Compress-Stream-Zstd
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ext/zstd/programs/zstdcli.c view on Meta::CPAN
val32 = readU32FromChar(&__nb); \
if(*__nb != 0) { \
errorOut("error: only numeric values with optional suffixes K, KB, KiB, M, MB, MiB are allowed"); \
} \
}
#define NEXT_TSIZE(valTsize) { \
const char* __nb; \
NEXT_FIELD(__nb); \
valTsize = readSizeTFromChar(&__nb); \
if(*__nb != 0) { \
errorOut("error: only numeric values with optional suffixes K, KB, KiB, M, MB, MiB are allowed"); \
} \
}
typedef enum { zom_compress, zom_decompress, zom_test, zom_bench, zom_train, zom_list } zstd_operation_mode;
#define CLEAN_RETURN(i) { operationResult = (i); goto _end; }
#ifdef ZSTD_NOCOMPRESS
/* symbols from compression library are not defined and should not be invoked */
# define MINCLEVEL -99
# define MAXCLEVEL 22
#else
# define MINCLEVEL ZSTD_minCLevel()
# define MAXCLEVEL ZSTD_maxCLevel()
#endif
int main(int argCount, const char* argv[])
{
int argNb,
followLinks = 0,
allowBlockDevices = 0,
forceStdin = 0,
forceStdout = 0,
hasStdout = 0,
ldmFlag = 0,
main_pause = 0,
adapt = 0,
adaptMin = MINCLEVEL,
adaptMax = MAXCLEVEL,
rsyncable = 0,
nextArgumentsAreFiles = 0,
operationResult = 0,
separateFiles = 0,
setRealTimePrio = 0,
singleThread = 0,
defaultLogicalCores = 0,
showDefaultCParams = 0,
ultra=0,
contentSize=1,
removeSrcFile=0;
ZSTD_paramSwitch_e mmapDict=ZSTD_ps_auto;
ZSTD_paramSwitch_e useRowMatchFinder = ZSTD_ps_auto;
FIO_compressionType_t cType = FIO_zstdCompression;
unsigned nbWorkers = 0;
double compressibility = 0.5;
unsigned bench_nbSeconds = 3; /* would be better if this value was synchronized from bench */
size_t blockSize = 0;
FIO_prefs_t* const prefs = FIO_createPreferences();
FIO_ctx_t* const fCtx = FIO_createContext();
FIO_progressSetting_e progress = FIO_ps_auto;
zstd_operation_mode operation = zom_compress;
ZSTD_compressionParameters compressionParams;
int cLevel = init_cLevel();
int cLevelLast = MINCLEVEL - 1; /* lower than minimum */
unsigned recursive = 0;
unsigned memLimit = 0;
FileNamesTable* filenames = UTIL_allocateFileNamesTable((size_t)argCount); /* argCount >= 1 */
FileNamesTable* file_of_names = UTIL_allocateFileNamesTable((size_t)argCount); /* argCount >= 1 */
const char* programName = argv[0];
const char* outFileName = NULL;
const char* outDirName = NULL;
const char* outMirroredDirName = NULL;
const char* dictFileName = NULL;
const char* patchFromDictFileName = NULL;
const char* suffix = ZSTD_EXTENSION;
unsigned maxDictSize = g_defaultMaxDictSize;
unsigned dictID = 0;
size_t streamSrcSize = 0;
size_t targetCBlockSize = 0;
size_t srcSizeHint = 0;
size_t nbInputFileNames = 0;
int dictCLevel = g_defaultDictCLevel;
unsigned dictSelect = g_defaultSelectivityLevel;
#ifndef ZSTD_NODICT
ZDICT_cover_params_t coverParams = defaultCoverParams();
ZDICT_fastCover_params_t fastCoverParams = defaultFastCoverParams();
dictType dict = fastCover;
#endif
#ifndef ZSTD_NOBENCH
BMK_advancedParams_t benchParams = BMK_initAdvancedParams();
#endif
ZSTD_paramSwitch_e literalCompressionMode = ZSTD_ps_auto;
/* init */
checkLibVersion();
(void)recursive; (void)cLevelLast; /* not used when ZSTD_NOBENCH set */
(void)memLimit;
assert(argCount >= 1);
if ((filenames==NULL) || (file_of_names==NULL)) { DISPLAYLEVEL(1, "zstd: allocation error \n"); exit(1); }
programName = lastNameFromPath(programName);
#ifdef ZSTD_MULTITHREAD
nbWorkers = init_nbThreads();
#endif
/* preset behaviors */
if (exeNameMatch(programName, ZSTD_ZSTDMT)) nbWorkers=0, singleThread=0;
if (exeNameMatch(programName, ZSTD_UNZSTD)) operation=zom_decompress;
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 */
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 mult...
