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fix bug: avoid dereferencing content of an already free(3)'ed chunk

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This commit is contained in:
Ralf S. Engelschall 2007-02-04 20:04:29 +00:00
parent 586386f70c
commit f615552554
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=166501
1 changed files with 3 additions and 1 deletions
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4
usr.bin/ctags/tree.c
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@ -126,10 +126,12 @@ add_node(NODE *node, NODE *cur_node)
static void static void
free_tree(NODE *node) free_tree(NODE *node)
{ {
NODE *node_next;
while (node) { while (node) {
if (node->right) if (node->right)
free_tree(node->right); free_tree(node->right);
node_next = node->left;
free(node); free(node);
node = node->left; node = node_next;
} }
} }