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/crypto/heimdal/lib/roken/strtok_r.c

https://bitbucket.org/freebsd/freebsd-head/
C | 62 lines | 23 code | 7 blank | 32 comment | 7 complexity | 18beb136c8a5375939b3894d7a76abfe MD5 | raw file
 1/*
 2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Hรถgskolan
 3 * (Royal Institute of Technology, Stockholm, Sweden).
 4 * All rights reserved.
 5 *
 6 * Redistribution and use in source and binary forms, with or without
 7 * modification, are permitted provided that the following conditions
 8 * are met:
 9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <config.h>
35
36#include <string.h>
37
38#include "roken.h"
39
40#ifndef HAVE_STRTOK_R
41
42ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
43strtok_r(char *s1, const char *s2, char **lasts)
44{
45  char *ret;
46
47  if (s1 == NULL)
48    s1 = *lasts;
49  while(*s1 && strchr(s2, *s1))
50    ++s1;
51  if(*s1 == '\0')
52    return NULL;
53  ret = s1;
54  while(*s1 && !strchr(s2, *s1))
55    ++s1;
56  if(*s1)
57    *s1++ = '\0';
58  *lasts = s1;
59  return ret;
60}
61
62#endif /* HAVE_STRTOK_R */