if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
suffix = GZ_EXTENSION; cType = FIO_gzipCompression; removeSrcFile=1;
dictCLevel = cLevel = 6; /* gzip default is -6 */
}
if (exeNameMatch(programName, ZSTD_GUNZIP)) { operation=zom_decompress; removeSrcFile=1; } /* behave like gunzip, also supports multiple formats */
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 mul...
if (exeNameMatch(programName, ZSTD_LZMA)) { suffix = LZMA_EXTENSION; cType = FIO_lzmaCompression; removeSrcFile=1; } /* behave like lzma */
if (exeNameMatch(programName, ZSTD_UNLZMA)) { operation=zom_decompress; cType = FIO_lzmaCompression; removeSrcFile=1; } /* behave like unlzma, also supports multiple formats */
if (exeNameMatch(programName, ZSTD_XZ)) { suffix = XZ_EXTENSION; cType = FIO_xzCompression; removeSrcFile=1; } /* behave like xz */
if (exeNameMatch(programName, ZSTD_UNXZ)) { operation=zom_decompress; cType = FIO_xzCompression; removeSrcFile=1; } /* behave like unxz, also supports multiple formats */
if (exeNameMatch(programName, ZSTD_LZ4)) { suffix = LZ4_EXTENSION; cType = FIO_lz4Compression; } /* behave like lz4 */
if (exeNameMatch(programName, ZSTD_UNLZ4)) { operation=zom_decompress; cType = FIO_lz4Compression; } /* behave like unlz4, also supports multiple formats */
memset(&compressionParams, 0, sizeof(compressionParams));
/* init crash handler */
FIO_addAbortHandler();
/* command switches */
for (argNb=1; argNb<argCount; argNb++) {
const char* argument = argv[argNb];
if (!argument) continue; /* Protection if argument empty */
if (nextArgumentsAreFiles) {
UTIL_refFilename(filenames, argument);
continue;
}
/* "-" means stdin/stdout */
if (!strcmp(argument, "-")){
UTIL_refFilename(filenames, stdinmark);
continue;
}
/* Decode commands (note : aggregated commands are allowed) */
if (argument[0]=='-') {
if (argument[1]=='-') {
/* long commands (--long-word) */
if (!strcmp(argument, "--")) { nextArgumentsAreFiles=1; continue; } /* only file names allowed from now on */
if (!strcmp(argument, "--list")) { operation=zom_list; continue; }
if (!strcmp(argument, "--compress")) { operation=zom_compress; continue; }
if (!strcmp(argument, "--decompress")) { operation=zom_decompress; continue; }
if (!strcmp(argument, "--uncompress")) { operation=zom_decompress; continue; }
if (!strcmp(argument, "--force")) { FIO_overwriteMode(prefs); forceStdin=1; forceStdout=1; followLinks=1; allowBlockDevices=1; continue; }
if (!strcmp(argument, "--version")) { printVersion(); CLEAN_RETURN(0); }
if (!strcmp(argument, "--help")) { usage_advanced(programName); CLEAN_RETURN(0); }
if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; }
if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; }
if (!strcmp(argument, "--stdout")) { forceStdout=1; outFileName=stdoutmark; removeSrcFile=0; continue; }
if (!strcmp(argument, "--ultra")) { ultra=1; continue; }
if (!strcmp(argument, "--check")) { FIO_setChecksumFlag(prefs, 2); continue; }
if (!strcmp(argument, "--no-check")) { FIO_setChecksumFlag(prefs, 0); continue; }
if (!strcmp(argument, "--sparse")) { FIO_setSparseWrite(prefs, 2); continue; }
if (!strcmp(argument, "--no-sparse")) { FIO_setSparseWrite(prefs, 0); continue; }
if (!strcmp(argument, "--pass-through")) { FIO_setPassThroughFlag(prefs, 1); continue; }
if (!strcmp(argument, "--no-pass-through")) { FIO_setPassThroughFlag(prefs, 0); continue; }
if (!strcmp(argument, "--test")) { operation=zom_test; continue; }
if (!strcmp(argument, "--asyncio")) { FIO_setAsyncIOFlag(prefs, 1); continue;}
