gparted/src/fat32.cc

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/* Copyright (C) 2004 Bart
*
* 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../include/fat32.h"
namespace GParted
{
FS fat32::get_filesystem_support( )
{
FS fs ;
fs .filesystem = GParted::FS_FAT32 ;
//find out if we can create fat32 filesystems
if ( ! system( "which mkdosfs 1>/dev/null 2>/dev/null" ) )
fs .create = GParted::FS::EXTERNAL ;
if ( ! system( "which dosfsck 1>/dev/null 2>/dev/null" ) )
{
fs .check = GParted::FS::EXTERNAL ;
fs .read = GParted::FS::EXTERNAL ;
}
//resizing of start and endpoint are provided by libparted
fs .grow = GParted::FS::LIBPARTED ;
fs .shrink = GParted::FS::LIBPARTED ;
fs .move = GParted::FS::LIBPARTED ;
if ( ! system( "which dd 1>/dev/null 2>/dev/null" ) )
fs .copy = GParted::FS::EXTERNAL ;
fs .MIN = 32 ; //smaller fs'es will cause windows scandisk to fail..
return fs ;
}
void fat32::Set_Used_Sectors( Partition & partition )
{
argv .push_back( "dosfsck" ) ;
argv .push_back( "-v" ) ;
argv .push_back( partition .partition ) ;
envp .push_back( "LC_ALL=C" ) ;
try
{
Glib::spawn_sync( ".", argv, envp, Glib::SPAWN_SEARCH_PATH, sigc::slot< void >(), &output ) ;
}
catch ( Glib::Exception & e )
{
std::cout << e .what() << std::endl ;
return ;
}
//free clusters
index = output .find( ",", output .find( partition .partition ) + partition .partition .length() ) +1 ;
if ( index < output .length() && sscanf( output .substr( index ) .c_str(), "%Ld / %Ld", &S, &N ) == 2 )
N -= S ;
else
N = -1 ;
//bytes per cluster
index = output .rfind( "\n", output .find( "bytes per cluster" ) ) +1 ;
if ( index >= output .length() || sscanf( output .substr( index ) .c_str(), "%Ld", &S ) != 1 )
S = -1 ;
if ( N > -1 && S > -1 )
partition .Set_Unused( N * S / 512 ) ;
}
bool fat32::Create( const Partition & new_partition )
{
return ! Execute_Command( "mkdosfs -F32 " + new_partition .partition ) ;
}
bool fat32::Resize( const Partition & partition_new, bool fill_partition )
{
//handled in GParted_Core::Resize_Normal_Using_Libparted
return false ;
}
bool fat32::Copy( const Glib::ustring & src_part_path, const Glib::ustring & dest_part_path )
{
return ! Execute_Command( "dd bs=8192 if=" + src_part_path + " of=" + dest_part_path ) ;
}
bool fat32::Check_Repair( const Partition & partition )
{
return ! Execute_Command( "dosfsck -aw " + partition .partition ) ;
}
int fat32::get_estimated_time( long MB_to_Consider )
{
return -1 ;
}
} //GParted