*/
static void usage(FILE* f, const char* programName)
{
- DISPLAY_F(f, "Usage : \n");
- DISPLAY_F(f, " %s [args] [FILE(s)] [-o file] \n", programName);
- DISPLAY_F(f, "\n");
- DISPLAY_F(f, "FILE : a filename \n");
- DISPLAY_F(f, " with no FILE, or when FILE is - , read standard input\n");
- DISPLAY_F(f, "Arguments : \n");
+ DISPLAY_F(f, "Usage: %s [OPTION]... [FILE]... [-o file]\n", programName);
+ DISPLAY_F(f, "Compress or uncompress FILEs (with no FILE or when FILE is `-`, read from standard input).\n\n");
+ DISPLAY_F(f, " -o file result stored into `file` (only 1 output file)\n");
#ifndef ZSTD_NOCOMPRESS
- DISPLAY_F(f, " -# : # compression level (1-%d, default: %d) \n", ZSTDCLI_CLEVEL_MAX, ZSTDCLI_CLEVEL_DEFAULT);
+ DISPLAY_F(f, " -1 .. -%d compression level (faster .. better; default: %d)\n", ZSTDCLI_CLEVEL_MAX, ZSTDCLI_CLEVEL_DEFAULT);
#endif
#ifndef ZSTD_NODECOMPRESS
- DISPLAY_F(f, " -d : decompression \n");
+ DISPLAY_F(f, " -d, --decompress decompression\n");
#endif
- DISPLAY_F(f, " -D DICT: use DICT as Dictionary for compression or decompression \n");
- DISPLAY_F(f, " -o file: result stored into `file` (only 1 output file) \n");
- DISPLAY_F(f, " -f : disable input and output checks. Allows overwriting existing files,\n");
- DISPLAY_F(f, " input from console, output to stdout, operating on links,\n");
- DISPLAY_F(f, " block devices, etc.\n");
- DISPLAY_F(f, "--rm : remove source file(s) after successful de/compression \n");
- DISPLAY_F(f, " -k : preserve source file(s) (default) \n");
+ DISPLAY_F(f, " -f, --force disable input and output checks. Allows overwriting existing files,\n");
+ DISPLAY_F(f, " input from console, output to stdout, operating on links,\n");
+ DISPLAY_F(f, " block devices, etc.\n");
+ DISPLAY_F(f, " --rm remove source file(s) after successful de/compression\n");
+ DISPLAY_F(f, " -k, --keep preserve source file(s) (default) \n");
#ifdef ZSTD_GZCOMPRESS
if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
- DISPLAY_F(f, " -n : do not store original filename when compressing \n");
+ DISPLAY_F(f, " -n, --no-name do not store original filename when compressing\n");
}
#endif
- DISPLAY_F(f, " -h/-H : display help/long help and exit \n");
+ DISPLAY_F(f, " -D DICT use DICT as Dictionary for compression or decompression\n");
+ DISPLAY_F(f, " -h display usage and exit\n");
+ DISPLAY_F(f, " -H,--help display long help and exit\n");
+ DISPLAY_F(f, "\n");
}
static void usage_advanced(const char* programName)
{
DISPLAYOUT(WELCOME_MESSAGE);
usage(stdout, programName);
- DISPLAYOUT( "\n");
- DISPLAYOUT( "Advanced arguments : \n");
- DISPLAYOUT( " -V : display Version number and exit \n");
+ DISPLAYOUT("Advanced options :\n");
+ DISPLAYOUT(" -V, --version display Version number and exit\n");
- DISPLAYOUT( " -c : write to standard output (even if it is the console), keep original file \n");
+ DISPLAYOUT(" -c, --stdout write to standard output (even if it is the console), keep original file\n");
- DISPLAYOUT( " -v : verbose mode; specify multiple times to increase verbosity \n");
- DISPLAYOUT( " -q : suppress warnings; specify twice to suppress errors too \n");
- DISPLAYOUT( "--[no-]progress : forcibly display, or never display the progress counter.\n");
- DISPLAYOUT( " note: any (de)compressed output to terminal will mix with progress counter text. \n");
+ DISPLAYOUT(" -v, --verbose verbose mode; specify multiple times to increase verbosity\n");
+ DISPLAYOUT(" -q, --quiet suppress warnings; specify twice to suppress errors too\n");
+ DISPLAYOUT(" --[no-]progress forcibly display, or never display the progress counter\n");
+ DISPLAYOUT(" note: any (de)compressed output to terminal will mix with progress counter text\n");
#ifdef UTIL_HAS_CREATEFILELIST