if (!strcmp(argument, "--no-asyncio")) { FIO_setAsyncIOFlag(prefs, 0); continue;}
if (!strcmp(argument, "--train")) { operation=zom_train; if (outFileName==NULL) outFileName=g_defaultDictName; continue; }
if (!strcmp(argument, "--no-dictID")) { FIO_setDictIDFlag(prefs, 0); continue; }
if (!strcmp(argument, "--keep")) { removeSrcFile=0; continue; }
if (!strcmp(argument, "--rm")) { removeSrcFile=1; continue; }
if (!strcmp(argument, "--priority=rt")) { setRealTimePrio = 1; continue; }
if (!strcmp(argument, "--show-default-cparams")) { showDefaultCParams = 1; continue; }
if (!strcmp(argument, "--content-size")) { contentSize = 1; continue; }
if (!strcmp(argument, "--no-content-size")) { contentSize = 0; continue; }
if (!strcmp(argument, "--adapt")) { adapt = 1; continue; }
if (!strcmp(argument, "--no-row-match-finder")) { useRowMatchFinder = ZSTD_ps_disable; continue; }
if (!strcmp(argument, "--row-match-finder")) { useRowMatchFinder = ZSTD_ps_enable; continue; }
if (longCommandWArg(&argument, "--adapt=")) { adapt = 1; if (!parseAdaptParameters(argument, &adaptMin, &adaptMax)) { badusage(programName); CLEAN_RETURN(1); } continue; }
if (!strcmp(argument, "--single-thread")) { nbWorkers = 0; singleThread = 1; continue; }
if (!strcmp(argument, "--format=zstd")) { suffix = ZSTD_EXTENSION; cType = FIO_zstdCompression; continue; }
if (!strcmp(argument, "--mmap-dict")) { mmapDict = ZSTD_ps_enable; continue; }
if (!strcmp(argument, "--no-mmap-dict")) { mmapDict = ZSTD_ps_disable; continue; }
#ifdef ZSTD_GZCOMPRESS
if (!strcmp(argument, "--format=gzip")) { suffix = GZ_EXTENSION; cType = FIO_gzipCompression; continue; }
if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
if (!strcmp(argument, "--best")) { dictCLevel = cLevel = 9; continue; }
if (!strcmp(argument, "--no-name")) { /* ignore for now */; continue; }
}
#endif
#ifdef ZSTD_LZMACOMPRESS
if (!strcmp(argument, "--format=lzma")) { suffix = LZMA_EXTENSION; cType = FIO_lzmaCompression; continue; }
if (!strcmp(argument, "--format=xz")) { suffix = XZ_EXTENSION; cType = FIO_xzCompression; continue; }
#endif
#ifdef ZSTD_LZ4COMPRESS
if (!strcmp(argument, "--format=lz4")) { suffix = LZ4_EXTENSION; cType = FIO_lz4Compression; continue; }
#endif
if (!strcmp(argument, "--rsyncable")) { rsyncable = 1; continue; }
if (!strcmp(argument, "--compress-literals")) { literalCompressionMode = ZSTD_ps_enable; continue; }
if (!strcmp(argument, "--no-compress-literals")) { literalCompressionMode = ZSTD_ps_disable; continue; }
if (!strcmp(argument, "--no-progress")) { progress = FIO_ps_never; continue; }
if (!strcmp(argument, "--progress")) { progress = FIO_ps_always; continue; }
if (!strcmp(argument, "--exclude-compressed")) { FIO_setExcludeCompressedFile(prefs, 1); continue; }
if (!strcmp(argument, "--fake-stdin-is-console")) { UTIL_fakeStdinIsConsole(); continue; }
if (!strcmp(argument, "--fake-stdout-is-console")) { UTIL_fakeStdoutIsConsole(); continue; }
if (!strcmp(argument, "--fake-stderr-is-console")) { UTIL_fakeStderrIsConsole(); continue; }
if (!strcmp(argument, "--trace-file-stat")) { UTIL_traceFileStat(); continue; }
/* long commands with arguments */
#ifndef ZSTD_NODICT
if (longCommandWArg(&argument, "--train-cover")) {
operation = zom_train;
if (outFileName == NULL)
outFileName = g_defaultDictName;
dict = cover;
/* Allow optional arguments following an = */
if (*argument == 0) { memset(&coverParams, 0, sizeof(coverParams)); }
else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); }
