstd: %s: lzma_code encoding error %d", srcFileName, ret); { size_t const compBytes = ress->dstBufferSize - strm.avail_out; if (compBytes) { - if (fwrite(ress->dstBuffer, 1, compBytes, ress->dstFile) != compBytes) EXM_THROW(73, "Write error : cannot write to output file"); + if (fwrite(ress->dstBuffer, 1, compBytes, ress->dstFile) != compBytes) + EXM_THROW(73, "Write error : cannot write to output file"); outFileSize += compBytes; - strm.next_out = ress->dstBuffer; + strm.next_out = (BYTE*)ress->dstBuffer; strm.avail_out = ress->dstBufferSize; - } - } - if (!srcFileSize) DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", (U32)(inFileSize>>20), (double)outFileSize/inFileSize*100) - else DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", (U32)(inFileSize>>20), (U32)(srcFileSize>>20), (double)outFileSize/inFileSize*100); + } } + if (!srcFileSize) + DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", + (U32)(inFileSize>>20), + (double)outFileSize/inFileSize*100) + else + DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", + (U32)(inFileSize>>20), (U32)(srcFileSize>>20), + (double)outFileSize/inFileSize*100); if (ret == LZMA_STREAM_END) break; } @@ -523,7 +614,9 @@ static unsigned long long FIO_compressLzmaFrame(cRess_t* ress, const char* srcFi #ifdef ZSTD_LZ4COMPRESS static int FIO_LZ4_GetBlockSize_FromBlockId (int id) { return (1 << (8 + (2 * id))); } -static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFileName, U64 const srcFileSize, int compressionLevel, U64* readsize) +static unsigned long long FIO_compressLz4Frame(cRess_t* ress, + const char* srcFileName, U64 const srcFileSize, + int compressionLevel, U64* readsize) { unsigned long long inFileSize = 0, outFileSize = 0; @@ -531,7 +624,8 @@ static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFil LZ4F_compressionContext_t ctx; LZ4F_errorCode_t const errorCode = LZ4F_createCompressionContext(&ctx, LZ4F_VERSION); - if (LZ4F_isError(errorCode)) EXM_THROW(31, "zstd: failed to create lz4 compression context"); + if (LZ4F_isError(errorCode)) + EXM_THROW(31, "zstd: failed to create lz4 compression context"); memset(&prefs, 0, sizeof(prefs)); @@ -553,7 +647,9 @@ static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFil size_t blockSize = FIO_LZ4_GetBlockSize_FromBlockId(LZ4F_max4MB); size_t readSize; size_t headerSize = LZ4F_compressBegin(ctx, ress->dstBuffer, ress->dstBufferSize, &prefs); - if (LZ4F_isError(headerSize)) EXM_THROW(33, "File header generation failed : %s", LZ4F_getErrorName(headerSize)); + if (LZ4F_isError(headerSize)) + EXM_THROW(33, "File header generation failed : %s", + LZ4F_getErrorName(headerSize)); { size_t const sizeCheck = fwrite(ress->dstBuffer, 1, headerSize, ress->dstFile); if (sizeCheck!=headerSize) EXM_THROW(34, "Write error : cannot write header"); } outFileSize += headerSize; @@ -568,10 +664,18 @@ static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFil /* Compress Block */ outSize = LZ4F_compressUpdate(ctx, ress->dstBuffer, ress->dstBufferSize, ress->srcBuffer, readSize, NULL); - if (LZ4F_isError(outSize)) EXM_THROW(35, "zstd: %s: lz4 compression failed : %s", srcFileName, LZ4F_getErrorName(outSize)); + if (LZ4F_isError(outSize)) + EXM_THROW(35, "zstd: %s: lz4 compression failed : %s", + srcFileName, LZ4F_getErrorName(outSize)); outFileSize += outSize; - if (!srcFileSize) DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", (U32)(inFileSize>>20), (double)outFileSize/inFileSize*100) - else DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", (U32)(inFileSize>>20), (U32)(srcFileSize>>20), (double)outFileSize/inFileSize*100); + if (!srcFileSize) + DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", + (U32)(inFileSize>>20), + (double)outFileSize/inFileSize*100) + else + DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", + (U32)(inFileSize>>20), (U32)(srcFileSize>>20), + (double)outFileSize/inFileSize*100); /* Write Block */ { size_t const sizeCheck = fwrite(ress->dstBuffer, 1, outSize, ress->dstFile); @@ -585,7 +689,9 @@ static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFil /* End of Stream mark */ headerSize = LZ4F_compressEnd(ctx, ress->dstBuffer, ress->dstBufferSize, NULL); - if (LZ4F_isError(headerSize)) EXM_THROW(38, "zstd: %s: lz4 end of file generation failed : %s", srcFileName, LZ4F_getErrorName(headerSize)); + if (LZ4F_isError(headerSize)) + EXM_THROW(38, "zstd: %s: lz4 end of file generation failed : %s", + srcFileName, LZ4F_getErrorName(headerSize)); { size_t const sizeCheck = fwrite(ress->dstBuffer, 1, headerSize, ress->dstFile); if (sizeCheck!=headerSize) EXM_THROW(39, "Write error : cannot write end of stream"); } @@ -623,7 +729,8 @@ static int FIO_compressFilename_internal(cRess_t ress, compressedfilesize = FIO_compressGzFrame(&ress, srcFileName, fileSize, compressionLevel, &readsize); #else (void)compressionLevel; - EXM_THROW(20, "zstd: %s: file cannot be compressed as gzip (zstd compiled without ZSTD_GZCOMPRESS) -- ignored \n", srcFileName); + EXM_THROW(20, "zstd: %s: file cannot be compressed as gzip (zstd compiled without ZSTD_GZCOMPRESS) -- ignored \n", + srcFileName); #endif goto finish; @@ -633,7 +740,8 @@ static int FIO_compressFilename_internal(cRess_t ress, compressedfilesize = FIO_compressLzmaFrame(&ress, srcFileName, fileSize, compressionLevel, &readsize, g_compressionType==FIO_lzmaCompression); #else (void)compressionLevel; - EXM_THROW(20, "zstd: %s: file cannot be compressed as xz/lzma (zstd compiled without ZSTD_LZMACOMPRESS) -- ignored \n", srcFileName); + EXM_THROW(20, "zstd: %s: file cannot be compressed as xz/lzma (zstd compiled without ZSTD_LZMACOMPRESS) -- ignored \n", + srcFileName); #endif goto finish; @@ -642,49 +750,62 @@ static int FIO_compressFilename_internal(cRess_t ress, compressedfilesize = FIO_compressLz4Frame(&ress, srcFileName, fileSize, compressionLevel, &readsize); #else (void)compressionLevel; - EXM_THROW(20, "zstd: %s: file cannot be compressed as lz4 (zstd compiled without ZSTD_LZ4COMPRESS) -- ignored \n", srcFileName); + EXM_THROW(20, "zstd: %s: file cannot be compressed as lz4 (zstd compiled without ZSTD_LZ4COMPRESS) -- ignored \n", + srcFileName); #endif goto