Merge pull request #640 from tzakian/remove_io_globals
Remove a bunch of global variables that tracked settings for the IO module
This commit is contained in:
Yann Collet
GitHub
commit
94afb9a87b
@ -92,7 +92,7 @@ static unsigned displayLevel = 2; /* 0 : no display ; 1: errors only ; 2 : dow
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***************************************/
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#define DEFAULT_COMPRESSOR LZ4IO_compressFilename
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#define DEFAULT_DECOMPRESSOR LZ4IO_decompressFilename
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int LZ4IO_compressFilename_Legacy(const char* input_filename, const char* output_filename, int compressionlevel); /* hidden function */
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int LZ4IO_compressFilename_Legacy(LZ4IO_prefs_t* const prefs, const char* input_filename, const char* output_filename, int compressionlevel); /* hidden function */
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/*-***************************
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@ -318,9 +318,10 @@ int main(int argc, const char** argv)
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char* dynNameSpace = NULL;
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const char** inFileNames = (const char**) calloc(argc, sizeof(char*));
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unsigned ifnIdx=0;
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LZ4IO_prefs_t* const prefs = LZ4IO_defaultPreferences();
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const char nullOutput[] = NULL_OUTPUT;
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const char extension[] = LZ4_EXTENSION;
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size_t blockSize = LZ4IO_setBlockSizeID(LZ4_BLOCKSIZEID_DEFAULT);
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size_t blockSize = LZ4IO_setBlockSizeID(prefs, LZ4_BLOCKSIZEID_DEFAULT);
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const char* const exeName = lastNameFromPath(argv[0]);
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#ifdef UTIL_HAS_CREATEFILELIST
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const char** extendedFileList = NULL;
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@ -334,14 +335,14 @@ int main(int argc, const char** argv)
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return 1;
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}
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inFileNames[0] = stdinmark;
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LZ4IO_setOverwrite(0);
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LZ4IO_setOverwrite(prefs, 0);
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/* predefined behaviors, based on binary/link name */
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if (exeNameMatch(exeName, LZ4CAT)) {
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mode = om_decompress;
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LZ4IO_setOverwrite(1);
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LZ4IO_setPassThrough(1);
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LZ4IO_setRemoveSrcFile(0);
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LZ4IO_setOverwrite(prefs, 1);
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LZ4IO_setPassThrough(prefs, 1);
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LZ4IO_setRemoveSrcFile(prefs, 0);
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forceStdout=1;
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output_filename=stdoutmark;
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displayLevel=1;
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@ -373,23 +374,23 @@ int main(int argc, const char** argv)
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|| (!strcmp(argument, "--uncompress"))) { mode = om_decompress; continue; }
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if (!strcmp(argument, "--multiple")) { multiple_inputs = 1; continue; }
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if (!strcmp(argument, "--test")) { mode = om_test; continue; }
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if (!strcmp(argument, "--force")) { LZ4IO_setOverwrite(1); continue; }
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if (!strcmp(argument, "--no-force")) { LZ4IO_setOverwrite(0); continue; }
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if (!strcmp(argument, "--force")) { LZ4IO_setOverwrite(prefs, 1); continue; }
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if (!strcmp(argument, "--no-force")) { LZ4IO_setOverwrite(prefs, 0); continue; }
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if ((!strcmp(argument, "--stdout"))
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|| (!strcmp(argument, "--to-stdout"))) { forceStdout=1; output_filename=stdoutmark; continue; }
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if (!strcmp(argument, "--frame-crc")) { LZ4IO_setStreamChecksumMode(1); continue; }
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if (!strcmp(argument, "--no-frame-crc")) { LZ4IO_setStreamChecksumMode(0); continue; }
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if (!strcmp(argument, "--content-size")) { LZ4IO_setContentSize(1); continue; }
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if (!strcmp(argument, "--no-content-size")) { LZ4IO_setContentSize(0); continue; }
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if (!strcmp(argument, "--sparse")) { LZ4IO_setSparseFile(2); continue; }
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if (!strcmp(argument, "--no-sparse")) { LZ4IO_setSparseFile(0); continue; }
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if (!strcmp(argument, "--favor-decSpeed")) { LZ4IO_favorDecSpeed(1); continue; }
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if (!strcmp(argument, "--frame-crc")) { LZ4IO_setStreamChecksumMode(prefs, 1); continue; }
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if (!strcmp(argument, "--no-frame-crc")) { LZ4IO_setStreamChecksumMode(prefs, 0); continue; }
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if (!strcmp(argument, "--content-size")) { LZ4IO_setContentSize(prefs, 1); continue; }
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if (!strcmp(argument, "--no-content-size")) { LZ4IO_setContentSize(prefs, 0); continue; }
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if (!strcmp(argument, "--sparse")) { LZ4IO_setSparseFile(prefs, 2); continue; }
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if (!strcmp(argument, "--no-sparse")) { LZ4IO_setSparseFile(prefs, 0); continue; }
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if (!strcmp(argument, "--favor-decSpeed")) { LZ4IO_favorDecSpeed(prefs, 1); continue; }
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if (!strcmp(argument, "--verbose")) { displayLevel++; continue; }
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if (!strcmp(argument, "--quiet")) { if (displayLevel) displayLevel--; continue; }
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if (!strcmp(argument, "--version")) { DISPLAY(WELCOME_MESSAGE); return 0; }
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if (!strcmp(argument, "--help")) { usage_advanced(exeName); goto _cleanup; }
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if (!strcmp(argument, "--keep")) { LZ4IO_setRemoveSrcFile(0); continue; } /* keep source file (default) */
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if (!strcmp(argument, "--rm")) { LZ4IO_setRemoveSrcFile(1); continue; }
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if (!strcmp(argument, "--keep")) { LZ4IO_setRemoveSrcFile(prefs, 0); continue; } /* keep source file (default) */
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if (!strcmp(argument, "--rm")) { LZ4IO_setRemoveSrcFile(prefs, 1); continue; }
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if (longCommandWArg(&argument, "--fast")) {
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/* Parse optional acceleration factor */
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if (*argument == '=') {
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@ -420,7 +421,7 @@ int main(int argc, const char** argv)
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if (!strcmp(argument, "c1")) { cLevel=9; argument++; continue; } /* -c1 (high compression) */
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if (!strcmp(argument, "c2")) { cLevel=12; argument++; continue; } /* -c2 (very high compression) */
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if (!strcmp(argument, "hc")) { cLevel=12; argument++; continue; } /* -hc (very high compression) */
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if (!strcmp(argument, "y")) { LZ4IO_setOverwrite(1); continue; } /* -y (answer 'yes' to overwrite permission) */
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if (!strcmp(argument, "y")) { LZ4IO_setOverwrite(prefs, 1); continue; } /* -y (answer 'yes' to overwrite permission) */
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}
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if ((*argument>='0') && (*argument<='9')) {
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@ -472,14 +473,14 @@ int main(int argc, const char** argv)
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case 'c':
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forceStdout=1;
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output_filename=stdoutmark;
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LZ4IO_setPassThrough(1);
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LZ4IO_setPassThrough(prefs, 1);
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break;
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/* Test integrity */
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case 't': mode = om_test; break;
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/* Overwrite */
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case 'f': LZ4IO_setOverwrite(1); break;
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case 'f': LZ4IO_setOverwrite(prefs, 1); break;
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/* Verbose mode */
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case 'v': displayLevel++; break;
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@ -488,7 +489,7 @@ int main(int argc, const char** argv)
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case 'q': if (displayLevel) displayLevel--; break;
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/* keep source file (default anyway, so useless) (for xz/lzma compatibility) */
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case 'k': LZ4IO_setRemoveSrcFile(0); break;
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case 'k': LZ4IO_setRemoveSrcFile(prefs, 0); break;
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/* Modify Block Properties */
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case 'B':
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@ -496,8 +497,8 @@ int main(int argc, const char** argv)
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int exitBlockProperties=0;
