along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <inttypes.h>
+#include "sparse-endian.h"
+
+#include <systemd/sd-id128.h>
#include "macro.h"
-#include "sd-id128.h"
typedef struct Header Header;
typedef struct ObjectHeader ObjectHeader;
_OBJECT_TYPE_MAX
};
+/* Object flags */
+enum {
+ OBJECT_COMPRESSED = 1
+};
+
_packed_ struct ObjectHeader {
uint8_t type;
- uint8_t reserved[7];
- uint64_t size;
+ uint8_t flags;
+ uint8_t reserved[6];
+ le64_t size;
uint8_t payload[];
};
_packed_ struct DataObject {
ObjectHeader object;
- uint64_t hash;
- uint64_t next_hash_offset;
- uint64_t next_field_offset;
- uint64_t entry_offset; /* the first array entry we store inline */
- uint64_t entry_array_offset;
- uint64_t n_entries;
+ le64_t hash;
+ le64_t next_hash_offset;
+ le64_t next_field_offset;
+ le64_t entry_offset; /* the first array entry we store inline */
+ le64_t entry_array_offset;
+ le64_t n_entries;
uint8_t payload[];
};
_packed_ struct FieldObject {
ObjectHeader object;
- uint64_t hash;
- uint64_t next_hash_offset;
- uint64_t head_data_offset;
- uint64_t tail_data_offset;
+ le64_t hash;
+ le64_t next_hash_offset;
+ le64_t head_data_offset;
+ le64_t tail_data_offset;
uint8_t payload[];
};
_packed_ struct EntryItem {
- uint64_t object_offset;
- uint64_t hash;
+ le64_t object_offset;
+ le64_t hash;
};
_packed_ struct EntryObject {
ObjectHeader object;
- uint64_t seqnum;
- uint64_t realtime;
- uint64_t monotonic;
+ le64_t seqnum;
+ le64_t realtime;
+ le64_t monotonic;
sd_id128_t boot_id;
- uint64_t xor_hash;
+ le64_t xor_hash;
EntryItem items[];
};
_packed_ struct HashItem {
- uint64_t head_hash_offset;
- uint64_t tail_hash_offset;
+ le64_t head_hash_offset;
+ le64_t tail_hash_offset;
};
_packed_ struct HashTableObject {
_packed_ struct EntryArrayObject {
ObjectHeader object;
- uint64_t next_entry_array_offset;
- uint64_t items[];
+ le64_t next_entry_array_offset;
+ le64_t items[];
};
union Object {
STATE_ARCHIVED
};
+/* Header flags */
+enum {
+ HEADER_INCOMPATIBLE_COMPRESSED = 1
+};
+
_packed_ struct Header {
uint8_t signature[8]; /* "LPKSHHRH" */
uint32_t compatible_flags;
sd_id128_t machine_id;
sd_id128_t boot_id;
sd_id128_t seqnum_id;
- uint64_t arena_offset;
- uint64_t arena_size;
- uint64_t arena_max_size; /* obsolete */
- uint64_t arena_min_size; /* obsolete */
- uint64_t arena_keep_free; /* obsolete */
- uint64_t data_hash_table_offset; /* for looking up data objects */
- uint64_t data_hash_table_size;
- uint64_t field_hash_table_offset; /* for looking up field objects */
- uint64_t field_hash_table_size;
- uint64_t tail_object_offset;
- uint64_t n_objects;
- uint64_t n_entries;
- uint64_t seqnum;
- uint64_t first_seqnum;
- uint64_t entry_array_offset;
- uint64_t head_entry_realtime;
- uint64_t tail_entry_realtime;
- uint64_t tail_entry_monotonic;
+ le64_t arena_offset;
+ le64_t arena_size;
+ le64_t data_hash_table_offset; /* for looking up data objects */
+ le64_t data_hash_table_size;
+ le64_t field_hash_table_offset; /* for looking up field objects */
+ le64_t field_hash_table_size;
+ le64_t tail_object_offset;
+ le64_t n_objects;
+ le64_t n_entries;
+ le64_t seqnum;
+ le64_t first_seqnum;
+ le64_t entry_array_offset;
+ le64_t head_entry_realtime;
+ le64_t tail_entry_realtime;
+ le64_t tail_entry_monotonic;
};
#endif