142 lines
4.2 KiB
C++
142 lines
4.2 KiB
C++
/* Copyright (C) 2004, 2005, 2006, 2007, 2008 Bart Hakvoort
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "../include/ext3.h"
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namespace GParted
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{
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FS ext3::get_filesystem_support()
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{
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FS fs ;
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fs .filesystem = GParted::FS_EXT3 ;
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if ( ! Glib::find_program_in_path( "dumpe2fs" ) .empty() )
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fs .read = GParted::FS::EXTERNAL ;
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if ( ! Glib::find_program_in_path( "e2label" ) .empty() ) {
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fs .read_label = FS::EXTERNAL ;
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fs .write_label = FS::EXTERNAL ;
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}
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if ( ! Glib::find_program_in_path( "mkfs.ext3" ) .empty() )
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fs .create = GParted::FS::EXTERNAL ;
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if ( ! Glib::find_program_in_path( "e2fsck" ) .empty() )
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fs .check = GParted::FS::EXTERNAL ;
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if ( ! Glib::find_program_in_path( "resize2fs" ) .empty() && fs .check )
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{
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fs .grow = GParted::FS::EXTERNAL ;
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if ( fs .read ) //needed to determine a min file system size..
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fs .shrink = GParted::FS::EXTERNAL ;
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}
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if ( fs .check )
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{
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fs .copy = GParted::FS::GPARTED ;
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fs .move = GParted::FS::GPARTED ;
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}
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return fs ;
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}
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void ext3::set_used_sectors( Partition & partition )
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{
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if ( ! Utils::execute_command( "dumpe2fs -h " + partition .get_path(), output, error, true ) )
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{
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index = output .find( "Free blocks:" ) ;
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if ( index >= output .length() ||
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sscanf( output.substr( index ) .c_str(), "Free blocks: %Ld", &N ) != 1 )
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N = -1 ;
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index = output .find( "Block size:" ) ;
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if ( index >= output.length() ||
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sscanf( output.substr( index ) .c_str(), "Block size: %Ld", &S ) != 1 )
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S = -1 ;
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if ( N > -1 && S > -1 )
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partition .Set_Unused( Utils::round( N * ( S / 512.0 ) ) ) ;
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}
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else
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{
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if ( ! output .empty() )
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partition .messages .push_back( output ) ;
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if ( ! error .empty() )
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partition .messages .push_back( error ) ;
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}
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}
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void ext3::read_label( Partition & partition )
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{
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if ( ! Utils::execute_command( "e2label " + partition .get_path(), output, error, true ) )
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{
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partition .label = Utils::regexp_label( output, "^(.*)" ) ;
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}
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else
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{
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if ( ! output .empty() )
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partition .messages .push_back( output ) ;
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if ( ! error .empty() )
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partition .messages .push_back( error ) ;
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}
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}
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bool ext3::write_label( const Partition & partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "e2label " + partition .get_path() + " \"" + partition .label + "\"", operationdetail ) ;
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}
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bool ext3::create( const Partition & new_partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "mkfs.ext3 -L \"" + new_partition .label + "\" " + new_partition .get_path(), operationdetail ) ;
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}
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bool ext3::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
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{
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Glib::ustring str_temp = "resize2fs " + partition_new .get_path() ;
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if ( ! fill_partition )
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str_temp += " " + Utils::num_to_str( Utils::round( Utils::sector_to_unit(
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partition_new .get_length(), GParted::UNIT_KIB ) ) -1, true ) + "K" ;
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return ! execute_command( str_temp, operationdetail ) ;
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}
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bool ext3::copy( const Glib::ustring & src_part_path,
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const Glib::ustring & dest_part_path,
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OperationDetail & operationdetail )
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{
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return true ;
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}
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bool ext3::check_repair( const Partition & partition, OperationDetail & operationdetail )
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{
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exit_status = execute_command( "e2fsck -f -y -v " + partition .get_path(), operationdetail ) ;
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//exitstatus 256 isn't documented, but it's returned when the 'FILE SYSTEM IS MODIFIED'
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//this is quite normal (especially after a copy) so we let the function return true...
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return ( exit_status == 0 || exit_status == 1 || exit_status == 2 || exit_status == 256 ) ;
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}
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} //GParted
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