{
unsigned x, i;
- if (MDB_IDL_IS_RANGE( ids )) {
- /* if already in range, treat as a dup */
- if (id >= MDB_IDL_RANGE_FIRST(ids) && id <= MDB_IDL_RANGE_LAST(ids))
- return -1;
- if (id < MDB_IDL_RANGE_FIRST(ids))
- ids[1] = id;
- else if (id > MDB_IDL_RANGE_LAST(ids))
- ids[2] = id;
- return 0;
- }
-
x = mdb_midl_search( ids, id );
assert( x > 0 );
}
if ( ++ids[0] >= MDB_IDL_DB_MAX ) {
- if( id < ids[1] ) {
- ids[1] = id;
- ids[2] = ids[ids[0]-1];
- } else if ( ids[ids[0]-1] < id ) {
- ids[2] = id;
- } else {
- ids[2] = ids[ids[0]-1];
- }
- ids[0] = MDB_NOID;
+ /* no room */
+ --ids[0];
+ return -2;
} else {
/* insert id */
*/
typedef MDB_ID *MDB_IDL;
-#define MDB_NOID (~(MDB_ID)0)
-
/* IDL sizes - likely should be even bigger
* limiting factors: sizeof(ID), thread stack size
*/
#define MDB_IDL_LOGN 16 /* DB_SIZE is 2^16, UM_SIZE is 2^17 */
#define MDB_IDL_DB_SIZE (1<<MDB_IDL_LOGN)
#define MDB_IDL_UM_SIZE (1<<(MDB_IDL_LOGN+1))
-#define MDB_IDL_UM_SIZEOF (MDB_IDL_UM_SIZE * sizeof(MDB_ID))
#define MDB_IDL_DB_MAX (MDB_IDL_DB_SIZE-1)
-
#define MDB_IDL_UM_MAX (MDB_IDL_UM_SIZE-1)
-#define MDB_IDL_IS_RANGE(ids) ((ids)[0] == MDB_NOID)
-#define MDB_IDL_RANGE_SIZE (3)
-#define MDB_IDL_RANGE_SIZEOF (MDB_IDL_RANGE_SIZE * sizeof(MDB_ID))
-#define MDB_IDL_SIZEOF(ids) ((MDB_IDL_IS_RANGE(ids) \
- ? MDB_IDL_RANGE_SIZE : ((ids)[0]+1)) * sizeof(MDB_ID))
-
-#define MDB_IDL_RANGE_FIRST(ids) ((ids)[1])
-#define MDB_IDL_RANGE_LAST(ids) ((ids)[2])
-
-#define MDB_IDL_RANGE( ids, f, l ) \
- do { \
- (ids)[0] = MDB_NOID; \
- (ids)[1] = (f); \
- (ids)[2] = (l); \
- } while(0)
-
-#define MDB_IDL_ZERO(ids) \
- do { \
- (ids)[0] = 0; \
- (ids)[1] = 0; \
- (ids)[2] = 0; \
- } while(0)
-
+#define MDB_IDL_SIZEOF(ids) (((ids)[0]+1) * sizeof(MDB_ID))
#define MDB_IDL_IS_ZERO(ids) ( (ids)[0] == 0 )
-#define MDB_IDL_IS_ALL( range, ids ) ( (ids)[0] == MDB_NOID \
- && (ids)[1] <= (range)[1] && (range)[2] <= (ids)[2] )
-
#define MDB_IDL_CPY( dst, src ) (memcpy( dst, src, MDB_IDL_SIZEOF( src ) ))
-
-#define MDB_IDL_ID( bdb, ids, id ) MDB_IDL_RANGE( ids, id, ((bdb)->bi_lastid) )
-#define MDB_IDL_ALL( bdb, ids ) MDB_IDL_RANGE( ids, 1, ((bdb)->bi_lastid) )
-
#define MDB_IDL_FIRST( ids ) ( (ids)[1] )
-#define MDB_IDL_LAST( ids ) ( MDB_IDL_IS_RANGE(ids) \
- ? (ids)[2] : (ids)[(ids)[0]] )
-
-#define MDB_IDL_N( ids ) ( MDB_IDL_IS_RANGE(ids) \
- ? ((ids)[2]-(ids)[1])+1 : (ids)[0] )
+#define MDB_IDL_LAST( ids ) ( (ids)[(ids)[0]] )
#if 0 /* superseded by append/sort */
/** Insert an ID into an IDL.
* @param[in,out] ids The IDL to insert into.
* @param[in] id The ID to insert.
- * @return 0 on success, -1 if the ID was already present in the IDL.
+ * @return 0 on success, -1 if ID was already present, -2 on error.
*/
int mdb_midl_insert( MDB_IDL ids, MDB_ID id );
#endif