*
* T darray_pop(darray(T) arr | darray_size(arr) != 0);
* T* darray_pop_check(darray(T*) arr);
+ * void darray_remove(darray(T) arr, size_t index);
*
* Replacement:
*
* darray_foreach(T *&i, darray(T) arr) {...}
* darray_foreach_reverse(T *&i, darray(T) arr) {...}
*
- * Except for darray_foreach and darray_foreach_reverse,
+ * Except for darray_foreach, darray_foreach_reverse, and darray_remove,
* all macros evaluate their non-darray arguments only once.
*/
/* Warning: Do not call darray_pop on an empty darray. */
#define darray_pop(arr) ((arr).item[--(arr).size])
#define darray_pop_check(arr) ((arr).size ? darray_pop(arr) : NULL)
+/* Warning, slow: Requires copying all elements after removed item. */
+#define darray_remove(arr, index) do { \
+ if (index < arr.size-1) \
+ memmove(&(arr).item[index], &(arr).item[index+1], ((arr).size-1-i)*sizeof(*(arr).item)); \
+ (arr).size--; \
+ } while(0)
/*** Replacement ***/