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authorDaniel Baumann <daniel.baumann@progress-linux.org>2019-01-05 20:07:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2019-01-05 20:07:41 +0000
commit33c0b568b11710608255b337a45aff0d147de2b4 (patch)
tree0d2d18685bef4b160194b2980174b2ebd62d97e1 /trailing_data.cc
parentAdding upstream version 1.20. (diff)
downloadlziprecover-33c0b568b11710608255b337a45aff0d147de2b4.tar.xz
lziprecover-33c0b568b11710608255b337a45aff0d147de2b4.zip
Adding upstream version 1.21.upstream/1.21
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'trailing_data.cc')
-rw-r--r--trailing_data.cc144
1 files changed, 0 insertions, 144 deletions
diff --git a/trailing_data.cc b/trailing_data.cc
deleted file mode 100644
index e03b145..0000000
--- a/trailing_data.cc
+++ /dev/null
@@ -1,144 +0,0 @@
-/* Lziprecover - Data recovery tool for the lzip format
- Copyright (C) 2009-2018 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 <cerrno>
-#include <cstdio>
-#include <cstring>
-#include <string>
-#include <vector>
-#include <stdint.h>
-#include <unistd.h>
-#include <utime.h>
-#include <sys/stat.h>
-
-#include "lzip.h"
-#include "block.h"
-#include "file_index.h"
-
-
-int dump_tdata( const std::vector< std::string > & filenames,
- const std::string & default_output_filename, const bool force,
- const bool strip, const bool loose_trailing )
- {
- if( default_output_filename.empty() ) outfd = STDOUT_FILENO;
- else
- {
- output_filename = default_output_filename;
- if( !open_outstream( force, true, false, false ) ) return 1;
- }
- unsigned long long total_size = 0;
- int files = 0, retval = 0;
- bool stdin_used = false;
- for( unsigned i = 0; i < filenames.size(); ++i )
- {
- const bool from_stdin = ( filenames[i] == "-" );
- if( from_stdin ) { if( stdin_used ) continue; else stdin_used = true; }
- const char * const input_filename =
- from_stdin ? "(stdin)" : filenames[i].c_str();
- struct stat in_stats; // not used
- const int infd = from_stdin ? STDIN_FILENO :
- open_instream( input_filename, &in_stats, true, true );
- if( infd < 0 ) { if( retval < 1 ) retval = 1; continue; }
-
- const File_index file_index( infd, false, true, loose_trailing );
- if( file_index.retval() != 0 )
- {
- show_file_error( input_filename, file_index.error().c_str() );
- if( retval < file_index.retval() ) retval = file_index.retval();
- close( infd );
- continue;
- }
- const unsigned long long cdata_size = file_index.cdata_size();
- const long long trailing_size = file_index.file_size() - cdata_size;
- if( strip )
- {
- total_size += cdata_size; ++files;
- if( !safe_seek( infd, 0 ) || !copy_file( infd, outfd, cdata_size ) )
- cleanup_and_fail( 1 );
- }
- else if( trailing_size > 0 )
- {
- total_size += trailing_size; ++files;
- if( !safe_seek( infd, cdata_size ) || !copy_file( infd, outfd ) )
- cleanup_and_fail( 1 );
- }
- close( infd );
- }
- if( verbosity >= 1 )
- {
- if( strip )
- std::fprintf( stderr, "%llu bytes copied from %d file(s).\n",
- total_size, files );
- else
- std::fprintf( stderr, "%llu trailing bytes dumped from %d file(s).\n",
- total_size, files );
- }
- if( close_outstream( 0 ) != 0 ) return 1;
- return retval;
- }
-
-
-int remove_tdata( const std::vector< std::string > & filenames,
- const bool loose_trailing )
- {
- unsigned long long total_size = 0;
- int files = 0, retval = 0;
- for( unsigned i = 0; i < filenames.size(); ++i )
- {
- const char * const filename = filenames[i].c_str();
- struct stat in_stats;
- const int infd = open_truncable_stream( filename, &in_stats );
- if( infd < 0 ) { if( retval < 1 ) retval = 1; continue; }
-
- const File_index file_index( infd, false, true, loose_trailing );
- if( file_index.retval() != 0 )
- {
- show_file_error( filename, file_index.error().c_str() );
- if( retval < file_index.retval() ) retval = file_index.retval();
- close( infd );
- continue;
- }
- const unsigned long long cdata_size = file_index.cdata_size();
- const long long trailing_size = file_index.file_size() - cdata_size;
- if( trailing_size > 0 )
- {
- int i;
- do i = ftruncate( infd, cdata_size );
- while( i != 0 && errno == EINTR );
- if( i == 0 )
- {
- struct utimbuf t;
- t.actime = in_stats.st_atime;
- t.modtime = in_stats.st_mtime;
- utime( filename, &t );
- total_size += trailing_size; ++files;
- }
- else
- {
- show_file_error( filename, "Can't truncate file", errno );
- if( retval < 1 ) retval = 1;
- }
- }
- close( infd );
- }
- if( verbosity >= 1 )
- std::fprintf( stderr, "%llu trailing bytes removed from %d file(s).\n",
- total_size, files );
- return retval;
- }