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Important bugfix in avl_insert_before() and avl_insert_after()

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This commit is contained in:
Wessel Dankers 2001-02-20 21:53:18 +00:00
parent 11f8465dd9
commit 0b0c2a372f
1 changed files with 7 additions and 1 deletions
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8
lib/avl_tree.c
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@ -29,7 +29,7 @@
library for inclusion into tinc (http://tinc.nl.linux.org/) by
Guus Sliepen <guus@sliepen.warande.net>.
$Id: avl_tree.c,v 1.1.2.5 2001/02/06 10:13:21 guus Exp $
$Id: avl_tree.c,v 1.1.2.6 2001/02/20 21:53:18 wsl Exp $
*/
#include <stdio.h>
@ -493,6 +493,9 @@ void avl_insert_before(avl_tree_t *tree, avl_node_t *before, avl_node_t *node)
node->parent = before;
node->prev = before->prev;
if(before->left)
return avl_insert_after(tree, before->prev, node);
if (before->prev)
before->prev->next = node;
else
@ -509,6 +512,9 @@ void avl_insert_after(avl_tree_t *tree, avl_node_t *after, avl_node_t *node)
if (!after)
return tree->head ? avl_insert_before(tree, tree->head, node) : avl_insert_top(tree, node);
if(after->right)
return avl_insert_before(tree, after->next, node);
node->prev = after;
node->parent = after;
node->next = after->next;