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switch(argument[1])
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{
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case 'D': LZ4IO_setBlockMode(LZ4IO_blockLinked); argument++; break;
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case 'X': LZ4IO_setBlockChecksumMode(1); argument ++; break; /* disabled by default */
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case 'D': LZ4IO_setBlockMode(prefs, LZ4IO_blockLinked); argument++; break;
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case 'X': LZ4IO_setBlockChecksumMode(prefs, 1); argument ++; break; /* disabled by default */
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default :
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if (argument[1] < '0' || argument[1] > '9') {
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exitBlockProperties=1;
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@ -509,12 +510,12 @@ int main(int argc, const char** argv)
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argument--;
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if (B < 4) badusage(exeName);
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if (B <= 7) {
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blockSize = LZ4IO_setBlockSizeID(B);
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blockSize = LZ4IO_setBlockSizeID(prefs, B);
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BMK_setBlockSize(blockSize);
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DISPLAYLEVEL(2, "using blocks of size %u KB \n", (U32)(blockSize>>10));
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} else {
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if (B < 32) badusage(exeName);
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blockSize = LZ4IO_setBlockSize(B);
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blockSize = LZ4IO_setBlockSize(prefs, B);
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BMK_setBlockSize(blockSize);
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if (blockSize >= 1024) {
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DISPLAYLEVEL(2, "using blocks of size %u KB \n", (U32)(blockSize>>10));
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@ -623,7 +624,7 @@ int main(int argc, const char** argv)
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}
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if (mode == om_test) {
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LZ4IO_setTestMode(1);
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LZ4IO_setTestMode(prefs, 1);
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output_filename = nulmark;
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mode = om_decompress; /* defer to decompress */
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}
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@ -633,7 +634,7 @@ int main(int argc, const char** argv)
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DISPLAYLEVEL(1, "refusing to read from a console\n");
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exit(1);
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}
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LZ4IO_setDictionaryFilename(dictionary_filename);
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LZ4IO_setDictionaryFilename(prefs, dictionary_filename);
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}
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/* compress or decompress */
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@ -699,18 +700,18 @@ int main(int argc, const char** argv)
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if (ifnIdx == 0) multiple_inputs = 0;
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if (mode == om_decompress) {
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if (multiple_inputs)
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operationResult = LZ4IO_decompressMultipleFilenames(inFileNames, ifnIdx, !strcmp(output_filename,stdoutmark) ? stdoutmark : LZ4_EXTENSION);
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operationResult = LZ4IO_decompressMultipleFilenames(prefs, inFileNames, ifnIdx, !strcmp(output_filename,stdoutmark) ? stdoutmark : LZ4_EXTENSION);
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else
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operationResult = DEFAULT_DECOMPRESSOR(input_filename, output_filename);
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operationResult = DEFAULT_DECOMPRESSOR(prefs, input_filename, output_filename);
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} else { /* compression is default action */
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if (legacy_format) {
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DISPLAYLEVEL(3, "! Generating LZ4 Legacy format (deprecated) ! \n");
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LZ4IO_compressFilename_Legacy(input_filename, output_filename, cLevel);
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LZ4IO_compressFilename_Legacy(prefs, input_filename, output_filename, cLevel);
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} else {
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if (multiple_inputs)
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operationResult = LZ4IO_compressMultipleFilenames(inFileNames, ifnIdx, LZ4_EXTENSION, cLevel);
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operationResult = LZ4IO_compressMultipleFilenames(prefs, inFileNames, ifnIdx, LZ4_EXTENSION, cLevel);
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else
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operationResult = DEFAULT_COMPRESSOR(input_filename, output_filename, cLevel);
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operationResult = DEFAULT_COMPRESSOR(prefs, input_filename, output_filename, cLevel);
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}
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}
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@ -723,6 +724,7 @@ _cleanup:
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inFileNames = NULL;
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}
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#endif
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LZ4IO_freePreferences(prefs);
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free((void*)inFileNames);
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return operationResult;
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}
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268
programs/lz4io.c
268
programs/lz4io.c
@ -107,20 +107,23 @@ static clock_t g_time = 0;
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/**************************************
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* Local Parameters
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**************************************/
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static int g_passThrough = 0;
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static int g_overwrite = 1;
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static int g_testMode = 0;
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static int g_blockSizeId = LZ4IO_BLOCKSIZEID_DEFAULT;
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static size_t g_blockSize = 0;
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static int g_blockChecksum = 0;
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static int g_streamChecksum = 1;
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static int g_blockIndependence = 1;
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static int g_sparseFileSupport = 1;
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static int g_contentSizeFlag = 0;
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static int g_useDictionary = 0;
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static unsigned g_favorDecSpeed = 0;
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static const char* g_dictionaryFilename = NULL;
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struct LZ4IO_prefs_s {
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int passThrough;
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int overwrite;
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int testMode;
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int blockSizeId;
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size_t blockSize;
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int blockChecksum;
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int streamChecksum;
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int blockIndependence;
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int sparseFileSupport;
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int contentSizeFlag;
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int useDictionary;
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unsigned favorDecSpeed;
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char const* dictionaryFilename;
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U32 removeSrcFile;
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};
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/**************************************
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* Exceptions
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@ -152,81 +155,109 @@ static const char* g_dictionaryFilename = NULL;
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/* ****************** Parameters ******************** */
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/* ************************************************** */
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int LZ4IO_setDictionaryFilename(const char* dictionaryFilename) {
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g_dictionaryFilename = dictionaryFilename;
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g_useDictionary = dictionaryFilename != NULL;
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return g_useDictionary;
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LZ4IO_prefs_t* LZ4IO_defaultPreferences(void)
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{
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LZ4IO_prefs_t* const ret = (LZ4IO_prefs_t*)malloc(sizeof(LZ4IO_prefs_t));
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if (!ret) EXM_THROW(21, "Allocation error : not enough memory");
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ret->passThrough = 0;
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ret->overwrite = 1;
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ret->testMode = 0;
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ret->blockSizeId = LZ4IO_BLOCKSIZEID_DEFAULT;
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ret->blockSize = 0;
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ret->blockChecksum = 0;
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ret->streamChecksum = 1;
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ret->blockIndependence = 1;
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ret->sparseFileSupport = 1;
