777 lines
34 KiB
C
777 lines
34 KiB
C
/**
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/*-************************************
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* Tuning parameters
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**************************************/
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#ifndef ZSTDCLI_CLEVEL_DEFAULT
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# define ZSTDCLI_CLEVEL_DEFAULT 3
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#endif
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#ifndef ZSTDCLI_CLEVEL_MAX
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# define ZSTDCLI_CLEVEL_MAX 19 /* when not using --ultra */
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#endif
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/*-************************************
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* Dependencies
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**************************************/
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#include "platform.h" /* IS_CONSOLE, PLATFORM_POSIX_VERSION */
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#include "util.h" /* UTIL_HAS_CREATEFILELIST, UTIL_createFileList */
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#include <string.h> /* strcmp, strlen */
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#include <errno.h> /* errno */
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#include "fileio.h"
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#ifndef ZSTD_NOBENCH
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# include "bench.h" /* BMK_benchFiles, BMK_SetNbSeconds */
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#endif
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#ifndef ZSTD_NODICT
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# include "dibio.h"
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#endif
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#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel */
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#include "zstd.h" /* ZSTD_VERSION_STRING */
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/*-************************************
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* Constants
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**************************************/
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#define COMPRESSOR_NAME "zstd command line interface"
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#ifndef ZSTD_VERSION
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# define ZSTD_VERSION "v" ZSTD_VERSION_STRING
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#endif
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#define AUTHOR "Yann Collet"
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#define WELCOME_MESSAGE "*** %s %i-bits %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR
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#define ZSTD_ZSTDMT "zstdmt"
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#define ZSTD_UNZSTD "unzstd"
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#define ZSTD_CAT "zstdcat"
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#define ZSTD_GZ "gzip"
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#define ZSTD_GUNZIP "gunzip"
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#define ZSTD_GZCAT "gzcat"
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#define ZSTD_LZMA "lzma"
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#define ZSTD_XZ "xz"
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#define KB *(1 <<10)
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#define MB *(1 <<20)
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#define GB *(1U<<30)
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#define DEFAULT_DISPLAY_LEVEL 2
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static const char* g_defaultDictName = "dictionary";
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static const unsigned g_defaultMaxDictSize = 110 KB;
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static const int g_defaultDictCLevel = 3;
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static const unsigned g_defaultSelectivityLevel = 9;
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#define OVERLAP_LOG_DEFAULT 9999
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static U32 g_overlapLog = OVERLAP_LOG_DEFAULT;
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/*-************************************
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* Display Macros
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**************************************/
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#define DISPLAY(...) fprintf(g_displayOut, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } }
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static int g_displayLevel = DEFAULT_DISPLAY_LEVEL; /* 0 : no display, 1: errors, 2 : + result + interaction + warnings, 3 : + progression, 4 : + information */
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static FILE* g_displayOut;
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/*-************************************
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* Command Line
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**************************************/
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static int usage(const char* programName)
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{
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DISPLAY( "Usage :\n");
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DISPLAY( " %s [args] [FILE(s)] [-o file]\n", programName);
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DISPLAY( "\n");
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DISPLAY( "FILE : a filename\n");
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DISPLAY( " with no FILE, or when FILE is - , read standard input\n");
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DISPLAY( "Arguments :\n");
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#ifndef ZSTD_NOCOMPRESS
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DISPLAY( " -# : # compression level (1-%d, default:%d) \n", ZSTDCLI_CLEVEL_MAX, ZSTDCLI_CLEVEL_DEFAULT);
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#endif
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#ifndef ZSTD_NODECOMPRESS
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DISPLAY( " -d : decompression \n");
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#endif
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DISPLAY( " -D file: use `file` as Dictionary \n");
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DISPLAY( " -o file: result stored into `file` (only if 1 input file) \n");
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DISPLAY( " -f : overwrite output without prompting and (de)compress links \n");
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DISPLAY( "--rm : remove source file(s) after successful de/compression \n");
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DISPLAY( " -k : preserve source file(s) (default) \n");
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DISPLAY( " -h/-H : display help/long help and exit\n");
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return 0;
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}
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static int usage_advanced(const char* programName)
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{
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DISPLAY(WELCOME_MESSAGE);
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usage(programName);
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DISPLAY( "\n");
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DISPLAY( "Advanced arguments :\n");
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DISPLAY( " -V : display Version number and exit\n");
