Useful to walk the array removing elements by swapping them with the
last element.
v2: Change iteration to make sure we never underflow. (Jason)
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
for (type *elem = (type *)(buf)->data; \
elem < (type *)((char *)(buf)->data + (buf)->size); elem++)
+#define util_dynarray_foreach_reverse(buf, type, elem) \
+ if ((buf)->size > 0) \
+ for (type *elem = util_dynarray_top_ptr(buf, type); \
+ elem; \
+ elem = elem > (type *)(buf)->data ? elem - 1 : NULL)
+
#define util_dynarray_delete_unordered(buf, type, v) \
do { \
unsigned num_elements = (buf)->size / sizeof(type); \