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:sector_to_unit() and use it in several places fixed errors with 

* implemented Utils::sector_to_unit() and use it in several places
* (finally) fixed errors with ntfsresizing (had a lot to do with
  difference between MB and MiB)
* resizing of reiserfs now shows more detailed feedback
* support for TebiByte (TiB) unit
This commit is contained in:
Bart Hakvoort 2006-01-22 00:07:27 +00:00
parent dbdd9da69e
commit 7d4b6a2eea
13 changed files with 141 additions and 62 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2006-01-22 Bart Hakvoort <hakvoort@cvs.gnome.org>
* implemented Utils::sector_to_unit() and use it in several places
* (finally) fixed errors with ntfsresizing (had a lot to do with
difference between MB and MiB)
* resizing of reiserfs now shows more detailed feedback
* support for TebiByte (TiB) unit
2006-01-21 Bart Hakvoort <hakvoort@cvs.gnome.org>
* changed KB/MB/GB/TB to KiB/MiB/GiB/TiB after reading http://www.iec.ch/zone/si/si_bytes.htm

23
include/Utils.h
View File

@ -37,7 +37,11 @@ namespace GParted
typedef long long Sector;
#define MEGABYTE 2048 //try it: 2048 * 512 / 1024 /1024 == 1 :P
//sizeunits defined in sectors of 512 bytes..
#define KIBIBYTE 2
#define MEBIBYTE 2048
#define GIBIBYTE 2097152
#define TEBIBYTE 2147483648U
enum FILESYSTEM
{
@ -64,6 +68,17 @@ enum FILESYSTEM
FS_UNUSED = 18
};
enum SIZE_UNIT
{
UNIT_SECTOR = 0,
UNIT_BYTE = 1,
UNIT_KIB = 2,
UNIT_MIB = 3,
UNIT_GIB = 4,
UNIT_TIB = 5,
};
//struct to store filesysteminformation
struct FS
{
@ -85,7 +100,7 @@ struct FS
int MIN ;
int MAX ;
FS( )
FS()
{
read = create = grow = shrink = move = check = copy = NONE;
MIN = MAX = 0 ;
@ -96,8 +111,7 @@ struct FS
class Utils
{
public:
static long Round( double double_value ) ;
static long Sector_To_MB( Sector sectors ) ;
static Sector Round( double double_value ) ;
static Gtk::Label * mk_label( const Glib::ustring & text,
bool use_markup = true,
bool align_left = true,
@ -115,6 +129,7 @@ public:
const Glib::ustring & data = "" ) ;
static bool unmount( const Glib::ustring & node, const Glib::ustring & mountpoint, Glib::ustring & error ) ;
static Glib::ustring format_size( Sector size ) ;
static double sector_to_unit( Sector sectors, SIZE_UNIT size_unit ) ;
};

8
src/Dialog_Base_Partition.cc
View File

@ -112,10 +112,10 @@ void Dialog_Base_Partition::Set_Resizer( bool extended )
Partition Dialog_Base_Partition::Get_New_Partition( )
{
if ( ORIG_BEFORE != spinbutton_before .get_value_as_int( ) )
selected_partition .sector_start = START + spinbutton_before .get_value_as_int( ) * MEGABYTE ;
selected_partition .sector_start = START + spinbutton_before .get_value_as_int( ) * MEBIBYTE ;
if ( ORIG_AFTER != spinbutton_after .get_value_as_int( ) )
selected_partition .sector_end = selected_partition .sector_start + spinbutton_size .get_value_as_int( ) * MEGABYTE ;
selected_partition .sector_end = selected_partition .sector_start + spinbutton_size .get_value_as_int( ) * MEBIBYTE ;
//due to loss of precision during calcs from Sector -> MiB and back, it is possible the new partition thinks it's bigger then it can be. Here we solve this.
if ( selected_partition .sector_start < START )
@ -124,9 +124,9 @@ Partition Dialog_Base_Partition::Get_New_Partition( )
selected_partition .sector_end = START + total_length ;
//grow a bit into small freespace ( < 1MB )
if ( (selected_partition .sector_start - START) < MEGABYTE )
if ( (selected_partition .sector_start - START) < MEBIBYTE )
selected_partition .sector_start = START ;
if ( ( START + total_length - selected_partition .sector_end ) < MEGABYTE )
if ( ( START + total_length - selected_partition .sector_end ) < MEBIBYTE )
selected_partition .sector_end = START + total_length ;
//set new value of unused..

