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Fix crash moving more than one logical partition right (#628863)

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This problem would occur when using align to MiB for the
destination partitions.

Closes bug #628863 - gparted crashes applying move to right of
                     more than one logical partition
This commit is contained in:
Curtis Gedak 2010-10-24 12:35:59 -06:00
parent 9b0b44ce32
commit 7c0e3fa778
1 changed files with 23 additions and 0 deletions
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23
src/Dialog_Partition_Resize_Move.cc
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@ -101,8 +101,31 @@ void Dialog_Partition_Resize_Move::Resize_Move_Normal( const std::vector<Partiti
START = selected_partition .sector_start ;
if ( t +1 < partitions .size() && partitions[t +1] .type == GParted::TYPE_UNALLOCATED )
{
next = partitions[t +1] .get_sector_length() ;
//If this is a logical partition and there is extra free space
// then check if we need to reserve 1 MiB of space after for
// the next logical partition Extended Boot Record.
if ( selected_partition .type == TYPE_LOGICAL
&& next >= (MEBIBYTE / selected_partition .sector_size)
)
{
//Find maximum sector_end (allocated or unallocated) within list of
// partitions inside the extended partition
Sector max_sector_end = 0 ;
for (unsigned int k = 0 ; k < partitions .size() ; k++ )
{
if ( partitions[ k ] .sector_end > max_sector_end )
max_sector_end = partitions[ k ] .sector_end ;
}
//If not within 1 MiB of the end of the extended partition, then reserve 1 MiB
if ( ( max_sector_end - partitions[t+1] .sector_end ) > ( MEBIBYTE / selected_partition .sector_size ) )
next -= MEBIBYTE / selected_partition .sector_size ;
}
}
//Only calculate MIN_SPACE_BEFORE_MB if we have a previous (unallocated) partition.
// Otherwise there will not be enough graphical space to reserve a full 1 MiB for MBR/EBR.
// Since this is an existing partition, if an MBR/EBR was needed then it already exists with enough space.