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authorTucker Evans <tucker@tuckerevans.com>2020-06-10 12:51:52 -0400
committerTucker Evans <tucker@tuckerevans.com>2020-06-10 12:51:52 -0400
commitce6d7f43e7ad77b3eec043ff731d17ab21e89e87 (patch)
treea1a2b25054c0b6f529c5cd7a3c8d93c54f9597a5
parentfb65c9cc91fe5bcf75e1519bd73d31242fbccb9d (diff)
Fix double ended queue index to use bounds check.
-rw-r--r--collections/double_ended_queue.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/collections/double_ended_queue.c b/collections/double_ended_queue.c
index f8f59e4..e737d28 100644
--- a/collections/double_ended_queue.c
+++ b/collections/double_ended_queue.c
@@ -107,15 +107,10 @@ int index;
{
void **tmp;
- if (!root || index > root->limit
- || (index >= root->end && index < root->beg))
- return NULL;
-
- index = (root->beg + index) % root->limit;
- if (index >= root->end)
+ if (!root || !DEQ_IN_BOUNDS(root,index))
return NULL;
- return root->base[index];
+ return root->base[(root->beg + index) % root->limit];
}
void deq_push_back(root, item)