lib/base/hashops.c
author EKR <ekr@rtfm.com>
Fri, 02 Dec 2016 16:32:09 +0100
changeset 12940 433172d35f525c82db3eb0b583f40e93a7d3a7c8
parent 11739 d5dd1249b522666ce208cf385fc2139c7617a2f8
permissions -rw-r--r--
Bug 1321809 - Only increment the advertised extensions when appending rather than on both passes. r=mt Differential Revision: https://nss-review.dev.mozaws.net/D111

/* 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
};