| 648db22b |
1 | /* |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This source code is licensed under both the BSD-style license (found in the |
| 6 | * LICENSE file in the root directory of this source tree) and the GPLv2 (found |
| 7 | * in the COPYING file in the root directory of this source tree). |
| 8 | * You may select, at your option, one of the above-listed licenses. |
| 9 | */ |
| 10 | |
| 11 | |
| 12 | /*-************************************ |
| 13 | * Tuning parameters |
| 14 | **************************************/ |
| 15 | #ifndef ZSTDCLI_CLEVEL_DEFAULT |
| 16 | # define ZSTDCLI_CLEVEL_DEFAULT 3 |
| 17 | #endif |
| 18 | |
| 19 | #ifndef ZSTDCLI_CLEVEL_MAX |
| 20 | # define ZSTDCLI_CLEVEL_MAX 19 /* without using --ultra */ |
| 21 | #endif |
| 22 | |
| 23 | #ifndef ZSTDCLI_NBTHREADS_DEFAULT |
| 24 | # define ZSTDCLI_NBTHREADS_DEFAULT 1 |
| 25 | #endif |
| 26 | |
| 27 | /*-************************************ |
| 28 | * Dependencies |
| 29 | **************************************/ |
| 30 | #include "platform.h" /* PLATFORM_POSIX_VERSION */ |
| 31 | #include "util.h" /* UTIL_HAS_CREATEFILELIST, UTIL_createFileList, UTIL_isConsole */ |
| 32 | #include <stdlib.h> /* getenv */ |
| 33 | #include <string.h> /* strcmp, strlen */ |
| 34 | #include <stdio.h> /* fprintf(), stdin, stdout, stderr */ |
| 35 | #include <errno.h> /* errno */ |
| 36 | #include <assert.h> /* assert */ |
| 37 | |
| 38 | #include "fileio.h" /* stdinmark, stdoutmark, ZSTD_EXTENSION */ |
| 39 | #ifndef ZSTD_NOBENCH |
| 40 | # include "benchzstd.h" /* BMK_benchFilesAdvanced */ |
| 41 | #endif |
| 42 | #ifndef ZSTD_NODICT |
| 43 | # include "dibio.h" /* ZDICT_cover_params_t, DiB_trainFromFiles() */ |
| 44 | #endif |
| 45 | #ifndef ZSTD_NOTRACE |
| 46 | # include "zstdcli_trace.h" |
| 47 | #endif |
| 48 | #include "../lib/zstd.h" /* ZSTD_VERSION_STRING, ZSTD_minCLevel, ZSTD_maxCLevel */ |
| 49 | #include "fileio_asyncio.h" |
| 50 | |
| 51 | |
| 52 | /*-************************************ |
| 53 | * Constants |
| 54 | **************************************/ |
| 55 | #define COMPRESSOR_NAME "Zstandard CLI" |
| 56 | #ifndef ZSTD_VERSION |
| 57 | # define ZSTD_VERSION "v" ZSTD_VERSION_STRING |
| 58 | #endif |
| 59 | #define AUTHOR "Yann Collet" |
| 60 | #define WELCOME_MESSAGE "*** %s (%i-bit) %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR |
| 61 | |
| 62 | #define ZSTD_ZSTDMT "zstdmt" |
| 63 | #define ZSTD_UNZSTD "unzstd" |
| 64 | #define ZSTD_CAT "zstdcat" |
| 65 | #define ZSTD_ZCAT "zcat" |
| 66 | #define ZSTD_GZ "gzip" |
| 67 | #define ZSTD_GUNZIP "gunzip" |
| 68 | #define ZSTD_GZCAT "gzcat" |
| 69 | #define ZSTD_LZMA "lzma" |
| 70 | #define ZSTD_UNLZMA "unlzma" |
| 71 | #define ZSTD_XZ "xz" |
| 72 | #define ZSTD_UNXZ "unxz" |
| 73 | #define ZSTD_LZ4 "lz4" |
| 74 | #define ZSTD_UNLZ4 "unlz4" |
| 75 | |
| 76 | #define KB *(1 <<10) |
| 77 | #define MB *(1 <<20) |
| 78 | #define GB *(1U<<30) |
| 79 | |
| 80 | #define DISPLAY_LEVEL_DEFAULT 2 |
| 81 | |
| 82 | static const char* g_defaultDictName = "dictionary"; |
| 83 | static const unsigned g_defaultMaxDictSize = 110 KB; |
| 84 | static const int g_defaultDictCLevel = 3; |
| 85 | static const unsigned g_defaultSelectivityLevel = 9; |
| 86 | static const unsigned g_defaultMaxWindowLog = 27; |
| 87 | #define OVERLAP_LOG_DEFAULT 9999 |
| 88 | #define LDM_PARAM_DEFAULT 9999 /* Default for parameters where 0 is valid */ |
| 89 | static U32 g_overlapLog = OVERLAP_LOG_DEFAULT; |
| 90 | static U32 g_ldmHashLog = 0; |
| 91 | static U32 g_ldmMinMatch = 0; |
| 92 | static U32 g_ldmHashRateLog = LDM_PARAM_DEFAULT; |
| 93 | static U32 g_ldmBucketSizeLog = LDM_PARAM_DEFAULT; |
| 94 | |
| 95 | |
| 96 | #define DEFAULT_ACCEL 1 |
| 97 | |
| 98 | typedef enum { cover, fastCover, legacy } dictType; |
| 99 | |
| 100 | /*-************************************ |
| 101 | * Display Macros |
| 102 | **************************************/ |
| 103 | #define DISPLAY_F(f, ...) fprintf((f), __VA_ARGS__) |
| 104 | #define DISPLAYOUT(...) DISPLAY_F(stdout, __VA_ARGS__) |
| 105 | #define DISPLAY(...) DISPLAY_F(stderr, __VA_ARGS__) |
| 106 | #define DISPLAYLEVEL(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } } |
| 107 | static int g_displayLevel = DISPLAY_LEVEL_DEFAULT; /* 0 : no display, 1: errors, 2 : + result + interaction + warnings, 3 : + progression, 4 : + information */ |
| 108 | |
| 109 | |
| 110 | /*-************************************ |
| 111 | * Check Version (when CLI linked to dynamic library) |
| 112 | **************************************/ |
| 113 | |
| 114 | /* Due to usage of experimental symbols and capabilities by the CLI, |
| 115 | * the CLI must be linked against a dynamic library of same version */ |
| 116 | static void checkLibVersion(void) |
| 117 | { |
| 118 | if (strcmp(ZSTD_VERSION_STRING, ZSTD_versionString())) { |
| 119 | DISPLAYLEVEL(1, "Error : incorrect library version (expecting : %s ; actual : %s ) \n", |
| 120 | ZSTD_VERSION_STRING, ZSTD_versionString()); |
| 121 | DISPLAYLEVEL(1, "Please update library to version %s, or use stand-alone zstd binary \n", |
| 122 | ZSTD_VERSION_STRING); |
| 123 | exit(1); |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | |
| 128 | /*! exeNameMatch() : |
| 129 | @return : a non-zero value if exeName matches test, excluding the extension |
| 130 | */ |
| 131 | static int exeNameMatch(const char* exeName, const char* test) |
| 132 | { |
| 133 | return !strncmp(exeName, test, strlen(test)) && |
| 134 | (exeName[strlen(test)] == '\0' || exeName[strlen(test)] == '.'); |
| 135 | } |
| 136 | |
| 137 | /*-************************************ |
| 138 | * Command Line |
| 139 | **************************************/ |
| 140 | /* print help either in `stderr` or `stdout` depending on originating request |
| 141 | * error (badusage) => stderr |
| 142 | * help (usage_advanced) => stdout |
| 143 | */ |
| 144 | static void usage(FILE* f, const char* programName) |
| 145 | { |
| 146 | DISPLAY_F(f, "Compress or decompress the INPUT file(s); reads from STDIN if INPUT is `-` or not provided.\n\n"); |
| 147 | DISPLAY_F(f, "Usage: %s [OPTIONS...] [INPUT... | -] [-o OUTPUT]\n\n", programName); |
| 148 | DISPLAY_F(f, "Options:\n"); |
| 149 | DISPLAY_F(f, " -o OUTPUT Write output to a single file, OUTPUT.\n"); |
| 150 | DISPLAY_F(f, " -k, --keep Preserve INPUT file(s). [Default] \n"); |
| 151 | DISPLAY_F(f, " --rm Remove INPUT file(s) after successful (de)compression.\n"); |
| 152 | #ifdef ZSTD_GZCOMPRESS |
| 153 | if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */ |
| 154 | DISPLAY_F(f, " -n, --no-name Do not store original filename when compressing.\n\n"); |
| 155 | } |
| 156 | #endif |
| 157 | DISPLAY_F(f, "\n"); |
| 158 | #ifndef ZSTD_NOCOMPRESS |
| 159 | DISPLAY_F(f, " -# Desired compression level, where `#` is a number between 1 and %d;\n", ZSTDCLI_CLEVEL_MAX); |
| 160 | DISPLAY_F(f, " lower numbers provide faster compression, higher numbers yield\n"); |
| 161 | DISPLAY_F(f, " better compression ratios. [Default: %d]\n\n", ZSTDCLI_CLEVEL_DEFAULT); |
| 162 | #endif |
| 163 | #ifndef ZSTD_NODECOMPRESS |
| 164 | DISPLAY_F(f, " -d, --decompress Perform decompression.\n"); |
| 165 | #endif |
| 166 | DISPLAY_F(f, " -D DICT Use DICT as the dictionary for compression or decompression.\n\n"); |
| 167 | DISPLAY_F(f, " -f, --force Disable input and output checks. Allows overwriting existing files,\n"); |
| 168 | DISPLAY_F(f, " receiving input from the console, printing output to STDOUT, and\n"); |
| 169 | DISPLAY_F(f, " operating on links, block devices, etc. Unrecognized formats will be\n"); |
| 170 | DISPLAY_F(f, " passed-through through as-is.\n\n"); |
| 171 | |
| 172 | DISPLAY_F(f, " -h Display short usage and exit.\n"); |
| 173 | DISPLAY_F(f, " -H, --help Display full help and exit.\n"); |
| 174 | DISPLAY_F(f, " -V, --version Display the program version and exit.\n"); |
| 175 | DISPLAY_F(f, "\n"); |
| 176 | } |
| 177 | |
| 178 | static void usage_advanced(const char* programName) |
| 179 | { |
| 180 | DISPLAYOUT(WELCOME_MESSAGE); |
| 181 | DISPLAYOUT("\n"); |
| 182 | usage(stdout, programName); |
| 183 | DISPLAYOUT("Advanced options:\n"); |
| 184 | DISPLAYOUT(" -c, --stdout Write to STDOUT (even if it is a console) and keep the INPUT file(s).\n\n"); |
| 185 | |
| 186 | DISPLAYOUT(" -v, --verbose Enable verbose output; pass multiple times to increase verbosity.\n"); |
| 187 | DISPLAYOUT(" -q, --quiet Suppress warnings; pass twice to suppress errors.\n"); |
| 188 | #ifndef ZSTD_NOTRACE |
| 189 | DISPLAYOUT(" --trace LOG Log tracing information to LOG.\n"); |
| 190 | #endif |
| 191 | DISPLAYOUT("\n"); |
| 192 | DISPLAYOUT(" --[no-]progress Forcibly show/hide the progress counter. NOTE: Any (de)compressed\n"); |
| 193 | DISPLAYOUT(" output to terminal will mix with progress counter text.\n\n"); |
| 194 | |
| 195 | #ifdef UTIL_HAS_CREATEFILELIST |
| 196 | DISPLAYOUT(" -r Operate recursively on directories.\n"); |
| 197 | DISPLAYOUT(" --filelist LIST Read a list of files to operate on from LIST.\n"); |
| 198 | DISPLAYOUT(" --output-dir-flat DIR Store processed files in DIR.\n"); |
| 199 | #endif |
| 200 | |
| 201 | #ifdef UTIL_HAS_MIRRORFILELIST |
| 202 | DISPLAYOUT(" --output-dir-mirror DIR Store processed files in DIR, respecting original directory structure.\n"); |
| 203 | #endif |
| 204 | if (AIO_supported()) |
| 205 | DISPLAYOUT(" --[no-]asyncio Use asynchronous IO. [Default: Enabled]\n"); |
| 206 | |
| 207 | DISPLAYOUT("\n"); |
| 208 | #ifndef ZSTD_NOCOMPRESS |
| 209 | DISPLAYOUT(" --[no-]check Add XXH64 integrity checksums during compression. [Default: Add, Validate]\n"); |
| 210 | #ifndef ZSTD_NODECOMPRESS |
| 211 | DISPLAYOUT(" If `-d` is present, ignore/validate checksums during decompression.\n"); |
| 212 | #endif |
| 213 | #else |
| 214 | #ifdef ZSTD_NOCOMPRESS |