- DISPLAYOUT( " -r : operate recursively on directories \n");
- DISPLAYOUT( "--filelist FILE : read list of files to operate upon from FILE \n");
- DISPLAYOUT( "--output-dir-flat DIR : processed files are stored into DIR \n");
+ DISPLAYOUT(" -r operate recursively on directories\n");
+ DISPLAYOUT(" --filelist FILE read list of files to operate upon from FILE\n");
+ DISPLAYOUT(" --output-dir-flat DIR : processed files are stored into DIR\n");
#endif
#ifdef UTIL_HAS_MIRRORFILELIST
- DISPLAYOUT( "--output-dir-mirror DIR : processed files are stored into DIR respecting original directory structure \n");
+ DISPLAYOUT(" --output-dir-mirror DIR : processed files are stored into DIR respecting original directory structure\n");
#endif
if (AIO_supported())
- DISPLAYOUT( "--[no-]asyncio : use asynchronous IO (default: enabled) \n");
+ DISPLAYOUT(" --[no-]asyncio use asynchronous IO (default: enabled)\n");
#ifndef ZSTD_NOCOMPRESS
- DISPLAYOUT( "--[no-]check : during compression, add XXH64 integrity checksum to frame (default: enabled)");
+ DISPLAYOUT(" --[no-]check during compression, add XXH64 integrity checksum to frame (default: enabled)\n");
#ifndef ZSTD_NODECOMPRESS
- DISPLAYOUT( ". If specified with -d, decompressor will ignore/validate checksums in compressed frame (default: validate).");
+ DISPLAYOUT(" if specified with -d, decompressor will ignore/validate checksums in compressed frame (default: validate)\n");
#endif
#else
#ifdef ZSTD_NOCOMPRESS
- DISPLAYOUT( "--[no-]check : during decompression, ignore/validate checksums in compressed frame (default: validate).");
+ DISPLAYOUT(" --[no-]check during decompression, ignore/validate checksums in compressed frame (default: validate)");
#endif
+ DISPLAYOUT("\n");
#endif /* ZSTD_NOCOMPRESS */
#ifndef ZSTD_NOTRACE
- DISPLAYOUT( "\n");
- DISPLAYOUT( "--trace FILE : log tracing information to FILE.");
+ DISPLAYOUT(" --trace FILE log tracing information to FILE\n");
#endif
- DISPLAYOUT( "\n");
-
- DISPLAYOUT( "-- : All arguments after \"--\" are treated as files \n");
+ DISPLAYOUT(" -- all arguments after \"--\" are treated as files\n");
#ifndef ZSTD_NOCOMPRESS
- DISPLAYOUT( "\n");
- DISPLAYOUT( "Advanced compression arguments : \n");
- DISPLAYOUT( "--ultra : enable levels beyond %i, up to %i (requires more memory) \n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel());
- DISPLAYOUT( "--long[=#]: enable long distance matching with given window log (default: %u) \n", g_defaultMaxWindowLog);
- DISPLAYOUT( "--fast[=#]: switch to very fast compression levels (default: %u) \n", 1);
+ DISPLAYOUT("\n");
+ DISPLAYOUT("Advanced compression options :\n");
+ DISPLAYOUT(" --ultra enable levels beyond %i, up to %i (requires more memory)\n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel());
+ DISPLAYOUT(" --long[=#] enable long distance matching with given window log (default: %u)\n", g_defaultMaxWindowLog);
+ DISPLAYOUT(" --fast[=#] switch to very fast compression levels (default: %u)\n", 1);
#ifdef ZSTD_GZCOMPRESS
if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
- DISPLAYOUT( "--best : compatibility alias for -9 \n");
- DISPLAYOUT( "--no-name : do not store original filename when compressing \n");
+ DISPLAYOUT(" --best compatibility alias for -9 \n");
+ DISPLAYOUT(" --no-name do not store original filename when compressing\n");
}
#endif
- DISPLAYOUT( "--adapt : dynamically adapt compression level to I/O conditions \n");
- DISPLAYOUT( "--[no-]row-match-finder : force enable/disable usage of fast row-based matchfinder for greedy, lazy, and lazy2 strategies \n");
- DISPLAYOUT( "--patch-from=FILE : specify the file to be used as a reference point for zstd's diff engine. \n");
+ DISPLAYOUT(" --adapt dynamically adapt compression level to I/O conditions\n");
