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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 12:54:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 12:54:40 +0000
commit47d9004eff8861813477ed571350f7cd83ea4fd4 (patch)
treef909edd49006917e1d3cdae838ca56f5fa7fc9ff /list.c
parentInitial commit. (diff)
downloadlunzip-upstream.tar.xz
lunzip-upstream.zip
Adding upstream version 1.14.upstream/1.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--list.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/list.c b/list.c
new file mode 100644
index 0000000..c711031
--- /dev/null
+++ b/list.c
@@ -0,0 +1,112 @@
+/* Lunzip - Decompressor for the lzip format
+ Copyright (C) 2010-2024 Antonio Diaz Diaz.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define _FILE_OFFSET_BITS 64
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "lzip.h"
+#include "lzip_index.h"
+
+
+static void list_line( const unsigned long long uncomp_size,
+ const unsigned long long comp_size,
+ const char * const input_filename )
+ {
+ if( uncomp_size > 0 )
+ printf( "%14llu %14llu %6.2f%% %s\n", uncomp_size, comp_size,
+ 100.0 - ( ( 100.0 * comp_size ) / uncomp_size ),
+ input_filename );
+ else
+ printf( "%14llu %14llu -INF%% %s\n", uncomp_size, comp_size,
+ input_filename );
+ }
+
+
+int list_files( const char * const filenames[], const int num_filenames,
+ const struct Cl_options * const cl_opts )
+ {
+ unsigned long long total_comp = 0, total_uncomp = 0;
+ int files = 0, retval = 0;
+ int i;
+ bool first_post = true;
+ bool stdin_used = false;
+
+ for( i = 0; i < num_filenames; ++i )
+ {
+ const bool from_stdin = ( strcmp( filenames[i], "-" ) == 0 );
+ if( from_stdin ) { if( stdin_used ) continue; else stdin_used = true; }
+ const char * const input_filename = from_stdin ? "(stdin)" : filenames[i];
+ struct stat in_stats; /* not used */
+ const int infd = from_stdin ? STDIN_FILENO :
+ open_instream( input_filename, &in_stats, false, true );
+ if( infd < 0 ) { set_retval( &retval, 1 ); continue; }
+
+ struct Lzip_index lzip_index;
+ Li_init( &lzip_index, infd, cl_opts );
+ close( infd );
+ if( lzip_index.retval != 0 )
+ {
+ show_file_error( input_filename, lzip_index.error, 0 );
+ set_retval( &retval, lzip_index.retval );
+ Li_free( &lzip_index ); continue;
+ }
+ if( verbosity < 0 ) { Li_free( &lzip_index ); continue; }
+ const unsigned long long udata_size = Li_udata_size( &lzip_index );
+ const unsigned long long cdata_size = Li_cdata_size( &lzip_index );
+ total_comp += cdata_size; total_uncomp += udata_size; ++files;
+ const long members = lzip_index.members;
+ if( first_post )
+ {
+ first_post = false;
+ if( verbosity >= 1 ) fputs( " dict memb trail ", stdout );
+ fputs( " uncompressed compressed saved name\n", stdout );
+ }
+ if( verbosity >= 1 )
+ printf( "%s %5ld %6lld ", format_ds( lzip_index.dictionary_size ),
+ members, Li_file_size( &lzip_index ) - cdata_size );
+ list_line( udata_size, cdata_size, input_filename );
+
+ if( verbosity >= 2 && members > 1 )
+ {
+ long i;
+ fputs( " member data_pos data_size member_pos member_size\n", stdout );
+ for( i = 0; i < members; ++i )
+ {
+ const struct Block * db = Li_dblock( &lzip_index, i );
+ const struct Block * mb = Li_mblock( &lzip_index, i );
+ printf( "%6ld %14llu %14llu %14llu %14llu\n",
+ i + 1, db->pos, db->size, mb->pos, mb->size );
+ }
+ first_post = true; /* reprint heading after list of members */
+ }
+ fflush( stdout );
+ Li_free( &lzip_index );
+ }
+ if( verbosity >= 0 && files > 1 )
+ {
+ if( verbosity >= 1 ) fputs( " ", stdout );
+ list_line( total_uncomp, total_comp, "(totals)" );
+ fflush( stdout );
+ }
+ return retval;
+ }