diff options
Diffstat (limited to 'programs')
| -rw-r--r-- | programs/lz4cli.c | 2 | ||||
| -rw-r--r-- | programs/lz4io.c | 8 | ||||
| -rw-r--r-- | programs/lz4io.h | 7 |
3 files changed, 16 insertions, 1 deletions
diff --git a/programs/lz4cli.c b/programs/lz4cli.c index 42392eb..ba519b4 100644 --- a/programs/lz4cli.c +++ b/programs/lz4cli.c @@ -140,6 +140,7 @@ static int usage_advanced(const char* exeName) DISPLAY( "--no-frame-crc : disable stream checksum (default:enabled) \n"); DISPLAY( "--content-size : compressed frame includes original size (default:not present)\n"); DISPLAY( "--[no-]sparse : sparse mode (default:enabled on file, disabled on stdout)\n"); + DISPLAY( "--favor-decSpeed: compressed files decompress faster, but are less compressed \n"); DISPLAY( "Benchmark arguments : \n"); DISPLAY( " -b# : benchmark file(s), using # compression level (default : 1) \n"); DISPLAY( " -e# : test all compression levels from -bX to # (default : 1)\n"); @@ -355,6 +356,7 @@ int main(int argc, const char** argv) if (!strcmp(argument, "--no-content-size")) { LZ4IO_setContentSize(0); continue; } if (!strcmp(argument, "--sparse")) { LZ4IO_setSparseFile(2); continue; } if (!strcmp(argument, "--no-sparse")) { LZ4IO_setSparseFile(0); continue; } + if (!strcmp(argument, "--favor-decSpeed")) { LZ4IO_favorDecSpeed(1); continue; } if (!strcmp(argument, "--verbose")) { displayLevel++; continue; } if (!strcmp(argument, "--quiet")) { if (displayLevel) displayLevel--; continue; } if (!strcmp(argument, "--version")) { DISPLAY(WELCOME_MESSAGE); return 0; } diff --git a/programs/lz4io.c b/programs/lz4io.c index ccf4fa1..b52c1f3 100644 --- a/programs/lz4io.c +++ b/programs/lz4io.c @@ -116,6 +116,7 @@ static int g_blockIndependence = 1; static int g_sparseFileSupport = 1; static int g_contentSizeFlag = 0; static int g_useDictionary = 0; +static unsigned g_favorDecSpeed = 0; static const char* g_dictionaryFilename = NULL; @@ -221,6 +222,12 @@ int LZ4IO_setContentSize(int enable) return g_contentSizeFlag; } +/* Default setting : 0 (disabled) */ +void LZ4IO_favorDecSpeed(int favor) +{ + g_favorDecSpeed = (favor!=0); +} + static U32 g_removeSrcFile = 0; void LZ4IO_setRemoveSrcFile(unsigned flag) { g_removeSrcFile = (flag>0); } @@ -548,6 +555,7 @@ static int LZ4IO_compressFilename_extRess(cRess_t ress, const char* srcFileName, 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) { U64 const fileSize = UTIL_getFileSize(srcFileName); prefs.frameInfo.contentSize = fileSize; /* == 0 if input == stdin */ diff --git a/programs/lz4io.h b/programs/lz4io.h index b21b8b6..22c5e3e 100644 --- a/programs/lz4io.h +++ b/programs/lz4io.h @@ -94,10 +94,15 @@ int LZ4IO_setNotificationLevel(int level); /* Default setting : 0 (disabled) */ int LZ4IO_setSparseFile(int enable); -/* Default setting : 0 (disabled) */ +/* Default setting : 0 == no content size present in frame header */ int LZ4IO_setContentSize(int enable); +/* Default setting : 0 == src file preserved */ void LZ4IO_setRemoveSrcFile(unsigned flag); +/* Default setting : 0 == favor compression ratio + * Note : 1 only works for high compression levels (10+) */ +void LZ4IO_favorDecSpeed(int favor); + #endif /* LZ4IO_H_237902873 */ |