1 /*
2 * Copyright (c) 2000, 2002 Kungliga Tekniska Högskolan
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_STRSEP_COPY
41
42 /* strsep, but with const stringp, so return string in buf */
43
44 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
strsep_copy(const char ** stringp,const char * delim,char * buf,size_t len)45 strsep_copy(const char **stringp, const char *delim, char *buf, size_t len)
46 {
47 const char *save = *stringp;
48 size_t l;
49 if(save == NULL)
50 return -1;
51 *stringp = *stringp + strcspn(*stringp, delim);
52 l = min(len, (size_t)(*stringp - save));
53 if(len > 0) {
54 memcpy(buf, save, l);
55 buf[l] = '\0';
56 }
57
58 l = *stringp - save;
59 if(**stringp == '\0')
60 *stringp = NULL;
61 else
62 (*stringp)++;
63 return l;
64 }
65
66 #endif
67