memmove((arr).item+1, (arr).item, ((arr).size-1)*sizeof(*(arr).item)); \
(arr).item[0] = (__VA_ARGS__); \
} while(0)
-#define darray_insert(arr, index, ...) do { \
- size_t index_ = index; \
+#define darray_insert(arr, i, ...) do { \
+ size_t index_ = (i); \
darray_resize(arr, (arr).size+1); \
memmove((arr).item+index_+1, (arr).item+index_, ((arr).size-index_-1)*sizeof(*(arr).item)); \
(arr).item[index_] = (__VA_ARGS__); \
#define darray_append_items(arr, items, count) do { \
size_t count_ = (count), oldSize_ = (arr).size; \
- darray_resize(arr, oldSize_ + count_); \
- memcpy((arr).item + oldSize_, items, count_ * sizeof(*(arr).item)); \
+ /* Don't memcpy NULL! */ \
+ if (count_) { \
+ darray_resize(arr, oldSize_ + count_); \
+ memcpy((arr).item + oldSize_, items, count_ * sizeof(*(arr).item)); \
+ } \
} while(0)
#define darray_prepend_items(arr, items, count) do { \
size_t count_ = (count), oldSize_ = (arr).size; \
darray_resize(arr, count_ + oldSize_); \
- memmove((arr).item + count_, (arr).item, oldSize_ * sizeof(*(arr).item)); \
- memcpy((arr).item, items, count_ * sizeof(*(arr).item)); \
+ /* Don't memcpy NULL! */ \
+ if (count_) { \
+ memmove((arr).item + count_, (arr).item, oldSize_ * sizeof(*(arr).item)); \
+ memcpy((arr).item, items, count_ * sizeof(*(arr).item)); \
+ } \
} while(0)
#define darray_append_items_nullterminate(arr, items, count) do { \
#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)); \
+#define darray_remove(arr, i) do { \
+ size_t index_ = (i); \
+ if (index_ < arr.size-1) \
+ memmove(&(arr).item[index_], &(arr).item[index_+1], ((arr).size-1-index_)*sizeof(*(arr).item)); \
(arr).size--; \
} while(0)