8
src/Dialog_Partition_New.cc
View File

@ -130,8 +130,8 @@ Partition Dialog_Partition_New::Get_New_Partition()
default : part_type = GParted::TYPE_UNALLOCATED ;
}
new_start = START + (Sector) (spinbutton_before .get_value( ) * MEGABYTE) ;
new_end = new_start + (Sector) (spinbutton_size .get_value( ) * MEGABYTE) ;
new_start = START + (Sector) (spinbutton_before .get_value( ) * MEBIBYTE) ;
new_end = new_start + (Sector) (spinbutton_size .get_value( ) * MEBIBYTE) ;
/* due to loss of precision during calcs from Sector -> MiB and back, it is possible the new
* partition thinks it's bigger then it can be. Here we try to solve this.*/
@ -149,9 +149,9 @@ Partition Dialog_Partition_New::Get_New_Partition()
selected_partition .inside_extended, false) ;
//grow new partition a bit if freespaces are < 1 MiB
if ( (part_temp.sector_start - selected_partition.sector_start) < MEGABYTE )
if ( (part_temp.sector_start - selected_partition.sector_start) < MEBIBYTE )
part_temp.sector_start = selected_partition.sector_start ;
if ( (selected_partition.sector_end - part_temp.sector_end) < MEGABYTE )
if ( (selected_partition.sector_end - part_temp.sector_end) < MEBIBYTE )
part_temp.sector_end = selected_partition.sector_end ;
//if new is extended...

21
src/Dialog_Partition_Resize_Move.cc
View File

@ -99,7 +99,7 @@ void Dialog_Partition_Resize_Move::Resize_Move_Normal( const std::vector <Partit
next = partitions[t +1].sector_end - partitions[t +1].sector_start ;
total_length = previous + (selected_partition.sector_end - selected_partition.sector_start) + next;
TOTAL_MB = Utils::Sector_To_MB( total_length ) ;
TOTAL_MB = Utils::Round( Utils::sector_to_unit( total_length, GParted::UNIT_MIB ) ) ;
MB_PER_PIXEL = TOTAL_MB / 500.00 ;
@ -130,7 +130,7 @@ void Dialog_Partition_Resize_Move::Resize_Move_Normal( const std::vector <Partit
if ( ! fixed_start )
{
spinbutton_before .set_range( 0, TOTAL_MB - fs .MIN ) ;
spinbutton_before .set_value( Utils::Sector_To_MB( previous ) ) ;
spinbutton_before .set_value( Utils::Round( Utils::sector_to_unit( previous, GParted::UNIT_MIB ) ) ) ;
}
//set values of spinbutton_size
@ -139,7 +139,7 @@ void Dialog_Partition_Resize_Move::Resize_Move_Normal( const std::vector <Partit
//set values of spinbutton_after
spinbutton_after .set_range( 0, TOTAL_MB - fs .MIN ) ;
spinbutton_after .set_value( Utils::Sector_To_MB( next ) ) ;
spinbutton_after .set_value( Utils::Round( Utils::sector_to_unit( next, GParted::UNIT_MIB ) ) ) ;
frame_resizer_base ->set_size_limits( Utils::Round( fs .MIN / MB_PER_PIXEL ), Utils::Round( fs .MAX / MB_PER_PIXEL ) +1 ) ;
@ -171,7 +171,7 @@ void Dialog_Partition_Resize_Move::Resize_Move_Extended( const std::vector <Part
//now we have enough data to calculate some important values..
total_length = previous + (selected_partition.sector_end - selected_partition.sector_start) + next;
TOTAL_MB = Utils::Sector_To_MB( total_length ) ;
TOTAL_MB = Utils::Round( Utils::sector_to_unit( total_length, UNIT_MIB ) ) ;
MB_PER_PIXEL = TOTAL_MB / 500.00 ;
//calculate proportional length of partition ( in pixels )
@ -198,15 +198,15 @@ void Dialog_Partition_Resize_Move::Resize_Move_Extended( const std::vector <Part
if ( first == 0 ) //no logicals
spinbutton_before .set_range( 0, TOTAL_MB - BUF/2 ) ;
else
spinbutton_before .set_range( 0, Utils::Sector_To_MB (first - START) ) ;
spinbutton_before .set_range( 0, Utils::Round( Utils::sector_to_unit( first - START, GParted::UNIT_MIB ) ) ) ;
spinbutton_before .set_value( Utils::Sector_To_MB ( previous ) ) ;
spinbutton_before .set_value( Utils::Round( Utils::sector_to_unit( previous, GParted::UNIT_MIB ) ) ) ;
//set values of spinbutton_size
if ( first == 0 ) //no logicals
spinbutton_size .set_range( BUF/2, TOTAL_MB ) ;
else
spinbutton_size .set_range( Utils::Sector_To_MB( used ), TOTAL_MB ) ;
spinbutton_size .set_range( Utils::Round( Utils::sector_to_unit( used, GParted::UNIT_MIB ) ), TOTAL_MB ) ;
spinbutton_size .set_value( selected_partition .Get_Length_MB( ) ) ;
@ -214,12 +214,13 @@ void Dialog_Partition_Resize_Move::Resize_Move_Extended( const std::vector <Part
if ( first == 0 ) //no logicals
spinbutton_after .set_range( 0, TOTAL_MB - BUF/2 ) ;
else
spinbutton_after .set_range( 0, Utils::Sector_To_MB( total_length + START - first - used) ) ;
spinbutton_after .set_range( 0, Utils::Round( Utils::sector_to_unit( total_length + START - first - used, GParted::UNIT_MIB ) ) ) ;
spinbutton_after .set_value( Utils::Sector_To_MB( next ) ) ;
spinbutton_after .set_value( Utils::Round( Utils::sector_to_unit( next, GParted::UNIT_MIB ) ) ) ;
//set contents of label_minmax
Set_MinMax_Text( first == 0 ? BUF/2 : Utils::Sector_To_MB( used ), Utils::Sector_To_MB( total_length ) ) ;
Set_MinMax_Text( first == 0 ? BUF/2 : Utils::Round( Utils::sector_to_unit( used, GParted::UNIT_MIB ) ),
Utils::Round( Utils::sector_to_unit( total_length, GParted::UNIT_MIB ) ) ) ;
}
} //GParted

