gistfile1.c

// amd64
typedef unsigned long size_t;
void *tor_realloc(void *, size_t);


typedef struct smartlist_t {
  /** @{ */
  /** <b>list</b> has enough capacity to store exactly <b>capacity</b> elements
   * before it needs to be resized.  Only the first <b>num_used</b> (\<=
   * capacity) elements point to valid data.
   */
  void **list;
  int num_used;
  int capacity;
  /** @} */
} smartlist_t;

void
smartlist_ensure_capacity(smartlist_t *sl, int size)
{
#define MAX_CAPACITY (0x7fffffff)
  if (size > sl->capacity) {
    int higher = sl->capacity;
    if ((size > MAX_CAPACITY/2)) {
      higher = MAX_CAPACITY;
    } else {
      while (size > higher)
        higher *= 2;
    }
    sl->capacity = higher;
    sl->list = tor_realloc(sl->list, sizeof(void*)*((size_t)sl->capacity));
  }
}