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Fix invalid access (#57)

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Fix invalid access in forward_list
This commit is contained in:
Bailey Thompson
2019-07-10 20:49:19 -04:00
committed by GitHub
parent ee0bc1eca9
commit 5f3fae4b40
1 changed files with 3 additions and 3 deletions
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6
src/forward_list.c
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@@ -253,11 +253,11 @@ int forward_list_remove_at(forward_list me, const int index)
struct node *const traverse = forward_list_get_node_at(me, index - 1); struct node *const traverse = forward_list_get_node_at(me, index - 1);
struct node *const backup = traverse->next; struct node *const backup = traverse->next;
traverse->next = traverse->next->next; traverse->next = traverse->next->next;
free(backup->data); if (!traverse->next) {
free(backup);
if (!backup->next) {
me->tail = NULL; me->tail = NULL;
} }
free(backup->data);
free(backup);
} }
me->item_count--; me->item_count--;
return 0; return 0;