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Guarding against freeing NULL pointers.

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This commit is contained in:
Omer Katz 2014-05-21 12:46:56 +03:00
parent 3ea9354e0b
commit 61b3b24e2e
1 changed files with 26 additions and 20 deletions
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46
src/node.c
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@ -65,25 +65,27 @@ node * r3_tree_create(int cap) {
}
void r3_tree_free(node * tree) {
for (int i = 0 ; i < tree->edge_len ; i++ ) {
if (tree->edges[i]) {
r3_edge_free(tree->edges[ i ]);
if (tree) {
for (int i = 0 ; i < tree->edge_len ; i++ ) {
if (tree->edges[i]) {
r3_edge_free(tree->edges[ i ]);
}
}
if (tree->edges)
zfree(tree->edges);
if (tree->routes)
zfree(tree->routes);
if (tree->combined_pattern)
zfree(tree->combined_pattern);
if (tree->pcre_pattern)
zfree(tree->pcre_pattern);
if (tree->pcre_extra)
zfree(tree->pcre_extra);
if (tree->ov)
zfree(tree->ov);
zfree(tree);
tree = NULL;
}
if (tree->edges)
zfree(tree->edges);
if (tree->routes)
zfree(tree->routes);
if (tree->combined_pattern)
zfree(tree->combined_pattern);
if (tree->pcre_pattern)
zfree(tree->pcre_pattern);
if (tree->pcre_extra)
zfree(tree->pcre_extra);
if (tree->ov)
zfree(tree->ov);
zfree(tree);
tree = NULL;
}
@ -237,8 +239,10 @@ match_entry * match_entry_createl(char * path, int path_len) {
}
void match_entry_free(match_entry * entry) {
str_array_free(entry->vars);
zfree(entry);
if (entry) {
str_array_free(entry->vars);
zfree(entry);
}
}
@ -385,7 +389,9 @@ route * r3_route_create(char * path) {
}
void r3_route_free(route * route) {
zfree(route);
if (route) {
zfree(route);
}
}
route * r3_route_createl(char * path, int path_len) {