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DISPLAY( " -v : verbose mode; specify multiple times to increase verbosity\n");
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DISPLAY( " -q : suppress warnings; specify twice to suppress errors too\n");
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DISPLAY( " -c : force write to standard output, even if it is the console\n");
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#ifndef ZSTD_NOCOMPRESS
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DISPLAY( "--ultra : enable levels beyond %i, up to %i (requires more memory)\n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel());
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#ifdef ZSTD_MULTITHREAD
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DISPLAY( " -T# : use # threads for compression (default:1) \n");
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DISPLAY( " -B# : select size of each job (default:0==automatic) \n");
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#endif
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DISPLAY( "--no-dictID : don't write dictID into header (dictionary compression)\n");
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DISPLAY( "--[no-]check : integrity check (default:enabled) \n");
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#endif
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#ifdef UTIL_HAS_CREATEFILELIST
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DISPLAY( " -r : operate recursively on directories \n");
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#endif
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#ifdef ZSTD_GZCOMPRESS
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DISPLAY( "--format=gzip : compress files to the .gz format \n");
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#endif
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#ifdef ZSTD_LZMACOMPRESS
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DISPLAY( "--format=xz : compress files to the .xz format \n");
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DISPLAY( "--format=lzma : compress files to the .lzma format \n");
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#endif
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#ifdef ZSTD_LZ4COMPRESS
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DISPLAY( "--format=lz4 : compress files to the .lz4 format \n");
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#endif
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#ifndef ZSTD_NODECOMPRESS
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DISPLAY( "--test : test compressed file integrity \n");
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#if ZSTD_SPARSE_DEFAULT
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DISPLAY( "--[no-]sparse : sparse mode (default:enabled on file, disabled on stdout)\n");
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#else
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DISPLAY( "--[no-]sparse : sparse mode (default:disabled)\n");
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#endif
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#endif
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DISPLAY( " -M# : Set a memory usage limit for decompression \n");
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DISPLAY( "-- : All arguments after \"--\" are treated as files \n");
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#ifndef ZSTD_NODICT
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DISPLAY( "\n");
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DISPLAY( "Dictionary builder :\n");
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DISPLAY( "--train ## : create a dictionary from a training set of files \n");
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DISPLAY( "--train-cover[=k=#,d=#,steps=#] : use the cover algorithm with optional args\n");
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DISPLAY( "--train-legacy[=s=#] : use the legacy algorithm with selectivity (default: %u)\n", g_defaultSelectivityLevel);
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DISPLAY( " -o file : `file` is dictionary name (default: %s) \n", g_defaultDictName);
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DISPLAY( "--maxdict=# : limit dictionary to specified size (default : %u) \n", g_defaultMaxDictSize);
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DISPLAY( "--dictID=# : force dictionary ID to specified value (default: random)\n");
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#endif
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#ifndef ZSTD_NOBENCH
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DISPLAY( "\n");
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DISPLAY( "Benchmark arguments :\n");
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DISPLAY( " -b# : benchmark file(s), using # compression level (default : 1) \n");
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DISPLAY( " -e# : test all compression levels from -bX to # (default: 1)\n");
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DISPLAY( " -i# : minimum evaluation time in seconds (default : 3s)\n");
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DISPLAY( " -B# : cut file into independent blocks of size # (default: no block)\n");
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DISPLAY( "--priority=rt : set process priority to real-time\n");
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#endif
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return 0;
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}
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static int badusage(const char* programName)
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{
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DISPLAYLEVEL(1, "Incorrect parameters\n");
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if (g_displayLevel >= 2) usage(programName);
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return 1;
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}
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static void waitEnter(void)
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{
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int unused;
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DISPLAY("Press enter to continue...\n");
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unused = getchar();
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(void)unused;
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}
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static const char* lastNameFromPath(const char* path)
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{
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const char* name = path;
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if (strrchr(name, '/')) name = strrchr(name, '/') + 1;
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if (strrchr(name, '\\')) name = strrchr(name, '\\') + 1; /* windows */
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return name;
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}
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/*! exeNameMatch() :
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@return : a non-zero value if exeName matches test, excluding the extension
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*/
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static int exeNameMatch(const char* exeName, const char* test)
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{
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return !strncmp(exeName, test, strlen(test)) &&
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(exeName[strlen(test)] == '\0' || exeName[strlen(test)] == '.');
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}
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/*! readU32FromChar() :
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@return : unsigned integer value read from input in `char` format
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allows and interprets K, KB, KiB, M, MB and MiB suffix.