+ DISPLAYOUT(" --[no-]row-match-finder : force enable/disable usage of fast row-based matchfinder for greedy, lazy, and lazy2 strategies\n");
+ DISPLAYOUT(" --patch-from=FILE : specify the file to be used as a reference point for zstd's diff engine. \n");
# ifdef ZSTD_MULTITHREAD
- DISPLAYOUT( " -T# : spawns # compression threads (default: 1, 0==# cores) \n");
- DISPLAYOUT( " -B# : select size of each job (default: 0==automatic) \n");
- DISPLAYOUT( "--single-thread : use a single thread for both I/O and compression (result slightly different than -T1) \n");
- DISPLAYOUT( "--auto-threads={physical,logical} (default: physical} : use either physical cores or logical cores as default when specifying -T0 \n");
- DISPLAYOUT( "--rsyncable : compress using a rsync-friendly method (-B sets block size) \n");
+ DISPLAYOUT(" -T# spawn # compression threads (default: 1, 0==# cores) \n");
+ DISPLAYOUT(" -B# select size of each job (default: 0==automatic) \n");
+ DISPLAYOUT(" --single-thread use a single thread for both I/O and compression (result slightly different than -T1) \n");
+ DISPLAYOUT(" --auto-threads={physical,logical} : use either physical cores or logical cores as default when specifying -T0 (default: physical)\n");
+ DISPLAYOUT(" --rsyncable compress using a rsync-friendly method (-B sets block size) \n");
# endif
- DISPLAYOUT( "--exclude-compressed: only compress files that are not already compressed \n");
- DISPLAYOUT( "--stream-size=# : specify size of streaming input from `stdin` \n");
- DISPLAYOUT( "--size-hint=# optimize compression parameters for streaming input of approximately this size \n");
- DISPLAYOUT( "--target-compressed-block-size=# : generate compressed block of approximately targeted size \n");
- DISPLAYOUT( "--no-dictID : don't write dictID into header (dictionary compression only) \n");
- DISPLAYOUT( "--[no-]compress-literals : force (un)compressed literals \n");
-
- DISPLAYOUT( "--format=zstd : compress files to the .zst format (default) \n");
+ DISPLAYOUT(" --exclude-compressed : only compress files that are not already compressed \n");
+ DISPLAYOUT(" --stream-size=# specify size of streaming input from `stdin` \n");
+ DISPLAYOUT(" --size-hint=# optimize compression parameters for streaming input of approximately this size \n");
+ DISPLAYOUT(" --target-compressed-block-size=# : generate compressed block of approximately targeted size \n");
+ DISPLAYOUT(" --no-dictID don't write dictID into header (dictionary compression only)\n");
+ DISPLAYOUT(" --[no-]compress-literals : force (un)compressed literals\n");
+
+ DISPLAYOUT(" --format=zstd compress files to the .zst format (default)\n");
#ifdef ZSTD_GZCOMPRESS
- DISPLAYOUT( "--format=gzip : compress files to the .gz format \n");
+ DISPLAYOUT(" --format=gzip compress files to the .gz format\n");
#endif
#ifdef ZSTD_LZMACOMPRESS
- DISPLAYOUT( "--format=xz : compress files to the .xz format \n");
- DISPLAYOUT( "--format=lzma : compress files to the .lzma format \n");
+ DISPLAYOUT(" --format=xz compress files to the .xz format\n");
+ DISPLAYOUT(" --format=lzma compress files to the .lzma format\n");
#endif
#ifdef ZSTD_LZ4COMPRESS
- DISPLAYOUT( "--format=lz4 : compress files to the .lz4 format \n");
+ DISPLAYOUT( " --format=lz4 compress files to the .lz4 format\n");
#endif
#endif /* !ZSTD_NOCOMPRESS */
#ifndef ZSTD_NODECOMPRESS
- DISPLAYOUT( "\n");
- DISPLAYOUT( "Advanced decompression arguments : \n");
- DISPLAYOUT( " -l : print information about zstd compressed files \n");
- DISPLAYOUT( "--test : test compressed file integrity \n");
- DISPLAYOUT( " -M# : Set a memory usage limit for decompression \n");
+ DISPLAYOUT("\n");
+ DISPLAYOUT("Advanced decompression options :\n");
+ DISPLAYOUT(" -l print information about zstd compressed files\n");
