4 int array_alias_helper(const void *a, const void *b) {
9 //grows the allocated size to accomodate the size
10 void array_resize_helper(array_char *a, size_t itemSize) {
11 a->alloc = (a->size+63)&~63;
12 #ifndef ARRAY_USE_TALLOC
13 a->item = realloc(a->item, a->alloc*itemSize);
15 a->item = talloc_realloc_size(NULL, a->item, a->alloc*itemSize +1);
19 void array_resize0_helper(array_char *a, size_t itemSize, size_t newSize) {
20 size_t oldSize = a->size;
22 if (newSize > oldSize) {
23 if (newSize > a->alloc)
24 array_resize_helper(a, itemSize);
25 memset(a->item + oldSize*itemSize, 0, (newSize-oldSize)*itemSize);
29 void array_insert_items_helper(array_char *a, size_t itemSize, size_t pos, const void *items, size_t count, size_t tailSize) {
30 size_t oldSize = a->size;
31 size_t newSize = (a->size += count+tailSize);
32 if (newSize > a->alloc)
33 array_resize_helper(a, itemSize);
35 char *target = a->item + pos*itemSize;
37 memmove(target+count, target, (oldSize-pos)*itemSize);
38 memcpy(target, items, count);