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ret->contentSizeFlag = 0;
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ret->useDictionary = 0;
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ret->favorDecSpeed = 0;
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ret->dictionaryFilename = NULL;
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ret->removeSrcFile = 0;
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return ret;
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}
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void LZ4IO_freePreferences(LZ4IO_prefs_t* const prefs)
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{
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free(prefs);
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}
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int LZ4IO_setDictionaryFilename(LZ4IO_prefs_t* const prefs, const char* dictionaryFilename)
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{
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prefs->dictionaryFilename = dictionaryFilename;
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prefs->useDictionary = dictionaryFilename != NULL;
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return prefs->useDictionary;
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}
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/* Default setting : passThrough = 0; return : passThrough mode (0/1) */
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int LZ4IO_setPassThrough(int yes)
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int LZ4IO_setPassThrough(LZ4IO_prefs_t* const prefs, int yes)
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{
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g_passThrough = (yes!=0);
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return g_passThrough;
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prefs->passThrough = (yes!=0);
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return prefs->passThrough;
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}
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/* Default setting : overwrite = 1; return : overwrite mode (0/1) */
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int LZ4IO_setOverwrite(int yes)
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int LZ4IO_setOverwrite(LZ4IO_prefs_t* const prefs, int yes)
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{
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g_overwrite = (yes!=0);
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return g_overwrite;
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prefs->overwrite = (yes!=0);
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return prefs->overwrite;
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}
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/* Default setting : testMode = 0; return : testMode (0/1) */
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int LZ4IO_setTestMode(int yes)
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int LZ4IO_setTestMode(LZ4IO_prefs_t* const prefs, int yes)
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{
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g_testMode = (yes!=0);
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return g_testMode;
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prefs->testMode = (yes!=0);
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return prefs->testMode;
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}
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/* blockSizeID : valid values : 4-5-6-7 */
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size_t LZ4IO_setBlockSizeID(unsigned bsid)
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size_t LZ4IO_setBlockSizeID(LZ4IO_prefs_t* const prefs, unsigned bsid)
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{
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static const size_t blockSizeTable[] = { 64 KB, 256 KB, 1 MB, 4 MB };
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static const unsigned minBlockSizeID = 4;
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static const unsigned maxBlockSizeID = 7;
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if ((bsid < minBlockSizeID) || (bsid > maxBlockSizeID)) return 0;
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g_blockSizeId = bsid;
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g_blockSize = blockSizeTable[g_blockSizeId-minBlockSizeID];
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return g_blockSize;
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prefs->blockSizeId = bsid;
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prefs->blockSize = blockSizeTable[prefs->blockSizeId-minBlockSizeID];
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return prefs->blockSize;
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}
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size_t LZ4IO_setBlockSize(size_t blockSize)
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size_t LZ4IO_setBlockSize(LZ4IO_prefs_t* const prefs, size_t blockSize)
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{
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static const size_t minBlockSize = 32;
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static const size_t maxBlockSize = 4 MB;
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unsigned bsid = 0;
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if (blockSize < minBlockSize) blockSize = minBlockSize;
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if (blockSize > maxBlockSize) blockSize = maxBlockSize;
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g_blockSize = blockSize;
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prefs->blockSize = blockSize;
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blockSize--;
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/* find which of { 64k, 256k, 1MB, 4MB } is closest to blockSize */
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while (blockSize >>= 2)
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bsid++;
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if (bsid < 7) bsid = 7;
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g_blockSizeId = bsid-3;
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return g_blockSize;
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prefs->blockSizeId = bsid-3;
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return prefs->blockSize;
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}
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int LZ4IO_setBlockMode(LZ4IO_blockMode_t blockMode)
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int LZ4IO_setBlockMode(LZ4IO_prefs_t* const prefs, LZ4IO_blockMode_t blockMode)
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{
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g_blockIndependence = (blockMode == LZ4IO_blockIndependent);
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return g_blockIndependence;
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prefs->blockIndependence = (blockMode == LZ4IO_blockIndependent);
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return prefs->blockIndependence;
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}
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/* Default setting : no block checksum */
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int LZ4IO_setBlockChecksumMode(int enable)
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int LZ4IO_setBlockChecksumMode(LZ4IO_prefs_t* const prefs, int enable)
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{
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g_blockChecksum = (enable != 0);
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return g_blockChecksum;
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prefs->blockChecksum = (enable != 0);
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return prefs->blockChecksum;
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}
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/* Default setting : checksum enabled */
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int LZ4IO_setStreamChecksumMode(int enable)
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int LZ4IO_setStreamChecksumMode(LZ4IO_prefs_t* const prefs, int enable)
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{
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g_streamChecksum = (enable != 0);
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return g_streamChecksum;
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prefs->streamChecksum = (enable != 0);
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return prefs->streamChecksum;
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}
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/* Default setting : 0 (no notification) */
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@ -237,27 +268,29 @@ int LZ4IO_setNotificationLevel(int level)
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}
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/* Default setting : 0 (disabled) */
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int LZ4IO_setSparseFile(int enable)
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int LZ4IO_setSparseFile(LZ4IO_prefs_t* const prefs, int enable)
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{
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g_sparseFileSupport = (enable!=0);
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return g_sparseFileSupport;
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prefs->sparseFileSupport = (enable!=0);
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return prefs->sparseFileSupport;
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}
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/* Default setting : 0 (disabled) */
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int LZ4IO_setContentSize(int enable)
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int LZ4IO_setContentSize(LZ4IO_prefs_t* const prefs, int enable)
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{
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g_contentSizeFlag = (enable!=0);
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return g_contentSizeFlag;
|
||||
prefs->contentSizeFlag = (enable!=0);
|
||||
return prefs->contentSizeFlag;
|
||||
}
|
||||
|
||||
/* Default setting : 0 (disabled) */
|
||||
void LZ4IO_favorDecSpeed(int favor)
|
||||
void LZ4IO_favorDecSpeed(LZ4IO_prefs_t* const prefs, int favor)
|
||||
{
|
||||
g_favorDecSpeed = (favor!=0);
|
||||
prefs->favorDecSpeed = (favor!=0);
|
||||
}
|
||||
|
||||
static U32 g_removeSrcFile = 0;
|
||||
void LZ4IO_setRemoveSrcFile(unsigned flag) { g_removeSrcFile = (flag>0); }
|
||||
void LZ4IO_setRemoveSrcFile(LZ4IO_prefs_t* const prefs, unsigned flag)
|
||||
{
|
||||
prefs->removeSrcFile = (flag>0);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -292,7 +325,7 @@ static FILE* LZ4IO_openSrcFile(const char* srcFileName)
|
||||
/** FIO_openDstFile() :
|
||||
* condition : `dstFileName` must be non-NULL.
