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check NULL pointer

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c9s 2014-05-20 15:14:12 +08:00
parent af3cdbbff4
commit fd4e89c2f4
1 changed files with 1 additions and 1 deletions
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2
src/node.c
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@ -83,7 +83,7 @@ edge * r3_node_add_child(node * n, char * pat , node *child) {
void r3_node_append_edge(node *n, edge *e) {
if (!n->edges) {
if (n->edges == NULL) {
n->edge_cap = 3;
n->edges = malloc(sizeof(edge) * n->edge_cap);
}