else if (!parseCoverParameters(argument, &coverParams)) { badusage(programName); CLEAN_RETURN(1); }
continue;
}
if (longCommandWArg(&argument, "--train-fastcover")) {
operation = zom_train;
if (outFileName == NULL)
outFileName = g_defaultDictName;
dict = fastCover;
/* Allow optional arguments following an = */
if (*argument == 0) { memset(&fastCoverParams, 0, sizeof(fastCoverParams)); }
else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); }
else if (!parseFastCoverParameters(argument, &fastCoverParams)) { badusage(programName); CLEAN_RETURN(1); }
continue;
}
if (longCommandWArg(&argument, "--train-legacy")) {
operation = zom_train;
if (outFileName == NULL)
outFileName = g_defaultDictName;
dict = legacy;
/* Allow optional arguments following an = */
if (*argument == 0) { continue; }
else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); }
else if (!parseLegacyParameters(argument, &dictSelect)) { badusage(programName); CLEAN_RETURN(1); }
continue;
}
#endif
if (longCommandWArg(&argument, "--threads")) { NEXT_UINT32(nbWorkers); continue; }
if (longCommandWArg(&argument, "--memlimit")) { NEXT_UINT32(memLimit); continue; }
if (longCommandWArg(&argument, "--memory")) { NEXT_UINT32(memLimit); continue; }
if (longCommandWArg(&argument, "--memlimit-decompress")) { NEXT_UINT32(memLimit); continue; }
if (longCommandWArg(&argument, "--block-size")) { NEXT_TSIZE(blockSize); continue; }
if (longCommandWArg(&argument, "--maxdict")) { NEXT_UINT32(maxDictSize); continue; }
if (longCommandWArg(&argument, "--dictID")) { NEXT_UINT32(dictID); continue; }
if (longCommandWArg(&argument, "--zstd=")) { if (!parseCompressionParameters(argument, &compressionParams)) { badusage(programName); CLEAN_RETURN(1); } ; cType = FIO_zstdCompression; continue; }
if (longCommandWArg(&argument, "--stream-size")) { NEXT_TSIZE(streamSrcSize); continue; }
if (longCommandWArg(&argument, "--target-compressed-block-size")) { NEXT_TSIZE(targetCBlockSize); continue; }
if (longCommandWArg(&argument, "--size-hint")) { NEXT_TSIZE(srcSizeHint); continue; }
if (longCommandWArg(&argument, "--output-dir-flat")) {
NEXT_FIELD(outDirName);
if (strlen(outDirName) == 0) {
DISPLAYLEVEL(1, "error: output dir cannot be empty string (did you mean to pass '.' instead?)\n");
CLEAN_RETURN(1);
}
continue;
}
ext/zstd/programs/zstdcli.c view on Meta::CPAN
} else if (*argument != 0) {
/* Invalid character following --fast */
badusage(programName);
CLEAN_RETURN(1);
} else {
cLevel = -1; /* default for --fast */
}
continue;
}
#endif
if (longCommandWArg(&argument, "--filelist")) {
const char* listName;
NEXT_FIELD(listName);
UTIL_refFilename(file_of_names, listName);
continue;
}
/* fall-through, will trigger bad_usage() later on */
}
argument++;
while (argument[0]!=0) {
#ifndef ZSTD_NOCOMPRESS
/* compression Level */
if ((*argument>='0') && (*argument<='9')) {
dictCLevel = cLevel = (int)readU32FromChar(&argument);
continue;
}
#endif
switch(argument[0])
{
/* Display help */
case 'V': printVersion(); CLEAN_RETURN(0); /* Version Only */
case 'H': usage_advanced(programName); CLEAN_RETURN(0);
case 'h': usage(stdout, programName); CLEAN_RETURN(0);
/* Compress */
case 'z': operation=zom_compress; argument++; break;
/* Decoding */
case 'd':
#ifndef ZSTD_NOBENCH
benchParams.mode = BMK_decodeOnly;
if (operation==zom_bench) { argument++; break; } /* benchmark decode (hidden option) */
#endif
operation=zom_decompress; argument++; break;
/* Force stdout, even if stdout==console */
case 'c': forceStdout=1; outFileName=stdoutmark; removeSrcFile=0; argument++; break;