|
||||
* @result : FILE* to `dstFileName`, or NULL if it fails */
|
||||
static FILE* LZ4IO_openDstFile(const char* dstFileName)
|
||||
static FILE* LZ4IO_openDstFile(LZ4IO_prefs_t* const prefs, const char* dstFileName)
|
||||
{
|
||||
FILE* f;
|
||||
|
||||
@ -300,12 +333,12 @@ static FILE* LZ4IO_openDstFile(const char* dstFileName)
|
||||
DISPLAYLEVEL(4,"Using stdout for output\n");
|
||||
f = stdout;
|
||||
SET_BINARY_MODE(stdout);
|
||||
if (g_sparseFileSupport==1) {
|
||||
g_sparseFileSupport = 0;
|
||||
if (prefs->sparseFileSupport==1) {
|
||||
prefs->sparseFileSupport = 0;
|
||||
DISPLAYLEVEL(4, "Sparse File Support is automatically disabled on stdout ; try --sparse \n");
|
||||
}
|
||||
} else {
|
||||
if (!g_overwrite && strcmp (dstFileName, nulmark)) { /* Check if destination file already exists */
|
||||
if (!prefs->overwrite && strcmp (dstFileName, nulmark)) { /* Check if destination file already exists */
|
||||
f = fopen( dstFileName, "rb" );
|
||||
if (f != NULL) { /* dest exists, prompt for overwrite authorization */
|
||||
fclose(f);
|
||||
@ -326,7 +359,7 @@ static FILE* LZ4IO_openDstFile(const char* dstFileName)
|
||||
}
|
||||
|
||||
/* sparse file */
|
||||
if (f && g_sparseFileSupport) { SET_SPARSE_FILE_MODE(f); }
|
||||
if (f && prefs->sparseFileSupport) { SET_SPARSE_FILE_MODE(f); }
|
||||
|
||||
return f;
|
||||
}
|
||||
@ -356,7 +389,7 @@ static int LZ4IO_LZ4_compress(const char* src, char* dst, int srcSize, int dstSi
|
||||
/* LZ4IO_compressFilename_Legacy :
|
||||
* This function is intentionally "hidden" (not published in .h)
|
||||
* It generates compressed streams using the old 'legacy' format */
|
||||
int LZ4IO_compressFilename_Legacy(const char* input_filename, const char* output_filename, int compressionlevel)
|
||||
int LZ4IO_compressFilename_Legacy(LZ4IO_prefs_t* const prefs, const char* input_filename, const char* output_filename, int compressionlevel)
|
||||
{
|
||||
typedef int (*compress_f)(const char* src, char* dst, int srcSize, int dstSize, int cLevel);
|
||||
compress_f const compressionFunction = (compressionlevel < 3) ? LZ4IO_LZ4_compress : LZ4_compress_HC;
|
||||
@ -374,7 +407,7 @@ int LZ4IO_compressFilename_Legacy(const char* input_filename, const char* output
|
||||
if (finput == NULL)
|
||||
EXM_THROW(20, "%s : open file error ", input_filename);
|
||||
|
||||
foutput = LZ4IO_openDstFile(output_filename);
|
||||
foutput = LZ4IO_openDstFile(prefs, output_filename);
|
||||
if (foutput == NULL) {
|
||||
fclose(finput);
|
||||
EXM_THROW(20, "%s : open file error ", input_filename);
|
||||
@ -453,7 +486,7 @@ typedef struct {
|
||||
LZ4F_CDict* cdict;
|
||||
} cRess_t;
|
||||
|
||||
static void* LZ4IO_createDict(const char* dictFilename, size_t *dictSize) {
|
||||
static void* LZ4IO_createDict(LZ4IO_prefs_t* const prefs, size_t *dictSize) {
|
||||
size_t readSize;
|
||||
size_t dictEnd = 0;
|
||||
size_t dictLen = 0;
|
||||
@ -461,6 +494,7 @@ static void* LZ4IO_createDict(const char* dictFilename, size_t *dictSize) {
|
||||
size_t circularBufSize = LZ4_MAX_DICT_SIZE;
|
||||
char* circularBuf;
|
||||
char* dictBuf;
|
||||
const char* dictFilename = prefs->dictionaryFilename;
|
||||
FILE* dictFile;
|
||||
|
||||
if (!dictFilename) EXM_THROW(25, "Dictionary error : no filename provided");
|
||||
@ -510,23 +544,23 @@ static void* LZ4IO_createDict(const char* dictFilename, size_t *dictSize) {
|
||||
return dictBuf;
|
||||
}
|
||||
|
||||
static LZ4F_CDict* LZ4IO_createCDict(void) {
|
||||
static LZ4F_CDict* LZ4IO_createCDict(LZ4IO_prefs_t* const prefs) {
|
||||
size_t dictionarySize;
|
||||
void* dictionaryBuffer;
|
||||
LZ4F_CDict* cdict;
|
||||
if (!g_useDictionary) {
|
||||
if (!prefs->useDictionary) {
|
||||
return NULL;
|
||||
}
|
||||
dictionaryBuffer = LZ4IO_createDict(g_dictionaryFilename, &dictionarySize);
|
||||
dictionaryBuffer = LZ4IO_createDict(prefs, &dictionarySize);
|
||||
if (!dictionaryBuffer) EXM_THROW(25, "Dictionary error : could not create dictionary");
|
||||
cdict = LZ4F_createCDict(dictionaryBuffer, dictionarySize);
|
||||
free(dictionaryBuffer);
|
||||
return cdict;
|
||||
}
|
||||
|
||||
static cRess_t LZ4IO_createCResources(void)
|
||||
static cRess_t LZ4IO_createCResources(LZ4IO_prefs_t* const prefs)
|
||||
{
|
||||
const size_t blockSize = g_blockSize;
|
||||
const size_t blockSize = prefs->blockSize;
|
||||
cRess_t ress;
|
||||
|
||||
LZ4F_errorCode_t const errorCode = LZ4F_createCompressionContext(&(ress.ctx), LZ4F_VERSION);
|
||||
@ -539,7 +573,7 @@ static cRess_t LZ4IO_createCResources(void)
|
||||
ress.dstBuffer = malloc(ress.dstBufferSize);
|
||||
if (!ress.srcBuffer || !ress.dstBuffer) EXM_THROW(31, "Allocation error : not enough memory");
|
||||
|
||||
ress.cdict = LZ4IO_createCDict();
|
||||
ress.cdict = LZ4IO_createCDict(prefs);
|
||||
|
||||
return ress;
|
||||
}
|
||||
@ -561,7 +595,7 @@ static void LZ4IO_freeCResources(cRess_t ress)
|
||||
* result : 0 : compression completed correctly
|
||||
* 1 : missing or pb opening srcFileName
|
||||
*/
|
||||
static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName, const char* dstFileName, int compressionLevel)
|
||||
static int LZ4IO_compressFilename_extRess(LZ4IO_prefs_t* const io_prefs, cRess_t ress, const char* srcFileName, const char* dstFileName, int compressionLevel)
|
||||
{
|
||||
unsigned long long filesize = 0;
|
||||
unsigned long long compressedfilesize = 0;
|
||||
@ -570,7 +604,7 @@ static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName,
|
||||
