xref: /freebsd/crypto/heimdal/lib/roken/strtok_r.c (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1b528cefcSMark Murray /*
2*ae771770SStanislav Sedov  * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
3b528cefcSMark Murray  * (Royal Institute of Technology, Stockholm, Sweden).
4b528cefcSMark Murray  * All rights reserved.
5b528cefcSMark Murray  *
6b528cefcSMark Murray  * Redistribution and use in source and binary forms, with or without
7b528cefcSMark Murray  * modification, are permitted provided that the following conditions
8b528cefcSMark Murray  * are met:
9b528cefcSMark Murray  *
10b528cefcSMark Murray  * 1. Redistributions of source code must retain the above copyright
11b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer.
12b528cefcSMark Murray  *
13b528cefcSMark Murray  * 2. Redistributions in binary form must reproduce the above copyright
14b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer in the
15b528cefcSMark Murray  *    documentation and/or other materials provided with the distribution.
16b528cefcSMark Murray  *
17b528cefcSMark Murray  * 3. Neither the name of the Institute nor the names of its contributors
18b528cefcSMark Murray  *    may be used to endorse or promote products derived from this software
19b528cefcSMark Murray  *    without specific prior written permission.
20b528cefcSMark Murray  *
21b528cefcSMark Murray  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22b528cefcSMark Murray  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23b528cefcSMark Murray  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24b528cefcSMark Murray  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25b528cefcSMark Murray  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26b528cefcSMark Murray  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27b528cefcSMark Murray  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28b528cefcSMark Murray  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29b528cefcSMark Murray  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30b528cefcSMark Murray  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31b528cefcSMark Murray  * SUCH DAMAGE.
32b528cefcSMark Murray  */
33b528cefcSMark Murray 
34b528cefcSMark Murray #include <config.h>
35b528cefcSMark Murray 
36b528cefcSMark Murray #include <string.h>
37b528cefcSMark Murray 
38b528cefcSMark Murray #include "roken.h"
39b528cefcSMark Murray 
40b528cefcSMark Murray #ifndef HAVE_STRTOK_R
41b528cefcSMark Murray 
42*ae771770SStanislav Sedov ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
strtok_r(char * s1,const char * s2,char ** lasts)43b528cefcSMark Murray strtok_r(char *s1, const char *s2, char **lasts)
44b528cefcSMark Murray {
45b528cefcSMark Murray   char *ret;
46b528cefcSMark Murray 
47b528cefcSMark Murray   if (s1 == NULL)
48b528cefcSMark Murray     s1 = *lasts;
49b528cefcSMark Murray   while(*s1 && strchr(s2, *s1))
50b528cefcSMark Murray     ++s1;
51b528cefcSMark Murray   if(*s1 == '\0')
52b528cefcSMark Murray     return NULL;
53b528cefcSMark Murray   ret = s1;
54b528cefcSMark Murray   while(*s1 && !strchr(s2, *s1))
55b528cefcSMark Murray     ++s1;
56b528cefcSMark Murray   if(*s1)
57b528cefcSMark Murray     *s1++ = '\0';
58b528cefcSMark Murray   *lasts = s1;
59b528cefcSMark Murray   return ret;
60b528cefcSMark Murray }
61b528cefcSMark Murray 
62b528cefcSMark Murray #endif /* HAVE_STRTOK_R */
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