/* do not store filename - gzip compatibility - nothing to do */
case 'n': argument++; break;
/* Use file content as dictionary */
case 'D': argument++; NEXT_FIELD(dictFileName); break;
/* Overwrite */
case 'f': FIO_overwriteMode(prefs); forceStdin=1; forceStdout=1; followLinks=1; allowBlockDevices=1; argument++; break;
/* Verbose mode */
case 'v': g_displayLevel++; argument++; break;
/* Quiet mode */
case 'q': g_displayLevel--; argument++; break;
/* keep source file (default) */
case 'k': removeSrcFile=0; argument++; break;
/* Checksum */
case 'C': FIO_setChecksumFlag(prefs, 2); argument++; break;
/* test compressed file */
case 't': operation=zom_test; argument++; break;
/* destination file name */
case 'o': argument++; NEXT_FIELD(outFileName); break;
/* limit memory */
case 'M':
argument++;
memLimit = readU32FromChar(&argument);
break;
case 'l': operation=zom_list; argument++; break;
#ifdef UTIL_HAS_CREATEFILELIST
/* recursive */
case 'r': recursive=1; argument++; break;
#endif
#ifndef ZSTD_NOBENCH
/* Benchmark */
case 'b':
operation=zom_bench;
argument++;
break;
/* range bench (benchmark only) */
case 'e':
/* compression Level */
argument++;
cLevelLast = (int)readU32FromChar(&argument);
break;
/* Modify Nb Iterations (benchmark only) */
case 'i':
argument++;
bench_nbSeconds = readU32FromChar(&argument);
break;
/* cut input into blocks (benchmark only) */
case 'B':
argument++;
blockSize = readU32FromChar(&argument);
break;
/* benchmark files separately (hidden option) */
case 'S':
argument++;
separateFiles = 1;
break;
#endif /* ZSTD_NOBENCH */
/* nb of threads (hidden option) */
case 'T':
argument++;
nbWorkers = readU32FromChar(&argument);
break;
/* Dictionary Selection level */
case 's':
ext/zstd/programs/zstdcli.c view on Meta::CPAN
if (cLevelLast < cLevel) cLevelLast = cLevel;
if (cLevelLast > cLevel)
DISPLAYLEVEL(3, "Benchmarking levels from %d to %d\n", cLevel, cLevelLast);
if (filenames->tableSize > 0) {
if(separateFiles) {
unsigned i;
for(i = 0; i < filenames->tableSize; i++) {
int c;
DISPLAYLEVEL(3, "Benchmarking %s \n", filenames->fileNames[i]);
for(c = cLevel; c <= cLevelLast; c++) {
operationResult = BMK_benchFilesAdvanced(&filenames->fileNames[i], 1, dictFileName, c, &compressionParams, g_displayLevel, &benchParams);
} }
} else {
for(; cLevel <= cLevelLast; cLevel++) {
operationResult = BMK_benchFilesAdvanced(filenames->fileNames, (unsigned)filenames->tableSize, dictFileName, cLevel, &compressionParams, g_displayLevel, &benchParams);
} }
} else {
for(; cLevel <= cLevelLast; cLevel++) {
operationResult = BMK_syntheticTest(cLevel, compressibility, &compressionParams, g_displayLevel, &benchParams);
} }
#else
(void)bench_nbSeconds; (void)blockSize; (void)setRealTimePrio; (void)separateFiles; (void)compressibility;
#endif
goto _end;
}
/* Check if dictionary builder is selected */
if (operation==zom_train) {
#ifndef ZSTD_NODICT
ZDICT_params_t zParams;
zParams.compressionLevel = dictCLevel;
zParams.notificationLevel = (unsigned)g_displayLevel;
zParams.dictID = dictID;
if (dict == cover) {
int const optimize = !coverParams.k || !coverParams.d;
coverParams.nbThreads = (unsigned)nbWorkers;
coverParams.zParams = zParams;
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, NULL, &coverParams, NULL, optimize, memLimit);
} else if (dict == fastCover) {
int const optimize = !fastCoverParams.k || !fastCoverParams.d;
fastCoverParams.nbThreads = (unsigned)nbWorkers;
fastCoverParams.zParams = zParams;
