| /** |
| * 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 GZ_EXTENSION ".gz" |
| #define ZSTD_EXTENSION ".zst" |
| #define ZSTD_UNZSTD "unzstd" |
| #define ZSTD_CAT "zstdcat" |
| #define ZSTD_GZ "gzip" |
| #define ZSTD_GUNZIP "gunzip" |
| #define ZSTD_GZCAT "gzcat" |
| |
| #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 |
| #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 */ |
| 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; } |
| if (!strcmp(argument, "--format=gzip")) { suffix = GZ_EXTENSION; FIO_setCompressionType(FIO_gzipCompression); continue; } |
| |
| /* 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"); |
| 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"); 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; |
| } |