diff options
Diffstat (limited to 'programs/lz4cli.c')
| -rw-r--r-- | programs/lz4cli.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/programs/lz4cli.c b/programs/lz4cli.c index 82f2fac..443e4b4 100644 --- a/programs/lz4cli.c +++ b/programs/lz4cli.c @@ -141,6 +141,7 @@ static int usage_advanced(const char* exeName) DISPLAY( " -BX : enable block checksum (default:disabled) \n"); DISPLAY( "--no-frame-crc : disable stream checksum (default:enabled) \n"); DISPLAY( "--content-size : compressed frame includes original size (default:not present)\n"); + DISPLAY( "--list : lists information about .lz4 files. Useful if compressed with --content-size flag.\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( "--fast[=#]: switch to ultra fast compression level (default: %i)\n", 1); @@ -286,7 +287,7 @@ static int longCommandWArg(const char** stringPtr, const char* longCommand) return result; } -typedef enum { om_auto, om_compress, om_decompress, om_test, om_bench } operationMode_e; +typedef enum { om_auto, om_compress, om_decompress, om_test, om_bench, om_list } operationMode_e; /** determineOpMode() : * auto-determine operation mode, based on input filename extension @@ -383,6 +384,7 @@ int main(int argc, const char** argv) if (!strcmp(argument, "--no-frame-crc")) { LZ4IO_setStreamChecksumMode(prefs, 0); continue; } if (!strcmp(argument, "--content-size")) { LZ4IO_setContentSize(prefs, 1); continue; } if (!strcmp(argument, "--no-content-size")) { LZ4IO_setContentSize(prefs, 0); continue; } + if (!strcmp(argument, "--list")) { mode = om_list; continue; } if (!strcmp(argument, "--sparse")) { LZ4IO_setSparseFile(prefs, 2); continue; } if (!strcmp(argument, "--no-sparse")) { LZ4IO_setSparseFile(prefs, 0); continue; } if (!strcmp(argument, "--favor-decSpeed")) { LZ4IO_favorDecSpeed(prefs, 1); continue; } @@ -691,7 +693,7 @@ int main(int argc, const char** argv) break; } - if (multiple_inputs==0) assert(output_filename); + if (multiple_inputs==0 && mode != om_list) assert(output_filename); /* when multiple_inputs==1, output_filename may simply be useless, * however, output_filename must be !NULL for next strcmp() tests */ if (!output_filename) output_filename = "*\\dummy^!//"; @@ -720,6 +722,12 @@ int main(int argc, const char** argv) } else { operationResult = DEFAULT_DECOMPRESSOR(prefs, input_filename, output_filename); } + } else if (mode == om_list){ + if(!multiple_inputs){ + inFileNames[ifnIdx++] = input_filename; + } + operationResult = LZ4IO_displayCompressedFilesInfo(inFileNames, ifnIdx); + inFileNames=NULL; } else { /* compression is default action */ if (legacy_format) { DISPLAYLEVEL(3, "! Generating LZ4 Legacy format (deprecated) ! \n"); @@ -744,4 +752,4 @@ _cleanup: LZ4IO_freePreferences(prefs); free((void*)inFileNames); return operationResult; -} +}
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