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, NULL, NULL, &fastCoverParams, optimize, memLimit);
} else {
ZDICT_legacy_params_t dictParams;
memset(&dictParams, 0, sizeof(dictParams));
dictParams.selectivityLevel = dictSelect;
dictParams.zParams = zParams;
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, &dictParams, NULL, NULL, 0, memLimit);
}
#else
(void)dictCLevel; (void)dictSelect; (void)dictID; (void)maxDictSize; /* not used when ZSTD_NODICT set */
DISPLAYLEVEL(1, "training mode not available \n");
operationResult = 1;
#endif
goto _end;
}
#ifndef ZSTD_NODECOMPRESS
if (operation==zom_test) { FIO_setTestMode(prefs, 1); outFileName=nulmark; removeSrcFile=0; } /* test mode */
#endif
/* No input filename ==> use stdin and stdout */
if (filenames->tableSize == 0) {
/* It is possible that the input
was a number of empty directories. In this case
stdin and stdout should not be used */
if (nbInputFileNames > 0 ){
DISPLAYLEVEL(1, "please provide correct input file(s) or non-empty directories -- ignored \n");
CLEAN_RETURN(0);
}
UTIL_refFilename(filenames, stdinmark);
}
if (filenames->tableSize == 1 && !strcmp(filenames->fileNames[0], stdinmark) && !outFileName)
outFileName = stdoutmark; /* when input is stdin, default output is stdout */
/* Check if input/output defined as console; trigger an error in this case */
if (!forceStdin
&& (UTIL_searchFileNamesTable(filenames, stdinmark) != -1)
&& UTIL_isConsole(stdin) ) {
DISPLAYLEVEL(1, "stdin is a console, aborting\n");
CLEAN_RETURN(1);
}
if ( (!outFileName || !strcmp(outFileName, stdoutmark))
&& UTIL_isConsole(stdout)
&& (UTIL_searchFileNamesTable(filenames, stdinmark) != -1)
&& !forceStdout
&& operation!=zom_decompress ) {
DISPLAYLEVEL(1, "stdout is a console, aborting\n");
CLEAN_RETURN(1);
}
#ifndef ZSTD_NOCOMPRESS
/* check compression level limits */
{ int const maxCLevel = ultra ? ZSTD_maxCLevel() : ZSTDCLI_CLEVEL_MAX;
if (cLevel > maxCLevel) {
DISPLAYLEVEL(2, "Warning : compression level higher than max, reduced to %i \n", maxCLevel);
cLevel = maxCLevel;
} }
#endif
if (showDefaultCParams) {
if (operation == zom_decompress) {
DISPLAYLEVEL(1, "error : can't use --show-default-cparams in decompression mode \n");
CLEAN_RETURN(1);
}
}
if (dictFileName != NULL && patchFromDictFileName != NULL) {
DISPLAYLEVEL(1, "error : can't use -D and --patch-from=# at the same time \n");
CLEAN_RETURN(1);
}
if (patchFromDictFileName != NULL && filenames->tableSize > 1) {
DISPLAYLEVEL(1, "error : can't use --patch-from=# on multiple files \n");
CLEAN_RETURN(1);
}
/* No status message by default when output is stdout */
hasStdout = outFileName && !strcmp(outFileName,stdoutmark);
if (hasStdout && (g_displayLevel==2)) g_displayLevel=1;
/* when stderr is not the console, do not pollute it with progress updates (unless requested) */
if (!UTIL_isConsole(stderr) && (progress!=FIO_ps_always)) progress=FIO_ps_never;
FIO_setProgressSetting(progress);
/* don't remove source files when output is stdout */;
if (hasStdout && removeSrcFile) {
DISPLAYLEVEL(3, "Note: src files are not removed when output is stdout \n");
removeSrcFile = 0;
}
FIO_setRemoveSrcFile(prefs, removeSrcFile);
/* IO Stream/File */
FIO_setHasStdoutOutput(fCtx, hasStdout);
FIO_setNbFilesTotal(fCtx, (int)filenames->tableSize);
FIO_determineHasStdinInput(fCtx, filenames);
FIO_setNotificationLevel(g_displayLevel);
FIO_setAllowBlockDevices(prefs, allowBlockDevices);
FIO_setPatchFromMode(prefs, patchFromDictFileName != NULL);
FIO_setMMapDict(prefs, mmapDict);
if (memLimit == 0) {
