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Diffstat (limited to 'programs/zstdcli.c')
| -rw-r--r-- | programs/zstdcli.c | 696 |
1 files changed, 696 insertions, 0 deletions
diff --git a/programs/zstdcli.c b/programs/zstdcli.c new file mode 100644 index 000000000000..ae49da7b1e72 --- /dev/null +++ b/programs/zstdcli.c @@ -0,0 +1,696 @@ +/** + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ + + +/*-************************************ +* Tuning parameters +**************************************/ +#ifndef ZSTDCLI_CLEVEL_DEFAULT +# define ZSTDCLI_CLEVEL_DEFAULT 3 +#endif + +#ifndef ZSTDCLI_CLEVEL_MAX +# define ZSTDCLI_CLEVEL_MAX 19 /* when not using --ultra */ +#endif + + + +/*-************************************ +* Dependencies +**************************************/ +#include "platform.h" /* IS_CONSOLE, PLATFORM_POSIX_VERSION */ +#include "util.h" /* UTIL_HAS_CREATEFILELIST, UTIL_createFileList */ +#include <string.h> /* strcmp, strlen */ +#include <errno.h> /* errno */ +#include "fileio.h" +#ifndef ZSTD_NOBENCH +# include "bench.h" /* BMK_benchFiles, BMK_SetNbSeconds */ +#endif +#ifndef ZSTD_NODICT +# include "dibio.h" +#endif +#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel */ +#include "zstd.h" /* ZSTD_VERSION_STRING */ + + +/*-************************************ +* Constants +**************************************/ +#define COMPRESSOR_NAME "zstd command line interface" +#ifndef ZSTD_VERSION +# define ZSTD_VERSION "v" ZSTD_VERSION_STRING +#endif +#define AUTHOR "Yann Collet" +#define WELCOME_MESSAGE "*** %s %i-bits %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR + +#define ZSTD_UNZSTD "unzstd" +#define ZSTD_CAT "zstdcat" +#define ZSTD_GZ "gzip" +#define ZSTD_GUNZIP "gunzip" +#define ZSTD_GZCAT "gzcat" +#define ZSTD_LZMA "lzma" +#define ZSTD_XZ "xz" + +#define KB *(1 <<10) +#define MB *(1 <<20) +#define GB *(1U<<30) + +#define DEFAULT_DISPLAY_LEVEL 2 + +static const char* g_defaultDictName = "dictionary"; +static const unsigned g_defaultMaxDictSize = 110 KB; +static const int g_defaultDictCLevel = 3; +static const unsigned g_defaultSelectivityLevel = 9; +#define OVERLAP_LOG_DEFAULT 9999 +static U32 g_overlapLog = OVERLAP_LOG_DEFAULT; + + +/*-************************************ +* Display Macros +**************************************/ +#define DISPLAY(...) fprintf(displayOut, __VA_ARGS__) +#define DISPLAYLEVEL(l, ...) if (displayLevel>=l) { DISPLAY(__VA_ARGS__); } +static FILE* displayOut; +static unsigned displayLevel = DEFAULT_DISPLAY_LEVEL; /* 0 : no display, 1: errors, 2 : + result + interaction + warnings, 3 : + progression, 4 : + information */ + + +/*-************************************ +* Command Line +**************************************/ +static int usage(const char* programName) +{ + DISPLAY( "Usage :\n"); + DISPLAY( " %s [args] [FILE(s)] [-o file]\n", programName); + DISPLAY( "\n"); + DISPLAY( "FILE : a filename\n"); + DISPLAY( " with no FILE, or when FILE is - , read standard input\n"); + DISPLAY( "Arguments :\n"); +#ifndef ZSTD_NOCOMPRESS + DISPLAY( " -# : # compression level (1-%d, default:%d) \n", ZSTDCLI_CLEVEL_MAX, ZSTDCLI_CLEVEL_DEFAULT); +#endif +#ifndef ZSTD_NODECOMPRESS + DISPLAY( " -d : decompression \n"); +#endif + DISPLAY( " -D file: use `file` as Dictionary \n"); + DISPLAY( " -o file: result stored into `file` (only if 1 input file) \n"); + DISPLAY( " -f : overwrite output without prompting \n"); + DISPLAY( "--rm : remove source file(s) after successful de/compression \n"); + DISPLAY( " -k : preserve source file(s) (default) \n"); + DISPLAY( " -h/-H : display help/long help and exit\n"); + return 0; +} + +static int usage_advanced(const char* programName) +{ + DISPLAY(WELCOME_MESSAGE); + usage(programName); + DISPLAY( "\n"); + DISPLAY( "Advanced arguments :\n"); + DISPLAY( " -V : display Version number and exit\n"); + DISPLAY( " -v : verbose mode; specify multiple times to increase log level (default:%d)\n", DEFAULT_DISPLAY_LEVEL); + DISPLAY( " -q : suppress warnings; specify twice to suppress errors too\n"); + DISPLAY( " -c : force write to standard output, even if it is the console\n"); +#ifdef UTIL_HAS_CREATEFILELIST + DISPLAY( " -r : operate recursively on directories \n"); +#endif +#ifndef ZSTD_NOCOMPRESS + DISPLAY( "--ultra : enable levels beyond %i, up to %i (requires more memory)\n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel()); + DISPLAY( "--no-dictID : don't write dictID into header (dictionary compression)\n"); + DISPLAY( "--[no-]check : integrity check (default:enabled) \n"); +#ifdef ZSTD_MULTITHREAD + DISPLAY( " -T# : use # threads for compression (default:1) \n"); + DISPLAY( " -B# : select size of independent sections (default:0==automatic) \n"); +#endif +#ifdef ZSTD_GZCOMPRESS + DISPLAY( "--format=gzip : compress files to the .gz format \n"); +#endif +#ifdef ZSTD_LZMACOMPRESS + DISPLAY( "--format=xz : compress files to the .xz format \n"); + DISPLAY( "--format=lzma : compress files to the .lzma format \n"); +#endif +#endif +#ifndef ZSTD_NODECOMPRESS + DISPLAY( "--test : test compressed file integrity \n"); + DISPLAY( "--[no-]sparse : sparse mode (default:enabled on file, disabled on stdout)\n"); +#endif + DISPLAY( " -M# : Set a memory usage limit for decompression \n"); + DISPLAY( "-- : All arguments after \"--\" are treated as files \n"); +#ifndef ZSTD_NODICT + DISPLAY( "\n"); + DISPLAY( "Dictionary builder :\n"); + DISPLAY( "--train ## : create a dictionary from a training set of files \n"); + DISPLAY( "--cover=k=#,d=# : use the cover algorithm with parameters k and d \n"); + DISPLAY( "--optimize-cover[=steps=#,k=#,d=#] : optimize cover parameters with optional parameters\n"); + DISPLAY( " -o file : `file` is dictionary name (default: %s) \n", g_defaultDictName); + DISPLAY( "--maxdict ## : limit dictionary to specified size (default : %u) \n", g_defaultMaxDictSize); + DISPLAY( " -s# : dictionary selectivity level (default: %u)\n", g_defaultSelectivityLevel); + DISPLAY( "--dictID ## : force dictionary ID to specified value (default: random)\n"); +#endif +#ifndef ZSTD_NOBENCH + DISPLAY( "\n"); + DISPLAY( "Benchmark arguments :\n"); + DISPLAY( " -b# : benchmark file(s), using # compression level (default : 1) \n"); + DISPLAY( " -e# : test all compression levels from -bX to # (default: 1)\n"); + DISPLAY( " -i# : minimum evaluation time in seconds (default : 3s)\n"); + DISPLAY( " -B# : cut file into independent blocks of size # (default: no block)\n"); + DISPLAY( "--priority=rt : set process priority to real-time\n"); +#endif + return 0; +} + +static int badusage(const char* programName) +{ + DISPLAYLEVEL(1, "Incorrect parameters\n"); + if (displayLevel >= 1) usage(programName); + return 1; +} + +static void waitEnter(void) +{ + int unused; + DISPLAY("Press enter to continue...