17
src/GParted_Core.cc
View File

@ -114,7 +114,8 @@ void GParted_Core::get_devices( std::vector<Device> & devices )
temp_device .sectors = lp_device ->bios_geom .sectors ;
temp_device .cylinders = lp_device ->bios_geom .cylinders ;
temp_device .length = temp_device .heads * temp_device .sectors * temp_device .cylinders ;
temp_device .cylsize = Utils::Sector_To_MB( temp_device .heads * temp_device .sectors ) ;
temp_device .cylsize = Utils::Round( Utils::sector_to_unit(
temp_device .heads * temp_device .sectors, GParted::UNIT_MIB ) ) ;
//make sure cylsize is at least 1 MiB
if ( temp_device .cylsize < 1 )
@ -440,7 +441,7 @@ void GParted_Core::insert_unallocated( const Glib::ustring & device_path, std::v
}
//start <---> first partition start
if ( (partitions .front( ) .sector_start - start) >= MEGABYTE )
if ( (partitions .front( ) .sector_start - start) >= MEBIBYTE )
{
partition_temp .sector_start = start ;
partition_temp .sector_end = partitions .front( ) .sector_start -1 ;
@ -450,7 +451,7 @@ void GParted_Core::insert_unallocated( const Glib::ustring & device_path, std::v
//look for gaps in between
for ( unsigned int t =0 ; t < partitions .size( ) -1 ; t++ )
if ( ( partitions[ t +1 ] .sector_start - partitions[ t ] .sector_end ) >= MEGABYTE )
if ( ( partitions[ t +1 ] .sector_start - partitions[ t ] .sector_end ) >= MEBIBYTE )
{
partition_temp .sector_start = partitions[ t ] .sector_end +1 ;
partition_temp .sector_end = partitions[ t +1 ] .sector_start -1 ;
@ -459,7 +460,7 @@ void GParted_Core::insert_unallocated( const Glib::ustring & device_path, std::v
}
//last partition end <---> end
if ( (end - partitions .back( ) .sector_end ) >= MEGABYTE )
if ( (end - partitions .back( ) .sector_end ) >= MEBIBYTE )
{
partition_temp .sector_start = partitions .back( ) .sector_end +1 ;
partition_temp .sector_end = end ;
@ -748,9 +749,9 @@ int GParted_Core::create_empty_partition( Partition & new_partition,
if ( constraint )
{
if ( copy )
constraint ->min_size = new_partition .sector_end - new_partition .sector_start ;
constraint ->min_size = new_partition .get_length() ;
if ( ped_disk_add_partition( lp_disk, c_part, constraint ) && commit( ) )
if ( ped_disk_add_partition( lp_disk, c_part, constraint ) && commit() )
{
new_partition .partition = ped_partition_get_path( c_part ) ;
new_partition .partition_number = c_part ->num ;
@ -761,7 +762,7 @@ int GParted_Core::create_empty_partition( Partition & new_partition,
}
close_device_and_disk( ) ;
close_device_and_disk() ;
}
if ( new_partition .type == GParted::TYPE_EXTENDED ||
@ -820,7 +821,7 @@ bool GParted_Core::resize_container_partition( const Partition & partition_old,
if ( constraint )
{
if ( ped_disk_set_partition_geom( lp_disk, lp_partition, constraint, partition_new .sector_start, partition_new .sector_end ) )
return_value = commit( ) ;
return_value = commit() ;
ped_constraint_destroy( constraint );
}