| 215 | DISPLAYOUT(" --[no-]check Ignore/validate checksums during decompression. [Default: Validate]"); |
| 216 | #endif |
| 217 | #endif /* ZSTD_NOCOMPRESS */ |
| 218 | |
| 219 | DISPLAYOUT("\n"); |
| 220 | DISPLAYOUT(" -- Treat remaining arguments after `--` as files.\n"); |
| 221 | |
| 222 | #ifndef ZSTD_NOCOMPRESS |
| 223 | DISPLAYOUT("\n"); |
| 224 | DISPLAYOUT("Advanced compression options:\n"); |
| 225 | DISPLAYOUT(" --ultra Enable levels beyond %i, up to %i; requires more memory.\n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel()); |
| 226 | DISPLAYOUT(" --fast[=#] Use to very fast compression levels. [Default: %u]\n", 1); |
| 227 | #ifdef ZSTD_GZCOMPRESS |
| 228 | if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */ |
| 229 | DISPLAYOUT(" --best Compatibility alias for `-9`.\n"); |
| 230 | } |
| 231 | #endif |
| 232 | DISPLAYOUT(" --adapt Dynamically adapt compression level to I/O conditions.\n"); |
| 233 | DISPLAYOUT(" --long[=#] Enable long distance matching with window log #. [Default: %u]\n", g_defaultMaxWindowLog); |
| 234 | DISPLAYOUT(" --patch-from=REF Use REF as the reference point for Zstandard's diff engine. \n\n"); |
| 235 | # ifdef ZSTD_MULTITHREAD |
| 236 | DISPLAYOUT(" -T# Spawn # compression threads. [Default: 1; pass 0 for core count.]\n"); |
| 237 | DISPLAYOUT(" --single-thread Share a single thread for I/O and compression (slightly different than `-T1`).\n"); |
| 238 | DISPLAYOUT(" --auto-threads={physical|logical}\n"); |
| 239 | DISPLAYOUT(" Use physical/logical cores when using `-T0`. [Default: Physical]\n\n"); |
| 240 | DISPLAYOUT(" -B# Set job size to #. [Default: 0 (automatic)]\n"); |
| 241 | DISPLAYOUT(" --rsyncable Compress using a rsync-friendly method (`-B` sets block size). \n"); |
| 242 | DISPLAYOUT("\n"); |
| 243 | # endif |
| 244 | DISPLAYOUT(" --exclude-compressed Only compress files that are not already compressed.\n\n"); |
| 245 | |
| 246 | DISPLAYOUT(" --stream-size=# Specify size of streaming input from STDIN.\n"); |
| 247 | DISPLAYOUT(" --size-hint=# Optimize compression parameters for streaming input of approximately size #.\n"); |
| 248 | DISPLAYOUT(" --target-compressed-block-size=#\n"); |
| 249 | DISPLAYOUT(" Generate compressed blocks of approximately # size.\n\n"); |
| 250 | DISPLAYOUT(" --no-dictID Don't write `dictID` into the header (dictionary compression only).\n"); |
| 251 | DISPLAYOUT(" --[no-]compress-literals Force (un)compressed literals.\n"); |
| 252 | DISPLAYOUT(" --[no-]row-match-finder Explicitly enable/disable the fast, row-based matchfinder for\n"); |
| 253 | DISPLAYOUT(" the 'greedy', 'lazy', and 'lazy2' strategies.\n"); |
| 254 | |
| 255 | DISPLAYOUT("\n"); |
| 256 | DISPLAYOUT(" --format=zstd Compress files to the `.zst` format. [Default]\n"); |
| 257 | DISPLAYOUT(" --mmap-dict Memory-map dictionary file rather than mallocing and loading all at once"); |
| 258 | #ifdef ZSTD_GZCOMPRESS |
| 259 | DISPLAYOUT(" --format=gzip Compress files to the `.gz` format.\n"); |
| 260 | #endif |
| 261 | #ifdef ZSTD_LZMACOMPRESS |
| 262 | DISPLAYOUT(" --format=xz Compress files to the `.xz` format.\n"); |
| 263 | DISPLAYOUT(" --format=lzma Compress files to the `.lzma` format.\n"); |
| 264 | #endif |
| 265 | #ifdef ZSTD_LZ4COMPRESS |
| 266 | DISPLAYOUT( " --format=lz4 Compress files to the `.lz4` format.\n"); |
| 267 | #endif |
| 268 | #endif /* !ZSTD_NOCOMPRESS */ |
| 269 | |
| 270 | #ifndef ZSTD_NODECOMPRESS |
| 271 | DISPLAYOUT("\n"); |
| 272 | DISPLAYOUT("Advanced decompression options:\n"); |
| 273 | DISPLAYOUT(" -l Print information about Zstandard-compressed files.\n"); |
| 274 | DISPLAYOUT(" --test Test compressed file integrity.\n"); |
| 275 | DISPLAYOUT(" -M# Set the memory usage limit to # megabytes.\n"); |
| 276 | # if ZSTD_SPARSE_DEFAULT |
| 277 | DISPLAYOUT(" --[no-]sparse Enable sparse mode. [Default: Enabled for files, disabled for STDOUT.]\n"); |
| 278 | # else |
| 279 | DISPLAYOUT(" --[no-]sparse Enable sparse mode. [Default: Disabled]\n"); |
| 280 | # endif |
| 281 | { |
| 282 | char const* passThroughDefault = "Disabled"; |
| 283 | if (exeNameMatch(programName, ZSTD_CAT) || |
| 284 | exeNameMatch(programName, ZSTD_ZCAT) || |
| 285 | exeNameMatch(programName, ZSTD_GZCAT)) { |
| 286 | passThroughDefault = "Enabled"; |
| 287 | } |
| 288 | DISPLAYOUT(" --[no-]pass-through Pass through uncompressed files as-is. [Default: %s]\n", passThroughDefault); |
| 289 | } |
| 290 | #endif /* ZSTD_NODECOMPRESS */ |
| 291 | |
| 292 | #ifndef ZSTD_NODICT |
| 293 | DISPLAYOUT("\n"); |
| 294 | DISPLAYOUT("Dictionary builder:\n"); |
| 295 | DISPLAYOUT(" --train Create a dictionary from a training set of files.\n\n"); |
| 296 | DISPLAYOUT(" --train-cover[=k=#,d=#,steps=#,split=#,shrink[=#]]\n"); |
| 297 | DISPLAYOUT(" Use the cover algorithm (with optional arguments).\n"); |
| 298 | DISPLAYOUT(" --train-fastcover[=k=#,d=#,f=#,steps=#,split=#,accel=#,shrink[=#]]\n"); |
| 299 | DISPLAYOUT(" Use the fast cover algorithm (with optional arguments).\n\n"); |
| 300 | DISPLAYOUT(" --train-legacy[=s=#] Use the legacy algorithm with selectivity #. [Default: %u]\n", g_defaultSelectivityLevel); |
| 301 | DISPLAYOUT(" -o NAME Use NAME as dictionary name. [Default: %s]\n", g_defaultDictName); |
| 302 | DISPLAYOUT(" --maxdict=# Limit dictionary to specified size #. [Default: %u]\n", g_defaultMaxDictSize); |
| 303 | DISPLAYOUT(" --dictID=# Force dictionary ID to #. [Default: Random]\n"); |
| 304 | #endif |
| 305 | |
| 306 | #ifndef ZSTD_NOBENCH |
| 307 | DISPLAYOUT("\n"); |
| 308 | DISPLAYOUT("Benchmark options:\n"); |
| 309 | DISPLAYOUT(" -b# Perform benchmarking with compression level #. [Default: %d]\n", ZSTDCLI_CLEVEL_DEFAULT); |
| 310 | DISPLAYOUT(" -e# Test all compression levels up to #; starting level is `-b#`. [Default: 1]\n"); |
| 311 | DISPLAYOUT(" -i# Set the minimum evaluation to time # seconds. [Default: 3]\n"); |
| 312 | DISPLAYOUT(" -B# Cut file into independent chunks of size #. [Default: No chunking]\n"); |
| 313 | DISPLAYOUT(" -S Output one benchmark result per input file. [Default: Consolidated result]\n"); |
| 314 | DISPLAYOUT(" --priority=rt Set process priority to real-time.\n"); |
| 315 | #endif |
| 316 | |
| 317 | } |
| 318 | |
| 319 | static void badusage(const char* programName) |
| 320 | { |
| 321 | DISPLAYLEVEL(1, "Incorrect parameters \n"); |
| 322 | if (g_displayLevel >= 2) usage(stderr, programName); |
| 323 | } |
| 324 | |
| 325 | static void waitEnter(void) |
| 326 | { |
| 327 | int unused; |
| 328 | DISPLAY("Press enter to continue... \n"); |
| 329 | unused = getchar(); |
| 330 | (void)unused; |
| 331 | } |
| 332 | |
| 333 | static const char* lastNameFromPath(const char* path) |
| 334 | { |
| 335 | const char* name = path; |
| 336 | if (strrchr(name, '/')) name = strrchr(name, '/') + 1; |
| 337 | if (strrchr(name, '\\')) name = strrchr(name, '\\') + 1; /* windows */ |
| 338 | return name; |
| 339 | } |
| 340 | |
| 341 | static void errorOut(const char* msg) |
| 342 | { |
| 343 | DISPLAYLEVEL(1, "%s \n", msg); exit(1); |
| 344 | } |
| 345 | |
| 346 | /*! readU32FromCharChecked() : |
| 347 | * @return 0 if success, and store the result in *value. |
| 348 | * allows and interprets K, KB, KiB, M, MB and MiB suffix. |
| 349 | * Will also modify `*stringPtr`, advancing it to position where it stopped reading. |
| 350 | * @return 1 if an overflow error occurs */ |
| 351 | static int readU32FromCharChecked(const char** stringPtr, unsigned* value) |
| 352 | { |
| 353 | unsigned result = 0; |
| 354 | while ((**stringPtr >='0') && (**stringPtr <='9')) { |
| 355 | unsigned const max = ((unsigned)(-1)) / 10; |
| 356 | unsigned last = result; |
| 357 | if (result > max) return 1; /* overflow error */ |
| 358 | result *= 10; |
| 359 | result += (unsigned)(**stringPtr - '0'); |
| 360 | if (result < last) return 1; /* overflow error */ |
| 361 | (*stringPtr)++ ; |
| 362 | } |
| 363 | if ((**stringPtr=='K') || (**stringPtr=='M')) { |
| 364 | unsigned const maxK = ((unsigned)(-1)) >> 10; |
| 365 | if (result > maxK) return 1; /* overflow error */ |
| 366 | result <<= 10; |
| 367 | if (**stringPtr=='M') { |
| 368 | if (result > maxK) return 1; /* overflow error */ |
| 369 | result <<= 10; |
| 370 | } |
| 371 | (*stringPtr)++; /* skip `K` or `M` */ |
| 372 | if (**stringPtr=='i') (*stringPtr)++; |
| 373 | if (**stringPtr=='B') (*stringPtr)++; |
| 374 | } |
| 375 | *value = result; |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | /*! readU32FromChar() : |
| 380 | * @return : unsigned integer value read from input in `char` format. |
| 381 | * allows and interprets K, KB, KiB, M, MB and MiB suffix. |
| 382 | * Will also modify `*stringPtr`, advancing it to position where it stopped reading. |
| 383 | * Note : function will exit() program if digit sequence overflows */ |
| 384 | static unsigned readU32FromChar(const char** stringPtr) { |
| 385 | static const char errorMsg[] = "error: numeric value overflows 32-bit unsigned int"; |
| 386 | unsigned result; |
| 387 | if (readU32FromCharChecked(stringPtr, &result)) { errorOut(errorMsg); } |
| 388 | return result; |
| 389 | } |
| 390 | |
| 391 | /*! readIntFromChar() : |
| 392 | * @return : signed integer value read from input in `char` format. |
| 393 | * allows and interprets K, KB, KiB, M, MB and MiB suffix. |
| 394 | * Will also modify `*stringPtr`, advancing it to position where it stopped reading. |
| 395 | * Note : function will exit() program if digit sequence overflows */ |
| 396 | static int readIntFromChar(const char** stringPtr) { |
| 397 | static const char errorMsg[] = "error: numeric value overflows 32-bit int"; |
| 398 | int sign = 1; |
| 399 | unsigned result; |
| 400 | if (**stringPtr=='-') { |
| 401 | (*stringPtr)++; |
| 402 | sign = -1; |
| 403 | } |
| 404 | if (readU32FromCharChecked(stringPtr, &result)) { errorOut(errorMsg); } |
| 405 | return (int) result * sign; |
| 406 | } |
| 407 | |
