original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
12254 changed files with 7655111 additions and 0 deletions
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+/* avlLib.h - header file for AVL tree */
+
+/*
+ * Copyright (c) 1999-2001, 2003-2004, 2012 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute, modify or otherwise make use
+ * of this software may be licensed only pursuant to the terms
+ * of an applicable Wind River license agreement.
+ */
+
+/*
+modification history
+--------------------
+01d,01feb12,pcs  Update the copyright information.
+01c,03may04,rp   removed avlTreeErase
+01b,06apr04,rp   added avlInsertInform, avlRemoveInsert and avlTreeErase
+01a,08feb03,zl   moved out uint key version to avlUintLib, replaced 
+                 GENERIC_ARGUMENT with void *.
+01g,08aug03,zl   resolved avlLib aliasing problem.
+01f,24jan01,sn   end file with newline(!) to avoid cpp errors
+01e,10feb00,abd  added avlMinimumGet and avlMaximumGet
+01d,10feb00,abd  added avlTreeWalk, avlTreePrint, avlTreeErase, avlTreePrintErase
+01c,03feb00,abd  added avlInsertInform, avlRemoveInsert
+01b,24jan00,abd  added avlSuccessorGet and avlPredecessorGet
+01a,08feb99,wkn  created.
+*/
+
+#ifndef __INCavlLibh
+#define __INCavlLibh
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _ASMLANGUAGE
+
+/* typedefs */
+
+typedef struct avl_node
+    {
+    struct avl_node *  left;	/* pointer to the left subtree */
+    struct avl_node *  right;	/* pointer to the right subtree */
+    int    height; 		/* height of the subtree rooted at this node */
+    } AVL_NODE;
+
+typedef AVL_NODE * AVL_TREE;	/* points to the root node of the tree */
+
+typedef STATUS (*AVL_COMPARE)(AVL_NODE *pNode, void * pKey);
+
+/* callback routines for avlUintTreeWalk */
+
+typedef STATUS (*AVL_CALLBACK)(AVL_NODE *pNode, void * pArg);
+
+/* function declarations */
+
+STATUS     avlInsert (AVL_TREE * pRoot, AVL_NODE * pNode, void * pKey, 
+		      AVL_COMPARE cmpRtn);
+AVL_NODE * avlDelete (AVL_TREE * pRoot, void * pKey, AVL_COMPARE cmpRtn);
+AVL_NODE * avlSearch (AVL_TREE root, void * pKey, AVL_COMPARE cmpRtn);
+AVL_NODE * avlSuccessorGet (AVL_TREE root, void * pKey, AVL_COMPARE cmpRtn);
+AVL_NODE * avlPredecessorGet (AVL_TREE root, void * pKey, AVL_COMPARE cmpRtn);
+AVL_NODE * avlMinimumGet (AVL_TREE root);
+AVL_NODE * avlMaximumGet (AVL_TREE root);
+STATUS     avlTreeWalk (AVL_TREE pRoot, AVL_CALLBACK preRtn, void * preArg,
+			AVL_CALLBACK inRtn, void * inArg,
+			AVL_CALLBACK postRtn, void * postArg);
+STATUS     avlInsertInform (AVL_TREE * pRoot, void * pNewNode, void * key,
+                            void ** ppKeyHolder, AVL_COMPARE cmpRtn);
+void *     avlRemoveInsert (AVL_TREE * pRoot, void * pNewNode, void * key,
+                            AVL_COMPARE cmpRtn);
+
+#endif /* _ASMLANGUAGE */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCavlLibh */