* splay-tree.h (splay_tree_predecessor): Declare.

[pf3gnuchains/gcc-fork.git] / include / splay-tree.h

diff --git a/include/splay-tree.h b/include/splay-tree.h
index 307cf05..f53f855 100644 (file)
--- a/include/splay-tree.h
+++ b/include/splay-tree.h
@@ -1,5 +1,5 @@
 /* A splay-tree datatype.  
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000 Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
 This file is part of GNU CC.
@@ -44,7 +44,7 @@ typedef unsigned long int splay_tree_key;
 typedef unsigned long int splay_tree_value;
 
 /* Forward declaration for a node in the tree.  */
-typedef struct splay_tree_node *splay_tree_node;
+typedef struct splay_tree_node_s *splay_tree_node;
 
 /* The type of a function which compares two splay-tree keys.  The
    function should return values as for qsort.  */
@@ -62,7 +62,7 @@ typedef void (*splay_tree_delete_value_fn) PARAMS((splay_tree_value));
 typedef int (*splay_tree_foreach_fn) PARAMS((splay_tree_node, void*));
 
 /* The nodes in the splay tree.  */
-struct splay_tree_node
+struct splay_tree_node_s
 {
   /* The key.  */
   splay_tree_key key;
@@ -76,7 +76,7 @@ struct splay_tree_node
 };
 
 /* The splay tree itself.  */
-typedef struct splay_tree
+typedef struct splay_tree_s
 {
   /* The root of the tree.  */
   splay_tree_node root;
@@ -99,9 +99,17 @@ extern splay_tree_node splay_tree_insert
                                        PARAMS((splay_tree,
                                                splay_tree_key,
                                                splay_tree_value));
+extern void splay_tree_remove          PARAMS((splay_tree,
+                                               splay_tree_key));
 extern splay_tree_node splay_tree_lookup   
                                         PARAMS((splay_tree,
                                                splay_tree_key));
+extern splay_tree_node splay_tree_predecessor
+                                        PARAMS((splay_tree,
+                                               splay_tree_key));
+extern splay_tree_node splay_tree_successor
+                                        PARAMS((splay_tree,
+                                               splay_tree_key));
 extern int splay_tree_foreach           PARAMS((splay_tree,
                                                splay_tree_foreach_fn,
                                                void*));