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-rw-r--r--main.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/main.c b/main.c
index 9e69828..6732b13 100644
--- a/main.c
+++ b/main.c
@@ -15,7 +15,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
- Return values: 0 for a normal exit, 1 for environmental problems
+ Exit status: 0 for a normal exit, 1 for environmental problems
(file not found, invalid flags, I/O errors, etc), 2 to indicate a
corrupt or invalid input file, 3 for an internal consistency error
(eg, bug) which caused minilzip to panic.
@@ -176,6 +176,10 @@ static void show_help( void )
"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"
+ "\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"
+ "caused minilzip to panic.\n"
"\nReport bugs to lzip-bug@nongnu.org\n"
"Lzlib home page: http://www.nongnu.org/lzip/lzlib.html\n" );
}
@@ -205,8 +209,9 @@ void show_header( struct LZ_Decoder * const decoder )
for( i = 0; i < 8 && ( num > 9999 || ( exact && num >= factor ) ); ++i )
{ num /= factor; if( num % factor != 0 ) exact = false;
p = prefix[i]; np = ""; }
- fprintf( stderr, "version %d, dictionary size %s%4u %sB. ",
- LZ_decompress_member_version( decoder ), np, num, p );
+ if( verbosity >= 4 )
+ fprintf( stderr, "version %d, ", LZ_decompress_member_version( decoder ) );
+ fprintf( stderr, "dictionary size %s%4u %sB. ", np, num, p );
}
@@ -687,8 +692,8 @@ int do_decompress( struct LZ_Decoder * const decoder, const int infd,
const unsigned long long data_position = LZ_decompress_data_position( decoder );
const unsigned long long member_size = LZ_decompress_member_position( decoder );
Pp_show_msg( pp, 0 );
- if( verbosity >= 2 ) show_header( decoder );
- if( verbosity >= 3 && data_position > 0 && member_size > 0 )
+ if( verbosity >= 3 ) show_header( decoder );
+ if( verbosity >= 2 && data_position > 0 && member_size > 0 )
fprintf( stderr, "%6.3f:1, %6.3f bits/byte, %5.2f%% saved. ",
(double)data_position / member_size,
( 8.0 * member_size ) / data_position,
@@ -697,8 +702,7 @@ int do_decompress( struct LZ_Decoder * const decoder, const int infd,
fprintf( stderr, "data CRC %08X, data size %9llu, member size %8llu. ",
LZ_decompress_data_crc( decoder ),
data_position, member_size );
- if( testing ) fprintf( stderr, "ok\n" );
- else fprintf( stderr, "done\n" );
+ fprintf( stderr, testing ? "ok\n" : "done\n" );
}
first_member = false; Pp_reset( pp );
}
@@ -874,6 +878,7 @@ int main( const int argc, const char * const argv[] )
{ 'h', "help", ap_no },
{ 'k', "keep", ap_no },
{ 'm', "match-length", ap_yes },
+ { 'n', "threads", ap_yes },
{ 'o', "output", ap_yes },
{ 'q', "quiet", ap_no },
{ 's', "dictionary-size", ap_yes },
@@ -918,6 +923,7 @@ int main( const int argc, const char * const argv[] )
case 'm': encoder_options.match_len_limit =
getnum( arg, LZ_min_match_len_limit(),
LZ_max_match_len_limit() ); break;
+ case 'n': break;
case 'o': default_output_filename = arg; break;
case 'q': verbosity = -1; break;
case 's': encoder_options.dictionary_size = get_dict_size( arg );