| 408 | /*! readSizeTFromCharChecked() : |
| 409 | * @return 0 if success, and store the result in *value. |
| 410 | * allows and interprets K, KB, KiB, M, MB and MiB suffix. |
| 411 | * Will also modify `*stringPtr`, advancing it to position where it stopped reading. |
| 412 | * @return 1 if an overflow error occurs */ |
| 413 | static int readSizeTFromCharChecked(const char** stringPtr, size_t* value) |
| 414 | { |
| 415 | size_t result = 0; |
| 416 | while ((**stringPtr >='0') && (**stringPtr <='9')) { |
| 417 | size_t const max = ((size_t)(-1)) / 10; |
| 418 | size_t last = result; |
| 419 | if (result > max) return 1; /* overflow error */ |
| 420 | result *= 10; |
| 421 | result += (size_t)(**stringPtr - '0'); |
| 422 | if (result < last) return 1; /* overflow error */ |
| 423 | (*stringPtr)++ ; |
| 424 | } |
| 425 | if ((**stringPtr=='K') || (**stringPtr=='M')) { |
| 426 | size_t const maxK = ((size_t)(-1)) >> 10; |
| 427 | if (result > maxK) return 1; /* overflow error */ |
| 428 | result <<= 10; |
| 429 | if (**stringPtr=='M') { |
| 430 | if (result > maxK) return 1; /* overflow error */ |
| 431 | result <<= 10; |
| 432 | } |
| 433 | (*stringPtr)++; /* skip `K` or `M` */ |
| 434 | if (**stringPtr=='i') (*stringPtr)++; |
| 435 | if (**stringPtr=='B') (*stringPtr)++; |
| 436 | } |
| 437 | *value = result; |
| 438 | return 0; |
| 439 | } |
| 440 | |
| 441 | /*! readSizeTFromChar() : |
| 442 | * @return : size_t value read from input in `char` format. |
| 443 | * allows and interprets K, KB, KiB, M, MB and MiB suffix. |
| 444 | * Will also modify `*stringPtr`, advancing it to position where it stopped reading. |
| 445 | * Note : function will exit() program if digit sequence overflows */ |
| 446 | static size_t readSizeTFromChar(const char** stringPtr) { |
| 447 | static const char errorMsg[] = "error: numeric value overflows size_t"; |
| 448 | size_t result; |
| 449 | if (readSizeTFromCharChecked(stringPtr, &result)) { errorOut(errorMsg); } |
| 450 | return result; |
| 451 | } |
| 452 | |
| 453 | /** longCommandWArg() : |
| 454 | * check if *stringPtr is the same as longCommand. |
| 455 | * If yes, @return 1 and advances *stringPtr to the position which immediately follows longCommand. |
| 456 | * @return 0 and doesn't modify *stringPtr otherwise. |
| 457 | */ |
| 458 | static int longCommandWArg(const char** stringPtr, const char* longCommand) |
| 459 | { |
| 460 | size_t const comSize = strlen(longCommand); |
| 461 | int const result = !strncmp(*stringPtr, longCommand, comSize); |
| 462 | if (result) *stringPtr += comSize; |
| 463 | return result; |
| 464 | } |
| 465 | |
| 466 | |
| 467 | #ifndef ZSTD_NODICT |
| 468 | |
| 469 | static const unsigned kDefaultRegression = 1; |
| 470 | /** |
| 471 | * parseCoverParameters() : |
| 472 | * reads cover parameters from *stringPtr (e.g. "--train-cover=k=48,d=8,steps=32") into *params |
| 473 | * @return 1 means that cover parameters were correct |
| 474 | * @return 0 in case of malformed parameters |
| 475 | */ |
| 476 | static unsigned parseCoverParameters(const char* stringPtr, ZDICT_cover_params_t* params) |
| 477 | { |
| 478 | memset(params, 0, sizeof(*params)); |
| 479 | for (; ;) { |
| 480 | if (longCommandWArg(&stringPtr, "k=")) { params->k = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 481 | if (longCommandWArg(&stringPtr, "d=")) { params->d = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 482 | if (longCommandWArg(&stringPtr, "steps=")) { params->steps = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 483 | if (longCommandWArg(&stringPtr, "split=")) { |
| 484 | unsigned splitPercentage = readU32FromChar(&stringPtr); |
| 485 | params->splitPoint = (double)splitPercentage / 100.0; |
| 486 | if (stringPtr[0]==',') { stringPtr++; continue; } else break; |
| 487 | } |
| 488 | if (longCommandWArg(&stringPtr, "shrink")) { |
| 489 | params->shrinkDictMaxRegression = kDefaultRegression; |
| 490 | params->shrinkDict = 1; |
| 491 | if (stringPtr[0]=='=') { |
| 492 | stringPtr++; |
| 493 | params->shrinkDictMaxRegression = readU32FromChar(&stringPtr); |
| 494 | } |
| 495 | if (stringPtr[0]==',') { |
| 496 | stringPtr++; |
| 497 | continue; |
| 498 | } |
| 499 | else break; |
| 500 | } |
| 501 | return 0; |
| 502 | } |
| 503 | if (stringPtr[0] != 0) return 0; |
| 504 | DISPLAYLEVEL(4, "cover: k=%u\nd=%u\nsteps=%u\nsplit=%u\nshrink%u\n", params->k, params->d, params->steps, (unsigned)(params->splitPoint * 100), params->shrinkDictMaxRegression); |
| 505 | return 1; |
| 506 | } |
| 507 | |
| 508 | /** |
| 509 | * parseFastCoverParameters() : |
| 510 | * reads fastcover parameters from *stringPtr (e.g. "--train-fastcover=k=48,d=8,f=20,steps=32,accel=2") into *params |
| 511 | * @return 1 means that fastcover parameters were correct |
| 512 | * @return 0 in case of malformed parameters |
| 513 | */ |
| 514 | static unsigned parseFastCoverParameters(const char* stringPtr, ZDICT_fastCover_params_t* params) |
| 515 | { |
| 516 | memset(params, 0, sizeof(*params)); |
| 517 | for (; ;) { |
| 518 | if (longCommandWArg(&stringPtr, "k=")) { params->k = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 519 | if (longCommandWArg(&stringPtr, "d=")) { params->d = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 520 | if (longCommandWArg(&stringPtr, "f=")) { params->f = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 521 | if (longCommandWArg(&stringPtr, "steps=")) { params->steps = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 522 | if (longCommandWArg(&stringPtr, "accel=")) { params->accel = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 523 | if (longCommandWArg(&stringPtr, "split=")) { |
| 524 | unsigned splitPercentage = readU32FromChar(&stringPtr); |
| 525 | params->splitPoint = (double)splitPercentage / 100.0; |
| 526 | if (stringPtr[0]==',') { stringPtr++; continue; } else break; |
| 527 | } |
| 528 | if (longCommandWArg(&stringPtr, "shrink")) { |
| 529 | params->shrinkDictMaxRegression = kDefaultRegression; |
| 530 | params->shrinkDict = 1; |
| 531 | if (stringPtr[0]=='=') { |
| 532 | stringPtr++; |
| 533 | params->shrinkDictMaxRegression = readU32FromChar(&stringPtr); |
| 534 | } |
| 535 | if (stringPtr[0]==',') { |
| 536 | stringPtr++; |
| 537 | continue; |
| 538 | } |
| 539 | else break; |
| 540 | } |
| 541 | return 0; |
| 542 | } |
| 543 | if (stringPtr[0] != 0) return 0; |
| 544 | DISPLAYLEVEL(4, "cover: k=%u\nd=%u\nf=%u\nsteps=%u\nsplit=%u\naccel=%u\nshrink=%u\n", params->k, params->d, params->f, params->steps, (unsigned)(params->splitPoint * 100), params->accel, params->shrinkDictMaxRegression); |
| 545 | return 1; |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * parseLegacyParameters() : |
| 550 | * reads legacy dictionary builder parameters from *stringPtr (e.g. "--train-legacy=selectivity=8") into *selectivity |
| 551 | * @return 1 means that legacy dictionary builder parameters were correct |
| 552 | * @return 0 in case of malformed parameters |
| 553 | */ |
| 554 | static unsigned parseLegacyParameters(const char* stringPtr, unsigned* selectivity) |
| 555 | { |
| 556 | if (!longCommandWArg(&stringPtr, "s=") && !longCommandWArg(&stringPtr, "selectivity=")) { return 0; } |
| 557 | *selectivity = readU32FromChar(&stringPtr); |
| 558 | if (stringPtr[0] != 0) return 0; |
| 559 | DISPLAYLEVEL(4, "legacy: selectivity=%u\n", *selectivity); |
| 560 | return 1; |
| 561 | } |
| 562 | |
| 563 | static ZDICT_cover_params_t defaultCoverParams(void) |
| 564 | { |
| 565 | ZDICT_cover_params_t params; |
| 566 | memset(¶ms, 0, sizeof(params)); |
| 567 | params.d = 8; |
| 568 | params.steps = 4; |
| 569 | params.splitPoint = 1.0; |
| 570 | params.shrinkDict = 0; |
| 571 | params.shrinkDictMaxRegression = kDefaultRegression; |
| 572 | return params; |
| 573 | } |
| 574 | |
| 575 | static ZDICT_fastCover_params_t defaultFastCoverParams(void) |
| 576 | { |
| 577 | ZDICT_fastCover_params_t params; |
| 578 | memset(¶ms, 0, sizeof(params)); |
| 579 | params.d = 8; |
| 580 | params.f = 20; |
| 581 | params.steps = 4; |
| 582 | params.splitPoint = 0.75; /* different from default splitPoint of cover */ |
| 583 | params.accel = DEFAULT_ACCEL; |
| 584 | params.shrinkDict = 0; |
| 585 | params.shrinkDictMaxRegression = kDefaultRegression; |
| 586 | return params; |
| 587 | } |
| 588 | #endif |
| 589 | |
| 590 | |
| 591 | /** parseAdaptParameters() : |
| 592 | * reads adapt parameters from *stringPtr (e.g. "--zstd=min=1,max=19) and store them into adaptMinPtr and adaptMaxPtr. |
| 593 | * Both adaptMinPtr and adaptMaxPtr must be already allocated and correctly initialized. |
| 594 | * There is no guarantee that any of these values will be updated. |
| 595 | * @return 1 means that parsing was successful, |
| 596 | * @return 0 in case of malformed parameters |
| 597 | */ |
| 598 | static unsigned parseAdaptParameters(const char* stringPtr, int* adaptMinPtr, int* adaptMaxPtr) |
| 599 | { |
| 600 | for ( ; ;) { |
| 601 | if (longCommandWArg(&stringPtr, "min=")) { *adaptMinPtr = readIntFromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 602 | if (longCommandWArg(&stringPtr, "max=")) { *adaptMaxPtr = readIntFromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 603 | DISPLAYLEVEL(4, "invalid compression parameter \n"); |
| 604 | return 0; |
| 605 | } |
| 606 | if (stringPtr[0] != 0) return 0; /* check the end of string */ |
| 607 | if (*adaptMinPtr > *adaptMaxPtr) { |
| 608 | DISPLAYLEVEL(4, "incoherent adaptation limits \n"); |
| 609 | return 0; |
| 610 | } |
| 611 | return 1; |
| 612 | } |
| 613 | |
| 614 | |
| 615 | /** parseCompressionParameters() : |
| 616 | * reads compression parameters from *stringPtr (e.g. "--zstd=wlog=23,clog=23,hlog=22,slog=6,mml=3,tlen=48,strat=6") into *params |
| 617 | * @return 1 means that compression parameters were correct |
| 618 | * @return 0 in case of malformed parameters |
| 619 | */ |