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Will also modify `*stringPtr`, advancing it to position where it stopped reading.
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Note : function result can overflow if digit string > MAX_UINT */
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static unsigned readU32FromChar(const char** stringPtr)
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{
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unsigned result = 0;
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while ((**stringPtr >='0') && (**stringPtr <='9'))
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result *= 10, result += **stringPtr - '0', (*stringPtr)++ ;
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if ((**stringPtr=='K') || (**stringPtr=='M')) {
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result <<= 10;
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if (**stringPtr=='M') result <<= 10;
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(*stringPtr)++ ;
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if (**stringPtr=='i') (*stringPtr)++;
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if (**stringPtr=='B') (*stringPtr)++;
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}
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return result;
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}
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/** longCommandWArg() :
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* check if *stringPtr is the same as longCommand.
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* If yes, @return 1 and advances *stringPtr to the position which immediately follows longCommand.
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* @return 0 and doesn't modify *stringPtr otherwise.
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*/
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static unsigned longCommandWArg(const char** stringPtr, const char* longCommand)
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{
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size_t const comSize = strlen(longCommand);
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int const result = !strncmp(*stringPtr, longCommand, comSize);
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if (result) *stringPtr += comSize;
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return result;
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}
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#ifndef ZSTD_NODICT
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/**
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* parseCoverParameters() :
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* reads cover parameters from *stringPtr (e.g. "--train-cover=k=48,d=8,steps=32") into *params
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* @return 1 means that cover parameters were correct
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* @return 0 in case of malformed parameters
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*/
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static unsigned parseCoverParameters(const char* stringPtr, COVER_params_t* params)
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{
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memset(params, 0, sizeof(*params));
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for (; ;) {
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if (longCommandWArg(&stringPtr, "k=")) { params->k = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "d=")) { params->d = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "steps=")) { params->steps = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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return 0;
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}
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if (stringPtr[0] != 0) return 0;
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DISPLAYLEVEL(4, "cover: k=%u\nd=%u\nsteps=%u\n", params->k, params->d, params->steps);
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return 1;
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}
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/**
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* parseLegacyParameters() :
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* reads legacy dictioanry builter parameters from *stringPtr (e.g. "--train-legacy=selectivity=8") into *selectivity
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* @return 1 means that legacy dictionary builder parameters were correct
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* @return 0 in case of malformed parameters
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*/
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static unsigned parseLegacyParameters(const char* stringPtr, unsigned* selectivity)
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{
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if (!longCommandWArg(&stringPtr, "s=") && !longCommandWArg(&stringPtr, "selectivity=")) { return 0; }
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*selectivity = readU32FromChar(&stringPtr);
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if (stringPtr[0] != 0) return 0;
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DISPLAYLEVEL(4, "legacy: selectivity=%u\n", *selectivity);
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return 1;