finish; } /* init */ -#ifdef ZSTD_MULTITHREAD - { size_t const resetError = ZSTDMT_resetCStream(ress.cctx, fileSize); +#ifdef ZSTD_NEWAPI + /* nothing, reset is implied */ +#elif defined(ZSTD_MULTITHREAD) + CHECK( ZSTDMT_resetCStream(ress.cctx, fileSize) ); #else - { size_t const resetError = ZSTD_resetCStream(ress.cctx, fileSize); + CHECK( ZSTD_resetCStream(ress.cctx, fileSize) ); #endif - if (ZSTD_isError(resetError)) EXM_THROW(21, "Error initializing compression : %s", ZSTD_getErrorName(resetError)); - } /* Main compression loop */ while (1) { /* Fill input Buffer */ size_t const inSize = fread(ress.srcBuffer, (size_t)1, ress.srcBufferSize, srcFile); + ZSTD_inBuffer inBuff = { ress.srcBuffer, inSize, 0 }; if (inSize==0) break; readsize += inSize; - { ZSTD_inBuffer inBuff = { ress.srcBuffer, inSize, 0 }; - while (inBuff.pos != inBuff.size) { - ZSTD_outBuffer outBuff = { ress.dstBuffer, ress.dstBufferSize, 0 }; -#ifdef ZSTD_MULTITHREAD - size_t const result = ZSTDMT_compressStream(ress.cctx, &outBuff, &inBuff); + while (inBuff.pos != inBuff.size) { + ZSTD_outBuffer outBuff = { ress.dstBuffer, ress.dstBufferSize, 0 }; +#ifdef ZSTD_NEWAPI + CHECK( ZSTD_compress_generic(ress.cctx, + &outBuff, &inBuff, ZSTD_e_continue) ); +#elif defined(ZSTD_MULTITHREAD) + CHECK( ZSTDMT_compressStream(ress.cctx, &outBuff, &inBuff) ); #else - size_t const result = ZSTD_compressStream(ress.cctx, &outBuff, &inBuff); + CHECK( ZSTD_compressStream(ress.cctx, &outBuff, &inBuff) ); #endif - if (ZSTD_isError(result)) EXM_THROW(23, "Compression error : %s ", ZSTD_getErrorName(result)); - - /* Write compressed stream */ - if (outBuff.pos) { - size_t const sizeCheck = fwrite(ress.dstBuffer, 1, outBuff.pos, dstFile); - if (sizeCheck!=outBuff.pos) EXM_THROW(25, "Write error : cannot write compressed block into %s", dstFileName); - compressedfilesize += outBuff.pos; - } } } + + /* Write compressed stream */ + if (outBuff.pos) { + size_t const sizeCheck = fwrite(ress.dstBuffer, 1, outBuff.pos, dstFile); + if (sizeCheck!=outBuff.pos) + EXM_THROW(25, "Write error : cannot write compressed block into %s", dstFileName); + compressedfilesize += outBuff.pos; + } } if (g_nbThreads > 1) { - if (!fileSize) DISPLAYUPDATE(2, "\rRead : %u MB", (U32)(readsize>>20)) - else DISPLAYUPDATE(2, "\rRead : %u / %u MB", (U32)(readsize>>20), (U32)(fileSize>>20)); + if (!fileSize) + DISPLAYUPDATE(2, "\rRead : %u MB", (U32)(readsize>>20)) + else + DISPLAYUPDATE(2, "\rRead : %u / %u MB", + (U32)(readsize>>20), (U32)(fileSize>>20)); } else { - if (!fileSize) DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", (U32)(readsize>>20), (double)compressedfilesize/readsize*100) - else DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", (U32)(readsize>>20), (U32)(fileSize>>20), (double)compressedfilesize/readsize*100); + if (!fileSize) + DISPLAYUPDATE(2, "\rRead : %u MB ==> %.2f%%", + (U32)(readsize>>20), + (double)compressedfilesize/readsize*100) + else + DISPLAYUPDATE(2, "\rRead : %u / %u MB ==> %.2f%%", + (U32)(readsize>>20), (U32)(fileSize>>20), + (double)compressedfilesize/readsize*100); } } @@ -692,12 +813,18 @@ static int FIO_compressFilename_internal(cRess_t ress, { size_t result = 1; while (result!=0) { /* note : is there any possibility of endless loop ? */ ZSTD_outBuffer outBuff = { ress.dstBuffer, ress.dstBufferSize, 0 }; -#ifdef ZSTD_MULTITHREAD +#ifdef ZSTD_NEWAPI + ZSTD_inBuffer inBuff = { NULL, 0, 0}; + result = ZSTD_compress_generic(ress.cctx, + &outBuff, &inBuff, ZSTD_e_end); +#elif defined(ZSTD_MULTITHREAD) result = ZSTDMT_endStream(ress.cctx, &outBuff); #else result = ZSTD_endStream(ress.cctx, &outBuff); #endif - if (ZSTD_isError(result)) EXM_THROW(26, "Compression error during frame end : %s", ZSTD_getErrorName(result)); + if (ZSTD_isError(result)) + EXM_THROW(26, "Compression error during frame end : %s", + ZSTD_getErrorName(result)); { size_t const sizeCheck = fwrite(ress.dstBuffer, 1, outBuff.pos, dstFile); if (sizeCheck!=outBuff.pos) EXM_THROW(27, "Write error : cannot write frame end into %s", dstFileName); } compressedfilesize += outBuff.pos; @@ -722,7 +849,8 @@ finish: * 1 : missing or pb opening srcFileName */ static int FIO_compressFilename_srcFile(cRess_t ress, - const char* dstFileName, const char* srcFileName, int compressionLevel) + const char* dstFileName, const char* srcFileName, + int compressionLevel) { int result; @@ -751,7 +879,9 @@ static int FIO_compressFilename_srcFile(cRess_t ress, * 1 : pb */ static int FIO_compressFilename_dstFile(cRess_t ress, - const char* dstFileName, const char* srcFileName, int compressionLevel) + const char* dstFileName, + const char* srcFileName, + int compressionLevel) { int result; stat_t statbuf; @@ -760,12 +890,20 @@ static int FIO_compressFilename_dstFile(cRess_t ress, ress.dstFile = FIO_openDstFile(dstFileName); if (ress.dstFile==NULL) return 1; /* could not open dstFileName */ - if (strcmp (srcFileName, stdinmark) && UTIL_getFileStat(srcFileName, &statbuf)) stat_result = 1; + if (strcmp (srcFileName, stdinmark) && UTIL_getFileStat(srcFileName, &statbuf)) + stat_result = 1; result = FIO_compressFilename_srcFile(ress, dstFileName, srcFileName, compressionLevel); - if (fclose(ress.dstFile)) { DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); result=1; } /* error closing dstFile */ - if (result!=0) { if (remove(dstFileName)) EXM_THROW(1, "zstd: %s: %s", dstFileName, strerror(errno)); } /* remove operation artefact */ - else if (strcmp (dstFileName, stdoutmark) && stat_result) UTIL_setFileStat(dstFileName, &statbuf); + if (fclose(ress.dstFile)) { /* error closing dstFile */ + DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); + result=1; + } + if (result!