| 620 | static unsigned parseCompressionParameters(const char* stringPtr, ZSTD_compressionParameters* params) |
| 621 | { |
| 622 | for ( ; ;) { |
| 623 | if (longCommandWArg(&stringPtr, "windowLog=") || longCommandWArg(&stringPtr, "wlog=")) { params->windowLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 624 | if (longCommandWArg(&stringPtr, "chainLog=") || longCommandWArg(&stringPtr, "clog=")) { params->chainLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 625 | if (longCommandWArg(&stringPtr, "hashLog=") || longCommandWArg(&stringPtr, "hlog=")) { params->hashLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 626 | if (longCommandWArg(&stringPtr, "searchLog=") || longCommandWArg(&stringPtr, "slog=")) { params->searchLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 627 | if (longCommandWArg(&stringPtr, "minMatch=") || longCommandWArg(&stringPtr, "mml=")) { params->minMatch = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 628 | if (longCommandWArg(&stringPtr, "targetLength=") || longCommandWArg(&stringPtr, "tlen=")) { params->targetLength = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 629 | if (longCommandWArg(&stringPtr, "strategy=") || longCommandWArg(&stringPtr, "strat=")) { params->strategy = (ZSTD_strategy)(readU32FromChar(&stringPtr)); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 630 | if (longCommandWArg(&stringPtr, "overlapLog=") || longCommandWArg(&stringPtr, "ovlog=")) { g_overlapLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 631 | if (longCommandWArg(&stringPtr, "ldmHashLog=") || longCommandWArg(&stringPtr, "lhlog=")) { g_ldmHashLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 632 | if (longCommandWArg(&stringPtr, "ldmMinMatch=") || longCommandWArg(&stringPtr, "lmml=")) { g_ldmMinMatch = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 633 | if (longCommandWArg(&stringPtr, "ldmBucketSizeLog=") || longCommandWArg(&stringPtr, "lblog=")) { g_ldmBucketSizeLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 634 | if (longCommandWArg(&stringPtr, "ldmHashRateLog=") || longCommandWArg(&stringPtr, "lhrlog=")) { g_ldmHashRateLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; } |
| 635 | DISPLAYLEVEL(4, "invalid compression parameter \n"); |
| 636 | return 0; |
| 637 | } |
| 638 | |
| 639 | DISPLAYLEVEL(4, "windowLog=%d, chainLog=%d, hashLog=%d, searchLog=%d \n", params->windowLog, params->chainLog, params->hashLog, params->searchLog); |
| 640 | DISPLAYLEVEL(4, "minMatch=%d, targetLength=%d, strategy=%d \n", params->minMatch, params->targetLength, params->strategy); |
| 641 | if (stringPtr[0] != 0) return 0; /* check the end of string */ |
| 642 | return 1; |
| 643 | } |
| 644 | |
| 645 | static void printVersion(void) |
| 646 | { |
| 647 | if (g_displayLevel < DISPLAY_LEVEL_DEFAULT) { |
| 648 | DISPLAYOUT("%s\n", ZSTD_VERSION_STRING); |
| 649 | return; |
| 650 | } |
| 651 | |
| 652 | DISPLAYOUT(WELCOME_MESSAGE); |
| 653 | if (g_displayLevel >= 3) { |
| 654 | /* format support */ |
| 655 | DISPLAYOUT("*** supports: zstd"); |
| 656 | #if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT>0) && (ZSTD_LEGACY_SUPPORT<8) |
| 657 | DISPLAYOUT(", zstd legacy v0.%d+", ZSTD_LEGACY_SUPPORT); |
| 658 | #endif |
| 659 | #ifdef ZSTD_GZCOMPRESS |
| 660 | DISPLAYOUT(", gzip"); |
| 661 | #endif |
| 662 | #ifdef ZSTD_LZ4COMPRESS |
| 663 | DISPLAYOUT(", lz4"); |
| 664 | #endif |
| 665 | #ifdef ZSTD_LZMACOMPRESS |
| 666 | DISPLAYOUT(", lzma, xz "); |
| 667 | #endif |
| 668 | DISPLAYOUT("\n"); |
| 669 | if (g_displayLevel >= 4) { |
| 670 | /* library versions */ |
| 671 | DISPLAYOUT("zlib version %s\n", FIO_zlibVersion()); |
| 672 | DISPLAYOUT("lz4 version %s\n", FIO_lz4Version()); |
| 673 | DISPLAYOUT("lzma version %s\n", FIO_lzmaVersion()); |
| 674 | |
| 675 | /* posix support */ |
| 676 | #ifdef _POSIX_C_SOURCE |
| 677 | DISPLAYOUT("_POSIX_C_SOURCE defined: %ldL\n", (long) _POSIX_C_SOURCE); |
| 678 | #endif |
| 679 | #ifdef _POSIX_VERSION |
| 680 | DISPLAYOUT("_POSIX_VERSION defined: %ldL \n", (long) _POSIX_VERSION); |
| 681 | #endif |
| 682 | #ifdef PLATFORM_POSIX_VERSION |
| 683 | DISPLAYOUT("PLATFORM_POSIX_VERSION defined: %ldL\n", (long) PLATFORM_POSIX_VERSION); |
| 684 | #endif |
| 685 | } } |
| 686 | } |
| 687 | |
| 688 | #define ZSTD_NB_STRATEGIES 9 |
| 689 | static const char* ZSTD_strategyMap[ZSTD_NB_STRATEGIES + 1] = { "", "ZSTD_fast", |
| 690 | "ZSTD_dfast", "ZSTD_greedy", "ZSTD_lazy", "ZSTD_lazy2", "ZSTD_btlazy2", |
| 691 | "ZSTD_btopt", "ZSTD_btultra", "ZSTD_btultra2"}; |
| 692 | |
| 693 | #ifndef ZSTD_NOCOMPRESS |
| 694 | |
| 695 | static void printDefaultCParams(const char* filename, const char* dictFileName, int cLevel) { |
| 696 | unsigned long long fileSize = UTIL_getFileSize(filename); |
| 697 | const size_t dictSize = dictFileName != NULL ? (size_t)UTIL_getFileSize(dictFileName) : 0; |
| 698 | const ZSTD_compressionParameters cParams = ZSTD_getCParams(cLevel, fileSize, dictSize); |
| 699 | if (fileSize != UTIL_FILESIZE_UNKNOWN) DISPLAY("%s (%u bytes)\n", filename, (unsigned)fileSize); |
| 700 | else DISPLAY("%s (src size unknown)\n", filename); |
| 701 | DISPLAY(" - windowLog : %u\n", cParams.windowLog); |
| 702 | DISPLAY(" - chainLog : %u\n", cParams.chainLog); |
| 703 | DISPLAY(" - hashLog : %u\n", cParams.hashLog); |
| 704 | DISPLAY(" - searchLog : %u\n", cParams.searchLog); |
| 705 | DISPLAY(" - minMatch : %u\n", cParams.minMatch); |
| 706 | DISPLAY(" - targetLength : %u\n", cParams.targetLength); |
| 707 | assert(cParams.strategy < ZSTD_NB_STRATEGIES + 1); |
| 708 | DISPLAY(" - strategy : %s (%u)\n", ZSTD_strategyMap[(int)cParams.strategy], (unsigned)cParams.strategy); |
| 709 | } |
| 710 | |
| 711 | static void printActualCParams(const char* filename, const char* dictFileName, int cLevel, const ZSTD_compressionParameters* cParams) { |
| 712 | unsigned long long fileSize = UTIL_getFileSize(filename); |
| 713 | const size_t dictSize = dictFileName != NULL ? (size_t)UTIL_getFileSize(dictFileName) : 0; |
| 714 | ZSTD_compressionParameters actualCParams = ZSTD_getCParams(cLevel, fileSize, dictSize); |
| 715 | assert(g_displayLevel >= 4); |
| 716 | actualCParams.windowLog = cParams->windowLog == 0 ? actualCParams.windowLog : cParams->windowLog; |
| 717 | actualCParams.chainLog = cParams->chainLog == 0 ? actualCParams.chainLog : cParams->chainLog; |
| 718 | actualCParams.hashLog = cParams->hashLog == 0 ? actualCParams.hashLog : cParams->hashLog; |
| 719 | actualCParams.searchLog = cParams->searchLog == 0 ? actualCParams.searchLog : cParams->searchLog; |
| 720 | actualCParams.minMatch = cParams->minMatch == 0 ? actualCParams.minMatch : cParams->minMatch; |
| 721 | actualCParams.targetLength = cParams->targetLength == 0 ? actualCParams.targetLength : cParams->targetLength; |
| 722 | actualCParams.strategy = cParams->strategy == 0 ? actualCParams.strategy : cParams->strategy; |
| 723 | DISPLAY("--zstd=wlog=%d,clog=%d,hlog=%d,slog=%d,mml=%d,tlen=%d,strat=%d\n", |
| 724 | actualCParams.windowLog, actualCParams.chainLog, actualCParams.hashLog, actualCParams.searchLog, |
| 725 | actualCParams.minMatch, actualCParams.targetLength, actualCParams.strategy); |
| 726 | } |
| 727 | |
| 728 | #endif |
| 729 | |
| 730 | /* Environment variables for parameter setting */ |
| 731 | #define ENV_CLEVEL "ZSTD_CLEVEL" |
| 732 | #define ENV_NBTHREADS "ZSTD_NBTHREADS" /* takes lower precedence than directly specifying -T# in the CLI */ |
| 733 | |
| 734 | /* pick up environment variable */ |
| 735 | static int init_cLevel(void) { |
| 736 | const char* const env = getenv(ENV_CLEVEL); |
| 737 | if (env != NULL) { |
| 738 | const char* ptr = env; |
| 739 | int sign = 1; |
| 740 | if (*ptr == '-') { |
| 741 | sign = -1; |
| 742 | ptr++; |
| 743 | } else if (*ptr == '+') { |
| 744 | ptr++; |
| 745 | } |
| 746 | |
| 747 | if ((*ptr>='0') && (*ptr<='9')) { |
| 748 | unsigned absLevel; |
| 749 | if (readU32FromCharChecked(&ptr, &absLevel)) { |
| 750 | DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large \n", ENV_CLEVEL, env); |
| 751 | return ZSTDCLI_CLEVEL_DEFAULT; |
| 752 | } else if (*ptr == 0) { |
| 753 | return sign * (int)absLevel; |
| 754 | } } |
| 755 | |
| 756 | DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: not a valid integer value \n", ENV_CLEVEL, env); |
| 757 | } |
| 758 | |
| 759 | return ZSTDCLI_CLEVEL_DEFAULT; |
| 760 | } |
| 761 | |
| 762 | #ifdef ZSTD_MULTITHREAD |
| 763 | static unsigned init_nbThreads(void) { |
| 764 | const char* const env = getenv(ENV_NBTHREADS); |
| 765 | if (env != NULL) { |
| 766 | const char* ptr = env; |
| 767 | if ((*ptr>='0') && (*ptr<='9')) { |
| 768 | unsigned nbThreads; |
| 769 | if (readU32FromCharChecked(&ptr, &nbThreads)) { |
| 770 | DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large \n", ENV_NBTHREADS, env); |
| 771 | return ZSTDCLI_NBTHREADS_DEFAULT; |
| 772 | } else if (*ptr == 0) { |
| 773 | return nbThreads; |
| 774 | } |
| 775 | } |
| 776 | DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: not a valid unsigned value \n", ENV_NBTHREADS, env); |
| 777 | } |
| 778 | |
| 779 | return ZSTDCLI_NBTHREADS_DEFAULT; |
| 780 | } |
| 781 | #endif |
| 782 | |
| 783 | #define NEXT_FIELD(ptr) { \ |
| 784 | if (*argument == '=') { \ |
| 785 | ptr = ++argument; \ |
| 786 | argument += strlen(ptr); \ |
| 787 | } else { \ |
| 788 | argNb++; \ |
| 789 | if (argNb >= argCount) { \ |
| 790 | DISPLAYLEVEL(1, "error: missing command argument \n"); \ |
| 791 | CLEAN_RETURN(1); \ |
| 792 | } \ |
| 793 | ptr = argv[argNb]; \ |
| 794 | assert(ptr != NULL); \ |
| 795 | if (ptr[0]=='-') { \ |
| 796 | DISPLAYLEVEL(1, "error: command cannot be separated from its argument by another command \n"); \ |
| 797 | CLEAN_RETURN(1); \ |
| 798 | } } } |
| 799 | |
| 800 | #define NEXT_UINT32(val32) { \ |
| 801 | const char* __nb; \ |
| 802 | NEXT_FIELD(__nb); \ |
| 803 | val32 = readU32FromChar(&__nb); \ |
