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lightning-sunbird  0.9+nobinonly
prrng.c
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is the Netscape Portable Runtime (NSPR).
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998-2000
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
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00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "primpl.h"
00039 
00040 /*
00041  * We were not including <string.h> in optimized builds.  On AIX this
00042  * caused libnspr4.so to export memcpy and some binaries linked with
00043  * libnspr4.so resolved their memcpy references with libnspr4.so.  To
00044  * be backward compatible with old libnspr4.so binaries, we do not
00045  * include <string.h> in optimized builds for AIX.  (bug 200561)
00046  */
00047 #if !(defined(AIX) && !defined(DEBUG))
00048 #include <string.h>
00049 #endif
00050 
00051 PRSize _pr_CopyLowBits( 
00052     void *dst, 
00053     PRSize dstlen, 
00054     void *src, 
00055     PRSize srclen )
00056 {
00057     if (srclen <= dstlen) {
00058        memcpy(dst, src, srclen);
00059            return srclen;
00060     }
00061 #if defined IS_BIG_ENDIAN
00062     memcpy(dst, (char*)src + (srclen - dstlen), dstlen);
00063 #else
00064     memcpy(dst, src, dstlen);
00065 #endif
00066     return dstlen;
00067 }    
00068 
00069 PR_IMPLEMENT(PRSize) PR_GetRandomNoise( 
00070     void    *buf,
00071     PRSize  size
00072 )
00073 {
00074     return( _PR_MD_GET_RANDOM_NOISE( buf, size ));
00075 } /* end PR_GetRandomNoise() */
00076 /* end prrng.c */