Adding upstream version 1.13.upstream/1.13upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 111 insertions, 0 deletions

diff --git a/list.c b/list.c
new file mode 100644
index 0000000..33de75c
--- /dev/null
+++ b/list.c
@@ -0,0 +1,111 @@
+/* Lunzip - Decompressor for the lzip format
+   Copyright (C) 2010-2022 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 bool ignore_trailing, const bool loose_trailing )
+  {
+  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, ignore_trailing, loose_trailing );
+    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;
+  }