| 804 | if(*__nb != 0) { \ |
| 805 | errorOut("error: only numeric values with optional suffixes K, KB, KiB, M, MB, MiB are allowed"); \ |
| 806 | } \ |
| 807 | } |
| 808 | |
| 809 | #define NEXT_TSIZE(valTsize) { \ |
| 810 | const char* __nb; \ |
| 811 | NEXT_FIELD(__nb); \ |
| 812 | valTsize = readSizeTFromChar(&__nb); \ |
| 813 | if(*__nb != 0) { \ |
| 814 | errorOut("error: only numeric values with optional suffixes K, KB, KiB, M, MB, MiB are allowed"); \ |
| 815 | } \ |
| 816 | } |
| 817 | |
| 818 | typedef enum { zom_compress, zom_decompress, zom_test, zom_bench, zom_train, zom_list } zstd_operation_mode; |
| 819 | |
| 820 | #define CLEAN_RETURN(i) { operationResult = (i); goto _end; } |
| 821 | |
| 822 | #ifdef ZSTD_NOCOMPRESS |
| 823 | /* symbols from compression library are not defined and should not be invoked */ |
| 824 | # define MINCLEVEL -99 |
| 825 | # define MAXCLEVEL 22 |
| 826 | #else |
| 827 | # define MINCLEVEL ZSTD_minCLevel() |
| 828 | # define MAXCLEVEL ZSTD_maxCLevel() |
| 829 | #endif |
| 830 | |
| 831 | int main(int argCount, const char* argv[]) |
| 832 | { |
| 833 | int argNb, |
| 834 | followLinks = 0, |
| 835 | allowBlockDevices = 0, |
| 836 | forceStdin = 0, |
| 837 | forceStdout = 0, |
| 838 | hasStdout = 0, |
| 839 | ldmFlag = 0, |
| 840 | main_pause = 0, |
| 841 | adapt = 0, |
| 842 | adaptMin = MINCLEVEL, |
| 843 | adaptMax = MAXCLEVEL, |
| 844 | rsyncable = 0, |
| 845 | nextArgumentsAreFiles = 0, |
| 846 | operationResult = 0, |
| 847 | separateFiles = 0, |
| 848 | setRealTimePrio = 0, |
| 849 | singleThread = 0, |
| 850 | defaultLogicalCores = 0, |
| 851 | showDefaultCParams = 0, |
| 852 | ultra=0, |
| 853 | contentSize=1, |
| 854 | removeSrcFile=0; |
| 855 | ZSTD_paramSwitch_e mmapDict=ZSTD_ps_auto; |
| 856 | ZSTD_paramSwitch_e useRowMatchFinder = ZSTD_ps_auto; |
| 857 | FIO_compressionType_t cType = FIO_zstdCompression; |
| 858 | unsigned nbWorkers = 0; |
| 859 | double compressibility = 0.5; |
| 860 | unsigned bench_nbSeconds = 3; /* would be better if this value was synchronized from bench */ |
| 861 | size_t blockSize = 0; |
| 862 | |
| 863 | FIO_prefs_t* const prefs = FIO_createPreferences(); |
| 864 | FIO_ctx_t* const fCtx = FIO_createContext(); |
| 865 | FIO_progressSetting_e progress = FIO_ps_auto; |
| 866 | zstd_operation_mode operation = zom_compress; |
| 867 | ZSTD_compressionParameters compressionParams; |
| 868 | int cLevel = init_cLevel(); |
| 869 | int cLevelLast = MINCLEVEL - 1; /* lower than minimum */ |
| 870 | unsigned recursive = 0; |
| 871 | unsigned memLimit = 0; |
| 872 | FileNamesTable* filenames = UTIL_allocateFileNamesTable((size_t)argCount); /* argCount >= 1 */ |
| 873 | FileNamesTable* file_of_names = UTIL_allocateFileNamesTable((size_t)argCount); /* argCount >= 1 */ |
| 874 | const char* programName = argv[0]; |
| 875 | const char* outFileName = NULL; |
| 876 | const char* outDirName = NULL; |
| 877 | const char* outMirroredDirName = NULL; |
| 878 | const char* dictFileName = NULL; |
| 879 | const char* patchFromDictFileName = NULL; |
| 880 | const char* suffix = ZSTD_EXTENSION; |
| 881 | unsigned maxDictSize = g_defaultMaxDictSize; |
| 882 | unsigned dictID = 0; |
| 883 | size_t streamSrcSize = 0; |
| 884 | size_t targetCBlockSize = 0; |
| 885 | size_t srcSizeHint = 0; |
| 886 | size_t nbInputFileNames = 0; |
| 887 | int dictCLevel = g_defaultDictCLevel; |
| 888 | unsigned dictSelect = g_defaultSelectivityLevel; |
| 889 | #ifndef ZSTD_NODICT |
| 890 | ZDICT_cover_params_t coverParams = defaultCoverParams(); |
| 891 | ZDICT_fastCover_params_t fastCoverParams = defaultFastCoverParams(); |
| 892 | dictType dict = fastCover; |
| 893 | #endif |
| 894 | #ifndef ZSTD_NOBENCH |
| 895 | BMK_advancedParams_t benchParams = BMK_initAdvancedParams(); |
| 896 | #endif |
| 897 | ZSTD_paramSwitch_e literalCompressionMode = ZSTD_ps_auto; |
| 898 | |
| 899 | |
| 900 | /* init */ |
| 901 | checkLibVersion(); |
| 902 | (void)recursive; (void)cLevelLast; /* not used when ZSTD_NOBENCH set */ |
| 903 | (void)memLimit; |
| 904 | assert(argCount >= 1); |
| 905 | if ((filenames==NULL) || (file_of_names==NULL)) { DISPLAYLEVEL(1, "zstd: allocation error \n"); exit(1); } |
| 906 | programName = lastNameFromPath(programName); |
| 907 | #ifdef ZSTD_MULTITHREAD |
| 908 | nbWorkers = init_nbThreads(); |
| 909 | #endif |
| 910 | |
| 911 | /* preset behaviors */ |
| 912 | if (exeNameMatch(programName, ZSTD_ZSTDMT)) nbWorkers=0, singleThread=0; |
| 913 | if (exeNameMatch(programName, ZSTD_UNZSTD)) operation=zom_decompress; |
| 914 | if (exeNameMatch(programName, ZSTD_CAT)) { operation=zom_decompress; FIO_overwriteMode(prefs); forceStdout=1; followLinks=1; FIO_setPassThroughFlag(prefs, 1); outFileName=stdoutmark; g_displayLevel=1; } /* supports multiple formats */ |
| 915 | if (exeNameMatch(programName, ZSTD_ZCAT)) { operation=zom_decompress; FIO_overwriteMode(prefs); forceStdout=1; followLinks=1; FIO_setPassThroughFlag(prefs, 1); outFileName=stdoutmark; g_displayLevel=1; } /* behave like zcat, also supports multiple formats */ |
| 916 | if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */ |
| 917 | suffix = GZ_EXTENSION; cType = FIO_gzipCompression; removeSrcFile=1; |
| 918 | dictCLevel = cLevel = 6; /* gzip default is -6 */ |
| 919 | } |
| 920 | if (exeNameMatch(programName, ZSTD_GUNZIP)) { operation=zom_decompress; removeSrcFile=1; } /* behave like gunzip, also supports multiple formats */ |
| 921 | if (exeNameMatch(programName, ZSTD_GZCAT)) { operation=zom_decompress; FIO_overwriteMode(prefs); forceStdout=1; followLinks=1; FIO_setPassThroughFlag(prefs, 1); outFileName=stdoutmark; g_displayLevel=1; } /* behave like gzcat, also supports multiple formats */ |
| 922 | if (exeNameMatch(programName, ZSTD_LZMA)) { suffix = LZMA_EXTENSION; cType = FIO_lzmaCompression; removeSrcFile=1; } /* behave like lzma */ |
| 923 | if (exeNameMatch(programName, ZSTD_UNLZMA)) { operation=zom_decompress; cType = FIO_lzmaCompression; removeSrcFile=1; } /* behave like unlzma, also supports multiple formats */ |
| 924 | if (exeNameMatch(programName, ZSTD_XZ)) { suffix = XZ_EXTENSION; cType = FIO_xzCompression; removeSrcFile=1; } /* behave like xz */ |
| 925 | if (exeNameMatch(programName, ZSTD_UNXZ)) { operation=zom_decompress; cType = FIO_xzCompression; removeSrcFile=1; } /* behave like unxz, also supports multiple formats */ |
| 926 | if (exeNameMatch(programName, ZSTD_LZ4)) { suffix = LZ4_EXTENSION; cType = FIO_lz4Compression; } /* behave like lz4 */ |
| 927 | if (exeNameMatch(programName, ZSTD_UNLZ4)) { operation=zom_decompress; cType = FIO_lz4Compression; } /* behave like unlz4, also supports multiple formats */ |
| 928 | memset(&compressionParams, 0, sizeof(compressionParams)); |
| 929 | |
| 930 | /* init crash handler */ |
| 931 | FIO_addAbortHandler(); |
| 932 | |
| 933 | /* command switches */ |
| 934 | for (argNb=1; argNb<argCount; argNb++) { |
| 935 | const char* argument = argv[argNb]; |
| 936 | if (!argument) continue; /* Protection if argument empty */ |
| 937 | |
| 938 | if (nextArgumentsAreFiles) { |
| 939 | UTIL_refFilename(filenames, argument); |
| 940 | continue; |
| 941 | } |
| 942 | |
| 943 | /* "-" means stdin/stdout */ |
| 944 | if (!strcmp(argument, "-")){ |
| 945 | UTIL_refFilename(filenames, stdinmark); |
| 946 | continue; |
| 947 | } |
| 948 | |
| 949 | /* Decode commands (note : aggregated commands are allowed) */ |
| 950 | if (argument[0]=='-') { |
| 951 | |
| 952 | if (argument[1]=='-') { |
| 953 | /* long commands (--long-word) */ |
| 954 | if (!strcmp(argument, "--")) { nextArgumentsAreFiles=1; continue; } /* only file names allowed from now on */ |
| 955 | if (!strcmp(argument, "--list")) { operation=zom_list; continue; } |
| 956 | if (!strcmp(argument, "--compress")) { operation=zom_compress; continue; } |
| 957 | if (!strcmp(argument, "--decompress")) { operation=zom_decompress; continue; } |
| 958 | if (!strcmp(argument, "--uncompress")) { operation=zom_decompress; continue; } |
| 959 | if (!strcmp(argument, "--force")) { FIO_overwriteMode(prefs); forceStdin=1; forceStdout=1; followLinks=1; allowBlockDevices=1; continue; } |
| 960 | if (!strcmp(argument, "--version")) { printVersion(); CLEAN_RETURN(0); } |
| 961 | if (!strcmp(argument, "--help")) { usage_advanced(programName); CLEAN_RETURN(0); } |
| 962 | if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; } |
| 963 | if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; } |
| 964 | if (!strcmp(argument, "--stdout")) { forceStdout=1; outFileName=stdoutmark; removeSrcFile=0; continue; } |
| 965 | if (!strcmp(argument, "--ultra")) { ultra=1; continue; } |
| 966 | if (!strcmp(argument, "--check")) { FIO_setChecksumFlag(prefs, 2); continue; } |
| 967 | if (!strcmp(argument, "--no-check")) { FIO_setChecksumFlag(prefs, 0); continue; } |
| 968 | if (!strcmp(argument, "--sparse")) { FIO_setSparseWrite(prefs, 2); continue; } |
| 969 | if (!strcmp(argument, "--no-sparse")) { FIO_setSparseWrite(prefs, 0); continue; } |
| 970 | if (!strcmp(argument, "--pass-through")) { FIO_setPassThroughFlag(prefs, 1); continue; } |
| 971 | if (!strcmp(argument, "--no-pass-through")) { FIO_setPassThroughFlag(prefs, 0); continue; } |
| 972 | if (!strcmp(argument, "--test")) { operation=zom_test; continue; } |
| 973 | if (!strcmp(argument, "--asyncio")) { FIO_setAsyncIOFlag(prefs, 1); continue;} |
| 974 | if (!strcmp(argument, "--no-asyncio")) { FIO_setAsyncIOFlag(prefs, 0); continue;} |
| 975 | if (!strcmp(argument, "--train")) { operation=zom_train; if (outFileName==NULL) outFileName=g_defaultDictName; continue; } |
| 976 | if (!strcmp(argument, "--no-dictID")) { FIO_setDictIDFlag(prefs, 0); continue; } |
| 977 | if (!strcmp(argument, "--keep")) { removeSrcFile=0; continue; } |
| 978 | if (!strcmp(argument, "--rm")) { removeSrcFile=1; continue; } |
| 979 | if (!strcmp(argument, "--priority=rt")) { setRealTimePrio = 1; continue; } |
