hash.c

   1 #include <stdlib.h>
   2 #include "wayland.h"
   3
   4 int wl_hash_insert(struct wl_hash *hash, struct wl_object *object)
   5 {
   6         struct wl_object **objects;
   7         uint32_t alloc;
   8
   9         if (hash->count == hash->alloc) {
  10                 if (hash->alloc == 0)
  11                         alloc = 16;
  12                 else
  13                         alloc = hash->alloc * 2;
  14                 objects = realloc(hash->objects, alloc * sizeof *objects);
  15                 if (objects == NULL)
  16                         return -1;
  17
  18                 hash->objects = objects;
  19                 hash->alloc = alloc;
  20         }
  21
  22         hash->objects[hash->count] = object;
  23         hash->count++;
  24
  25         return 0;
  26 }
  27
  28 struct wl_object *
  29 wl_hash_lookup(struct wl_hash *hash, uint32_t id)
  30 {
  31         int i;
  32
  33         for (i = 0; i < hash->count; i++) {
  34                 if (hash->objects[i]->id == id)
  35                         return hash->objects[i];
  36         }
  37
  38         return NULL;
  39 }
  40
  41 void
  42 wl_hash_delete(struct wl_hash *hash, struct wl_object *object)
  43 {
  44         /* writeme */
  45 }