void* const srcBuffer = ress.srcBuffer;
|
||||
void* const dstBuffer = ress.dstBuffer;
|
||||
const size_t dstBufferSize = ress.dstBufferSize;
|
||||
const size_t blockSize = g_blockSize;
|
||||
const size_t blockSize = io_prefs->blockSize;
|
||||
size_t readSize;
|
||||
LZ4F_compressionContext_t ctx = ress.ctx; /* just a pointer */
|
||||
LZ4F_preferences_t prefs;
|
||||
@ -578,7 +612,7 @@ static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName,
|
||||
/* Init */
|
||||
srcFile = LZ4IO_openSrcFile(srcFileName);
|
||||
if (srcFile == NULL) return 1;
|
||||
dstFile = LZ4IO_openDstFile(dstFileName);
|
||||
dstFile = LZ4IO_openDstFile(io_prefs, dstFileName);
|
||||
if (dstFile == NULL) { fclose(srcFile); return 1; }
|
||||
memset(&prefs, 0, sizeof(prefs));
|
||||
|
||||
@ -586,12 +620,12 @@ static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName,
|
||||
/* Set compression parameters */
|
||||
prefs.autoFlush = 1;
|
||||
prefs.compressionLevel = compressionLevel;
|
||||
prefs.frameInfo.blockMode = (LZ4F_blockMode_t)g_blockIndependence;
|
||||
prefs.frameInfo.blockSizeID = (LZ4F_blockSizeID_t)g_blockSizeId;
|
||||
prefs.frameInfo.blockChecksumFlag = (LZ4F_blockChecksum_t)g_blockChecksum;
|
||||
prefs.frameInfo.contentChecksumFlag = (LZ4F_contentChecksum_t)g_streamChecksum;
|
||||
prefs.favorDecSpeed = g_favorDecSpeed;
|
||||
if (g_contentSizeFlag) {
|
||||
prefs.frameInfo.blockMode = (LZ4F_blockMode_t)io_prefs->blockIndependence;
|
||||
prefs.frameInfo.blockSizeID = (LZ4F_blockSizeID_t)io_prefs->blockSizeId;
|
||||
prefs.frameInfo.blockChecksumFlag = (LZ4F_blockChecksum_t)io_prefs->blockChecksum;
|
||||
prefs.frameInfo.contentChecksumFlag = (LZ4F_contentChecksum_t)io_prefs->streamChecksum;
|
||||
prefs.favorDecSpeed = io_prefs->favorDecSpeed;
|
||||
if (io_prefs->contentSizeFlag) {
|
||||
U64 const fileSize = UTIL_getFileSize(srcFileName);
|
||||
prefs.frameInfo.contentSize = fileSize; /* == 0 if input == stdin */
|
||||
if (fileSize==0)
|
||||
@ -670,7 +704,7 @@ static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName,
|
||||
UTIL_setFileStat(dstFileName, &statbuf);
|
||||
} }
|
||||
|
||||
if (g_removeSrcFile) { /* remove source file : --rm */
|
||||
if (io_prefs->removeSrcFile) { /* remove source file : --rm */
|
||||
if (remove(srcFileName))
|
||||
EXM_THROW(40, "Remove error : %s: %s", srcFileName, strerror(errno));
|
||||
}
|
||||
@ -685,13 +719,13 @@ static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName,
|
||||
}
|
||||
|
||||
|
||||
int LZ4IO_compressFilename(const char* srcFileName, const char* dstFileName, int compressionLevel)
|
||||
int LZ4IO_compressFilename(LZ4IO_prefs_t* const prefs, const char* srcFileName, const char* dstFileName, int compressionLevel)
|
||||
{
|
||||
UTIL_time_t const timeStart = UTIL_getTime();
|
||||
clock_t const cpuStart = clock();
|
||||
cRess_t const ress = LZ4IO_createCResources();
|
||||
cRess_t const ress = LZ4IO_createCResources(prefs);
|
||||
|
||||
int const result = LZ4IO_compressFilename_extRess(ress, srcFileName, dstFileName, compressionLevel);
|
||||
int const result = LZ4IO_compressFilename_extRess(prefs, ress, srcFileName, dstFileName, compressionLevel);
|
||||
|
||||
/* Free resources */
|
||||
LZ4IO_freeCResources(ress);
|
||||
@ -710,7 +744,7 @@ int LZ4IO_compressFilename(const char* srcFileName, const char* dstFileName, int
|
||||
|
||||
|
||||
#define FNSPACE 30
|
||||
int LZ4IO_compressMultipleFilenames(const char** inFileNamesTable, int ifntSize, const char* suffix, int compressionLevel)
|
||||
int LZ4IO_compressMultipleFilenames(LZ4IO_prefs_t* const prefs, const char** inFileNamesTable, int ifntSize, const char* suffix, int compressionLevel)
|
||||
{
|
||||
int i;
|
||||
int missed_files = 0;
|
||||
@ -720,7 +754,7 @@ int LZ4IO_compressMultipleFilenames(const char** inFileNamesTable, int ifntSize,
|
||||
cRess_t ress;
|
||||
|
||||
if (dstFileName == NULL) return ifntSize; /* not enough memory */
|
||||
ress = LZ4IO_createCResources();
|
||||
ress = LZ4IO_createCResources(prefs);
|
||||
|
||||
/* loop on each file */
|
||||
for (i=0; i<ifntSize; i++) {
|
||||
@ -729,7 +763,7 @@ int LZ4IO_compressMultipleFilenames(const char** inFileNamesTable, int ifntSize,
|
||||
strcpy(dstFileName, inFileNamesTable[i]);
|
||||
strcat(dstFileName, suffix);
|
||||
|
||||
missed_files += LZ4IO_compressFilename_extRess(ress, inFileNamesTable[i], dstFileName, compressionLevel);
|
||||
missed_files += LZ4IO_compressFilename_extRess(prefs, ress, inFileNamesTable[i], dstFileName, compressionLevel);
|
||||
}
|
||||
|
||||
/* Close & Free */
|
||||
@ -755,7 +789,7 @@ static unsigned LZ4IO_readLE32 (const void* s)
|
||||
}
|
||||
|
||||
|
||||
static unsigned LZ4IO_fwriteSparse(FILE* file, const void* buffer, size_t bufferSize, unsigned storedSkips)
|
||||
static unsigned LZ4IO_fwriteSparse(LZ4IO_prefs_t* const prefs, FILE* file, const void* buffer, size_t bufferSize, unsigned storedSkips)
|
||||
{
|
||||
const size_t sizeT = sizeof(size_t);
|
||||
const size_t maskT = sizeT -1 ;
|
||||
@ -765,7 +799,7 @@ static unsigned LZ4IO_fwriteSparse(FILE* file, const void* buffer, size_t buffer
|
||||
const size_t* const bufferTEnd = bufferT + bufferSizeT;
|
||||
const size_t segmentSizeT = (32 KB) / sizeT;
|
||||
|
||||
if (!g_sparseFileSupport) { /* normal write */
|
||||
if (!prefs->sparseFileSupport) { /* normal write */
|
||||
size_t const sizeCheck = fwrite(buffer, 1, bufferSize, file);
|
||||