| 980 | if (!strcmp(argument, "--show-default-cparams")) { showDefaultCParams = 1; continue; } |
| 981 | if (!strcmp(argument, "--content-size")) { contentSize = 1; continue; } |
| 982 | if (!strcmp(argument, "--no-content-size")) { contentSize = 0; continue; } |
| 983 | if (!strcmp(argument, "--adapt")) { adapt = 1; continue; } |
| 984 | if (!strcmp(argument, "--no-row-match-finder")) { useRowMatchFinder = ZSTD_ps_disable; continue; } |
| 985 | if (!strcmp(argument, "--row-match-finder")) { useRowMatchFinder = ZSTD_ps_enable; continue; } |
| 986 | if (longCommandWArg(&argument, "--adapt=")) { adapt = 1; if (!parseAdaptParameters(argument, &adaptMin, &adaptMax)) { badusage(programName); CLEAN_RETURN(1); } continue; } |
| 987 | if (!strcmp(argument, "--single-thread")) { nbWorkers = 0; singleThread = 1; continue; } |
| 988 | if (!strcmp(argument, "--format=zstd")) { suffix = ZSTD_EXTENSION; cType = FIO_zstdCompression; continue; } |
| 989 | if (!strcmp(argument, "--mmap-dict")) { mmapDict = ZSTD_ps_enable; continue; } |
| 990 | if (!strcmp(argument, "--no-mmap-dict")) { mmapDict = ZSTD_ps_disable; continue; } |
| 991 | #ifdef ZSTD_GZCOMPRESS |
| 992 | if (!strcmp(argument, "--format=gzip")) { suffix = GZ_EXTENSION; cType = FIO_gzipCompression; continue; } |
| 993 | if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */ |
| 994 | if (!strcmp(argument, "--best")) { dictCLevel = cLevel = 9; continue; } |
| 995 | if (!strcmp(argument, "--no-name")) { /* ignore for now */; continue; } |
| 996 | } |
| 997 | #endif |
| 998 | #ifdef ZSTD_LZMACOMPRESS |
| 999 | if (!strcmp(argument, "--format=lzma")) { suffix = LZMA_EXTENSION; cType = FIO_lzmaCompression; continue; } |
| 1000 | if (!strcmp(argument, "--format=xz")) { suffix = XZ_EXTENSION; cType = FIO_xzCompression; continue; } |
| 1001 | #endif |
| 1002 | #ifdef ZSTD_LZ4COMPRESS |
| 1003 | if (!strcmp(argument, "--format=lz4")) { suffix = LZ4_EXTENSION; cType = FIO_lz4Compression; continue; } |
| 1004 | #endif |
| 1005 | if (!strcmp(argument, "--rsyncable")) { rsyncable = 1; continue; } |
| 1006 | if (!strcmp(argument, "--compress-literals")) { literalCompressionMode = ZSTD_ps_enable; continue; } |
| 1007 | if (!strcmp(argument, "--no-compress-literals")) { literalCompressionMode = ZSTD_ps_disable; continue; } |
| 1008 | if (!strcmp(argument, "--no-progress")) { progress = FIO_ps_never; continue; } |
| 1009 | if (!strcmp(argument, "--progress")) { progress = FIO_ps_always; continue; } |
| 1010 | if (!strcmp(argument, "--exclude-compressed")) { FIO_setExcludeCompressedFile(prefs, 1); continue; } |
| 1011 | if (!strcmp(argument, "--fake-stdin-is-console")) { UTIL_fakeStdinIsConsole(); continue; } |
| 1012 | if (!strcmp(argument, "--fake-stdout-is-console")) { UTIL_fakeStdoutIsConsole(); continue; } |
| 1013 | if (!strcmp(argument, "--fake-stderr-is-console")) { UTIL_fakeStderrIsConsole(); continue; } |
| 1014 | if (!strcmp(argument, "--trace-file-stat")) { UTIL_traceFileStat(); continue; } |
| 1015 | |
| 1016 | /* long commands with arguments */ |
| 1017 | #ifndef ZSTD_NODICT |
| 1018 | if (longCommandWArg(&argument, "--train-cover")) { |
| 1019 | operation = zom_train; |
| 1020 | if (outFileName == NULL) |
| 1021 | outFileName = g_defaultDictName; |
| 1022 | dict = cover; |
| 1023 | /* Allow optional arguments following an = */ |
| 1024 | if (*argument == 0) { memset(&coverParams, 0, sizeof(coverParams)); } |
| 1025 | else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); } |
| 1026 | else if (!parseCoverParameters(argument, &coverParams)) { badusage(programName); CLEAN_RETURN(1); } |
| 1027 | continue; |
| 1028 | } |
| 1029 | if (longCommandWArg(&argument, "--train-fastcover")) { |
| 1030 | operation = zom_train; |
| 1031 | if (outFileName == NULL) |
| 1032 | outFileName = g_defaultDictName; |
| 1033 | dict = fastCover; |
| 1034 | /* Allow optional arguments following an = */ |
| 1035 | if (*argument == 0) { memset(&fastCoverParams, 0, sizeof(fastCoverParams)); } |
| 1036 | else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); } |
| 1037 | else if (!parseFastCoverParameters(argument, &fastCoverParams)) { badusage(programName); CLEAN_RETURN(1); } |
| 1038 | continue; |
| 1039 | } |
| 1040 | if (longCommandWArg(&argument, "--train-legacy")) { |
| 1041 | operation = zom_train; |
| 1042 | if (outFileName == NULL) |
| 1043 | outFileName = g_defaultDictName; |
| 1044 | dict = legacy; |
| 1045 | /* Allow optional arguments following an = */ |
| 1046 | if (*argument == 0) { continue; } |
| 1047 | else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); } |
| 1048 | else if (!parseLegacyParameters(argument, &dictSelect)) { badusage(programName); CLEAN_RETURN(1); } |
| 1049 | continue; |
| 1050 | } |
| 1051 | #endif |
| 1052 | if (longCommandWArg(&argument, "--threads")) { NEXT_UINT32(nbWorkers); continue; } |
| 1053 | if (longCommandWArg(&argument, "--memlimit")) { NEXT_UINT32(memLimit); continue; } |
| 1054 | if (longCommandWArg(&argument, "--memory")) { NEXT_UINT32(memLimit); continue; } |
| 1055 | if (longCommandWArg(&argument, "--memlimit-decompress")) { NEXT_UINT32(memLimit); continue; } |
| 1056 | if (longCommandWArg(&argument, "--block-size")) { NEXT_TSIZE(blockSize); continue; } |
| 1057 | if (longCommandWArg(&argument, "--maxdict")) { NEXT_UINT32(maxDictSize); continue; } |
| 1058 | if (longCommandWArg(&argument, "--dictID")) { NEXT_UINT32(dictID); continue; } |
| 1059 | if (longCommandWArg(&argument, "--zstd=")) { if (!parseCompressionParameters(argument, &compressionParams)) { badusage(programName); CLEAN_RETURN(1); } ; cType = FIO_zstdCompression; continue; } |
| 1060 | if (longCommandWArg(&argument, "--stream-size")) { NEXT_TSIZE(streamSrcSize); continue; } |
| 1061 | if (longCommandWArg(&argument, "--target-compressed-block-size")) { NEXT_TSIZE(targetCBlockSize); continue; } |
| 1062 | if (longCommandWArg(&argument, "--size-hint")) { NEXT_TSIZE(srcSizeHint); continue; } |
| 1063 | if (longCommandWArg(&argument, "--output-dir-flat")) { |
| 1064 | NEXT_FIELD(outDirName); |
| 1065 | if (strlen(outDirName) == 0) { |
| 1066 | DISPLAYLEVEL(1, "error: output dir cannot be empty string (did you mean to pass '.' instead?)\n"); |
| 1067 | CLEAN_RETURN(1); |
| 1068 | } |
| 1069 | continue; |
| 1070 | } |
| 1071 | if (longCommandWArg(&argument, "--auto-threads")) { |
| 1072 | const char* threadDefault = NULL; |
| 1073 | NEXT_FIELD(threadDefault); |
| 1074 | if (strcmp(threadDefault, "logical") == 0) |
| 1075 | defaultLogicalCores = 1; |
| 1076 | continue; |
| 1077 | } |
| 1078 | #ifdef UTIL_HAS_MIRRORFILELIST |
| 1079 | if (longCommandWArg(&argument, "--output-dir-mirror")) { |
| 1080 | NEXT_FIELD(outMirroredDirName); |
| 1081 | if (strlen(outMirroredDirName) == 0) { |
| 1082 | DISPLAYLEVEL(1, "error: output dir cannot be empty string (did you mean to pass '.' instead?)\n"); |
| 1083 | CLEAN_RETURN(1); |
| 1084 | } |
| 1085 | continue; |
| 1086 | } |
| 1087 | #endif |
| 1088 | #ifndef ZSTD_NOTRACE |
| 1089 | if (longCommandWArg(&argument, "--trace")) { char const* traceFile; NEXT_FIELD(traceFile); TRACE_enable(traceFile); continue; } |
| 1090 | #endif |
| 1091 | if (longCommandWArg(&argument, "--patch-from")) { NEXT_FIELD(patchFromDictFileName); continue; } |
| 1092 | if (longCommandWArg(&argument, "--long")) { |
| 1093 | unsigned ldmWindowLog = 0; |
| 1094 | ldmFlag = 1; |
| 1095 | /* Parse optional window log */ |
| 1096 | if (*argument == '=') { |
| 1097 | ++argument; |
| 1098 | ldmWindowLog = readU32FromChar(&argument); |
| 1099 | } else if (*argument != 0) { |
| 1100 | /* Invalid character following --long */ |
| 1101 | badusage(programName); |
| 1102 | CLEAN_RETURN(1); |
| 1103 | } else { |
| 1104 | ldmWindowLog = g_defaultMaxWindowLog; |
| 1105 | } |
| 1106 | /* Only set windowLog if not already set by --zstd */ |
| 1107 | if (compressionParams.windowLog == 0) |
| 1108 | compressionParams.windowLog = ldmWindowLog; |
| 1109 | continue; |
| 1110 | } |
| 1111 | #ifndef ZSTD_NOCOMPRESS /* linking ZSTD_minCLevel() requires compression support */ |
| 1112 | if (longCommandWArg(&argument, "--fast")) { |
| 1113 | /* Parse optional acceleration factor */ |
| 1114 | if (*argument == '=') { |
| 1115 | U32 const maxFast = (U32)-ZSTD_minCLevel(); |
| 1116 | U32 fastLevel; |
| 1117 | ++argument; |
| 1118 | fastLevel = readU32FromChar(&argument); |
| 1119 | if (fastLevel > maxFast) fastLevel = maxFast; |
| 1120 | if (fastLevel) { |
| 1121 | dictCLevel = cLevel = -(int)fastLevel; |
| 1122 | } else { |
| 1123 | badusage(programName); |
| 1124 | CLEAN_RETURN(1); |
| 1125 | } |
| 1126 | } else if (*argument != 0) { |
| 1127 | /* Invalid character following --fast */ |
| 1128 | badusage(programName); |
| 1129 | CLEAN_RETURN(1); |
| 1130 | } else { |
| 1131 | cLevel = -1; /* default for --fast */ |
| 1132 | } |
| 1133 | continue; |
| 1134 | } |
| 1135 | #endif |
| 1136 | |
| 1137 | if (longCommandWArg(&argument, "--filelist")) { |
| 1138 | const char* listName; |
| 1139 | NEXT_FIELD(listName); |
| 1140 | UTIL_refFilename(file_of_names, listName); |
| 1141 | continue; |
| 1142 | } |
| 1143 | |
| 1144 | /* fall-through, will trigger bad_usage() later on */ |
| 1145 | } |
| 1146 | |
| 1147 | argument++; |
| 1148 | while (argument[0]!=0) { |
| 1149 | |
| 1150 | #ifndef ZSTD_NOCOMPRESS |
| 1151 | /* compression Level */ |
| 1152 | if ((*argument>='0') && (*argument<='9')) { |
| 1153 | dictCLevel = cLevel = (int)readU32FromChar(&argument); |
| 1154 | continue; |
| 1155 | } |
| 1156 | #endif |
| 1157 | |
| 1158 | switch(argument[0]) |
| 1159 | { |
| 1160 | /* Display help */ |
| 1161 | case 'V': printVersion(); CLEAN_RETURN(0); /* Version Only */ |
| 1162 | case 'H': usage_advanced(programName); CLEAN_RETURN(0); |
| 1163 | case 'h': usage(stdout, programName); CLEAN_RETURN(0); |
| 1164 | |
| 1165 | /* Compress */ |
