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lightning-sunbird  0.9+nobinonly
strtok.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) 2001
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Roland Mainz <roland mainz@informatik.med.uni-giessen.de>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "plstr.h"
00040 
00041 PR_IMPLEMENT(char *)
00042 PL_strtok_r(char *s1, const char *s2, char **lasts)
00043 {
00044     const char *sepp;
00045     int         c, sc;
00046     char       *tok;
00047 
00048     if( s1 == NULL )
00049     {
00050         if( *lasts == NULL )
00051             return NULL;
00052 
00053         s1 = *lasts;
00054     }
00055   
00056     for( ; (c = *s1) != 0; s1++ )
00057     {
00058         for( sepp = s2 ; (sc = *sepp) != 0 ; sepp++ )
00059         {
00060             if( c == sc )
00061                 break;
00062         }
00063         if( sc == 0 )
00064             break; 
00065     }
00066 
00067     if( c == 0 )
00068     {
00069         *lasts = NULL;
00070         return NULL;
00071     }
00072   
00073     tok = s1++;
00074 
00075     for( ; (c = *s1) != 0; s1++ )
00076     {
00077         for( sepp = s2; (sc = *sepp) != 0; sepp++ )
00078         {
00079             if( c == sc )
00080             {
00081                 *s1++ = '\0';
00082                 *lasts = s1;
00083                 return tok;
00084             }
00085         }
00086     }
00087     *lasts = NULL;
00088     return tok;
00089 }