diff options
Diffstat (limited to 'libparted/disk.c')
| -rw-r--r-- | libparted/disk.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libparted/disk.c b/libparted/disk.c index a961d65..0ed3d91 100644 --- a/libparted/disk.c +++ b/libparted/disk.c @@ -886,6 +886,37 @@ ped_disk_flag_next(PedDiskFlag flag) return (flag + 1) % (PED_DISK_LAST_FLAG + 1); } +static int +_assert_disk_uuid_feature (const PedDiskType* disk_type) +{ + if (!ped_disk_type_check_feature ( + disk_type, PED_DISK_TYPE_DISK_UUID)) { + ped_exception_throw ( + PED_EXCEPTION_ERROR, + PED_EXCEPTION_CANCEL, + "%s disk labels do not support disk uuids.", + disk_type->name); + return 0; + } + return 1; +} + +/** + * Get the uuid of the disk \p disk. This will only work if the disk label + * supports it. + */ +uint8_t* +ped_disk_get_uuid (const PedDisk *disk) +{ + PED_ASSERT (disk != NULL); + + if (!_assert_disk_uuid_feature (disk->type)) + return NULL; + + PED_ASSERT (disk->type->ops->disk_get_uuid != NULL); + return disk->type->ops->disk_get_uuid (disk); +} + /** * \internal We turned a really nasty bureaucracy problem into an elegant maths * problem :-) Basically, there are some constraints to a partition's @@ -1488,6 +1519,21 @@ _assert_partition_type_uuid_feature (const PedDiskType* disk_type) return 1; } +static int +_assert_partition_uuid_feature (const PedDiskType* disk_type) +{ + if (!ped_disk_type_check_feature ( + disk_type, PED_DISK_TYPE_PARTITION_UUID)) { + ped_exception_throw ( + PED_EXCEPTION_ERROR, + PED_EXCEPTION_CANCEL, + "%s disk labels do not support partition uuids.", + disk_type->name); + return 0; + } + return 1; +} + /** * Sets the name of a partition. * @@ -1612,6 +1658,24 @@ ped_partition_get_type_uuid (const PedPartition *part) return part->disk->type->ops->partition_get_type_uuid (part); } +/** + * Get the uuid of the partition \p part. This will only work if the disk label + * supports it. + */ +uint8_t* +ped_partition_get_uuid (const PedPartition *part) +{ + PED_ASSERT (part != NULL); + PED_ASSERT (part->disk != NULL); + PED_ASSERT (ped_partition_is_active (part)); + + if (!_assert_partition_uuid_feature (part->disk->type)) + return NULL; + + PED_ASSERT (part->disk->type->ops->partition_get_uuid != NULL); + return part->disk->type->ops->partition_get_uuid (part); +} + /** @} */ /** |