1 /*-
2 * See the file LICENSE for redistribution information.
3 *
4 * Copyright (c) 1996, 1997
5 * Sleepycat Software. All rights reserved.
6 */
7 /*
8 * Copyright (c) 1990, 1993
9 * The Regents of the University of California. All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40 /*
41 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
42 */
43
44 #include "config.h"
45
46 #ifndef lint
47 static const char sccsid[] = "@(#)strsep.c 10.1 (Sleepycat) 4/12/97";
48 #endif /* not lint */
49
50 #ifndef NO_SYSTEM_INCLUDES
51 #include <string.h>
52 #include <stdio.h>
53 #endif
54
55 /*
56 * Get next token from string *stringp, where tokens are possibly-empty
57 * strings separated by characters from delim.
58 *
59 * Writes NULs into the string at *stringp to end tokens.
60 * delim need not remain constant from call to call.
61 * On return, *stringp points past the last NUL written (if there might
62 * be further tokens), or is NULL (if there are definitely no more tokens).
63 *
64 * If *stringp is NULL, strsep returns NULL.
65 *
66 * PUBLIC: #ifndef HAVE_STRSEP
67 * PUBLIC: char *strsep __P((char **, const char *));
68 * PUBLIC: #endif
69 */
70
71 #ifndef HAVE_STRSEP
72
73 char *
strsep(stringp,delim)74 strsep(stringp, delim)
75 register char **stringp;
76 register const char *delim;
77 {
78 register char *s;
79 register const char *spanp;
80 register int c, sc;
81 char *tok;
82
83 if ((s = *stringp) == NULL)
84 return (NULL);
85 for (tok = s;;) {
86 c = *s++;
87 spanp = delim;
88 do {
89 if ((sc = *spanp++) == c) {
90 if (c == 0)
91 s = NULL;
92 else
93 s[-1] = 0;
94 *stringp = s;
95 return (tok);
96 }
97 } while (sc != 0);
98 }
99 /* NOTREACHED */
100 }
101
102 #endif /* HAVE_STRSEP */
103