| 1166 | case 'z': operation=zom_compress; argument++; break; |
| 1167 | |
| 1168 | /* Decoding */ |
| 1169 | case 'd': |
| 1170 | #ifndef ZSTD_NOBENCH |
| 1171 | benchParams.mode = BMK_decodeOnly; |
| 1172 | if (operation==zom_bench) { argument++; break; } /* benchmark decode (hidden option) */ |
| 1173 | #endif |
| 1174 | operation=zom_decompress; argument++; break; |
| 1175 | |
| 1176 | /* Force stdout, even if stdout==console */ |
| 1177 | case 'c': forceStdout=1; outFileName=stdoutmark; removeSrcFile=0; argument++; break; |
| 1178 | |
| 1179 | /* do not store filename - gzip compatibility - nothing to do */ |
| 1180 | case 'n': argument++; break; |
| 1181 | |
| 1182 | /* Use file content as dictionary */ |
| 1183 | case 'D': argument++; NEXT_FIELD(dictFileName); break; |
| 1184 | |
| 1185 | /* Overwrite */ |
| 1186 | case 'f': FIO_overwriteMode(prefs); forceStdin=1; forceStdout=1; followLinks=1; allowBlockDevices=1; argument++; break; |
| 1187 | |
| 1188 | /* Verbose mode */ |
| 1189 | case 'v': g_displayLevel++; argument++; break; |
| 1190 | |
| 1191 | /* Quiet mode */ |
| 1192 | case 'q': g_displayLevel--; argument++; break; |
| 1193 | |
| 1194 | /* keep source file (default) */ |
| 1195 | case 'k': removeSrcFile=0; argument++; break; |
| 1196 | |
| 1197 | /* Checksum */ |
| 1198 | case 'C': FIO_setChecksumFlag(prefs, 2); argument++; break; |
| 1199 | |
| 1200 | /* test compressed file */ |
| 1201 | case 't': operation=zom_test; argument++; break; |
| 1202 | |
| 1203 | /* destination file name */ |
| 1204 | case 'o': argument++; NEXT_FIELD(outFileName); break; |
| 1205 | |
| 1206 | /* limit memory */ |
| 1207 | case 'M': |
| 1208 | argument++; |
| 1209 | memLimit = readU32FromChar(&argument); |
| 1210 | break; |
| 1211 | case 'l': operation=zom_list; argument++; break; |
| 1212 | #ifdef UTIL_HAS_CREATEFILELIST |
| 1213 | /* recursive */ |
| 1214 | case 'r': recursive=1; argument++; break; |
| 1215 | #endif |
| 1216 | |
| 1217 | #ifndef ZSTD_NOBENCH |
| 1218 | /* Benchmark */ |
| 1219 | case 'b': |
| 1220 | operation=zom_bench; |
| 1221 | argument++; |
| 1222 | break; |
| 1223 | |
| 1224 | /* range bench (benchmark only) */ |
| 1225 | case 'e': |
| 1226 | /* compression Level */ |
| 1227 | argument++; |
| 1228 | cLevelLast = (int)readU32FromChar(&argument); |
| 1229 | break; |
| 1230 | |
| 1231 | /* Modify Nb Iterations (benchmark only) */ |
| 1232 | case 'i': |
| 1233 | argument++; |
| 1234 | bench_nbSeconds = readU32FromChar(&argument); |
| 1235 | break; |
| 1236 | |
| 1237 | /* cut input into blocks (benchmark only) */ |
| 1238 | case 'B': |
| 1239 | argument++; |
| 1240 | blockSize = readU32FromChar(&argument); |
| 1241 | break; |
| 1242 | |
| 1243 | /* benchmark files separately (hidden option) */ |
| 1244 | case 'S': |
| 1245 | argument++; |
| 1246 | separateFiles = 1; |
| 1247 | break; |
| 1248 | |
| 1249 | #endif /* ZSTD_NOBENCH */ |
| 1250 | |
| 1251 | /* nb of threads (hidden option) */ |
| 1252 | case 'T': |
| 1253 | argument++; |
| 1254 | nbWorkers = readU32FromChar(&argument); |
| 1255 | break; |
| 1256 | |
| 1257 | /* Dictionary Selection level */ |
| 1258 | case 's': |
| 1259 | argument++; |
| 1260 | dictSelect = readU32FromChar(&argument); |
| 1261 | break; |
| 1262 | |
| 1263 | /* Pause at the end (-p) or set an additional param (-p#) (hidden option) */ |
| 1264 | case 'p': argument++; |
| 1265 | #ifndef ZSTD_NOBENCH |
| 1266 | if ((*argument>='0') && (*argument<='9')) { |
| 1267 | benchParams.additionalParam = (int)readU32FromChar(&argument); |
| 1268 | } else |
| 1269 | #endif |
| 1270 | main_pause=1; |
| 1271 | break; |
| 1272 | |
| 1273 | /* Select compressibility of synthetic sample */ |
| 1274 | case 'P': |
| 1275 | argument++; |
| 1276 | compressibility = (double)readU32FromChar(&argument) / 100; |
| 1277 | break; |
| 1278 | |
| 1279 | /* unknown command */ |
| 1280 | default : badusage(programName); CLEAN_RETURN(1); |
| 1281 | } |
| 1282 | } |
| 1283 | continue; |
| 1284 | } /* if (argument[0]=='-') */ |
| 1285 | |
| 1286 | /* none of the above : add filename to list */ |
| 1287 | UTIL_refFilename(filenames, argument); |
| 1288 | } |
| 1289 | |
| 1290 | /* Welcome message (if verbose) */ |
| 1291 | DISPLAYLEVEL(3, WELCOME_MESSAGE); |
| 1292 | |
| 1293 | #ifdef ZSTD_MULTITHREAD |
| 1294 | if ((operation==zom_decompress) && (!singleThread) && (nbWorkers > 1)) { |
| 1295 | DISPLAYLEVEL(2, "Warning : decompression does not support multi-threading\n"); |
| 1296 | } |
| 1297 | if ((nbWorkers==0) && (!singleThread)) { |
| 1298 | /* automatically set # workers based on # of reported cpus */ |
| 1299 | if (defaultLogicalCores) { |
| 1300 | nbWorkers = (unsigned)UTIL_countLogicalCores(); |
| 1301 | DISPLAYLEVEL(3, "Note: %d logical core(s) detected \n", nbWorkers); |
| 1302 | } else { |
| 1303 | nbWorkers = (unsigned)UTIL_countPhysicalCores(); |
| 1304 | DISPLAYLEVEL(3, "Note: %d physical core(s) detected \n", nbWorkers); |
| 1305 | } |
| 1306 | } |
| 1307 | #else |
| 1308 | (void)singleThread; (void)nbWorkers; (void)defaultLogicalCores; |
| 1309 | #endif |
| 1310 | |
| 1311 | g_utilDisplayLevel = g_displayLevel; |
| 1312 | |
| 1313 | #ifdef UTIL_HAS_CREATEFILELIST |
| 1314 | if (!followLinks) { |
| 1315 | unsigned u, fileNamesNb; |
| 1316 | unsigned const nbFilenames = (unsigned)filenames->tableSize; |
| 1317 | for (u=0, fileNamesNb=0; u<nbFilenames; u++) { |
| 1318 | if ( UTIL_isLink(filenames->fileNames[u]) |
| 1319 | && !UTIL_isFIFO(filenames->fileNames[u]) |
| 1320 | ) { |
| 1321 | DISPLAYLEVEL(2, "Warning : %s is a symbolic link, ignoring \n", filenames->fileNames[u]); |
| 1322 | } else { |
| 1323 | filenames->fileNames[fileNamesNb++] = filenames->fileNames[u]; |
| 1324 | } } |
| 1325 | if (fileNamesNb == 0 && nbFilenames > 0) /* all names are eliminated */ |
| 1326 | CLEAN_RETURN(1); |
| 1327 | filenames->tableSize = fileNamesNb; |
| 1328 | } /* if (!followLinks) */ |
| 1329 | |
| 1330 | /* read names from a file */ |
| 1331 | if (file_of_names->tableSize) { |
| 1332 | size_t const nbFileLists = file_of_names->tableSize; |
| 1333 | size_t flNb; |
| 1334 | for (flNb=0; flNb < nbFileLists; flNb++) { |
| 1335 | FileNamesTable* const fnt = UTIL_createFileNamesTable_fromFileName(file_of_names->fileNames[flNb]); |
| 1336 | if (fnt==NULL) { |
| 1337 | DISPLAYLEVEL(1, "zstd: error reading %s \n", file_of_names->fileNames[flNb]); |
| 1338 | CLEAN_RETURN(1); |
| 1339 | } |
| 1340 | filenames = UTIL_mergeFileNamesTable(filenames, fnt); |
| 1341 | } |
| 1342 | } |
| 1343 | |
| 1344 | nbInputFileNames = filenames->tableSize; /* saving number of input files */ |
| 1345 | |
| 1346 | if (recursive) { /* at this stage, filenameTable is a list of paths, which can contain both files and directories */ |
| 1347 | UTIL_expandFNT(&filenames, followLinks); |
| 1348 | } |
| 1349 | #else |
| 1350 | (void)followLinks; |
| 1351 | #endif |
| 1352 | |
| 1353 | if (operation == zom_list) { |
| 1354 | #ifndef ZSTD_NODECOMPRESS |
| 1355 | int const ret = FIO_listMultipleFiles((unsigned)filenames->tableSize, filenames->fileNames, g_displayLevel); |
| 1356 | CLEAN_RETURN(ret); |
| 1357 | #else |
| 1358 | DISPLAYLEVEL(1, "file information is not supported \n"); |
| 1359 | CLEAN_RETURN(1); |
| 1360 | #endif |
| 1361 | } |
| 1362 | |
| 1363 | /* Check if benchmark is selected */ |
| 1364 | if (operation==zom_bench) { |
| 1365 | #ifndef ZSTD_NOBENCH |
| 1366 | if (cType != FIO_zstdCompression) { |
| 1367 | DISPLAYLEVEL(1, "benchmark mode is only compatible with zstd format \n"); |
| 1368 | CLEAN_RETURN(1); |
| 1369 | } |
| 1370 | benchParams.blockSize = blockSize; |
| 1371 | benchParams.nbWorkers = (int)nbWorkers; |
| 1372 | benchParams.realTime = (unsigned)setRealTimePrio; |
| 1373 | benchParams.nbSeconds = bench_nbSeconds; |
| 1374 | benchParams.ldmFlag = ldmFlag; |
| 1375 | benchParams.ldmMinMatch = (int)g_ldmMinMatch; |
| 1376 | benchParams.ldmHashLog = (int)g_ldmHashLog; |
| 1377 | benchParams.useRowMatchFinder = (int)useRowMatchFinder; |
| 1378 | if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) { |
| 1379 | benchParams.ldmBucketSizeLog = (int)g_ldmBucketSizeLog; |
| 1380 | } |
| 1381 | if (g_ldmHashRateLog != LDM_PARAM_DEFAULT) { |
| 1382 | benchParams.ldmHashRateLog = (int)g_ldmHashRateLog; |
| 1383 | } |
| 1384 | benchParams.literalCompressionMode = literalCompressionMode; |
| 1385 | |
| 1386 | if (cLevel > ZSTD_maxCLevel()) cLevel = ZSTD_maxCLevel(); |
| 1387 | if (cLevelLast > ZSTD_maxCLevel()) cLevelLast = ZSTD_maxCLevel(); |
| 1388 | if (cLevelLast < cLevel) cLevelLast = cLevel; |
| 1389 | if (cLevelLast > cLevel) |
| 1390 | DISPLAYLEVEL(3, "Benchmarking levels from %d to %d\n", cLevel, cLevelLast); |
| 1391 | if (filenames->tableSize > 0) { |
| 1392 | if(separateFiles) { |
| 1393 | unsigned i; |
| 1394 | for(i = 0; i < filenames->tableSize; i++) { |
| 1395 | int c; |
| 1396 | DISPLAYLEVEL(3, "Benchmarking %s \n", filenames->fileNames[i]); |
| 1397 | for(c = cLevel; c <= cLevelLast; c++) { |
| 1398 | operationResult = BMK_benchFilesAdvanced(&filenames->fileNames[i], 1, dictFileName, c, &compressionParams, g_displayLevel, &benchParams); |
| 1399 | } } |
| 1400 | } else { |
| 1401 | for(; cLevel <= cLevelLast; cLevel++) { |
| 1402 | operationResult = BMK_benchFilesAdvanced(filenames->fileNames, (unsigned)filenames->tableSize, dictFileName, cLevel, &compressionParams, g_displayLevel, &benchParams); |
| 1403 | } } |
| 1404 | } else { |
| 1405 | for(; cLevel <= cLevelLast; cLevel++) { |
| 1406 | operationResult = BMK_syntheticTest(cLevel, compressibility, &compressionParams, g_displayLevel, &benchParams); |
| 1407 | } } |
| 1408 | |
| 1409 | #else |
| 1410 | (void)bench_nbSeconds; (void)blockSize; (void)setRealTimePrio; (void)separateFiles; (void)compressibility; |
| 1411 | #endif |
| 1412 | goto _end; |
| 1413 | } |
| 1414 | |
| 1415 | /* Check if dictionary builder is selected */ |
| 1416 | if (operation==zom_train) { |