if (sizeCheck != bufferSize) EXM_THROW(70, "Write error : cannot write decoded block");
|
||||
return 0;
|
||||
@ -834,7 +868,7 @@ static void LZ4IO_fwriteSparseEnd(FILE* file, unsigned storedSkips)
|
||||
|
||||
|
||||
static unsigned g_magicRead = 0; /* out-parameter of LZ4IO_decodeLegacyStream() */
|
||||
static unsigned long long LZ4IO_decodeLegacyStream(FILE* finput, FILE* foutput)
|
||||
static unsigned long long LZ4IO_decodeLegacyStream(LZ4IO_prefs_t* const prefs, FILE* finput, FILE* foutput)
|
||||
{
|
||||
unsigned long long streamSize = 0;
|
||||
unsigned storedSkips = 0;
|
||||
@ -868,7 +902,7 @@ static unsigned long long LZ4IO_decodeLegacyStream(FILE* finput, FILE* foutput)
|
||||
if (decodeSize < 0) EXM_THROW(53, "Decoding Failed ! Corrupted input detected !");
|
||||
streamSize += decodeSize;
|
||||
/* Write Block */
|
||||
storedSkips = LZ4IO_fwriteSparse(foutput, out_buff, decodeSize, storedSkips); /* success or die */
|
||||
storedSkips = LZ4IO_fwriteSparse(prefs, foutput, out_buff, decodeSize, storedSkips); /* success or die */
|
||||
} }
|
||||
if (ferror(finput)) EXM_THROW(54, "Read error : ferror");
|
||||
|
||||
@ -894,19 +928,19 @@ typedef struct {
|
||||
size_t dictBufferSize;
|
||||
} dRess_t;
|
||||
|
||||
static void LZ4IO_loadDDict(dRess_t* ress) {
|
||||
if (!g_useDictionary) {
|
||||
static void LZ4IO_loadDDict(LZ4IO_prefs_t* const prefs, dRess_t* ress) {
|
||||
if (!prefs->useDictionary) {
|
||||
ress->dictBuffer = NULL;
|
||||
ress->dictBufferSize = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
ress->dictBuffer = LZ4IO_createDict(g_dictionaryFilename, &ress->dictBufferSize);
|
||||
ress->dictBuffer = LZ4IO_createDict(prefs, &ress->dictBufferSize);
|
||||
if (!ress->dictBuffer) EXM_THROW(25, "Dictionary error : could not create dictionary");
|
||||
}
|
||||
|
||||
static const size_t LZ4IO_dBufferSize = 64 KB;
|
||||
static dRess_t LZ4IO_createDResources(void)
|
||||
static dRess_t LZ4IO_createDResources(LZ4IO_prefs_t* const prefs)
|
||||
{
|
||||
dRess_t ress;
|
||||
|
||||
@ -921,7 +955,7 @@ static dRess_t LZ4IO_createDResources(void)
|
||||
ress.dstBuffer = malloc(ress.dstBufferSize);
|
||||
if (!ress.srcBuffer || !ress.dstBuffer) EXM_THROW(61, "Allocation error : not enough memory");
|
||||
|
||||
LZ4IO_loadDDict(&ress);
|
||||
LZ4IO_loadDDict(prefs, &ress);
|
||||
|
||||
ress.dstFile = NULL;
|
||||
return ress;
|
||||
@ -937,7 +971,7 @@ static void LZ4IO_freeDResources(dRess_t ress)
|
||||
}
|
||||
|
||||
|
||||
static unsigned long long LZ4IO_decompressLZ4F(dRess_t ress, FILE* srcFile, FILE* dstFile)
|
||||
static unsigned long long LZ4IO_decompressLZ4F(LZ4IO_prefs_t* const prefs, dRess_t ress, FILE* srcFile, FILE* dstFile)
|
||||
{
|
||||
unsigned long long filesize = 0;
|
||||
LZ4F_errorCode_t nextToLoad;
|
||||
@ -972,8 +1006,8 @@ static unsigned long long LZ4IO_decompressLZ4F(dRess_t ress, FILE* srcFile, FILE
|
||||
|
||||
/* Write Block */
|
||||
if (decodedBytes) {
|
||||
if (!g_testMode)
|
||||
storedSkips = LZ4IO_fwriteSparse(dstFile, ress.dstBuffer, decodedBytes, storedSkips);
|
||||
if (!prefs->testMode)
|
||||
storedSkips = LZ4IO_fwriteSparse(prefs, dstFile, ress.dstBuffer, decodedBytes, storedSkips);
|
||||
filesize += decodedBytes;
|
||||
DISPLAYUPDATE(2, "\rDecompressed : %u MB ", (unsigned)(filesize>>20));
|
||||
}
|
||||
@ -984,7 +1018,7 @@ static unsigned long long LZ4IO_decompressLZ4F(dRess_t ress, FILE* srcFile, FILE
|
||||
/* can be out because readSize == 0, which could be an fread() error */
|
||||
if (ferror(srcFile)) EXM_THROW(67, "Read error");
|
||||
|
||||
if (!g_testMode) LZ4IO_fwriteSparseEnd(dstFile, storedSkips);
|
||||
if (!prefs->testMode) LZ4IO_fwriteSparseEnd(dstFile, storedSkips);
|
||||
if (nextToLoad!=0) EXM_THROW(68, "Unfinished stream");
|
||||
|
||||
return filesize;
|
||||
@ -993,7 +1027,7 @@ static unsigned long long LZ4IO_decompressLZ4F(dRess_t ress, FILE* srcFile, FILE
|
||||
|
||||
#define PTSIZE (64 KB)
|
||||
#define PTSIZET (PTSIZE / sizeof(size_t))
|
||||
static unsigned long long LZ4IO_passThrough(FILE* finput, FILE* foutput, unsigned char MNstore[MAGICNUMBER_SIZE])
|
||||
static unsigned long long LZ4IO_passThrough(LZ4IO_prefs_t* const prefs, FILE* finput, FILE* foutput, unsigned char MNstore[MAGICNUMBER_SIZE])
|
||||
{
|
||||
size_t buffer[PTSIZET];
|
||||
size_t readBytes = 1;
|
||||
@ -1006,7 +1040,7 @@ static unsigned long long LZ4IO_passThrough(FILE* finput, FILE* foutput, unsigne
|
||||
while (readBytes) {
|
||||
readBytes = fread(buffer, 1, PTSIZE, finput);
|
||||
total += readBytes;
|
||||
storedSkips = LZ4IO_fwriteSparse(foutput, buffer, readBytes, storedSkips);
|
||||
storedSkips = LZ4IO_fwriteSparse(prefs, foutput, buffer, readBytes, storedSkips);
|
||||
}
|
||||
if (ferror(finput)) EXM_THROW(51, "Read Error");
|
||||
|
||||
@ -1033,7 +1067,7 @@ static int fseek_u32(FILE *fp, unsigned offset, int where)
|
||||
}
|
||||
|
||||
#define ENDOFSTREAM ((unsigned long long)-1)
|
||||
static unsigned long long selectDecoder(dRess_t ress, FILE* finput, FILE* foutput)
|
||||
static unsigned long long selectDecoder(LZ4IO_prefs_t* const prefs, dRess_t ress, FILE* finput, FILE* foutput)
|
||||
{
|
||||
unsigned char MNstore[MAGICNUMBER_SIZE];
|
||||
unsigned magicNumber;
|
||||
@ -1059,10 +1093,10 @@ static unsigned long long selectDecoder(dRess_t ress, FILE* finput, FILE* foutpu
|
||||
switch(magicNumber)
|
||||
{
|
||||
case LZ4IO_MAGICNUMBER:
|
||||
return LZ4IO_decompressLZ4F(ress, finput, foutput);
|
||||
