along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: rbl.h,v 1.1.2.2 2000/11/18 18:14:57 guus Exp $
+ $Id: rbl.h,v 1.1.2.8 2000/11/24 23:13:00 guus Exp $
*/
-typedef int (*rbl_compare_t) (const void *, const void *);
-typedef void (*rbl_delete_t) (const void *);
+#ifndef __RBL_H__
+#define __RBL_H__
+
+#define RBL_FOREACH(tree,rbl) for(rbl = tree->head; rbl; rbl = rbl->next)
typedef struct rbl_t
{
int color;
- rbl_t *parent;
- rbl_t *left;
- rbl_t *right;
+ struct rbl_t *parent;
+ struct rbl_t *left;
+ struct rbl_t *right;
/* 'linked list' part */
- rbl_t *prev;
- rbl_t *next;
+ struct rbl_t *prev;
+ struct rbl_t *next;
/* payload */
} rbl_t;
+typedef int (*rbl_compare_t) (const void *, const void *);
+typedef void (*rbl_action_t) (const void *);
+typedef void (*rbl_action_rbl_t) (const struct rbl_t *);
+
typedef struct rbltree_t
{
- rbl_compare_t *compare;
- rbl_delete_t *delete;
+ /* callback functions */
+
+ rbl_compare_t compare;
+ rbl_action_t delete;
+
+ /* tree part */
+
+ struct rbl_t *top;
+
+ /* linked list */
+
struct rbl_t *head;
+ struct rbl_t *tail;
+
} rbltree_t;
-enum
+enum color
{
- RBL_RED;
- RBL_BLACK;
-};
+ RBL_RED,
+ RBL_BLACK
+} color;
-extern rbl_t *new_rbltree(rbl_compare_t *, rbl_delete_t *);
+extern rbltree_t *new_rbltree(rbl_compare_t, rbl_action_t);
extern void free_rbltree(rbltree_t *);
extern rbl_t *new_rbl(void);
extern void free_rbl(rbl_t *);
-extern rbl_t *rbl_search(rbltree_t *, void *);
-extern rbl_t *rbl_search_closest(rbltree_t *, void *);
+extern void *rbl_search(rbltree_t *, void *);
+extern void *rbl_search_closest(rbltree_t *, void *);
+extern void *rbl_search_closest_greater(rbltree_t *, void *);
+extern void *rbl_search_closest_smaller(rbltree_t *, void *);
+extern rbl_t *rbl_search_rbl(rbltree_t *, void *);
+extern rbl_t *rbl_search_closest_rbl(rbltree_t *, void *);
+extern rbl_t *rbl_search_closest_greater_rbl(rbltree_t *, void *);
+extern rbl_t *rbl_search_closest_smaller_rbl(rbltree_t *, void *);
extern rbl_t *rbl_insert(rbltree_t *, void *);
extern rbl_t *rbl_unlink(rbltree_t *, void *);
-extern rbl_t *rbl_delete(rbltree_t *, void *);
+extern void rbl_delete(rbltree_t *, void *);
extern rbl_t *rbl_insert_rbl(rbltree_t *, rbl_t *);
-extern rbl_t *rbl_unlink_rbl(rbltree_t *, rbl_t *);
-extern rbl_t *rbl_delete_rbl(rbltree_t *, rbl_t *);
+extern rbl_t *rbl_unlink_rbl(rbl_t *);
+extern void rbl_delete_rbl(rbl_t *);
+extern void rbl_unlink_rbltree(rbltree_t *);
+extern void rbl_delete_rbltree(rbltree_t *);
+
+extern void rbl_foreach(rbltree_t *, rbl_action_t);
+extern void rbl_foreach_rbl(rbltree_t *, rbl_action_rbl_t);
+
+#endif /* __RBL_H__ */