Function array_ensure_cap

src/util/arr.h:97–104

#define array_newlen(T, len) (T *)(array_new_sz(sizeof(T), len, len))

static inline array_t array_ensure_cap(array_t arr, uint32_t cap) {
	array_hdr_t *hdr = array_hdr(arr);
	if(cap > hdr->cap) {
		hdr->cap = MAX(hdr->cap * 2, cap);
		hdr = (array_hdr_t *)array_realloc_fn(hdr, array_sizeof(hdr));
	}
	return (array_t)hdr->buf;
}

// Reallocates the array setting the new capacity. If there were more
// elements, those are deleted (cut off), if less, then there will be