20
src/Operation.cc
View File

@ -86,18 +86,22 @@ Glib::ustring Operation::Get_String( )
case RESIZE_MOVE:
//if startsector has changed >= 1 MiB we consider it a move
diff = std::abs( partition_new .sector_start - partition_original .sector_start ) ;
if ( diff >= MEGABYTE )
if ( diff >= MEBIBYTE )
{
if ( partition_new .sector_start > partition_original .sector_start )
temp = String::ucompose( _("Move %1 forward by %2 MiB"), partition_new.partition, Utils::Sector_To_MB( diff ) ) ;
temp = String::ucompose( _("Move %1 forward by %2 MiB"),
partition_new.partition,
Utils::Round( Utils::sector_to_unit( diff, GParted::UNIT_MIB ) ) ) ;
else
temp = String::ucompose( _("Move %1 backward by %2 MiB"), partition_new.partition, Utils::Sector_To_MB( diff ) ) ;
temp = String::ucompose( _("Move %1 backward by %2 MiB"),
partition_new.partition,
Utils::Round( Utils::sector_to_unit( diff, GParted::UNIT_MIB ) ) ) ;
}
//check if size has changed ( we only consider changes >= 1 MiB )
diff = std::abs( (partition_original .sector_end - partition_original .sector_start) - (partition_new .sector_end - partition_new .sector_start) ) ;
if ( diff >= MEGABYTE )
if ( diff >= MEBIBYTE )
{
if ( temp .empty( ) )
temp = String::ucompose( _("Resize %1 from %2 MiB to %3 MiB"),
@ -127,7 +131,7 @@ Glib::ustring Operation::Get_String( )
return String::ucompose( _("Copy %1 to %2 (start at %3 MiB)"),
partition_new .partition,
device .path,
Utils::Sector_To_MB( partition_new .sector_start ) ) ;
Utils::Round( Utils::sector_to_unit( partition_new .sector_start, GParted::UNIT_MIB ) ) ) ;
default :
return "";
@ -167,7 +171,7 @@ void Operation::Insert_Unallocated( std::vector<Partition> & partitions, Sector
}
//start <---> first partition start
if ( (partitions .front( ) .sector_start - start) >= MEGABYTE )
if ( (partitions .front( ) .sector_start - start) >= MEBIBYTE )
{
UNALLOCATED .sector_start = start ;
UNALLOCATED .sector_end = partitions .front( ) .sector_start -1 ;
@ -177,7 +181,7 @@ void Operation::Insert_Unallocated( std::vector<Partition> & partitions, Sector
//look for gaps in between
for ( unsigned int t =0 ; t < partitions .size( ) -1 ; t++ )
if ( ( partitions[ t +1 ] .sector_start - partitions[ t ] .sector_end ) >= MEGABYTE )
if ( ( partitions[ t +1 ] .sector_start - partitions[ t ] .sector_end ) >= MEBIBYTE )
{
UNALLOCATED .sector_start = partitions[ t ] .sector_end +1 ;
UNALLOCATED .sector_end = partitions[ t +1 ] .sector_start -1 ;
@ -186,7 +190,7 @@ void Operation::Insert_Unallocated( std::vector<Partition> & partitions, Sector
}
//last partition end <---> end
if ( (end - partitions .back( ) .sector_end ) >= MEGABYTE )
if ( (end - partitions .back( ) .sector_end ) >= MEBIBYTE )
{
UNALLOCATED .sector_start = partitions .back( ) .sector_end +1 ;
UNALLOCATED .sector_end = end ;

