* libparted/labels/dos.c (write_ext_table): Do not discard bootcode from extended partition on msdos label when some of the logical partitions are changed
Signed-off-by: Petr Uzel <[email protected]> --- libparted/labels/dos.c | 15 +++++++++++---- 1 files changed, 11 insertions(+), 4 deletions(-) diff --git a/libparted/labels/dos.c b/libparted/labels/dos.c index 1d4c2dd..7b0c6d6 100644 --- a/libparted/labels/dos.c +++ b/libparted/labels/dos.c @@ -1027,7 +1027,8 @@ write_ext_table (const PedDisk* disk, PedSector sector, const PedPartition* logical) { PedPartition* part; - PedSector lba_offset; + PedSector lba_offset; + void* s; PED_ASSERT (disk != NULL, return 0); PED_ASSERT (ped_disk_extended_partition (disk) != NULL, return 0); @@ -1035,10 +1036,11 @@ write_ext_table (const PedDisk* disk, lba_offset = ped_disk_extended_partition (disk)->geom.start; - void *s = ped_calloc (disk->dev->sector_size); - if (s == NULL) + if (!ptt_read_sector (disk->dev, sector, &s)) return 0; + DosRawTable *table = s; + memset(&(table->partitions), 0, 4 * sizeof(DosRawPartition)); table->magic = PED_CPU_TO_LE16 (MSDOS_MAGIC); int ok = 0; @@ -1073,10 +1075,15 @@ static int write_empty_table (const PedDisk* disk, PedSector sector) { DosRawTable table; + void* table_sector; PED_ASSERT (disk != NULL, return 0); - memset (&table, 0, sizeof (DosRawTable)); + if (ptt_read_sector (disk->dev, sector, &table_sector)) { + memcpy (&table, table_sector, sizeof(DosRawTable)); + free(table_sector); + } + memset (&(table.partitions), 0, 4 * sizeof(DosRawPartition)); table.magic = PED_CPU_TO_LE16 (MSDOS_MAGIC); return ped_device_write (disk->dev, (void*) &table, sector, 1); -- 1.6.3.3 -- Best regards / s pozdravem Petr Uzel, openSUSE Community Multiplier Team ----------------------------------------------------------------- SUSE LINUX, s.r.o. e-mail: [email protected] Lihovarská 1060/12 http://www.suse.cz 190 00 Prague 9, CR
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