+ DISPLAYOUT(" --test test compressed file integrity\n");
+ DISPLAYOUT(" -M# Set a memory usage limit for decompression\n");
# if ZSTD_SPARSE_DEFAULT
- DISPLAYOUT( "--[no-]sparse : sparse mode (default: enabled on file, disabled on stdout) \n");
+ DISPLAYOUT(" --[no-]sparse sparse mode (default: enabled on file, disabled on stdout)\n");
# else
- DISPLAYOUT( "--[no-]sparse : sparse mode (default: disabled) \n");
+ DISPLAYOUT(" --[no-]sparse sparse mode (default: disabled)\n");
# endif
#endif /* ZSTD_NODECOMPRESS */
#ifndef ZSTD_NODICT
- DISPLAYOUT( "\n");
- DISPLAYOUT( "Dictionary builder : \n");
- DISPLAYOUT( "--train ## : create a dictionary from a training set of files \n");
- DISPLAYOUT( "--train-cover[=k=#,d=#,steps=#,split=#,shrink[=#]] : use the cover algorithm with optional args \n");
- DISPLAYOUT( "--train-fastcover[=k=#,d=#,f=#,steps=#,split=#,accel=#,shrink[=#]] : use the fast cover algorithm with optional args \n");
- DISPLAYOUT( "--train-legacy[=s=#] : use the legacy algorithm with selectivity (default: %u) \n", g_defaultSelectivityLevel);
- DISPLAYOUT( " -o DICT : DICT is dictionary name (default: %s) \n", g_defaultDictName);
- DISPLAYOUT( "--maxdict=# : limit dictionary to specified size (default: %u) \n", g_defaultMaxDictSize);
- DISPLAYOUT( "--dictID=# : force dictionary ID to specified value (default: random) \n");
+ DISPLAYOUT("\n");
+ DISPLAYOUT("Dictionary builder :\n");
+ DISPLAYOUT(" --train ## create a dictionary from a training set of files\n");
+ DISPLAYOUT(" --train-cover[=k=#,d=#,steps=#,split=#,shrink[=#]] : use the cover algorithm with optional args\n");
+ DISPLAYOUT(" --train-fastcover[=k=#,d=#,f=#,steps=#,split=#,accel=#,shrink[=#]] : use the fast cover algorithm with optional args\n");
+ DISPLAYOUT(" --train-legacy[=s=#] : use the legacy algorithm with selectivity (default: %u)\n", g_defaultSelectivityLevel);
+ DISPLAYOUT(" -o DICT DICT is dictionary name (default: %s)\n", g_defaultDictName);
+ DISPLAYOUT(" --maxdict=# limit dictionary to specified size (default: %u)\n", g_defaultMaxDictSize);
+ DISPLAYOUT(" --dictID=# force dictionary ID to specified value (default: random)\n");
#endif
#ifndef ZSTD_NOBENCH
- DISPLAYOUT( "\n");
- DISPLAYOUT( "Benchmark arguments : \n");
- DISPLAYOUT( " -b# : benchmark file(s), using # compression level (default: %d) \n", ZSTDCLI_CLEVEL_DEFAULT);
- DISPLAYOUT( " -e# : test all compression levels successively from -b# to -e# (default: 1) \n");
- DISPLAYOUT( " -i# : minimum evaluation time in seconds (default: 3s) \n");
- DISPLAYOUT( " -B# : cut file into independent blocks of size # (default: no block) \n");
- DISPLAYOUT( " -S : output one benchmark result per input file (default: consolidated result) \n");
- DISPLAYOUT( "--priority=rt : set process priority to real-time \n");
+ DISPLAYOUT("\n");
+ DISPLAYOUT("Benchmark options : \n");
+ DISPLAYOUT(" -b# benchmark file(s), using # compression level (default: %d)\n", ZSTDCLI_CLEVEL_DEFAULT);
+ DISPLAYOUT(" -e# test all compression levels successively from -b# to -e# (default: 1)\n");
+ DISPLAYOUT(" -i# minimum evaluation time in seconds (default: 3s)\n");
+ DISPLAYOUT(" -B# cut file into independent blocks of size # (default: no block)\n");
+ DISPLAYOUT(" -S output one benchmark result per input file (default: consolidated result)\n");
+ DISPLAYOUT(" --priority=rt set process priority to real-time\n");
#endif
}
{
/* Display help */
case 'V': printVersion(); CLEAN_RETURN(0); /* Version Only */
- case 'H':
- case 'h': usage_advanced(programName); CLEAN_RETURN(0);
+ case 'H': usage_advanced(programName); CLEAN_RETURN(0);
+ case 'h': usage(stdout, programName); CLEAN_RETURN(0);
/* Compress */
case 'z': operation=zom_compress; argument++; break;
projects / thirdparty / zstd.git / commitdiff
