diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -73,8 +73,8 @@ struct { const char * from; const char * to; } const known_extensions[] = { struct Lzma_options { - int dictionary_size; /* 4KiB..512MiB */ - int match_len_limit; /* 5..273 */ + int dictionary_size; /* 4 KiB .. 512 MiB */ + int match_len_limit; /* 5 .. 273 */ }; enum Mode { m_compress, m_decompress, m_test }; @@ -104,7 +104,7 @@ static void show_help( void ) " -m, --match-length=<bytes> set match length limit in bytes [36]\n" " -o, --output=<file> if reading stdin, place the output into <file>\n" " -q, --quiet suppress all messages\n" - " -s, --dictionary-size=<bytes> set dictionary size limit in bytes [8MiB]\n" + " -s, --dictionary-size=<bytes> set dictionary size limit in bytes [8 MiB]\n" " -t, --test test compressed file integrity\n" " -v, --verbose be verbose (a 2nd -v gives more)\n" " -1 .. -9 set compression level [default 6]\n" @@ -117,7 +117,8 @@ static void show_help( void ) "The bidimensional parameter space of LZMA can't be mapped to a linear\n" "scale optimal for all files. If your files are large, very repetitive,\n" "etc, you may need to use the --match-length and --dictionary-size\n" - "options directly to achieve optimal performance.\n" + "options directly to achieve optimal performance. For example, -9m64\n" + "usually compresses executables more (and faster) than -9.\n" "\nExit status: 0 for a normal exit, 1 for environmental problems (file\n" "not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or\n" "invalid input file, 3 for an internal consistency error (eg, bug) which\n" |