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}
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static COVER_params_t defaultCoverParams(void)
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{
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COVER_params_t params;
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memset(¶ms, 0, sizeof(params));
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params.d = 8;
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params.steps = 4;
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return params;
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}
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#endif
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/** parseCompressionParameters() :
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* reads compression parameters from *stringPtr (e.g. "--zstd=wlog=23,clog=23,hlog=22,slog=6,slen=3,tlen=48,strat=6") into *params
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* @return 1 means that compression parameters were correct
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* @return 0 in case of malformed parameters
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*/
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static unsigned parseCompressionParameters(const char* stringPtr, ZSTD_compressionParameters* params)
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{
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for ( ; ;) {
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if (longCommandWArg(&stringPtr, "windowLog=") || longCommandWArg(&stringPtr, "wlog=")) { params->windowLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "chainLog=") || longCommandWArg(&stringPtr, "clog=")) { params->chainLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "hashLog=") || longCommandWArg(&stringPtr, "hlog=")) { params->hashLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "searchLog=") || longCommandWArg(&stringPtr, "slog=")) { params->searchLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "searchLength=") || longCommandWArg(&stringPtr, "slen=")) { params->searchLength = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "targetLength=") || longCommandWArg(&stringPtr, "tlen=")) { params->targetLength = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "strategy=") || longCommandWArg(&stringPtr, "strat=")) { params->strategy = (ZSTD_strategy)(1 + readU32FromChar(&stringPtr)); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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if (longCommandWArg(&stringPtr, "overlapLog=") || longCommandWArg(&stringPtr, "ovlog=")) { g_overlapLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
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return 0;
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}
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if (stringPtr[0] != 0) return 0; /* check the end of string */
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DISPLAYLEVEL(4, "windowLog=%d\nchainLog=%d\nhashLog=%d\nsearchLog=%d\n", params->windowLog, params->chainLog, params->hashLog, params->searchLog);
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DISPLAYLEVEL(4, "searchLength=%d\ntargetLength=%d\nstrategy=%d\n", params->searchLength, params->targetLength, params->strategy);
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return 1;
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}
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typedef enum { zom_compress, zom_decompress, zom_test, zom_bench, zom_train } zstd_operation_mode;
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#define CLEAN_RETURN(i) { operationResult = (i); goto _end; }
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int main(int argCount, const char* argv[])
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{
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int argNb,
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forceStdout=0,
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followLinks=0,
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main_pause=0,
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nextEntryIsDictionary=0,
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operationResult=0,
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nextArgumentIsOutFileName=0,
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nextArgumentIsMaxDict=0,
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nextArgumentIsDictID=0,
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nextArgumentsAreFiles=0,
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ultra=0,
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lastCommand = 0,
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nbThreads = 1,
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setRealTimePrio = 0;
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unsigned bench_nbSeconds = 3; /* would be better if this value was synchronized from bench */
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size_t blockSize = 0;
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zstd_operation_mode operation = zom_compress;
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ZSTD_compressionParameters compressionParams;
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int cLevel = ZSTDCLI_CLEVEL_DEFAULT;
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int cLevelLast = 1;
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unsigned recursive = 0;