4
src/Partition.cc
View File

@ -93,12 +93,12 @@ void Partition::Update_Number( int new_number )
long Partition::Get_Length_MB() const
{
return Utils::Sector_To_MB( sector_end - sector_start ) ;
return Utils::Round( Utils::sector_to_unit( get_length(), GParted::UNIT_MIB ) ) ;
}
long Partition::Get_Used_MB() const
{
return Utils::Sector_To_MB( this ->sectors_used ) ;
return Utils::Round( Utils::sector_to_unit( sectors_used, GParted::UNIT_MIB ) ) ;
}
long Partition::Get_Unused_MB() const

58
src/Utils.cc
View File

@ -22,18 +22,12 @@
#include <cerrno>
#include <iomanip>
namespace GParted
{
long Utils::Round( double double_value )
Sector Utils::Round( double double_value )
{
return static_cast<long>( double_value + 0.5 ) ;
}
long Utils::Sector_To_MB( Sector sectors )
{
return Round( sectors * 0.000488281250 ) ; // that's what 512/1024/1024 gives you :)
return static_cast<Sector>( double_value + 0.5 ) ;
}
Gtk::Label * Utils::mk_label( const Glib::ustring & text, bool use_markup, bool align_left, bool wrap, const Glib::ustring & text_color )
@ -241,20 +235,58 @@ bool Utils::unmount( const Glib::ustring & node, const Glib::ustring & mountpoin
Glib::ustring Utils::format_size( Sector size )
{
size *= 512 ;
std::stringstream ss ;
//ss .imbue( std::locale( "" ) ) ; see #157871
ss << std::setiosflags( std::ios::fixed ) << std::setprecision( 2 ) ;
if ( size < 1073741824 )
if ( size < KIBIBYTE )
{
ss << static_cast<double>( size / 1048567.0 ) ;
ss << sector_to_unit( size, UNIT_BYTE ) ;
return String::ucompose( _("%1 B"), ss .str() ) ;
}
else if ( size < MEBIBYTE )
{
ss << sector_to_unit( size, UNIT_KIB ) ;
return String::ucompose( _("%1 KiB"), ss .str() ) ;
}
else if ( size < GIBIBYTE )
{
ss << sector_to_unit( size, UNIT_MIB ) ;
return String::ucompose( _("%1 MiB"), ss .str() ) ;
}
else if ( size < TEBIBYTE )
{
ss << sector_to_unit( size, UNIT_GIB ) ;
return String::ucompose( _("%1 GiB"), ss .str() ) ;
}
else
{
ss << static_cast<double>( size / 1073741824.0 ) ;
return String::ucompose( _("%1 GiB"), ss .str() ) ;
ss << sector_to_unit( size, UNIT_TIB ) ;
return String::ucompose( _("%1 TiB"), ss .str() ) ;
}
}
double Utils::sector_to_unit( Sector sectors, SIZE_UNIT size_unit )
{
/* NOTE: this could have been done more efficient by using static numbers.
* However, the performancegain would be unnoticable and this way its easier to read/debug
*/
switch ( size_unit )
{
case UNIT_BYTE :
return sectors * 512 ;
case UNIT_KIB :
return sector_to_unit( sectors, UNIT_BYTE ) / 1024 ;
case UNIT_MIB :
return sector_to_unit( sectors, UNIT_KIB ) / 1024 ;
case UNIT_GIB :
return sector_to_unit( sectors, UNIT_MIB ) / 1024 ;
case UNIT_TIB :
return sector_to_unit( sectors, UNIT_GIB ) / 1024 ;
default:
return sectors ;
}
}

