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lightning-sunbird  0.9+nobinonly
hashops.c
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is the Netscape security libraries.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corporation.
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00019  * the Initial Developer. All Rights Reserved.
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00021  * Contributor(s):
00022  *
00023  * Alternatively, the contents of this file may be used under the terms of
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00026  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036 
00037 #ifdef DEBUG
00038 static const char CVS_ID[] = "@(#) $RCSfile: hashops.c,v $ $Revision: 1.6 $ $Date: 2005/01/20 02:25:45 $";
00039 #endif /* DEBUG */
00040 
00041 /*
00042  * hashops.c
00043  *
00044  * This file includes a set of PLHashAllocOps that use NSSArenas.
00045  */
00046 
00047 #ifndef BASE_H
00048 #include "base.h"
00049 #endif /* BASE_H */
00050 
00051 static void * PR_CALLBACK
00052 nss_arena_hash_alloc_table
00053 (
00054   void *pool,
00055   PRSize size
00056 )
00057 {
00058   NSSArena *arena = (NSSArena *)NULL;
00059 
00060 #ifdef NSSDEBUG
00061   if( (void *)NULL != arena ) {
00062     if( PR_SUCCESS != nssArena_verifyPointer(arena) ) {
00063       return (void *)NULL;
00064     }
00065   }
00066 #endif /* NSSDEBUG */
00067 
00068   return nss_ZAlloc(arena, size);
00069 }
00070 
00071 static void PR_CALLBACK
00072 nss_arena_hash_free_table
00073 (
00074   void *pool, 
00075   void *item
00076 )
00077 {
00078   (void)nss_ZFreeIf(item);
00079 }
00080 
00081 static PLHashEntry * PR_CALLBACK
00082 nss_arena_hash_alloc_entry
00083 (
00084   void *pool,
00085   const void *key
00086 )
00087 {
00088   NSSArena *arena = NULL;
00089 
00090 #ifdef NSSDEBUG
00091   if( (void *)NULL != arena ) {
00092     if( PR_SUCCESS != nssArena_verifyPointer(arena) ) {
00093       return (void *)NULL;
00094     }
00095   }
00096 #endif /* NSSDEBUG */
00097 
00098   return nss_ZNEW(arena, PLHashEntry);
00099 }
00100 
00101 static void PR_CALLBACK
00102 nss_arena_hash_free_entry
00103 (
00104   void *pool,
00105   PLHashEntry *he,
00106   PRUintn flag
00107 )
00108 {
00109   if( HT_FREE_ENTRY == flag ) {
00110     (void)nss_ZFreeIf(he);
00111   }
00112 }
00113 
00114 NSS_IMPLEMENT_DATA PLHashAllocOps 
00115 nssArenaHashAllocOps = {
00116   nss_arena_hash_alloc_table,
00117   nss_arena_hash_free_table,
00118   nss_arena_hash_alloc_entry,
00119   nss_arena_hash_free_entry
00120 };