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Diffstat (limited to 'programs/lz4io.h')
-rw-r--r-- | programs/lz4io.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/programs/lz4io.h b/programs/lz4io.h new file mode 100644 index 0000000..cb35ec0 --- /dev/null +++ b/programs/lz4io.h @@ -0,0 +1,77 @@ +/* + LZ4io.h - LZ4 File/Stream Interface + Copyright (C) Yann Collet 2011-2013 + GPL v2 License + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + You can contact the author at : + - LZ4 source repository : http://code.google.com/p/lz4/ + - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c +*/ +/* + Note : this is stand-alone program. + It is not part of LZ4 compression library, it is a user code of the LZ4 library. + - The license of LZ4 library is BSD. + - The license of xxHash library is BSD. + - The license of this source file is GPLv2. +*/ + + +/* ************************************************** */ +/* Special input/output values */ +/* ************************************************** */ +#define NULL_OUTPUT "null" +static char stdinmark[] = "stdin"; +static char stdoutmark[] = "stdout"; +#ifdef _WIN32 +static char nulmark[] = "nul"; +#else +static char nulmark[] = "/dev/null"; +#endif + + +/* ************************************************** */ +/* ****************** Functions ********************* */ +/* ************************************************** */ + +int LZ4IO_compressFilename (char* input_filename, char* output_filename, int compressionlevel); +int LZ4IO_decompressFilename(char* input_filename, char* output_filename); + + +/* ************************************************** */ +/* ****************** Parameters ******************** */ +/* ************************************************** */ + +/* Default setting : overwrite = 1; + return : overwrite mode (0/1) */ +int LZ4IO_setOverwrite(int yes); + +/* blockSizeID : valid values : 4-5-6-7 + return : -1 if error, blockSize if OK */ +int LZ4IO_setBlockSizeID(int blockSizeID); + +/* Default setting : independent blocks */ +typedef enum { chainedBlocks, independentBlocks } blockMode_t; +int LZ4IO_setBlockMode(blockMode_t blockMode); + +/* Default setting : no checksum */ +int LZ4IO_setBlockChecksumMode(int xxhash); + +/* Default setting : checksum enabled */ +int LZ4IO_setStreamChecksumMode(int xxhash); + +/* Default setting : 0 (no notification) */ +int LZ4IO_setNotificationLevel(int level); |