thodg/got/lib/got_lib_object_idcache.h

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  Commit

• Author : Stefan Sperling
  Date : 2018-07-08 18:06:36
  Hash : eb77ee11
  Message : add an object id cache which backs the object cache

• lib/got_lib_object_idcache.h

• /*
   * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  struct got_object_idcache;
  
  struct got_object_idcache *got_object_idcache_alloc(int);
  void got_object_idcache_free(struct got_object_idcache *);
  
  const struct got_error *got_object_idcache_add(struct got_object_idcache *,
      struct got_object_id *, void *);
  void *got_object_idcache_get(struct got_object_idcache *, struct got_object_id *);
  const struct got_error *got_object_idcache_remove_least_used(void **,
      struct got_object_idcache *);
  int got_object_idcache_contains(struct got_object_idcache *,
      struct got_object_id *);
  void got_object_idcache_for_each(struct got_object_idcache *,
      void (*cb)(struct got_object_id *, void *, void *), void *);
  int got_object_idcache_num_elements(struct got_object_idcache *);