return LZ4IO_decompressLZ4F(prefs, ress, finput, foutput);
|
||||
case LEGACY_MAGICNUMBER:
|
||||
DISPLAYLEVEL(4, "Detected : Legacy format \n");
|
||||
return LZ4IO_decodeLegacyStream(finput, foutput);
|
||||
return LZ4IO_decodeLegacyStream(prefs, finput, foutput);
|
||||
case LZ4IO_SKIPPABLE0:
|
||||
DISPLAYLEVEL(4, "Skipping detected skippable area \n");
|
||||
{ size_t const nbReadBytes = fread(MNstore, 1, 4, finput);
|
||||
@ -1079,9 +1113,9 @@ static unsigned long long selectDecoder(dRess_t ress, FILE* finput, FILE* foutpu
|
||||
default:
|
||||
if (nbFrames == 1) { /* just started */
|
||||
/* Wrong magic number at the beginning of 1st stream */
|
||||
if (!g_testMode && g_overwrite && g_passThrough) {
|
||||
if (!prefs->testMode && prefs->overwrite && prefs->passThrough) {
|
||||
nbFrames = 0;
|
||||
return LZ4IO_passThrough(finput, foutput, MNstore);
|
||||
return LZ4IO_passThrough(prefs, finput, foutput, MNstore);
|
||||
}
|
||||
EXM_THROW(44,"Unrecognized header : file cannot be decoded");
|
||||
}
|
||||
@ -1096,7 +1130,7 @@ static unsigned long long selectDecoder(dRess_t ress, FILE* finput, FILE* foutpu
|
||||
}
|
||||
|
||||
|
||||
static int LZ4IO_decompressSrcFile(dRess_t ress, const char* input_filename, const char* output_filename)
|
||||
static int LZ4IO_decompressSrcFile(LZ4IO_prefs_t* const prefs, dRess_t ress, const char* input_filename, const char* output_filename)
|
||||
{
|
||||
FILE* const foutput = ress.dstFile;
|
||||
unsigned long long filesize = 0;
|
||||
@ -1108,14 +1142,14 @@ static int LZ4IO_decompressSrcFile(dRess_t ress, const char* input_filename, con
|
||||
/* Loop over multiple streams */
|
||||
for ( ; ; ) { /* endless loop, see break condition */
|
||||
unsigned long long const decodedSize =
|
||||
selectDecoder(ress, finput, foutput);
|
||||
selectDecoder(prefs, ress, finput, foutput);
|
||||
if (decodedSize == ENDOFSTREAM) break;
|
||||
filesize += decodedSize;
|
||||
}
|
||||
|
||||
/* Close input */
|
||||
fclose(finput);
|
||||
if (g_removeSrcFile) { /* --rm */
|
||||
if (prefs->removeSrcFile) { /* --rm */
|
||||
if (remove(input_filename))
|
||||
EXM_THROW(45, "Remove error : %s: %s", input_filename, strerror(errno));
|
||||
}
|
||||
@ -1129,11 +1163,11 @@ static int LZ4IO_decompressSrcFile(dRess_t ress, const char* input_filename, con
|
||||
}
|
||||
|
||||
|
||||
static int LZ4IO_decompressDstFile(dRess_t ress, const char* input_filename, const char* output_filename)
|
||||
static int LZ4IO_decompressDstFile(LZ4IO_prefs_t* const prefs, dRess_t ress, const char* input_filename, const char* output_filename)
|
||||
{
|
||||
stat_t statbuf;
|
||||
int stat_result = 0;
|
||||
FILE* const foutput = LZ4IO_openDstFile(output_filename);
|
||||
FILE* const foutput = LZ4IO_openDstFile(prefs, output_filename);
|
||||
if (foutput==NULL) return 1; /* failure */
|
||||
|
||||
if ( strcmp(input_filename, stdinmark)
|
||||
@ -1141,7 +1175,7 @@ static int LZ4IO_decompressDstFile(dRess_t ress, const char* input_filename, con
|
||||
stat_result = 1;
|
||||
|
||||
ress.dstFile = foutput;
|
||||
LZ4IO_decompressSrcFile(ress, input_filename, output_filename);
|
||||
LZ4IO_decompressSrcFile(prefs, ress, input_filename, output_filename);
|
||||
|
||||
fclose(foutput);
|
||||
|
||||
@ -1157,12 +1191,12 @@ static int LZ4IO_decompressDstFile(dRess_t ress, const char* input_filename, con
|
||||
}
|
||||
|
||||
|
||||
int LZ4IO_decompressFilename(const char* input_filename, const char* output_filename)
|
||||
int LZ4IO_decompressFilename(LZ4IO_prefs_t* const prefs, const char* input_filename, const char* output_filename)
|
||||
{
|
||||
dRess_t const ress = LZ4IO_createDResources();
|
||||
dRess_t const ress = LZ4IO_createDResources(prefs);
|
||||
clock_t const start = clock();
|
||||
|
||||
int const missingFiles = LZ4IO_decompressDstFile(ress, input_filename, output_filename);
|
||||
int const missingFiles = LZ4IO_decompressDstFile(prefs, ress, input_filename, output_filename);
|
||||
|
||||
clock_t const end = clock();
|
||||
double const seconds = (double)(end - start) / CLOCKS_PER_SEC;
|
||||
@ -1173,7 +1207,7 @@ int LZ4IO_decompressFilename(const char* input_filename, const char* output_file
|
||||
}
|
||||
|
||||
|
||||
int LZ4IO_decompressMultipleFilenames(const char** inFileNamesTable, int ifntSize, const char* suffix)
|
||||
int LZ4IO_decompressMultipleFilenames(LZ4IO_prefs_t* const prefs, const char** inFileNamesTable, int ifntSize, const char* suffix)
|
||||
{
|
||||
int i;
|
||||
int skippedFiles = 0;
|
||||
@ -1181,16 +1215,16 @@ int LZ4IO_decompressMultipleFilenames(const char** inFileNamesTable, int ifntSiz
|
||||
char* outFileName = (char*)malloc(FNSPACE);
|
||||
size_t ofnSize = FNSPACE;
|
||||
size_t const suffixSize = strlen(suffix);
|
||||
dRess_t ress = LZ4IO_createDResources();
|
||||
dRess_t ress = LZ4IO_createDResources(prefs);
|
||||
|
||||
if (outFileName==NULL) return ifntSize; /* not enough memory */
|
||||
ress.dstFile = LZ4IO_openDstFile(stdoutmark);
|
||||
ress.dstFile = LZ4IO_openDstFile(prefs, stdoutmark);
|
||||
|
||||
for (i=0; i<ifntSize; i++) {
|
||||
size_t const ifnSize = strlen(inFileNamesTable[i]);
|
||||
const char* const suffixPtr = inFileNamesTable[i] + ifnSize - suffixSize;
|
||||
if (!strcmp(suffix, stdoutmark)) {
|
||||
missingFiles += LZ4IO_decompressSrcFile(ress, inFileNamesTable[i], stdoutmark);
|
||||
missingFiles += LZ4IO_decompressSrcFile(prefs, ress, inFileNamesTable[i], stdoutmark);
|
||||
continue;
|
||||
}
|
||||