| 1417 | #ifndef ZSTD_NODICT |
| 1418 | ZDICT_params_t zParams; |
| 1419 | zParams.compressionLevel = dictCLevel; |
| 1420 | zParams.notificationLevel = (unsigned)g_displayLevel; |
| 1421 | zParams.dictID = dictID; |
| 1422 | if (dict == cover) { |
| 1423 | int const optimize = !coverParams.k || !coverParams.d; |
| 1424 | coverParams.nbThreads = (unsigned)nbWorkers; |
| 1425 | coverParams.zParams = zParams; |
| 1426 | operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, NULL, &coverParams, NULL, optimize, memLimit); |
| 1427 | } else if (dict == fastCover) { |
| 1428 | int const optimize = !fastCoverParams.k || !fastCoverParams.d; |
| 1429 | fastCoverParams.nbThreads = (unsigned)nbWorkers; |
| 1430 | fastCoverParams.zParams = zParams; |
| 1431 | operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, NULL, NULL, &fastCoverParams, optimize, memLimit); |
| 1432 | } else { |
| 1433 | ZDICT_legacy_params_t dictParams; |
| 1434 | memset(&dictParams, 0, sizeof(dictParams)); |
| 1435 | dictParams.selectivityLevel = dictSelect; |
| 1436 | dictParams.zParams = zParams; |
| 1437 | operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, &dictParams, NULL, NULL, 0, memLimit); |
| 1438 | } |
| 1439 | #else |
| 1440 | (void)dictCLevel; (void)dictSelect; (void)dictID; (void)maxDictSize; /* not used when ZSTD_NODICT set */ |
| 1441 | DISPLAYLEVEL(1, "training mode not available \n"); |
| 1442 | operationResult = 1; |
| 1443 | #endif |
| 1444 | goto _end; |
| 1445 | } |
| 1446 | |
| 1447 | #ifndef ZSTD_NODECOMPRESS |
| 1448 | if (operation==zom_test) { FIO_setTestMode(prefs, 1); outFileName=nulmark; removeSrcFile=0; } /* test mode */ |
| 1449 | #endif |
| 1450 | |
| 1451 | /* No input filename ==> use stdin and stdout */ |
| 1452 | if (filenames->tableSize == 0) { |
| 1453 | /* It is possible that the input |
| 1454 | was a number of empty directories. In this case |
| 1455 | stdin and stdout should not be used */ |
| 1456 | if (nbInputFileNames > 0 ){ |
| 1457 | DISPLAYLEVEL(1, "please provide correct input file(s) or non-empty directories -- ignored \n"); |
| 1458 | CLEAN_RETURN(0); |
| 1459 | } |
| 1460 | UTIL_refFilename(filenames, stdinmark); |
| 1461 | } |
| 1462 | |
| 1463 | if (filenames->tableSize == 1 && !strcmp(filenames->fileNames[0], stdinmark) && !outFileName) |
| 1464 | outFileName = stdoutmark; /* when input is stdin, default output is stdout */ |
| 1465 | |
| 1466 | /* Check if input/output defined as console; trigger an error in this case */ |
| 1467 | if (!forceStdin |
| 1468 | && (UTIL_searchFileNamesTable(filenames, stdinmark) != -1) |
| 1469 | && UTIL_isConsole(stdin) ) { |
| 1470 | DISPLAYLEVEL(1, "stdin is a console, aborting\n"); |
| 1471 | CLEAN_RETURN(1); |
| 1472 | } |
| 1473 | if ( (!outFileName || !strcmp(outFileName, stdoutmark)) |
| 1474 | && UTIL_isConsole(stdout) |
| 1475 | && (UTIL_searchFileNamesTable(filenames, stdinmark) != -1) |
| 1476 | && !forceStdout |
| 1477 | && operation!=zom_decompress ) { |
| 1478 | DISPLAYLEVEL(1, "stdout is a console, aborting\n"); |
| 1479 | CLEAN_RETURN(1); |
| 1480 | } |
| 1481 | |
| 1482 | #ifndef ZSTD_NOCOMPRESS |
| 1483 | /* check compression level limits */ |
| 1484 | { int const maxCLevel = ultra ? ZSTD_maxCLevel() : ZSTDCLI_CLEVEL_MAX; |
| 1485 | if (cLevel > maxCLevel) { |
| 1486 | DISPLAYLEVEL(2, "Warning : compression level higher than max, reduced to %i \n", maxCLevel); |
| 1487 | cLevel = maxCLevel; |
| 1488 | } } |
| 1489 | #endif |
| 1490 | |
| 1491 | if (showDefaultCParams) { |
| 1492 | if (operation == zom_decompress) { |
| 1493 | DISPLAYLEVEL(1, "error : can't use --show-default-cparams in decompression mode \n"); |
| 1494 | CLEAN_RETURN(1); |
| 1495 | } |
| 1496 | } |
| 1497 | |
| 1498 | if (dictFileName != NULL && patchFromDictFileName != NULL) { |
| 1499 | DISPLAYLEVEL(1, "error : can't use -D and --patch-from=# at the same time \n"); |
| 1500 | CLEAN_RETURN(1); |
| 1501 | } |
| 1502 | |
| 1503 | if (patchFromDictFileName != NULL && filenames->tableSize > 1) { |
| 1504 | DISPLAYLEVEL(1, "error : can't use --patch-from=# on multiple files \n"); |
| 1505 | CLEAN_RETURN(1); |
| 1506 | } |
| 1507 | |
| 1508 | /* No status message by default when output is stdout */ |
| 1509 | hasStdout = outFileName && !strcmp(outFileName,stdoutmark); |
| 1510 | if (hasStdout && (g_displayLevel==2)) g_displayLevel=1; |
| 1511 | |
| 1512 | /* when stderr is not the console, do not pollute it with progress updates (unless requested) */ |
| 1513 | if (!UTIL_isConsole(stderr) && (progress!=FIO_ps_always)) progress=FIO_ps_never; |
| 1514 | FIO_setProgressSetting(progress); |
| 1515 | |
| 1516 | /* don't remove source files when output is stdout */; |
| 1517 | if (hasStdout && removeSrcFile) { |
| 1518 | DISPLAYLEVEL(3, "Note: src files are not removed when output is stdout \n"); |
| 1519 | removeSrcFile = 0; |
| 1520 | } |
| 1521 | FIO_setRemoveSrcFile(prefs, removeSrcFile); |
| 1522 | |
| 1523 | /* IO Stream/File */ |
| 1524 | FIO_setHasStdoutOutput(fCtx, hasStdout); |
| 1525 | FIO_setNbFilesTotal(fCtx, (int)filenames->tableSize); |
| 1526 | FIO_determineHasStdinInput(fCtx, filenames); |
| 1527 | FIO_setNotificationLevel(g_displayLevel); |
| 1528 | FIO_setAllowBlockDevices(prefs, allowBlockDevices); |
| 1529 | FIO_setPatchFromMode(prefs, patchFromDictFileName != NULL); |
| 1530 | FIO_setMMapDict(prefs, mmapDict); |
| 1531 | if (memLimit == 0) { |
| 1532 | if (compressionParams.windowLog == 0) { |
| 1533 | memLimit = (U32)1 << g_defaultMaxWindowLog; |
| 1534 | } else { |
| 1535 | memLimit = (U32)1 << (compressionParams.windowLog & 31); |
| 1536 | } } |
| 1537 | if (patchFromDictFileName != NULL) |
| 1538 | dictFileName = patchFromDictFileName; |
| 1539 | FIO_setMemLimit(prefs, memLimit); |
| 1540 | if (operation==zom_compress) { |
| 1541 | #ifndef ZSTD_NOCOMPRESS |
| 1542 | FIO_setCompressionType(prefs, cType); |
| 1543 | FIO_setContentSize(prefs, contentSize); |
| 1544 | FIO_setNbWorkers(prefs, (int)nbWorkers); |
| 1545 | FIO_setBlockSize(prefs, (int)blockSize); |
| 1546 | if (g_overlapLog!=OVERLAP_LOG_DEFAULT) FIO_setOverlapLog(prefs, (int)g_overlapLog); |
| 1547 | FIO_setLdmFlag(prefs, (unsigned)ldmFlag); |
| 1548 | FIO_setLdmHashLog(prefs, (int)g_ldmHashLog); |
| 1549 | FIO_setLdmMinMatch(prefs, (int)g_ldmMinMatch); |
| 1550 | if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) FIO_setLdmBucketSizeLog(prefs, (int)g_ldmBucketSizeLog); |
| 1551 | if (g_ldmHashRateLog != LDM_PARAM_DEFAULT) FIO_setLdmHashRateLog(prefs, (int)g_ldmHashRateLog); |
| 1552 | FIO_setAdaptiveMode(prefs, adapt); |
| 1553 | FIO_setUseRowMatchFinder(prefs, (int)useRowMatchFinder); |
| 1554 | FIO_setAdaptMin(prefs, adaptMin); |
| 1555 | FIO_setAdaptMax(prefs, adaptMax); |
| 1556 | FIO_setRsyncable(prefs, rsyncable); |
| 1557 | FIO_setStreamSrcSize(prefs, streamSrcSize); |
| 1558 | FIO_setTargetCBlockSize(prefs, targetCBlockSize); |
| 1559 | FIO_setSrcSizeHint(prefs, srcSizeHint); |
| 1560 | FIO_setLiteralCompressionMode(prefs, literalCompressionMode); |
| 1561 | FIO_setSparseWrite(prefs, 0); |
| 1562 | if (adaptMin > cLevel) cLevel = adaptMin; |
| 1563 | if (adaptMax < cLevel) cLevel = adaptMax; |
| 1564 | |
| 1565 | /* Compare strategies constant with the ground truth */ |
| 1566 | { ZSTD_bounds strategyBounds = ZSTD_cParam_getBounds(ZSTD_c_strategy); |
| 1567 | assert(ZSTD_NB_STRATEGIES == strategyBounds.upperBound); |
| 1568 | (void)strategyBounds; } |
| 1569 | |
| 1570 | if (showDefaultCParams || g_displayLevel >= 4) { |
| 1571 | size_t fileNb; |
| 1572 | for (fileNb = 0; fileNb < (size_t)filenames->tableSize; fileNb++) { |
| 1573 | if (showDefaultCParams) |
| 1574 | printDefaultCParams(filenames->fileNames[fileNb], dictFileName, cLevel); |
| 1575 | if (g_displayLevel >= 4) |
| 1576 | printActualCParams(filenames->fileNames[fileNb], dictFileName, cLevel, &compressionParams); |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | if (g_displayLevel >= 4) |
| 1581 | FIO_displayCompressionParameters(prefs); |
| 1582 | if ((filenames->tableSize==1) && outFileName) |
| 1583 | operationResult = FIO_compressFilename(fCtx, prefs, outFileName, filenames->fileNames[0], dictFileName, cLevel, compressionParams); |
| 1584 | else |
| 1585 | operationResult = FIO_compressMultipleFilenames(fCtx, prefs, filenames->fileNames, outMirroredDirName, outDirName, outFileName, suffix, dictFileName, cLevel, compressionParams); |
| 1586 | #else |
| 1587 | /* these variables are only used when compression mode is enabled */ |
| 1588 | (void)contentSize; (void)suffix; (void)adapt; (void)rsyncable; |
| 1589 | (void)ultra; (void)cLevel; (void)ldmFlag; (void)literalCompressionMode; |
| 1590 | (void)targetCBlockSize; (void)streamSrcSize; (void)srcSizeHint; |
| 1591 | (void)ZSTD_strategyMap; (void)useRowMatchFinder; (void)cType; |
| 1592 | DISPLAYLEVEL(1, "Compression not supported \n"); |
| 1593 | #endif |
| 1594 | } else { /* decompression or test */ |
| 1595 | #ifndef ZSTD_NODECOMPRESS |
| 1596 | if (filenames->tableSize == 1 && outFileName) { |
| 1597 | operationResult = FIO_decompressFilename(fCtx, prefs, outFileName, filenames->fileNames[0], dictFileName); |
| 1598 | } else { |
| 1599 | operationResult = FIO_decompressMultipleFilenames(fCtx, prefs, filenames->fileNames, outMirroredDirName, outDirName, outFileName, dictFileName); |
| 1600 | } |
| 1601 | #else |
| 1602 | DISPLAYLEVEL(1, "Decompression not supported \n"); |
| 1603 | #endif |
| 1604 | } |
| 1605 | |
| 1606 | _end: |
| 1607 | FIO_freePreferences(prefs); |
| 1608 | FIO_freeContext(fCtx); |
| 1609 | if (main_pause) waitEnter(); |
| 1610 | UTIL_freeFileNamesTable(filenames); |
| 1611 | UTIL_freeFileNamesTable(file_of_names); |
| 1612 | #ifndef ZSTD_NOTRACE |
| 1613 | TRACE_finish(); |
| 1614 | #endif |
| 1615 | |
| 1616 | return operationResult; |
| 1617 | } |
notaz.gp2x.de / pcsx_rearmed.git / blame