3
src/ext2.cc
View File

@ -113,7 +113,8 @@ bool ext2::Resize( const Partition & partition_new,
argv .push_back( partition_new .partition ) ;
if ( ! fill_partition )
argv .push_back( Utils::num_to_str( partition_new .Get_Length_MB() - cylinder_size, true ) + "M" ) ;
argv .push_back( Utils::num_to_str( Utils::Round( Utils::sector_to_unit(
partition_new .get_length(), GParted::UNIT_MIB ) ) - cylinder_size, true ) + "M" ) ;
if ( ! execute_command( argv, operation_details .back() .sub_details ) )
{

3
src/ext3.cc
View File

@ -114,7 +114,8 @@ bool ext3::Resize( const Partition & partition_new,
argv .push_back( partition_new .partition ) ;
if ( ! fill_partition )
argv .push_back( Utils::num_to_str( partition_new .Get_Length_MB() - cylinder_size, true ) + "M" ) ;
argv .push_back( Utils::num_to_str( Utils::Round( Utils::sector_to_unit(
partition_new .get_length(), GParted::UNIT_MIB ) ) - cylinder_size, true ) + "M" ) ;
if ( ! execute_command( argv, operation_details .back() .sub_details ) )
{

8
src/ntfs.cc
View File

@ -112,7 +112,10 @@ bool ntfs::Resize( const Partition & partition_new,
Glib::ustring str_temp = "echo y | ntfsresize -P --force " + partition_new .partition ;
if ( ! fill_partition )
str_temp += " -s " + Utils::num_to_str( partition_new .Get_Length_MB() - cylinder_size, true ) + "M" ;
{
str_temp += " -s " ;
str_temp += Utils::num_to_str( Utils::Round( Utils::sector_to_unit( partition_new .get_length(), GParted::UNIT_BYTE ) ), true ) ;
}
//simulation..
operation_details .back() .sub_details .push_back( OperationDetails( _("run simulation") ) ) ;
@ -129,8 +132,7 @@ bool ntfs::Resize( const Partition & partition_new,
operation_details .back() .sub_details .push_back(
OperationDetails( operation_details .back() .description ) ) ;
argv .erase( argv .end() ) ;
argv .push_back( str_temp ) ;
argv .back() = str_temp ;
if ( ! execute_command( argv, operation_details .back() .sub_details .back() .sub_details ) )
{
operation_details .back() .sub_details .back() .status = OperationDetails::SUCCES ;

20
src/reiserfs.cc
View File

@ -107,7 +107,7 @@ bool reiserfs::Create( const Partition & new_partition, std::vector<OperationDet
bool reiserfs::Resize( const Partition & partition_new,
std::vector<OperationDetails> & operation_details,
bool fill_partition )
{//FIXME implement use of execute_command() for improved feedback
{
if ( fill_partition )
operation_details .push_back( OperationDetails( _("grow filesystem to fill the partition") ) ) ;
else
@ -116,9 +116,23 @@ bool reiserfs::Resize( const Partition & partition_new,
Glib::ustring str_temp = "echo y | resize_reiserfs " + partition_new .partition ;
if ( ! fill_partition )
str_temp += " -s " + Utils::num_to_str( partition_new .Get_Length_MB( ) - cylinder_size, true ) + "M" ;
{
/* FIXME:i need to find a better solution for this 'cylinder problem'
* till then we do it the 'dirty way'
* (this only matters while shrinking a filesystem, so maybe we should solve this
* in the resizedialog...)
*/
long bytes = Utils::Round( Utils::sector_to_unit( cylinder_size * MEBIBYTE, GParted::UNIT_BYTE ) ) ;
if ( ! Execute_Command( str_temp ) )
str_temp += " -s " ;
str_temp += Utils::num_to_str( Utils::Round( Utils::sector_to_unit( partition_new .get_length(), GParted::UNIT_BYTE ) ) - bytes, true ) ;
}
argv .clear() ;
argv .push_back( "sh" ) ;
argv .push_back( "-c" ) ;
argv .push_back( str_temp ) ;
if ( ! execute_command( argv, operation_details .back() .sub_details ) )
{
operation_details .back() .status = OperationDetails::SUCCES ;
return true ;