if (ofnSize <= ifnSize-suffixSize+1) { free(outFileName); ofnSize = ifnSize + 20; outFileName = (char*)malloc(ofnSize); if (outFileName==NULL) return ifntSize; }
|
||||
@ -1201,7 +1235,7 @@ int LZ4IO_decompressMultipleFilenames(const char** inFileNamesTable, int ifntSiz
|
||||
}
|
||||
memcpy(outFileName, inFileNamesTable[i], ifnSize - suffixSize);
|
||||
outFileName[ifnSize-suffixSize] = '\0';
|
||||
missingFiles += LZ4IO_decompressDstFile(ress, inFileNamesTable[i], outFileName);
|
||||
missingFiles += LZ4IO_decompressDstFile(prefs, ress, inFileNamesTable[i], outFileName);
|
||||
}
|
||||
|
||||
LZ4IO_freeDResources(ress);
|
||||
|
||||
@ -48,69 +48,77 @@ static const char nulmark[] = "nul";
|
||||
static const char nulmark[] = "/dev/null";
|
||||
#endif
|
||||
|
||||
/* ************************************************** */
|
||||
/* ****************** Type Definitions ************** */
|
||||
/* ************************************************** */
|
||||
|
||||
typedef struct LZ4IO_prefs_s LZ4IO_prefs_t;
|
||||
|
||||
LZ4IO_prefs_t* LZ4IO_defaultPreferences(void);
|
||||
void LZ4IO_freePreferences(LZ4IO_prefs_t* const prefs);
|
||||
|
||||
/* ************************************************** */
|
||||
/* ****************** Functions ********************* */
|
||||
/* ************************************************** */
|
||||
|
||||
int LZ4IO_compressFilename (const char* input_filename, const char* output_filename, int compressionlevel);
|
||||
int LZ4IO_decompressFilename(const char* input_filename, const char* output_filename);
|
||||
int LZ4IO_compressFilename(LZ4IO_prefs_t* const prefs, const char* input_filename, const char* output_filename, int compressionlevel);
|
||||
int LZ4IO_decompressFilename(LZ4IO_prefs_t* const prefs, const char* input_filename, const char* output_filename);
|
||||
|
||||
int LZ4IO_compressMultipleFilenames(const char** inFileNamesTable, int ifntSize, const char* suffix, int compressionlevel);
|
||||
int LZ4IO_decompressMultipleFilenames(const char** inFileNamesTable, int ifntSize, const char* suffix);
|
||||
int LZ4IO_compressMultipleFilenames(LZ4IO_prefs_t* const prefs, const char** inFileNamesTable, int ifntSize, const char* suffix, int compressionlevel);
|
||||
int LZ4IO_decompressMultipleFilenames(LZ4IO_prefs_t* const prefs, const char** inFileNamesTable, int ifntSize, const char* suffix);
|
||||
|
||||
|
||||
/* ************************************************** */
|
||||
/* ****************** Parameters ******************** */
|
||||
/* ************************************************** */
|
||||
|
||||
int LZ4IO_setDictionaryFilename(const char* dictionaryFilename);
|
||||
int LZ4IO_setDictionaryFilename(LZ4IO_prefs_t* const prefs, const char* dictionaryFilename);
|
||||
|
||||
/* Default setting : passThrough = 0;
|
||||
return : passThrough mode (0/1) */
|
||||
int LZ4IO_setPassThrough(int yes);
|
||||
int LZ4IO_setPassThrough(LZ4IO_prefs_t* const prefs, int yes);
|
||||
|
||||
/* Default setting : overwrite = 1;
|
||||
return : overwrite mode (0/1) */
|
||||
int LZ4IO_setOverwrite(int yes);
|
||||
int LZ4IO_setOverwrite(LZ4IO_prefs_t* const prefs, int yes);
|
||||
|
||||
/* Default setting : testMode = 0;
|
||||
return : testMode (0/1) */
|
||||
int LZ4IO_setTestMode(int yes);
|
||||
int LZ4IO_setTestMode(LZ4IO_prefs_t* const prefs, int yes);
|
||||
|
||||
/* blockSizeID : valid values : 4-5-6-7
|
||||
return : 0 if error, blockSize if OK */
|
||||
size_t LZ4IO_setBlockSizeID(unsigned blockSizeID);
|
||||
size_t LZ4IO_setBlockSizeID(LZ4IO_prefs_t* const prefs, unsigned blockSizeID);
|
||||
|
||||
/* blockSize : valid values : 32 -> 4MB
|
||||
return : 0 if error, actual blocksize if OK */
|
||||
size_t LZ4IO_setBlockSize(size_t blockSize);
|
||||
size_t LZ4IO_setBlockSize(LZ4IO_prefs_t* const prefs, size_t blockSize);
|
||||
|
||||
/* Default setting : independent blocks */
|
||||
typedef enum { LZ4IO_blockLinked=0, LZ4IO_blockIndependent} LZ4IO_blockMode_t;
|
||||
int LZ4IO_setBlockMode(LZ4IO_blockMode_t blockMode);
|
||||
int LZ4IO_setBlockMode(LZ4IO_prefs_t* const prefs, LZ4IO_blockMode_t blockMode);
|
||||
|
||||
/* Default setting : no block checksum */
|
||||
int LZ4IO_setBlockChecksumMode(int xxhash);
|
||||
int LZ4IO_setBlockChecksumMode(LZ4IO_prefs_t* const prefs, int xxhash);
|
||||
|
||||
/* Default setting : stream checksum enabled */
|
||||
int LZ4IO_setStreamChecksumMode(int xxhash);
|
||||
int LZ4IO_setStreamChecksumMode(LZ4IO_prefs_t* const prefs, int xxhash);
|
||||
|
||||
/* Default setting : 0 (no notification) */
|
||||
int LZ4IO_setNotificationLevel(int level);
|
||||
|
||||
/* Default setting : 0 (disabled) */
|
||||
int LZ4IO_setSparseFile(int enable);
|
||||
int LZ4IO_setSparseFile(LZ4IO_prefs_t* const prefs, int enable);
|
||||
|
||||
/* Default setting : 0 == no content size present in frame header */
|
||||
int LZ4IO_setContentSize(int enable);
|
||||
int LZ4IO_setContentSize(LZ4IO_prefs_t* const prefs, int enable);
|
||||
|
||||
/* Default setting : 0 == src file preserved */
|
||||
void LZ4IO_setRemoveSrcFile(unsigned flag);
|
||||
void LZ4IO_setRemoveSrcFile(LZ4IO_prefs_t* const prefs, unsigned flag);
|
||||
|
||||
/* Default setting : 0 == favor compression ratio
|
||||
* Note : 1 only works for high compression levels (10+) */
|
||||
void LZ4IO_favorDecSpeed(int favor);
|
||||
void LZ4IO_favorDecSpeed(LZ4IO_prefs_t* const prefs, int favor);
|
||||
|
||||
|
||||
#endif /* LZ4IO_H_237902873 */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user