diff options
Diffstat (limited to 'programs/lz4io.h')
| -rw-r--r-- | programs/lz4io.h | 49 |
1 files changed, 34 insertions, 15 deletions
diff --git a/programs/lz4io.h b/programs/lz4io.h index 22c5e3e..54d49be 100644 --- a/programs/lz4io.h +++ b/programs/lz4io.h @@ -48,61 +48,80 @@ 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); +/* if output_filename == stdoutmark, writes to stdout */ +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); +/* if suffix == stdoutmark, writes to stdout */ +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(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(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 */ |