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unsigned memLimit = 0;
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const char** filenameTable = (const char**)malloc(argCount * sizeof(const char*)); /* argCount >= 1 */
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unsigned filenameIdx = 0;
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const char* programName = argv[0];
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const char* outFileName = NULL;
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const char* dictFileName = NULL;
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const char* suffix = ZSTD_EXTENSION;
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unsigned maxDictSize = g_defaultMaxDictSize;
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unsigned dictID = 0;
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int dictCLevel = g_defaultDictCLevel;
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unsigned dictSelect = g_defaultSelectivityLevel;
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#ifdef UTIL_HAS_CREATEFILELIST
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const char** extendedFileList = NULL;
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char* fileNamesBuf = NULL;
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unsigned fileNamesNb;
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#endif
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#ifndef ZSTD_NODICT
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COVER_params_t coverParams = defaultCoverParams();
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int cover = 1;
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#endif
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/* init */
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(void)recursive; (void)cLevelLast; /* not used when ZSTD_NOBENCH set */
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(void)dictCLevel; (void)dictSelect; (void)dictID; (void)maxDictSize; /* not used when ZSTD_NODICT set */
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(void)ultra; (void)cLevel; /* not used when ZSTD_NOCOMPRESS set */
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(void)memLimit; /* not used when ZSTD_NODECOMPRESS set */
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if (filenameTable==NULL) { DISPLAY("zstd: %s \n", strerror(errno)); exit(1); }
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filenameTable[0] = stdinmark;
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g_displayOut = stderr;
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programName = lastNameFromPath(programName);
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/* preset behaviors */
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if (exeNameMatch(programName, ZSTD_ZSTDMT)) nbThreads=0;
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if (exeNameMatch(programName, ZSTD_UNZSTD)) operation=zom_decompress;
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if (exeNameMatch(programName, ZSTD_CAT)) { operation=zom_decompress; forceStdout=1; FIO_overwriteMode(); outFileName=stdoutmark; g_displayLevel=1; }
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if (exeNameMatch(programName, ZSTD_GZ)) { suffix = GZ_EXTENSION; FIO_setCompressionType(FIO_gzipCompression); FIO_setRemoveSrcFile(1); } /* behave like gzip */
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if (exeNameMatch(programName, ZSTD_GUNZIP)) { operation=zom_decompress; FIO_setRemoveSrcFile(1); } /* behave like gunzip */
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if (exeNameMatch(programName, ZSTD_GZCAT)) { operation=zom_decompress; forceStdout=1; FIO_overwriteMode(); outFileName=stdoutmark; g_displayLevel=1; } /* behave like gzcat */
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if (exeNameMatch(programName, ZSTD_LZMA)) { suffix = LZMA_EXTENSION; FIO_setCompressionType(FIO_lzmaCompression); FIO_setRemoveSrcFile(1); } /* behave like lzma */
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if (exeNameMatch(programName, ZSTD_XZ)) { suffix = XZ_EXTENSION; FIO_setCompressionType(FIO_xzCompression); FIO_setRemoveSrcFile(1); } /* behave like xz */
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memset(&compressionParams, 0, sizeof(compressionParams));
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/* command switches */
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for (argNb=1; argNb<argCount; argNb++) {
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const char* argument = argv[argNb];
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if(!argument) continue; /* Protection if argument empty */
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if (nextArgumentsAreFiles==0) {
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/* "-" means stdin/stdout */
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if (!strcmp(argument, "-")){
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if (!filenameIdx) {
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filenameIdx=1, filenameTable[0]=stdinmark;
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outFileName=stdoutmark;
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g_displayLevel-=(g_displayLevel==2);
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continue;
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} }
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/* Decode commands (note : aggregated commands are allowed) */
