1 /* 2 LZ4io.h - LZ4 File/Stream Interface 3 Copyright (C) Yann Collet 2011-2016 4 GPL v2 License 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License along 17 with this program; if not, write to the Free Software Foundation, Inc., 18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 20 You can contact the author at : 21 - LZ4 source repository : https://github.com/lz4/lz4 22 - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c 23 */ 24 /* 25 Note : this is stand-alone program. 26 It is not part of LZ4 compression library, it is a user code of the LZ4 library. 27 - The license of LZ4 library is BSD. 28 - The license of xxHash library is BSD. 29 - The license of this source file is GPLv2. 30 */ 31 32 #ifndef LZ4IO_H_237902873 33 #define LZ4IO_H_237902873 34 35 /*--- Dependency ---*/ 36 #include <stddef.h> /* size_t */ 37 38 39 /* ************************************************** */ 40 /* Special input/output values */ 41 /* ************************************************** */ 42 #define NULL_OUTPUT "null" 43 static const char stdinmark[] = "stdin"; 44 static const char stdoutmark[] = "stdout"; 45 #ifdef _WIN32 46 static const char nulmark[] = "nul"; 47 #else 48 static const char nulmark[] = "/dev/null"; 49 #endif 50 51 52 /* ************************************************** */ 53 /* ****************** Functions ********************* */ 54 /* ************************************************** */ 55 56 int LZ4IO_compressFilename (const char* input_filename, const char* output_filename, int compressionlevel); 57 int LZ4IO_decompressFilename(const char* input_filename, const char* output_filename); 58 59 int LZ4IO_compressMultipleFilenames(const char** inFileNamesTable, int ifntSize, const char* suffix, int compressionlevel); 60 int LZ4IO_decompressMultipleFilenames(const char** inFileNamesTable, int ifntSize, const char* suffix); 61 62 63 /* ************************************************** */ 64 /* ****************** Parameters ******************** */ 65 /* ************************************************** */ 66 67 /* Default setting : overwrite = 1; 68 return : overwrite mode (0/1) */ 69 int LZ4IO_setOverwrite(int yes); 70 71 /* Default setting : testMode = 0; 72 return : testMode (0/1) */ 73 int LZ4IO_setTestMode(int yes); 74 75 /* blockSizeID : valid values : 4-5-6-7 76 return : 0 if error, blockSize if OK */ 77 size_t LZ4IO_setBlockSizeID(unsigned blockSizeID); 78 79 /* Default setting : independent blocks */ 80 typedef enum { LZ4IO_blockLinked=0, LZ4IO_blockIndependent} LZ4IO_blockMode_t; 81 int LZ4IO_setBlockMode(LZ4IO_blockMode_t blockMode); 82 83 /* Default setting : no block checksum */ 84 int LZ4IO_setBlockChecksumMode(int xxhash); 85 86 /* Default setting : stream checksum enabled */ 87 int LZ4IO_setStreamChecksumMode(int xxhash); 88 89 /* Default setting : 0 (no notification) */ 90 int LZ4IO_setNotificationLevel(int level); 91 92 /* Default setting : 0 (disabled) */ 93 int LZ4IO_setSparseFile(int enable); 94 95 /* Default setting : 0 (disabled) */ 96 int LZ4IO_setContentSize(int enable); 97 98 void LZ4IO_setRemoveSrcFile(unsigned flag); 99 100 101 #endif /* LZ4IO_H_237902873 */ 102