=0) { /* remove operation artefact */ + if (remove(dstFileName)) + EXM_THROW(1, "zstd: %s: %s", dstFileName, strerror(errno)); + } + else if (strcmp (dstFileName, stdoutmark) && stat_result) + UTIL_setFileStat(dstFileName, &statbuf); return result; } @@ -775,9 +913,9 @@ int FIO_compressFilename(const char* dstFileName, const char* srcFileName, { clock_t const start = clock(); U64 const srcSize = UTIL_getFileSize(srcFileName); - int const regFile = UTIL_isRegFile(srcFileName); + int const isRegularFile = UTIL_isRegularFile(srcFileName); - cRess_t const ress = FIO_createCResources(dictFileName, compressionLevel, srcSize, regFile, comprParams); + cRess_t const ress = FIO_createCResources(dictFileName, compressionLevel, srcSize, isRegularFile, comprParams); int const result = FIO_compressFilename_dstFile(ress, dstFileName, srcFileName, compressionLevel); double const seconds = (double)(clock() - start) / CLOCKS_PER_SEC; @@ -787,6 +925,230 @@ int FIO_compressFilename(const char* dstFileName, const char* srcFileName, return result; } +typedef struct { + int numActualFrames; + int numSkippableFrames; + unsigned long long decompressedSize; + int decompUnavailable; + unsigned long long compressedSize; + int usesCheck; +} fileInfo_t; + +/* + * Reads information from file, stores in *info + * if successful, returns 0, returns 1 for frame analysis error, returns 2 for file not compressed with zstd + * returns 3 for cases in which file could not be opened. + */ +static int getFileInfo(fileInfo_t* info, const char* inFileName){ + int detectError = 0; + FILE* const srcFile = FIO_openSrcFile(inFileName); + if (srcFile == NULL) { + DISPLAY("Error: could not open source file %s\n", inFileName); + return 3; + } + info->compressedSize = (unsigned long long)UTIL_getFileSize(inFileName); + /* begin analyzing frame */ + for ( ; ; ) { + BYTE headerBuffer[ZSTD_FRAMEHEADERSIZE_MAX]; + size_t const numBytesRead = fread(headerBuffer, 1, sizeof(headerBuffer), srcFile); + if (numBytesRead < ZSTD_frameHeaderSize_min) { + if (feof(srcFile) && numBytesRead == 0 && info->compressedSize > 0) { + break; + } + else if (feof(srcFile)) { + DISPLAY("Error: reached end of file with incomplete frame\n"); + detectError = 2; + break; + } + else { + DISPLAY("Error: did not reach end of file but ran out of frames\n"); + detectError = 1; + break; + } + } + { + U32 const magicNumber = MEM_readLE32(headerBuffer); + if (magicNumber == ZSTD_MAGICNUMBER) { + U64 const frameContentSize = ZSTD_getFrameContentSize(headerBuffer, numBytesRead); + if (frameContentSize == ZSTD_CONTENTSIZE_ERROR || frameContentSize == ZSTD_CONTENTSIZE_UNKNOWN) { + info->decompUnavailable = 1; + } + else { + info->decompressedSize += frameContentSize; + } + { + /* move to the end of the frame header */ + size_t const headerSize = ZSTD_frameHeaderSize(headerBuffer, numBytesRead); + if (ZSTD_isError(headerSize)) { + DISPLAY("Error: could not determine frame header size\n"); + detectError = 1; + break; + } + { + int const ret = fseek(srcFile, ((long)headerSize)-((long)numBytesRead), SEEK_CUR); + if (ret != 0) { + DISPLAY("Error: could not move to end of frame header\n"); + detectError = 1; + break; + } + } + } + + /* skip the rest of the blocks in the frame */ + { + int lastBlock = 0; + do { + BYTE blockHeaderBuffer[3]; + U32 blockHeader; + int blockSize; + size_t const readBytes = fread(blockHeaderBuffer, 1, 3, srcFile); + if (readBytes != 3) { + DISPLAY("There was a problem reading the block header\n"); + detectError = 1; + break; + } + blockHeader = MEM_readLE24(blockHeaderBuffer); + lastBlock = blockHeader & 1; + blockSize = blockHeader >> 3; + { + int const ret = fseek(srcFile, blockSize, SEEK_CUR); + if (ret != 0) { + DISPLAY("Error: could not skip to end of block\n"); + detectError = 1; + break; + } + } + } while (lastBlock != 1); + + if (detectError) { + break; + } + } + { + /* check if checksum is used */ + BYTE const frameHeaderDescriptor = headerBuffer[4]; + int const contentChecksumFlag = (frameHeaderDescriptor & (1 << 2)) >> 2; + if (contentChecksumFlag) { + int const ret = fseek(srcFile, 4, SEEK_CUR); + info->usesCheck = 1; + if (ret != 0) { + DISPLAY("Error: could not skip past checksum\n"); + detectError = 1; + break; + } + } + } + info->numActualFrames++; + } + else if (magicNumber == ZSTD_MAGIC_SKIPPABLE_START) { + BYTE frameSizeBuffer[4]; + size_t const readBytes = fread(frameSizeBuffer, 1, 4, srcFile); + if (readBytes != 4) { + DISPLAY("There was an error reading skippable frame size"); + detectError = 1; + break; + } + { + U32 const frameSize = MEM_readLE32(frameSizeBuffer); + int const ret = LONG_SEEK(srcFile, frameSize, SEEK_CUR); + if (ret != 0) { + DISPLAY("Error: could not find end of skippable frame\n"); + detectError = 1; + break; + } + } + info->numSkippableFrames++; + } + else { + detectError = 2; + break; + } + } + } + fclose(srcFile); + return detectError; +} + +static void displayInfo(const char* inFileName, fileInfo_t* info, int displayLevel){ + double const compressedSizeMB = (double)info->compressedSize/(1 MB); + double const decompressedSizeMB = (double)info->decompressedSize/(1 MB); + double const ratio = (info->compressedSize == 0) ? 0 : ((double)info->decompressedSize)/info->compressedSize; + const char* const checkString = (info->usesCheck ? "XXH64" : "None"); + if (displayLevel <= 2) { + if (!info->decompUnavailable) { + DISPLAYOUT("Skippable Non-Skippable Compressed Uncompressed Ratio Check Filename\n"); + DISPLAYOUT("%9d %13d %7.2f MB %9.2f MB %5.3f %5s %s\n", + info->numSkippableFrames, info->numActualFrames, compressedSizeMB, decompressedSizeMB, + ratio, checkString, inFileName); + } + else { + DISPLAYOUT("Skippable Non-Skippable Compressed Check Filename\n"); + DISPLAYOUT("%9d %13d %7.2f MB %5s %s\n", + info->numSkippableFrames, info->numActualFrames, compressedSizeMB, checkString, inFileName); + } + } + else{ + DISPLAYOUT("# Zstandard Frames: %d\n", info->numActualFrames); + DISPLAYOUT("# Skippable Frames: %d\n", info->numSkippableFrames); + DISPLAYOUT("Compressed Size: %.2f MB (%llu B)\n", compressedSizeMB, info->compressedSize); + if (!info->decompUnavailable) { + DISPLAYOUT("Decompressed Size: %.2f MB (%llu B)\n", decompressedSizeMB, info->decompressedSize); + DISPLAYOUT("Ratio: %.4f\n", ratio); + } + DISPLAYOUT("Check: %s\n", checkString); + DISPLAYOUT("\n"); + } +} + + +static int FIO_listFile(const char* inFileName, int displayLevel, unsigned fileNo, unsigned numFiles){ + /* initialize info to avoid warnings */ + fileInfo_t info; + memset(&info, 0, sizeof(info)); + DISPLAYOUT("%s (%u/%u):\n", inFileName, fileNo, numFiles); + { + int const error = getFileInfo(&info, inFileName); + if (error == 1) { + /* display error, but provide output */ + DISPLAY("An error occurred with getting file info\n"); + } + else if (error == 2) { + DISPLAYOUT("File %s not compressed with zstd\n", inFileName); + if (displayLevel > 2) { + DISPLAYOUT("\n"); + } + return 1; + } + else if (error == 3) { + /* error occurred with opening the file */ + if (displayLevel > 2) { + DISPLAYOUT("\n"); + } + return 1; + } + displayInfo(inFileName, &info, displayLevel); + return error; + } +} + +int FIO_listMultipleFiles(unsigned numFiles, const char** filenameTable, int displayLevel){ + if (numFiles == 0) { + DISPLAYOUT("No files given\n"); + return 0; + } + DISPLAYOUT("===========================================\n"); + DISPLAYOUT("Printing information about compressed files\n"); + DISPLAYOUT("===========================================\n"); + DISPLAYOUT("Number of files listed: %u\n", numFiles); + { + int error = 0; + unsigned u; + for (u=0; u<numFiles;u++) { + error |= FIO_listFile(filenameTable[u], displayLevel, u+1, numFiles); + } + return error; + } +} int FIO_compressMultipleFilenames(const char** inFileNamesTable, unsigned nbFiles, const char* suffix, @@ -798,12 +1160,14 @@ int FIO_compressMultipleFilenames(const char** inFileNamesTable, unsigned nbFile char* dstFileName = (char*)malloc(FNSPACE); size_t const suffixSize = suffix ? strlen(suffix) : 0; U64 const srcSize = (nbFiles != 1) ? 0 : UTIL_getFileSize(inFileNamesTable[0]) ; - int const regFile = (nbFiles != 1) ? 0 : UTIL_isRegFile(inFileNamesTable[0]); - cRess_t ress = FIO_createCResources(dictFileName, compressionLevel, srcSize, regFile, comprParams); + int const isRegularFile = (nbFiles != 1) ? 0 : UTIL_isRegularFile(inFileNamesTable[0]); + cRess_t ress = FIO_createCResources(dictFileName, compressionLevel, srcSize, isRegularFile, comprParams); /* init */ - if (dstFileName==NULL) EXM_THROW(27, "FIO_compressMultipleFilenames : allocation error for dstFileName"); - if (suffix == NULL) EXM_THROW(28, "FIO_compressMultipleFilenames : dst unknown"); /* should never happen */ + if (dstFileName==NULL) + EXM_THROW(27, "FIO_compressMultipleFilenames : allocation error for dstFileName"); + if (suffix == NULL) + EXM_THROW(28, "FIO_compressMultipleFilenames : dst unknown"); /* should never happen */ /* loop on each file */ if (!strcmp(suffix, stdoutmark)) { @@ -812,12 +1176,19 @@ int FIO_compressMultipleFilenames(const char** inFileNamesTable, unsigned nbFile SET_BINARY_MODE(stdout); for (u=0; u<nbFiles; u++) missed_files += FIO_compressFilename_srcFile(ress, stdoutmark, inFileNamesTable[u], compressionLevel); - if (fclose(ress.dstFile)) EXM_THROW(29, "Write error : cannot properly close stdout"); + if (fclose(ress.dstFile)) + EXM_THROW(29, "Write error : cannot properly close stdout"); } else { unsigned u; for (u=0; u<nbFiles; u++) { - size_t ifnSize = strlen(inFileNamesTable[u]); - if (dfnSize <= ifnSize+suffixSize+1) { free(dstFileName); dfnSize = ifnSize + 20; dstFileName = (char*)malloc(dfnSize); } + size_t const ifnSize = strlen(inFileNamesTable[u]); + if (dfnSize <= ifnSize+suffixSize+1) { /* resize name buffer */ + free(dstFileName); + dfnSize = ifnSize + 20; + dstFileName = (char*)malloc(dfnSize); + if (!dstFileName) + EXM_THROW(30, "zstd: %s", strerror(errno)); + } strcpy(dstFileName, inFileNamesTable[u]); strcat(dstFileName, suffix); missed_files += FIO_compressFilename_dstFile(ress, dstFileName, inFileNamesTable[u], compressionLevel); @@ -862,13 +1233,13 @@ static dRess_t FIO_createDResources(const char* dictFileName) ress.srcBuffer = malloc(ress.srcBufferSize); ress.dstBufferSize = ZSTD_DStreamOutSize(); ress.dstBuffer = malloc(ress.dstBufferSize); - if (!ress.srcBuffer || !ress.dstBuffer) EXM_THROW(61, "Allocation error : not enough memory"); + if (!ress.srcBuffer || !ress.dstBuffer) + EXM_THROW(61, "Allocation error : not enough memory"); /* dictionary */ { void* dictBuffer; size_t const dictBufferSize = FIO_createDictBuffer(&dictBuffer, dictFileName); - size_t const initError = ZSTD_initDStream_usingDict(ress.dctx, dictBuffer, dictBufferSize); - if (ZSTD_isError(initError)) EXM_THROW(61, "ZSTD_initDStream_usingDict error : %s", ZSTD_getErrorName(initError)); + CHECK( ZSTD_initDStream_usingDict(ress.dctx, dictBuffer, dictBufferSize) ); free(dictBuffer); } @@ -877,8 +1248,7 @@ static dRess_t FIO_createDResources(const char* dictFileName) static void FIO_freeDResources(dRess_t ress) { - size_t const errorCode = ZSTD_freeDStream(ress.dctx); - if (ZSTD_isError(errorCode)) EXM_THROW(69, "Error : can't free ZSTD_DStream context resource : %s", ZSTD_getErrorName(errorCode)); + CHECK( ZSTD_freeDStream(ress.dctx) ); free(ress.srcBuffer); free(ress.dstBuffer); } @@ -924,13 +1294,15 @@ static unsigned FIO_fwriteSparse(FILE* file, const void* buffer, size_t bufferSi seg0SizeT -= nb0T; ptrT += nb0T; { size_t const sizeCheck = fwrite(ptrT, sizeof(size_t), seg0SizeT, file); - if (sizeCheck != seg0SizeT) EXM_THROW(73, "Write error : cannot write decoded block"); + if (sizeCheck != seg0SizeT) + EXM_THROW(73, "Write error : cannot write decoded block"); } } ptrT += seg0SizeT; } { static size_t const maskT = sizeof(size_t)-1; - if (bufferSize & maskT) { /* size not multiple of sizeof(size_t) : implies end of block */ + if (bufferSize & maskT) { + /* size not multiple of sizeof(size_t) : implies end of block */ const char* const restStart = (const char*)bufferTEnd; const char* restPtr = restStart; size_t restSize = bufferSize & maskT; @@ -939,10 +1311,12 @@ static unsigned FIO_fwriteSparse(FILE* file, const void* buffer, size_t bufferSi storedSkips += (unsigned) (restPtr - restStart); if (restPtr != restEnd) { int seekResult = LONG_SEEK(file, storedSkips, SEEK_CUR); - if (seekResult) EXM_THROW(74, "Sparse skip error ; try --no-sparse"); + if (seekResult) + EXM_THROW(74, "Sparse skip error ; try --no-sparse"); storedSkips = 0; { size_t const sizeCheck = fwrite(restPtr, 1, restEnd - restPtr, file); - if (sizeCheck != (size_t)(restEnd - restPtr)) EXM_THROW(75, "Write error : cannot write decoded end of block"); + if (sizeCheck != (size_t)(restEnd - restPtr)) + EXM_THROW(75, "Write error : cannot write decoded end of