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lightning-sunbird  0.9+nobinonly
strpbrk.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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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "plstr.h"
00039 #include <string.h>
00040 
00041 PR_IMPLEMENT(char *)
00042 PL_strpbrk(const char *s, const char *list)
00043 {
00044     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;
00045 
00046     return strpbrk(s, list);
00047 }
00048 
00049 PR_IMPLEMENT(char *)
00050 PL_strprbrk(const char *s, const char *list)
00051 {
00052     const char *p;
00053     const char *r;
00054 
00055     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;
00056 
00057     for( r = s; *r; r++ )
00058         ;
00059 
00060     for( r--; r >= s; r-- )
00061         for( p = list; *p; p++ )
00062             if( *r == *p )
00063                 return (char *)r;
00064 
00065     return (char *)0;
00066 }
00067 
00068 PR_IMPLEMENT(char *)
00069 PL_strnpbrk(const char *s, const char *list, PRUint32 max)
00070 {
00071     const char *p;
00072 
00073     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;
00074 
00075     for( ; max && *s; s++, max-- )
00076         for( p = list; *p; p++ )
00077             if( *s == *p )
00078                 return (char *)s;
00079 
00080     return (char *)0;
00081 }
00082 
00083 PR_IMPLEMENT(char *)
00084 PL_strnprbrk(const char *s, const char *list, PRUint32 max)
00085 {
00086     const char *p;
00087     const char *r;
00088 
00089     if( ((const char *)0 == s) || ((const char *)0 == list) ) return (char *)0;
00090 
00091     for( r = s; max && *r; r++, max-- )
00092         ;
00093 
00094     for( r--; r >= s; r-- )
00095         for( p = list; *p; p++ )
00096             if( *r == *p )
00097                 return (char *)r;
00098 
00099     return (char *)0;
00100 }