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if (argument[0]=='-') {
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if (argument[1]=='-') {
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/* long commands (--long-word) */
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if (!strcmp(argument, "--")) { nextArgumentsAreFiles=1; continue; } /* only file names allowed from now on */
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if (!strcmp(argument, "--compress")) { operation=zom_compress; continue; }
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if (!strcmp(argument, "--decompress")) { operation=zom_decompress; continue; }
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if (!strcmp(argument, "--uncompress")) { operation=zom_decompress; continue; }
|
|
if (!strcmp(argument, "--force")) { FIO_overwriteMode(); forceStdout=1; followLinks=1; continue; }
|
|
if (!strcmp(argument, "--version")) { g_displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); }
|
|
if (!strcmp(argument, "--help")) { g_displayOut=stdout; CLEAN_RETURN(usage_advanced(programName)); }
|
|
if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; }
|
|
if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; }
|
|
if (!strcmp(argument, "--stdout")) { forceStdout=1; outFileName=stdoutmark; g_displayLevel-=(g_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; } /* kept available for compatibility with old syntax ; will be removed one day */
|
|
if (!strcmp(argument, "--dictID")) { nextArgumentIsDictID=1; lastCommand=1; continue; } /* kept available for compatibility with old syntax ; will be removed one day */
|
|
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
|
|
#ifdef ZSTD_LZ4COMPRESS
|
|
if (!strcmp(argument, "--format=lz4")) { suffix = LZ4_EXTENSION; FIO_setCompressionType(FIO_lz4Compression); continue; }
|
|
#endif
|
|
|
|
/* long commands with arguments */
|
|
#ifndef ZSTD_NODICT
|
|
if (longCommandWArg(&argument, "--train-cover")) {
|
|
operation = zom_train;
|
|
outFileName = g_defaultDictName;
|
|
cover = 1;
|
|
/* 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;
|
|
}
|
|
if (longCommandWArg(&argument, "--train-legacy")) {
|
|
operation = zom_train;
|
|
outFileName = g_defaultDictName;
|
|
cover = 0;
|
|
/* Allow optional arguments following an = */
|
|
if (*argument == 0) { continue; }
|
|
else if (*argument++ != '=') { CLEAN_RETURN(badusage(programName)); }
|
|
else if (!parseLegacyParameters(argument, &dictSelect)) { CLEAN_RETURN(badusage(programName)); }
|
|
continue;
|
|
}
|
|
#endif
|
|
if (longCommandWArg(&argument, "--threads=")) { nbThreads = readU32FromChar(&argument); continue; }
|
|
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, "--maxdict=")) { maxDictSize = readU32FromChar(&argument); continue; }
|
|
if (longCommandWArg(&argument, "--dictID=")) { dictID = 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': g_displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); /* Version Only */
|
|
case 'H':
|
|
case 'h': g_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; followLinks=1; argument++; break;
|
|
|
|
/* Verbose mode */
|
|
case 'v': g_displayLevel++; argument++; break;
|
|
|
|
/* Quiet mode */
|
|
case 'q': g_displayLevel--; argument++; break;
|
|
|
|
/* keep source file (default) */
|
|
case 'k': FIO_setRemoveSrcFile(0); argument++; break;
|
|
|
|
/* Checksum */
|
|
case 'C': FIO_setChecksumFlag(2); argument++; 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) { /* kept available for compatibility with old syntax ; will be removed one day */
|
|
nextArgumentIsMaxDict = 0;
|
|
lastCommand = 0;
|
|
maxDictSize = readU32FromChar(&argument);
|
|
continue;
|
|
}
|
|
|
|
if (nextArgumentIsDictID) { /* kept available for compatibility with old syntax ; will be removed one day */
|
|
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
|
|
|
|
if (nbThreads == 0) {
|
|
/* try to guess */
|
|
nbThreads = UTIL_countPhysicalCores();
|
|
DISPLAYLEVEL(3, "Note: %d physical core(s) detected\n", nbThreads);
|
|
}
|
|
|
|
g_utilDisplayLevel = g_displayLevel;
|
|
if (!followLinks) {
|
|
unsigned u;
|
|
for (u=0, fileNamesNb=0; u<filenameIdx; u++) {
|
|
if (UTIL_isLink(filenameTable[u])) {
|
|
DISPLAYLEVEL(2, "Warning : %s is a symbolic link, ignoring\n", filenameTable[u]);
|
|
} else {
|
|
filenameTable[fileNamesNb++] = filenameTable[u];
|
|
}
|
|
}
|
|
filenameIdx = fileNamesNb;
|
|
}
|
|
#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, followLinks);
|
|
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(g_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) {
|
|
int const optimize = !coverParams.k || !coverParams.d;
|
|
coverParams.nbThreads = nbThreads;
|
|
coverParams.compressionLevel = dictCLevel;
|
|
coverParams.notificationLevel = g_displayLevel;
|
|
coverParams.dictID = dictID;
|
|
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenameTable, filenameIdx, NULL, &coverParams, optimize);
|
|
} else {
|
|
ZDICT_params_t dictParams;
|
|
memset(&dictParams, 0, sizeof(dictParams));
|
|
dictParams.compressionLevel = dictCLevel;
|
|
dictParams.selectivityLevel = dictSelect;
|
|
dictParams.notificationLevel = g_displayLevel;
|
|
dictParams.dictID = dictID;
|
|
operationResult = 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) && (g_displayLevel==2)) g_displayLevel=1;
|
|
if ((filenameIdx>1) & (g_displayLevel==2)) g_displayLevel=1;
|
|
|
|
/* IO Stream/File */
|
|
FIO_setNotificationLevel(g_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;
|
|
}
|