#define darray_from_items(arr, items, count) do { \
unsigned __count = (count); \
darray_resize(arr, __count); \
- memcpy((arr).item, items, __count * sizeof(*(arr).item)); \
+ if (__count != 0) \
+ memcpy((arr).item, items, __count * sizeof(*(arr).item)); \
} while (0)
#define darray_copy(arr_to, arr_from) \
#define darray_concat(arr_to, arr_from) \
darray_append_items((arr_to), (arr_from).item, (arr_from).size)
+/*** Removal ***/
+
+/* Warning: Do not call darray_remove_last on an empty darray. */
+#define darray_remove_last(arr) (--(arr).size)
+
/*** String buffer ***/
#define darray_append_string(arr, str) do { \
(idx) < (arr).size; \
(idx)++, (val)++)
+#define darray_foreach_reverse(i, arr) \
+ for ((i) = &(arr).item[(arr).size - 1]; (arr).size > 0 && (i) >= &(arr).item[0]; (i)--)
+
#endif /* CCAN_DARRAY_H */