block"); } } } } return storedSkips; @@ -955,7 +1329,8 @@ static void FIO_fwriteSparseEnd(FILE* file, unsigned storedSkips) if (seekResult != 0) EXM_THROW(69, "Final skip error (sparse file)"); { const char lastZeroByte[1] = { 0 }; size_t const sizeCheck = fwrite(lastZeroByte, 1, 1, file); - if (sizeCheck != 1) EXM_THROW(69, "Write error : cannot write last zero"); + if (sizeCheck != 1) + EXM_THROW(69, "Write error : cannot write last zero"); } } } @@ -969,8 +1344,11 @@ static unsigned FIO_passThrough(FILE* foutput, FILE* finput, void* buffer, size_ unsigned storedSkips = 0; /* assumption : ress->srcBufferLoaded bytes already loaded and stored within buffer */ - { size_t const sizeCheck = fwrite(buffer, 1, alreadyLoaded, foutput); - if (sizeCheck != alreadyLoaded) EXM_THROW(50, "Pass-through write error"); } + { size_t const sizeCheck = fwrite(buffer, 1, alreadyLoaded, foutput); + if (sizeCheck != alreadyLoaded) { + DISPLAYLEVEL(1, "Pass-through write error \n"); + return 1; + } } while (readFromInput) { readFromInput = fread(buffer, 1, blockSize, finput); @@ -983,16 +1361,19 @@ static unsigned FIO_passThrough(FILE* foutput, FILE* finput, void* buffer, size_ /** FIO_decompressFrame() : - @return : size of decoded frame + * @return : size of decoded zstd frame, or an error code */ -unsigned long long FIO_decompressFrame(dRess_t* ress, +#define FIO_ERROR_FRAME_DECODING ((unsigned long long)(-2)) +unsigned long long FIO_decompressZstdFrame(dRess_t* ress, FILE* finput, + const char* srcFileName, U64 alreadyDecoded) { U64 frameSize = 0; U32 storedSkips = 0; ZSTD_resetDStream(ress->dctx); + if (strlen(srcFileName)>20) srcFileName += strlen(srcFileName)-20; /* display last 20 characters */ /* Header loading (optional, saves one loop) */ { size_t const toRead = 9; @@ -1005,12 +1386,17 @@ unsigned long long FIO_decompressFrame(dRess_t* ress, ZSTD_inBuffer inBuff = { ress->srcBuffer, ress->srcBufferLoaded, 0 }; ZSTD_outBuffer outBuff= { ress->dstBuffer, ress->dstBufferSize, 0 }; size_t const readSizeHint = ZSTD_decompressStream(ress->dctx, &outBuff, &inBuff); - if (ZSTD_isError(readSizeHint)) EXM_THROW(36, "Decoding error : %s", ZSTD_getErrorName(readSizeHint)); + if (ZSTD_isError(readSizeHint)) { + DISPLAYLEVEL(1, "%s : Decoding error (36) : %s \n", + srcFileName, ZSTD_getErrorName(readSizeHint)); + return FIO_ERROR_FRAME_DECODING; + } /* Write block */ storedSkips = FIO_fwriteSparse(ress->dstFile, ress->dstBuffer, outBuff.pos, storedSkips); frameSize += outBuff.pos; - DISPLAYUPDATE(2, "\rDecoded : %u MB... ", (U32)((alreadyDecoded+frameSize)>>20) ); + DISPLAYUPDATE(2, "\r%-20.20s : %u MB... ", + srcFileName, (U32)((alreadyDecoded+frameSize)>>20) ); if (inBuff.pos > 0) { memmove(ress->srcBuffer, (char*)ress->srcBuffer + inBuff.pos, inBuff.size - inBuff.pos); @@ -1018,14 +1404,22 @@ unsigned long long FIO_decompressFrame(dRess_t* ress, } if (readSizeHint == 0) break; /* end of frame */ - if (inBuff.size != inBuff.pos) EXM_THROW(37, "Decoding error : should consume entire input"); + if (inBuff.size != inBuff.pos) { + DISPLAYLEVEL(1, "%s : Decoding error (37) : should consume entire input \n", + srcFileName); + return FIO_ERROR_FRAME_DECODING; + } /* Fill input buffer */ { size_t const toRead = MIN(readSizeHint, ress->srcBufferSize); /* support large skippable frames */ if (ress->srcBufferLoaded < toRead) - ress->srcBufferLoaded += fread(((char*)ress->srcBuffer) + ress->srcBufferLoaded, 1, toRead - ress->srcBufferLoaded, finput); - if (ress->srcBufferLoaded < toRead) EXM_THROW(39, "Read error : premature end"); - } } + ress->srcBufferLoaded += fread((char*)ress->srcBuffer + ress->srcBufferLoaded, + 1, toRead - ress->srcBufferLoaded, finput); + if (ress->srcBufferLoaded < toRead) { + DISPLAYLEVEL(1, "%s : Read error (39) : premature end \n", + srcFileName); + return FIO_ERROR_FRAME_DECODING; + } } } FIO_fwriteSparseEnd(ress->dstFile, storedSkips); @@ -1034,19 +1428,22 @@ unsigned long long FIO_decompressFrame(dRess_t* ress, #ifdef ZSTD_GZDECOMPRESS -static unsigned long long FIO_decompressGzFrame(dRess_t* ress, FILE* srcFile, const char* srcFileName) +static unsigned long long FIO_decompressGzFrame(dRess_t* ress, + FILE* srcFile, const char* srcFileName) { unsigned long long outFileSize = 0; z_stream strm; int flush = Z_NO_FLUSH; - int ret; + int decodingError = 0; strm.zalloc = Z_NULL; strm.zfree = Z_NULL; strm.opaque = Z_NULL; strm.next_in = 0; strm.avail_in = 0; - if (inflateInit2(&strm, 15 /* maxWindowLogSize */ + 16 /* gzip only */) != Z_OK) return 0; /* see http://www.zlib.net/manual.html */ + /* see http://www.zlib.net/manual.html */ + if (inflateInit2(&strm, 15 /* maxWindowLogSize */ + 16 /* gzip only */) != Z_OK) + return FIO_ERROR_FRAME_DECODING; strm.next_out = (Bytef*)ress->dstBuffer; strm.avail_out = (uInt)ress->dstBufferSize; @@ -1054,6 +1451,7 @@ static unsigned long long FIO_decompressGzFrame(dRess_t* ress, FILE* srcFile, co strm.next_in = (z_const unsigned char*)ress->srcBuffer; for ( ; ; ) { + int ret; if (strm.avail_in == 0) { ress->srcBufferLoaded = fread(ress->srcBuffer, 1, ress->srcBufferSize, srcFile); if (ress->srcBufferLoaded == 0) flush = Z_FINISH; @@ -1061,11 +1459,20 @@ static unsigned long long FIO_decompressGzFrame(dRess_t* ress, FILE* srcFile, co strm.avail_in = (uInt)ress->srcBufferLoaded; } ret = inflate(&strm, flush); - if (ret == Z_BUF_ERROR) EXM_THROW(39, "zstd: %s: premature end", srcFileName); - if (ret != Z_OK && ret != Z_STREAM_END) { DISPLAY("zstd: %s: inflate error %d \n", srcFileName, ret); return 0; } + if (ret == Z_BUF_ERROR) { + DISPLAYLEVEL(1, "zstd: %s: premature gz end \n", srcFileName); + decodingError = 1; break; + } + if (ret != Z_OK && ret != Z_STREAM_END) { + DISPLAYLEVEL(1, "zstd: %s: inflate error %d \n", srcFileName, ret); + decodingError = 1; break; + } { size_t const decompBytes = ress->dstBufferSize - strm.avail_out; if (decompBytes) { - if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) EXM_THROW(31, "Write error : cannot write to output file"); + if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) { + DISPLAYLEVEL(1, "zstd: %s \n", strerror(errno)); + decodingError = 1; break; + } outFileSize += decompBytes; strm.next_out = (Bytef*)ress->dstBuffer; strm.avail_out = (uInt)ress->dstBufferSize; @@ -1074,11 +1481,15 @@ static unsigned long long FIO_decompressGzFrame(dRess_t* ress, FILE* srcFile, co if (ret == Z_STREAM_END) break; } - if (strm.avail_in > 0) memmove(ress->srcBuffer, strm.next_in, strm.avail_in); + if (strm.avail_in > 0) + memmove(ress->srcBuffer, strm.next_in, strm.avail_in); ress->srcBufferLoaded = strm.avail_in; - ret = inflateEnd(&strm); - if (ret != Z_OK) EXM_THROW(32, "zstd: %s: inflateEnd error %d", srcFileName, ret); - return outFileSize; + if ( (inflateEnd(&strm) != Z_OK) /* release resources ; error detected */ + && (decodingError==0) ) { + DISPLAYLEVEL(1, "zstd: %s: inflateEnd error \n", srcFileName); + decodingError = 1; + } + return decodingError ? FIO_ERROR_FRAME_DECODING : outFileSize; } #endif @@ -1089,69 +1500,95 @@ static unsigned long long FIO_decompressLzmaFrame(dRess_t* ress, FILE* srcFile, unsigned long long outFileSize = 0; lzma_stream strm = LZMA_STREAM_INIT; lzma_action action = LZMA_RUN; - lzma_ret ret; + lzma_ret initRet; + int decodingError = 0; strm.next_in = 0; strm.avail_in = 0; if (plain_lzma) { - ret = lzma_alone_decoder(&strm, UINT64_MAX); /* LZMA */ + initRet = lzma_alone_decoder(&strm, UINT64_MAX); /* LZMA */ } else { - ret = lzma_stream_decoder(&strm, UINT64_MAX, 0); /* XZ */ + initRet = lzma_stream_decoder(&strm, UINT64_MAX, 0); /* XZ */ } - if (ret != LZMA_OK) EXM_THROW(71, "zstd: %s: lzma_alone_decoder/lzma_stream_decoder error %d", srcFileName, ret); + if (initRet != LZMA_OK) { + DISPLAYLEVEL(1, "zstd: %s: %s error %d \n", + plain_lzma ? "lzma_alone_decoder" : "lzma_stream_decoder", + srcFileName, initRet); + return FIO_ERROR_FRAME_DECODING; + } - strm.next_out = ress->dstBuffer; + strm.next_out = (BYTE*)ress->dstBuffer; strm.avail_out = ress->dstBufferSize; + strm.next_in = (BYTE const*)ress->srcBuffer; strm.avail_in = ress->srcBufferLoaded; - strm.next_in = ress->srcBuffer; for ( ; ; ) { + lzma_ret ret; if (strm.avail_in == 0) { ress->srcBufferLoaded = fread(ress->srcBuffer, 1, ress->srcBufferSize, srcFile); if (ress->srcBufferLoaded == 0) action = LZMA_FINISH; - strm.next_in = ress->srcBuffer; + strm.next_in = (BYTE const*)ress->srcBuffer; strm.avail_in = ress->srcBufferLoaded; } ret = lzma_code(&strm, action); - if (ret == LZMA_BUF_ERROR) EXM_THROW(39, "zstd: %s: premature end", srcFileName); - if (ret != LZMA_OK && ret != LZMA_STREAM_END) { DISPLAY("zstd: %s: lzma_code decoding error %d \n", srcFileName, ret); return 0; } + if (ret == LZMA_BUF_ERROR) { + DISPLAYLEVEL(1, "zstd: %s: premature lzma end \n", srcFileName); + decodingError = 1; break; + } + if (ret != LZMA_OK && ret != LZMA_STREAM_END) { + DISPLAYLEVEL(1, "zstd: %s: lzma_code decoding error %d \n", + srcFileName, ret); + decodingError = 1; break; + } { size_t const decompBytes = ress->dstBufferSize - strm.avail_out; if (decompBytes) { - if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) EXM_THROW(31, "Write error : cannot write to output file"); + if (fwrite(ress->dstBuffer, 1, decompBytes, ress->dstFile) != decompBytes) { + DISPLAYLEVEL(1, "zstd: %s \n", strerror(errno)); + decodingError = 1; break; + } outFileSize += decompBytes; - strm.next_out = ress->dstBuffer; + strm.next_out = (BYTE*)ress->dstBuffer; strm.avail_out = ress->dstBufferSize; - } - } + } } if (ret == LZMA_STREAM_END) break; } - if (strm.avail_in > 0) memmove(ress->srcBuffer, strm.next_in, strm.avail_in); + if (strm.avail_in > 0) + memmove(ress->srcBuffer, strm.next_in, strm.avail_in); ress->srcBufferLoaded = strm.avail_in; lzma_end(&strm); - return outFileSize; + return decodingError ? FIO_ERROR_FRAME_DECODING : outFileSize; } #endif #ifdef ZSTD_LZ4DECOMPRESS -static unsigned long long FIO_decompressLz4Frame(dRess_t* ress, FILE* srcFile, const char* srcFileName) +static unsigned long long FIO_decompressLz4Frame(dRess_t* ress, + FILE* srcFile, const char* srcFileName) { unsigned long long filesize = 0; LZ4F_errorCode_t nextToLoad; LZ4F_decompressionContext_t dCtx; LZ4F_errorCode_t const errorCode = LZ4F_createDecompressionContext(&dCtx, LZ4F_VERSION); + int decodingError = 0; - if (LZ4F_isError(errorCode)) EXM_THROW(61, "zstd: failed to create lz4 decompression context"); + if (LZ4F_isError(errorCode)) { + DISPLAYLEVEL(1, "zstd: failed to create lz4 decompression context \n"); + return FIO_ERROR_FRAME_DECODING; + } /* Init feed with magic number (already consumed from FILE* sFile) */ { size_t inSize = 4; size_t outSize= 0; MEM_writeLE32(ress->srcBuffer, LZ4_MAGICNUMBER); nextToLoad = LZ4F_decompress(dCtx, ress->dstBuffer, &outSize, ress->srcBuffer, &inSize, NULL); - if (LZ4F_isError(nextToLoad)) EXM_THROW(62, "zstd: %s: lz4 header error : %s", srcFileName, LZ4F_getErrorName(nextToLoad)); - } + if (LZ4F_isError(nextToLoad)) { + DISPLAYLEVEL(1, "zstd: %s: lz4 header error : %s \n", + srcFileName, LZ4F_getErrorName(nextToLoad)); + LZ4F_freeDecompressionContext(dCtx); + return FIO_ERROR_FRAME_DECODING; + } } /* Main Loop */ for (;nextToLoad;) { @@ -1169,12 +1606,19 @@ static unsigned long long FIO_decompressLz4Frame(dRess_t* ress, FILE* srcFile, c size_t remaining = readSize - pos; decodedBytes = ress->dstBufferSize; nextToLoad = LZ4F_decompress(dCtx, ress->dstBuffer, &decodedBytes, (char*)(ress->srcBuffer)+pos, &remaining, NULL); - if (LZ4F_isError(nextToLoad)) EXM_THROW(66, "zstd: %s: decompression error : %s", srcFileName, LZ4F_getErrorName(nextToLoad)); + if (LZ4F_isError(nextToLoad)) { + DISPLAYLEVEL(1, "zstd: %s: lz4 decompression error : %s \n", + srcFileName, LZ4F_getErrorName(nextToLoad)); + decodingError = 1; break; + } pos += remaining; /* Write Block */ if (decodedBytes) { - if (fwrite(ress->dstBuffer, 1, decodedBytes, ress->dstFile) != decodedBytes) EXM_THROW(63, "Write error : cannot write to output file"); + if (fwrite(ress->dstBuffer, 1, decodedBytes, ress->dstFile) != decodedBytes) { + DISPLAYLEVEL(1, "zstd: %s \n", strerr(errno)); + decodingError = 1; break; + } filesize += decodedBytes; DISPLAYUPDATE(2, "\rDecompressed : %u MB ", (unsigned)(filesize>>20)); } @@ -1183,105 +1627,143 @@ static unsigned long long FIO_decompressLz4Frame(dRess_t* ress, FILE* srcFile, c } } /* can be out because readSize == 0, which could be an fread() error */ - if (ferror(srcFile)) EXM_THROW(67, "zstd: %s: read error", srcFileName); + if (ferror(srcFile)) { + DISPLAYLEVEL(1, "zstd: %s: read error \n", srcFileName); + decodingError=1; + } - if (nextToLoad!