\n"); + unused = getchar(); + (void)unused; +} + +/*! readU32FromChar() : + @return : unsigned integer value read from input in `char` format + allows and interprets K, KB, KiB, M, MB and MiB suffix. + Will also modify `*stringPtr`, advancing it to position where it stopped reading. + Note : function result can overflow if digit string > MAX_UINT */ +static unsigned readU32FromChar(const char** stringPtr) +{ + unsigned result = 0; + while ((**stringPtr >='0') && (**stringPtr <='9')) + result *= 10, result += **stringPtr - '0', (*stringPtr)++ ; + if ((**stringPtr=='K') || (**stringPtr=='M')) { + result <<= 10; + if (**stringPtr=='M') result <<= 10; + (*stringPtr)++ ; + if (**stringPtr=='i') (*stringPtr)++; + if (**stringPtr=='B') (*stringPtr)++; + } + return result; +} + +/** longCommandWArg() : + * check if *stringPtr is the same as longCommand. + * If yes, @return 1 and advances *stringPtr to the position which immediately follows longCommand. + * @return 0 and doesn't modify *stringPtr otherwise. + */ +static unsigned longCommandWArg(const char** stringPtr, const char* longCommand) +{ + size_t const comSize = strlen(longCommand); + int const result = !strncmp(*stringPtr, longCommand, comSize); + if (result) *stringPtr += comSize; + return result; +} + + +#ifndef ZSTD_NODICT +/** + * parseCoverParameters() : + * reads cover parameters from *stringPtr (e.g. "--cover=smoothing=100,kmin=48,kstep=4,kmax=64,d=8") into *params + * @return 1 means that cover parameters were correct + * @return 0 in case of malformed parameters + */ +static unsigned parseCoverParameters(const char* stringPtr, COVER_params_t *params) +{ + memset(params, 0, sizeof(*params)); + for (; ;) { + if (longCommandWArg(&stringPtr, "k=")) { params->k = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "d=")) { params->d = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "steps=")) { params->steps = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + return 0; + } + if (stringPtr[0] != 0) return 0; + DISPLAYLEVEL(4, "k=%u\nd=%u\nsteps=%u\n", params->k, params->d, params->steps); + return 1; +} +#endif + + +/** parseCompressionParameters() : + * reads compression parameters from *stringPtr (e.g. "--zstd=wlog=23,clog=23,hlog=22,slog=6,slen=3,tlen=48,strat=6") into *params + * @return 1 means that compression parameters were correct + * @return 0 in case of malformed parameters + */ +static unsigned parseCompressionParameters(const char* stringPtr, ZSTD_compressionParameters* params) +{ + for ( ; ;) { + if (longCommandWArg(&stringPtr, "windowLog=") || longCommandWArg(&stringPtr, "wlog=")) { params->windowLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "chainLog=") || longCommandWArg(&stringPtr, "clog=")) { params->chainLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "hashLog=") || longCommandWArg(&stringPtr, "hlog=")) { params->hashLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "searchLog=") || longCommandWArg(&stringPtr, "slog=")) { params->searchLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "searchLength=") || longCommandWArg(&stringPtr, "slen=")) { params->searchLength = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "targetLength=") || longCommandWArg(&stringPtr, "tlen=")) { params->targetLength = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "strategy=") || longCommandWArg(&stringPtr, "strat=")) { params->strategy = (ZSTD_strategy)(1 + readU32FromChar(&stringPtr)); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + if (longCommandWArg(&stringPtr, "overlapLog=") || longCommandWArg(&stringPtr, "ovlog=")) { g_overlapLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } + return 0; + } + + if (stringPtr[0] != 0) return 0; /* check the end of string */ + DISPLAYLEVEL(4, "windowLog=%d\nchainLog=%d\nhashLog=%d\nsearchLog=%d\n", params->windowLog, params->chainLog, params->hashLog, params->searchLog); + DISPLAYLEVEL(4, "searchLength=%d\ntargetLength=%d\nstrategy=%d\n", params->searchLength, params->targetLength, params->strategy); + return 1; +} + + +typedef enum { zom_compress, zom_decompress, zom_test, zom_bench, zom_train } zstd_operation_mode; + +#define CLEAN_RETURN(i) { operationResult = (i); goto _end; } + +int main(int argCount, const char* argv[]) +{ + int argNb, + forceStdout=0, + main_pause=0, + nextEntryIsDictionary=0, + operationResult=0, + nextArgumentIsOutFileName=0, + nextArgumentIsMaxDict=0, + nextArgumentIsDictID=0, + nextArgumentsAreFiles=0, + ultra=0, + lastCommand = 0, + nbThreads = 1, + setRealTimePrio = 0; + unsigned bench_nbSeconds = 3; /* would be better if this value was synchronized from bench */ + size_t blockSize = 0; + zstd_operation_mode operation = zom_compress; + ZSTD_compressionParameters compressionParams; + int cLevel = ZSTDCLI_CLEVEL_DEFAULT; + int cLevelLast = 1; + unsigned recursive = 0; + unsigned memLimit = 0; + const char** filenameTable = (const char**)malloc(argCount * sizeof(const char*)); /* argCount >= 1 */ + unsigned filenameIdx = 0; + const char* programName = argv[0]; + const char* outFileName = NULL; + const char* dictFileName = NULL; + const char* suffix = ZSTD_EXTENSION; + unsigned maxDictSize = g_defaultMaxDictSize; + unsigned dictID = 0; + int dictCLevel = g_defaultDictCLevel; + unsigned dictSelect = g_defaultSelectivityLevel; +#ifdef UTIL_HAS_CREATEFILELIST + const char** extendedFileList = NULL; + char* fileNamesBuf = NULL; + unsigned fileNamesNb; +#endif +#ifndef ZSTD_NODICT + COVER_params_t coverParams; + int cover = 0; +#endif + + /* init */ + (void)recursive; (void)cLevelLast; /* not used when ZSTD_NOBENCH set */ + (void)dictCLevel; (void)dictSelect; (void)dictID; (void)maxDictSize; /* not used when ZSTD_NODICT set */ + (void)ultra; (void)cLevel; /* not used when ZSTD_NOCOMPRESS set */ + (void)memLimit; /* not used when ZSTD_NODECOMPRESS set */ + if (filenameTable==NULL) { DISPLAY("zstd: %s \n", strerror(errno)); exit(1); } + filenameTable[0] = stdinmark; + displayOut = stderr; + /* Pick out program name from path. Don't rely on stdlib because of conflicting behavior */ + { size_t pos; + for (pos = (int)strlen(programName); pos > 0; pos--) { if (programName[pos] == '/') { pos++; break; } } + programName += pos; + } + + /* preset behaviors */ + if (!strcmp(programName, ZSTD_UNZSTD)) operation=zom_decompress; + if (!strcmp(programName, ZSTD_CAT)) { operation=zom_decompress; forceStdout=1; FIO_overwriteMode(); outFileName=stdoutmark; displayLevel=1; } + if (!strcmp(programName, ZSTD_GZ)) { suffix = GZ_EXTENSION; FIO_setCompressionType(FIO_gzipCompression); FIO_setRemoveSrcFile(1); } /* behave like gzip */ + if (!strcmp(programName, ZSTD_GUNZIP)) { operation=zom_decompress; FIO_setRemoveSrcFile(1); } /* behave like gunzip */ + if (!strcmp(programName, ZSTD_GZCAT)) { operation=zom_decompress; forceStdout=1; FIO_overwriteMode(); outFileName=stdoutmark; displayLevel=1; } /* behave like gzcat */ + if (!strcmp(programName, ZSTD_LZMA)) { suffix = LZMA_EXTENSION; FIO_setCompressionType(FIO_lzmaCompression); FIO_setRemoveSrcFile(1); } /* behave like lzma */ + if (!strcmp(programName, ZSTD_XZ)) { suffix = XZ_EXTENSION; FIO_setCompressionType(FIO_xzCompression); FIO_setRemoveSrcFile(1); } /* behave like xz */ + memset(&compressionParams, 0, sizeof(compressionParams)); + + /* command switches */ + for (argNb=1; argNb<argCount; argNb++) { + const char* argument = argv[argNb]; + if(!argument) continue; /* Protection if argument empty */ + + if (nextArgumentsAreFiles==0) { + /* "-" means stdin/stdout */ + if (!strcmp(argument, "-")){ + if (!filenameIdx) { + filenameIdx=1, filenameTable[0]=stdinmark; + outFileName=stdoutmark; + displayLevel-=(displayLevel==2); + continue; + } } + + /* Decode commands (note : aggregated commands are allowed) */ + if (argument[0]=='-') { + + if (argument[1]=='-') { + /* long commands (--long-word) */ + if (!strcmp(argument, "--")) { nextArgumentsAreFiles=1; continue; } /* only file names allowed from now on */ + if (!strcmp(argument, "--compress")) { operation=zom_compress; continue; } + if (!strcmp(argument, "--decompress")) { operation=zom_decompress; continue; } + if (!strcmp(argument, "--uncompress")) { operation=zom_decompress; continue; } + if (!strcmp(argument, "--force")) { FIO_overwriteMode(); continue; } + if (!strcmp(argument, "--version")) { displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); } + if (!strcmp(argument, "--help")) { displayOut=stdout; CLEAN_RETURN(usage_advanced(programName)); } + if (!strcmp(argument, "--verbose")) { displayLevel++; continue; } + if (!strcmp(argument, "--quiet")) { displayLevel--; continue; } + if (!strcmp(argument, "--stdout")) { forceStdout=1; outFileName=stdoutmark; displayLevel-=(displayLevel==2); continue; } + if (!strcmp(argument, "--ultra")) { ultra=1; continue; } + if (!strcmp(argument, "--check")) { FIO_setChecksumFlag(2); continue; } + if (!strcmp(argument, "--no-check")) { FIO_setChecksumFlag(0); continue; } + if (!strcmp(argument, "--sparse")) { FIO_setSparseWrite(2); continue; } + if (!strcmp(argument, "--no-sparse")) { FIO_setSparseWrite(0); continue; } + if (!strcmp(argument, "--test")) { operation=zom_test; continue; } + if (!strcmp(argument, "--train")) { operation=zom_train; outFileName=g_defaultDictName; continue; } + if (!strcmp(argument, "--maxdict")) { nextArgumentIsMaxDict=1; lastCommand=1; continue; } + if (!strcmp(argument, "--dictID")) { nextArgumentIsDictID=1; lastCommand=1; continue; } + if (!strcmp(argument, "--no-dictID")) { FIO_setDictIDFlag(0); continue; } + if (!strcmp(argument, "--keep")) { FIO_setRemoveSrcFile(0); continue; } + if (!strcmp(argument, "--rm")) { FIO_setRemoveSrcFile(1); continue; } + if (!strcmp(argument, "--priority=rt")) { setRealTimePrio = 1; continue; } +#ifdef ZSTD_GZCOMPRESS + if (!strcmp(argument, "--format=gzip")) { suffix = GZ_EXTENSION; FIO_setCompressionType(FIO_gzipCompression); continue; } +#endif +#ifdef ZSTD_LZMACOMPRESS + if (!strcmp(argument, "--format=lzma")) { suffix = LZMA_EXTENSION; FIO_setCompressionType(FIO_lzmaCompression); continue; } + if (!strcmp(argument, "--format=xz")) { suffix = XZ_EXTENSION; FIO_setCompressionType(FIO_xzCompression); continue; } +#endif + + /* long commands with arguments */ +#ifndef ZSTD_NODICT + if (longCommandWArg(&argument, "--cover=")) { + cover=1; if (!parseCoverParameters(argument, &coverParams)) CLEAN_RETURN(badusage(programName)); + continue; + } + if (longCommandWArg(&argument, "--optimize-cover")) { + cover=2; + /* Allow optional arguments following an = */ + if (*argument == 0) { memset(&coverParams, 0, sizeof(coverParams)); } + else if (*argument++ != '=') { CLEAN_RETURN(badusage(programName)); } + else if (!parseCoverParameters(argument, &coverParams)) { CLEAN_RETURN(badusage(programName)); } + continue; + } +#endif + if (longCommandWArg(&argument, "--memlimit=")) { memLimit = readU32FromChar(&argument); continue; } + if (longCommandWArg(&argument, "--memory=")) { memLimit = readU32FromChar(&argument); continue; } + if (longCommandWArg(&argument, "--memlimit-decompress=")) { memLimit = readU32FromChar(&argument); continue; } + if (longCommandWArg(&argument, "--block-size=")) { blockSize = readU32FromChar(&argument); continue; } + if (longCommandWArg(&argument, "--zstd=")) { if (!parseCompressionParameters(argument, &compressionParams)) CLEAN_RETURN(badusage(programName)); continue; } + /* fall-through, will trigger bad_usage() later on */ + } + + argument++; + while (argument[0]!=0) { + if (lastCommand) { + DISPLAY("error : command must be followed by argument \n"); + CLEAN_RETURN(1); + } +#ifndef ZSTD_NOCOMPRESS + /* compression Level */ + if ((*argument>='0') && (*argument<='9')) { + dictCLevel = cLevel = readU32FromChar(&argument); + continue; + } +#endif + + switch(argument[0]) + { + /* Display help */ + case 'V': displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); /* Version Only */ + case 'H': + case 'h': displayOut=stdout; CLEAN_RETURN(usage_advanced(programName)); + + /* Compress */ + case 'z': operation=zom_compress; argument++; break; + + /* Decoding */ + case 'd': +#ifndef ZSTD_NOBENCH + if (operation==zom_bench) { BMK_setDecodeOnlyMode(1); argument++; break; } /* benchmark decode (hidden option) */ +#endif + operation=zom_decompress; argument++; break; + + /* Force stdout, even if stdout==console */ + case 'c': forceStdout=1; outFileName=stdoutmark; argument++; break; + + /* Use file content as dictionary */ + case 'D': nextEntryIsDictionary = 1; lastCommand = 1; argument++; break; + + /* Overwrite */ + case 'f': FIO_overwriteMode(); forceStdout=1; argument++; break; + + /* Verbose mode */ + case 'v': displayLevel++; argument++; break; + + /* Quiet mode */ + case 'q': displayLevel--; argument++; break; + + /* keep source file (default); for gzip/xz compatibility */ + case 'k': FIO_setRemoveSrcFile(0); argument++; break; + + /* Checksum */ + case 'C': argument++; FIO_setChecksumFlag(2); break; + + /* test compressed file */ + case 't': operation=zom_test; argument++; break; + + /* destination file name */ + case 'o': nextArgumentIsOutFileName=1; lastCommand=1; argument++; break; + + /* limit decompression memory */ + case 'M': + argument++; + memLimit = readU32FromChar(&argument); + break; + +#ifdef UTIL_HAS_CREATEFILELIST + /* recursive */ + case 'r': recursive=1; argument++; break; +#endif + +#ifndef ZSTD_NOBENCH + /* Benchmark */ + case 'b': + operation=zom_bench; + argument++; + break; + + /* range bench (benchmark only) */ + case 'e': + /* compression Level */ + argument++; + cLevelLast = readU32FromChar(&argument); + break; + + /* Modify Nb Iterations (benchmark only) */ + case 'i': + argument++; + bench_nbSeconds = readU32FromChar(&argument); + break; + + /* cut input into blocks (benchmark only) */ + case 'B': + argument++; + blockSize = readU32FromChar(&argument); + break; + +#endif /* ZSTD_NOBENCH */ + + /* nb of threads (hidden option) */ + case 'T': + argument++; + nbThreads = readU32FromChar(&argument); + break; + + /* Dictionary Selection level */ + case 's': + argument++; + dictSelect = readU32FromChar(&argument); + break; + + /* Pause at the end (-p) or set an additional param (-p#) (hidden option) */ + case 'p': argument++; +#ifndef ZSTD_NOBENCH + if ((*argument>='0') && (*argument<='9')) { + BMK_setAdditionalParam(readU32FromChar(&argument)); + } else +#endif + main_pause=1; + break; + /* unknown command */ + default : CLEAN_RETURN(badusage(programName)); + } + } + continue; + } /* if (argument[0]=='-') */ + + if (nextArgumentIsMaxDict) { + nextArgumentIsMaxDict = 0; + lastCommand = 0; + maxDictSize = readU32FromChar(&argument); + continue; + } + + if (nextArgumentIsDictID) { + nextArgumentIsDictID = 0; + lastCommand = 0; + dictID = readU32FromChar(&argument); + continue; + } + + } /* if (nextArgumentIsAFile==0) */ + + if (nextEntryIsDictionary) { + nextEntryIsDictionary = 0; + lastCommand = 0; + dictFileName = argument; + continue; + } + + if (nextArgumentIsOutFileName) { + nextArgumentIsOutFileName = 0; + lastCommand = 0; + outFileName = argument; + if (!strcmp(outFileName, "-")) outFileName = stdoutmark; + continue; + } + + /* add filename to list */ + filenameTable[filenameIdx++] = argument; + } + + if (lastCommand) { DISPLAY("error : command must be followed by argument \n"); CLEAN_RETURN(1); } /* forgotten argument */ + + /* Welcome message (if verbose) */ + DISPLAYLEVEL(3, WELCOME_MESSAGE); +#ifdef _POSIX_C_SOURCE + DISPLAYLEVEL(4, "_POSIX_C_SOURCE defined: %ldL\n", (long) _POSIX_C_SOURCE); +#endif +#ifdef _POSIX_VERSION + DISPLAYLEVEL(4, "_POSIX_VERSION defined: %ldL\n", (long) _POSIX_VERSION); +#endif +#ifdef PLATFORM_POSIX_VERSION + DISPLAYLEVEL(4, "PLATFORM_POSIX_VERSION defined: %ldL\n", (long) PLATFORM_POSIX_VERSION); +#endif + +#ifdef UTIL_HAS_CREATEFILELIST + if (recursive) { /* at this stage, filenameTable is a list of paths, which can contain both files and directories */ + extendedFileList = UTIL_createFileList(filenameTable, filenameIdx, &fileNamesBuf, &fileNamesNb); + if (extendedFileList) { + unsigned u; + for (u=0; u<fileNamesNb; u++) DISPLAYLEVEL(4, "%u %s\n", u, extendedFileList[u]); + free((void*)filenameTable); + filenameTable = extendedFileList; + filenameIdx = fileNamesNb; + } + } +#endif + + /* Check if benchmark is selected */ + if (operation==zom_bench) { +#ifndef ZSTD_NOBENCH + BMK_setNotificationLevel(displayLevel); + BMK_setBlockSize(blockSize); + BMK_setNbThreads(nbThreads); + BMK_setNbSeconds(bench_nbSeconds); + BMK_benchFiles(filenameTable, filenameIdx, dictFileName, cLevel, cLevelLast, &compressionParams, setRealTimePrio); +#endif + (void)bench_nbSeconds; + goto _end; + } + + /* Check if dictionary builder is selected */ + if (operation==zom_train) { +#ifndef ZSTD_NODICT + if (cover) { + coverParams.nbThreads = nbThreads; + coverParams.compressionLevel = dictCLevel; + coverParams.notificationLevel = displayLevel; + coverParams.dictID = dictID; + DiB_trainFromFiles(outFileName, maxDictSize, filenameTable, filenameIdx, NULL, &coverParams, cover - 1); + } else { + ZDICT_params_t dictParams; + memset(&dictParams, 0, sizeof(dictParams)); + dictParams.compressionLevel = dictCLevel; + dictParams.selectivityLevel = dictSelect; + dictParams.notificationLevel = displayLevel; + dictParams.dictID = dictID; + DiB_trainFromFiles(outFileName, maxDictSize, filenameTable, filenameIdx, &dictParams, NULL, 0); + } +#endif + goto _end; + } + + /* No input filename ==> use stdin and stdout */ + filenameIdx += !filenameIdx; /* filenameTable[0] is stdin by default */ + if (!strcmp(filenameTable[0], stdinmark) && !outFileName) outFileName = stdoutmark; /* when input is stdin, default output is stdout */ + + /* Check if input/output defined as console; trigger an error in this case */ + if (!strcmp(filenameTable[0], stdinmark) && IS_CONSOLE(stdin) ) CLEAN_RETURN(badusage(programName)); + if (outFileName && !strcmp(outFileName, stdoutmark) && IS_CONSOLE(stdout) && strcmp(filenameTable[0], stdinmark) && !(forceStdout && (operation==zom_decompress))) + CLEAN_RETURN(badusage(programName)); + + /* user-selected output filename, only possible with a single file */ + if (outFileName && strcmp(outFileName,stdoutmark) && strcmp(outFileName,nulmark) && (filenameIdx>1)) { + DISPLAY("Too many files (%u) on the command line. \n", filenameIdx); + CLEAN_RETURN(filenameIdx); + } + +#ifndef ZSTD_NOCOMPRESS + /* check compression level limits */ + { int const maxCLevel = ultra ? ZSTD_maxCLevel() : ZSTDCLI_CLEVEL_MAX; + if (cLevel > maxCLevel) { + DISPLAYLEVEL(2, "Warning : compression level higher than max, reduced to %i \n", maxCLevel); + cLevel = maxCLevel; + } } +#endif + + /* No status message in pipe mode (stdin - stdout) or multi-files mode */ + if (!strcmp(filenameTable[0], stdinmark) && outFileName && !strcmp(outFileName,stdoutmark) && (displayLevel==2)) displayLevel=1; + if ((filenameIdx>1) & (displayLevel==2)) displayLevel=1; + + /* IO Stream/File */ + FIO_setNotificationLevel(displayLevel); + if (operation==zom_compress) { +#ifndef ZSTD_NOCOMPRESS + FIO_setNbThreads(nbThreads); + FIO_setBlockSize((U32)blockSize); + if (g_overlapLog!=OVERLAP_LOG_DEFAULT) FIO_setOverlapLog(g_overlapLog); + if ((filenameIdx==1) && outFileName) + operationResult = FIO_compressFilename(outFileName, filenameTable[0], dictFileName, cLevel, &compressionParams); + else + operationResult = FIO_compressMultipleFilenames(filenameTable, filenameIdx, outFileName ? outFileName : suffix, dictFileName, cLevel, &compressionParams); +#else + DISPLAY("Compression not supported\n"); +#endif + } else { /* decompression or test */ +#ifndef ZSTD_NODECOMPRESS + if (operation==zom_test) { outFileName=nulmark; FIO_setRemoveSrcFile(0); } /* test mode */ + FIO_setMemLimit(memLimit); + if (filenameIdx==1 && outFileName) + operationResult = FIO_decompressFilename(outFileName, filenameTable[0], dictFileName); + else + operationResult = FIO_decompressMultipleFilenames(filenameTable, filenameIdx, outFileName ? outFileName : ZSTD_EXTENSION, dictFileName); +#else + DISPLAY("Decompression not supported\n"); +#endif + } + +_end: + if (main_pause) waitEnter(); +#ifdef UTIL_HAS_CREATEFILELIST + if (extendedFileList) + UTIL_freeFileList(extendedFileList, fileNamesBuf); + else +#endif + free((void*)filenameTable); + return operationResult; +} |