RetroZilla/security/nss/lib/base/hashops.c

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * hashops.c
 *
 * This file includes a set of PLHashAllocOps that use NSSArenas.
 */

#ifndef BASE_H
#include "base.h"
#endif /* BASE_H */

static void * PR_CALLBACK
nss_arena_hash_alloc_table
(
  void *pool,
  PRSize size
)
{
  NSSArena *arena = (NSSArena *)NULL;

#ifdef NSSDEBUG
  if( (void *)NULL != arena ) {
    if( PR_SUCCESS != nssArena_verifyPointer(arena) ) {
      return (void *)NULL;
    }
  }
#endif /* NSSDEBUG */

  return nss_ZAlloc(arena, size);
}

static void PR_CALLBACK
nss_arena_hash_free_table
(
  void *pool, 
  void *item
)
{
  (void)nss_ZFreeIf(item);
}

static PLHashEntry * PR_CALLBACK
nss_arena_hash_alloc_entry
(
  void *pool,
  const void *key
)
{
  NSSArena *arena = NULL;

#ifdef NSSDEBUG
  if( (void *)NULL != arena ) {
    if( PR_SUCCESS != nssArena_verifyPointer(arena) ) {
      return (void *)NULL;
    }
  }
#endif /* NSSDEBUG */

  return nss_ZNEW(arena, PLHashEntry);
}

static void PR_CALLBACK
nss_arena_hash_free_entry
(
  void *pool,
  PLHashEntry *he,
  PRUintn flag
)
{
  if( HT_FREE_ENTRY == flag ) {
    (void)nss_ZFreeIf(he);
  }
}

NSS_IMPLEMENT_DATA PLHashAllocOps 
nssArenaHashAllocOps = {
  nss_arena_hash_alloc_table,
  nss_arena_hash_free_table,
  nss_arena_hash_alloc_entry,
  nss_arena_hash_free_entry
};