=0) EXM_THROW(68, "zstd: %s: unfinished stream", srcFileName); + if (nextToLoad!=0) { + DISPLAYLEVEL(1, "zstd: %s: unfinished lz4 stream \n", srcFileName); + decodingError=1; + } LZ4F_freeDecompressionContext(dCtx); - ress->srcBufferLoaded = 0; /* LZ4F will go to the frame boundary */ + ress->srcBufferLoaded = 0; /* LZ4F will reach exact frame boundary */ - return filesize; + return decodingError ? FIO_ERROR_FRAME_DECODING : filesize; } #endif -/** FIO_decompressSrcFile() : - Decompression `srcFileName` into `ress.dstFile` - @return : 0 : OK - 1 : operation not started -*/ -static int FIO_decompressSrcFile(dRess_t ress, const char* dstFileName, const char* srcFileName) +/** FIO_decompressFrames() : + * Find and decode frames inside srcFile + * srcFile presumed opened and valid + * @return : 0 : OK + * 1 : error + */ +static int FIO_decompressFrames(dRess_t ress, FILE* srcFile, + const char* dstFileName, const char* srcFileName) { - FILE* srcFile; unsigned readSomething = 0; unsigned long long filesize = 0; - - if (UTIL_isDirectory(srcFileName)) { - DISPLAYLEVEL(1, "zstd: %s is a directory -- ignored \n", srcFileName); - return 1; - } - - srcFile = FIO_openSrcFile(srcFileName); - if (srcFile==NULL) return 1; + assert(srcFile != NULL); /* for each frame */ for ( ; ; ) { /* check magic number -> version */ size_t const toRead = 4; - const BYTE* buf = (const BYTE*)ress.srcBuffer; - if (ress.srcBufferLoaded < toRead) - ress.srcBufferLoaded += fread((char*)ress.srcBuffer + ress.srcBufferLoaded, (size_t)1, toRead - ress.srcBufferLoaded, srcFile); + const BYTE* const buf = (const BYTE*)ress.srcBuffer; + if (ress.srcBufferLoaded < toRead) /* load up to 4 bytes for header */ + ress.srcBufferLoaded += fread((char*)ress.srcBuffer + ress.srcBufferLoaded, + (size_t)1, toRead - ress.srcBufferLoaded, srcFile); if (ress.srcBufferLoaded==0) { - if (readSomething==0) { DISPLAY("zstd: %s: unexpected end of file \n", srcFileName); fclose(srcFile); return 1; } /* srcFileName is empty */ + if (readSomething==0) { /* srcFile is empty (which is invalid) */ + DISPLAYLEVEL(1, "zstd: %s: unexpected end of file \n", srcFileName); + return 1; + } /* else, just reached frame boundary */ break; /* no more input */ } - readSomething = 1; /* there is at least >= 4 bytes in srcFile */ - if (ress.srcBufferLoaded < toRead) { DISPLAY("zstd: %s: unknown header \n", srcFileName); fclose(srcFile); return 1; } /* srcFileName is empty */ - if (buf[0] == 31 && buf[1] == 139) { /* gz magic number */ + readSomething = 1; /* there is at least 1 byte in srcFile */ + if (ress.srcBufferLoaded < toRead) { + DISPLAYLEVEL(1, "zstd: %s: unknown header \n", srcFileName); + return 1; + } + if (ZSTD_isFrame(buf, ress.srcBufferLoaded)) { + unsigned long long const frameSize = FIO_decompressZstdFrame(&ress, srcFile, srcFileName, filesize); + if (frameSize == FIO_ERROR_FRAME_DECODING) return 1; + filesize += frameSize; + } else if (buf[0] == 31 && buf[1] == 139) { /* gz magic number */ #ifdef ZSTD_GZDECOMPRESS - unsigned long long const result = FIO_decompressGzFrame(&ress, srcFile, srcFileName); - if (result == 0) return 1; - filesize += result; + unsigned long long const frameSize = FIO_decompressGzFrame(&ress, srcFile, srcFileName); + if (frameSize == FIO_ERROR_FRAME_DECODING) return 1; + filesize += frameSize; #else - DISPLAYLEVEL(1, "zstd: %s: gzip file cannot be uncompressed (zstd compiled without ZSTD_GZDECOMPRESS) -- ignored \n", srcFileName); + DISPLAYLEVEL(1, "zstd: %s: gzip file cannot be uncompressed (zstd compiled without HAVE_ZLIB) -- ignored \n", srcFileName); return 1; #endif } else if ((buf[0] == 0xFD && buf[1] == 0x37) /* xz magic number */ || (buf[0] == 0x5D && buf[1] == 0x00)) { /* lzma header (no magic number) */ #ifdef ZSTD_LZMADECOMPRESS - unsigned long long const result = FIO_decompressLzmaFrame(&ress, srcFile, srcFileName, buf[0] != 0xFD); - if (result == 0) return 1; - filesize += result; + unsigned long long const frameSize = FIO_decompressLzmaFrame(&ress, srcFile, srcFileName, buf[0] != 0xFD); + if (frameSize == FIO_ERROR_FRAME_DECODING) return 1; + filesize += frameSize; #else - DISPLAYLEVEL(1, "zstd: %s: xz/lzma file cannot be uncompressed (zstd compiled without ZSTD_LZMADECOMPRESS) -- ignored \n", srcFileName); + DISPLAYLEVEL(1, "zstd: %s: xz/lzma file cannot be uncompressed (zstd compiled without HAVE_LZMA) -- ignored \n", srcFileName); return 1; #endif } else if (MEM_readLE32(buf) == LZ4_MAGICNUMBER) { #ifdef ZSTD_LZ4DECOMPRESS - unsigned long long const result = FIO_decompressLz4Frame(&ress, srcFile, srcFileName); - if (result == 0) return 1; - filesize += result; + unsigned long long const frameSize = FIO_decompressLz4Frame(&ress, srcFile, srcFileName); + if (frameSize == FIO_ERROR_FRAME_DECODING) return 1; + filesize += frameSize; #else - DISPLAYLEVEL(1, "zstd: %s: lz4 file cannot be uncompressed (zstd compiled without ZSTD_LZ4DECOMPRESS) -- ignored \n", srcFileName); + DISPLAYLEVEL(1, "zstd: %s: lz4 file cannot be uncompressed (zstd compiled without HAVE_LZ4) -- ignored \n", srcFileName); return 1; #endif + } else if ((g_overwrite) && !strcmp (dstFileName, stdoutmark)) { /* pass-through mode */ + return FIO_passThrough(ress.dstFile, srcFile, + ress.srcBuffer, ress.srcBufferSize, ress.srcBufferLoaded); } else { - if (!ZSTD_isFrame(ress.srcBuffer, toRead)) { - if ((g_overwrite) && !strcmp (dstFileName, stdoutmark)) { /* pass-through mode */ - unsigned const result = FIO_passThrough(ress.dstFile, srcFile, ress.srcBuffer, ress.srcBufferSize, ress.srcBufferLoaded); - if (fclose(srcFile)) EXM_THROW(32, "zstd: %s close error", srcFileName); /* error should never happen */ - return result; - } else { - DISPLAYLEVEL(1, "zstd: %s: not in zstd format \n", srcFileName); - fclose(srcFile); - return 1; - } } - filesize += FIO_decompressFrame(&ress, srcFile, filesize); - } - } + DISPLAYLEVEL(1, "zstd: %s: unsupported format \n", srcFileName); + return 1; + } } /* for each frame */ /* Final Status */ DISPLAYLEVEL(2, "\r%79s\r", ""); DISPLAYLEVEL(2, "%-20s: %llu bytes \n", srcFileName, filesize); - /* Close file */ - if (fclose(srcFile)) EXM_THROW(33, "zstd: %s close error", srcFileName); /* error should never happen */ - if (g_removeSrcFile /* --rm */ && strcmp(srcFileName, stdinmark)) { if (remove(srcFileName)) EXM_THROW(34, "zstd: %s: %s", srcFileName, strerror(errno)); }; return 0; } +/** FIO_decompressSrcFile() : + Decompression `srcFileName` into `ress.dstFile` + @return : 0 : OK + 1 : operation not started +*/ +static int FIO_decompressSrcFile(dRess_t ress, const char* dstFileName, const char* srcFileName) +{ + FILE* srcFile; + int result; + + if (UTIL_isDirectory(srcFileName)) { + DISPLAYLEVEL(1, "zstd: %s is a directory -- ignored \n", srcFileName); + return 1; + } + + srcFile = FIO_openSrcFile(srcFileName); + if (srcFile==NULL) return 1; + + result = FIO_decompressFrames(ress, srcFile, dstFileName, srcFileName); + + /* Close file */ + if (fclose(srcFile)) { + DISPLAYLEVEL(1, "zstd: %s: %s \n", srcFileName, strerror(errno)); /* error should never happen */ + return 1; + } + if ( g_removeSrcFile /* --rm */ + && (result==0) /* decompression successful */ + && strcmp(srcFileName, stdinmark) ) /* not stdin */ { + if (remove(srcFileName)) { + /* failed to remove src file */ + DISPLAYLEVEL(1, "zstd: %s: %s \n", srcFileName, strerror(errno)); + return 1; + } } + return result; +} + + /** FIO_decompressFile_extRess() : decompress `srcFileName` into `dstFileName` @return : 0 : OK @@ -1297,16 +1779,21 @@ static int FIO_decompressDstFile(dRess_t ress, ress.dstFile = FIO_openDstFile(dstFileName); if (ress.dstFile==0) return 1; - if (strcmp (srcFileName, stdinmark) && UTIL_getFileStat(srcFileName, &statbuf)) stat_result = 1; + if (strcmp (srcFileName, stdinmark) && UTIL_getFileStat(srcFileName, &statbuf)) + stat_result = 1; result = FIO_decompressSrcFile(ress, dstFileName, srcFileName); - if (fclose(ress.dstFile)) EXM_THROW(38, "Write error : cannot properly close %s", dstFileName); + if (fclose(ress.dstFile)) { + DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); + result = 1; + } - if ( (result != 0) + if ( (result != 0) /* operation failure */ && strcmp(dstFileName, nulmark) /* special case : don't remove() /dev/null (#316) */ - && remove(dstFileName) ) + && remove(dstFileName) /* remove artefact */ ) result=1; /* don't do anything special if remove() fails */ - else if (strcmp (dstFileName, stdoutmark) && stat_result) UTIL_setFileStat(dstFileName, &statbuf); + else if (strcmp (dstFileName, stdoutmark) && stat_result) + UTIL_setFileStat(dstFileName, &statbuf); return result; } @@ -1314,13 +1801,12 @@ static int FIO_decompressDstFile(dRess_t ress, int FIO_decompressFilename(const char* dstFileName, const char* srcFileName, const char* dictFileName) { - int missingFiles = 0; - dRess_t ress = FIO_createDResources(dictFileName); + dRess_t const ress = FIO_createDResources(dictFileName); - missingFiles += FIO_decompressDstFile(ress, dstFileName, srcFileName); + int const decodingError = FIO_decompressDstFile(ress, dstFileName, srcFileName); FIO_freeDResources(ress); - return missingFiles; + return decodingError; } @@ -1333,7 +1819,8 @@ int FIO_decompressMultipleFilenames(const char** srcNamesTable, unsigned nbFiles int missingFiles = 0; dRess_t ress = FIO_createDResources(dictFileName); - if (suffix==NULL) EXM_THROW(70, "zstd: decompression: unknown dst"); /* should never happen */ + if (suffix==NULL) + EXM_THROW(70, "zstd: decompression: unknown dst"); /* should never happen */ if (!strcmp(suffix, stdoutmark) || !strcmp(suffix, nulmark)) { /* special cases : -c or -t */ unsigned u; @@ -1341,19 +1828,22 @@ int FIO_decompressMultipleFilenames(const char** srcNamesTable, unsigned nbFiles if (ress.dstFile == 0) EXM_THROW(71, "cannot open %s", suffix); for (u=0; u<nbFiles; u++) missingFiles += FIO_decompressSrcFile(ress, suffix, srcNamesTable[u]); - if (fclose(ress.dstFile)) EXM_THROW(72, "Write error : cannot properly close stdout"); + if (fclose(ress.dstFile)) + EXM_THROW(72, "Write error : cannot properly close stdout"); } else { size_t suffixSize; size_t dfnSize = FNSPACE; unsigned u; char* dstFileName = (char*)malloc(FNSPACE); - if (dstFileName==NULL) EXM_THROW(73, "not enough memory for dstFileName"); + if (dstFileName==NULL) + EXM_THROW(73, "not enough memory for dstFileName"); for (u=0; u<nbFiles; u++) { /* create dstFileName */ const char* const srcFileName = srcNamesTable[u]; const char* const suffixPtr = strrchr(srcFileName, '.'); size_t const sfnSize = strlen(srcFileName); if (!suffixPtr) { - DISPLAYLEVEL(1, "zstd: %s: unknown suffix -- ignored \n", srcFileName); + DISPLAYLEVEL(1, "zstd: %s: unknown suffix -- ignored \n", + srcFileName); skippedFiles++; continue; } @@ -1362,17 +1852,23 @@ int FIO_decompressMultipleFilenames(const char** srcNamesTable, unsigned nbFiles free(dstFileName); dfnSize = sfnSize + 20; dstFileName = (char*)malloc(dfnSize); - if (dstFileName==NULL) EXM_THROW(74, "not enough memory for dstFileName"); + if (dstFileName==NULL) + EXM_THROW(74, "not enough memory for dstFileName"); } - if (sfnSize <= suffixSize || (strcmp(suffixPtr, GZ_EXTENSION) && strcmp(suffixPtr, XZ_EXTENSION) && strcmp(suffixPtr, ZSTD_EXTENSION) && strcmp(suffixPtr, LZMA_EXTENSION) && strcmp(suffixPtr, LZ4_EXTENSION))) { - DISPLAYLEVEL(1, "zstd: %s: unknown suffix (%s/%s/%s/%s expected) -- ignored \n", srcFileName, GZ_EXTENSION, XZ_EXTENSION, ZSTD_EXTENSION, LZMA_EXTENSION); + if (sfnSize <= suffixSize + || (strcmp(suffixPtr, GZ_EXTENSION) + && strcmp(suffixPtr, XZ_EXTENSION) + && strcmp(suffixPtr, ZSTD_EXTENSION) + && strcmp(suffixPtr, LZMA_EXTENSION) + && strcmp(suffixPtr, LZ4_EXTENSION)) ) { + DISPLAYLEVEL(1, "zstd: %s: unknown suffix (%s/%s/%s/%s/%s expected) -- ignored \n", + srcFileName, GZ_EXTENSION, XZ_EXTENSION, ZSTD_EXTENSION, LZMA_EXTENSION, LZ4_EXTENSION); skippedFiles++; continue; } else { memcpy(dstFileName, srcFileName, sfnSize - suffixSize); dstFileName[sfnSize-suffixSize] = '\0'; } - missingFiles += FIO_decompressDstFile(ress, dstFileName, srcFileName); } free(dstFileName); |