if (compressionParams.windowLog == 0) {
memLimit = (U32)1 << g_defaultMaxWindowLog;
} else {
memLimit = (U32)1 << (compressionParams.windowLog & 31);
} }
if (patchFromDictFileName != NULL)
dictFileName = patchFromDictFileName;
FIO_setMemLimit(prefs, memLimit);
if (operation==zom_compress) {
#ifndef ZSTD_NOCOMPRESS
FIO_setCompressionType(prefs, cType);
FIO_setContentSize(prefs, contentSize);
FIO_setNbWorkers(prefs, (int)nbWorkers);
FIO_setBlockSize(prefs, (int)blockSize);
if (g_overlapLog!=OVERLAP_LOG_DEFAULT) FIO_setOverlapLog(prefs, (int)g_overlapLog);
FIO_setLdmFlag(prefs, (unsigned)ldmFlag);
FIO_setLdmHashLog(prefs, (int)g_ldmHashLog);
FIO_setLdmMinMatch(prefs, (int)g_ldmMinMatch);
if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) FIO_setLdmBucketSizeLog(prefs, (int)g_ldmBucketSizeLog);
if (g_ldmHashRateLog != LDM_PARAM_DEFAULT) FIO_setLdmHashRateLog(prefs, (int)g_ldmHashRateLog);
FIO_setAdaptiveMode(prefs, adapt);
FIO_setUseRowMatchFinder(prefs, (int)useRowMatchFinder);
FIO_setAdaptMin(prefs, adaptMin);
FIO_setAdaptMax(prefs, adaptMax);
FIO_setRsyncable(prefs, rsyncable);
FIO_setStreamSrcSize(prefs, streamSrcSize);
FIO_setTargetCBlockSize(prefs, targetCBlockSize);
FIO_setSrcSizeHint(prefs, srcSizeHint);
FIO_setLiteralCompressionMode(prefs, literalCompressionMode);
FIO_setSparseWrite(prefs, 0);
if (adaptMin > cLevel) cLevel = adaptMin;
if (adaptMax < cLevel) cLevel = adaptMax;
/* Compare strategies constant with the ground truth */
{ ZSTD_bounds strategyBounds = ZSTD_cParam_getBounds(ZSTD_c_strategy);
assert(ZSTD_NB_STRATEGIES == strategyBounds.upperBound);
(void)strategyBounds; }
if (showDefaultCParams || g_displayLevel >= 4) {
size_t fileNb;
for (fileNb = 0; fileNb < (size_t)filenames->tableSize; fileNb++) {
if (showDefaultCParams)
printDefaultCParams(filenames->fileNames[fileNb], dictFileName, cLevel);
if (g_displayLevel >= 4)
printActualCParams(filenames->fileNames[fileNb], dictFileName, cLevel, &compressionParams);
}
}
if (g_displayLevel >= 4)
FIO_displayCompressionParameters(prefs);
if ((filenames->tableSize==1) && outFileName)
operationResult = FIO_compressFilename(fCtx, prefs, outFileName, filenames->fileNames[0], dictFileName, cLevel, compressionParams);
else
operationResult = FIO_compressMultipleFilenames(fCtx, prefs, filenames->fileNames, outMirroredDirName, outDirName, outFileName, suffix, dictFileName, cLevel, compressionParams);
#else
/* these variables are only used when compression mode is enabled */
(void)contentSize; (void)suffix; (void)adapt; (void)rsyncable;
(void)ultra; (void)cLevel; (void)ldmFlag; (void)literalCompressionMode;
(void)targetCBlockSize; (void)streamSrcSize; (void)srcSizeHint;
(void)ZSTD_strategyMap; (void)useRowMatchFinder; (void)cType;
DISPLAYLEVEL(1, "Compression not supported \n");
#endif
} else { /* decompression or test */
#ifndef ZSTD_NODECOMPRESS
if (filenames->tableSize == 1 && outFileName) {
operationResult = FIO_decompressFilename(fCtx, prefs, outFileName, filenames->fileNames[0], dictFileName);
} else {
operationResult = FIO_decompressMultipleFilenames(fCtx, prefs, filenames->fileNames, outMirroredDirName, outDirName, outFileName, dictFileName);
}
#else
DISPLAYLEVEL(1, "Decompression not supported \n");
#endif
}
_end:
FIO_freePreferences(prefs);
FIO_freeContext(fCtx);
if (main_pause) waitEnter();
UTIL_freeFileNamesTable(filenames);
UTIL_freeFileNamesTable(file_of_names);
#ifndef ZSTD_NOTRACE
TRACE_finish();
#endif
return operationResult;
}
( run in 0.662 second using v1.01-cache-2.11-cpan-0bb4e1dffa6 )