source: rtems-libbsd/freebsd/lib/libc/string/strsep.c @ bceabc9

4.1155-freebsd-126-freebsd-12freebsd-9.3
Last change on this file since bceabc9 was bceabc9, checked in by Sebastian Huber <sebastian.huber@…>, on Oct 9, 2013 at 8:42:09 PM

Move files to match FreeBSD layout

  • Property mode set to 100644
File size: 2.6 KB
Line 
1#include "port_before.h"
2
3/*-
4 * Copyright (c) 1990, 1993
5 *      The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 4. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#if defined(LIBC_SCCS) && !defined(lint)
33static char sccsid[] = "@(#)strsep.c    8.1 (Berkeley) 6/4/93";
34#endif /* LIBC_SCCS and not lint */
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include <string.h>
39#include <stdio.h>
40
41/*
42 * Get next token from string *stringp, where tokens are possibly-empty
43 * strings separated by characters from delim.
44 *
45 * Writes NULs into the string at *stringp to end tokens.
46 * delim need not remain constant from call to call.
47 * On return, *stringp points past the last NUL written (if there might
48 * be further tokens), or is NULL (if there are definitely no more tokens).
49 *
50 * If *stringp is NULL, strsep returns NULL.
51 */
52char *
53strsep(char **stringp, const char *delim)
54{
55        char *s;
56        const char *spanp;
57        int c, sc;
58        char *tok;
59
60        if ((s = *stringp) == NULL)
61                return (NULL);
62        for (tok = s;;) {
63                c = *s++;
64                spanp = delim;
65                do {
66                        if ((sc = *spanp++) == c) {
67                                if (c == 0)
68                                        s = NULL;
69                                else
70                                        s[-1] = 0;
71                                *stringp = s;
72                                return (tok);
73                        }
74                } while (sc != 0);
75        }
76        /* NOTREACHED */
77}
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