diff options
author | Damien Miller <djm@mindrot.org> | 2000-09-24 11:21:31 +1100 |
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committer | Damien Miller <djm@mindrot.org> | 2000-09-24 11:21:31 +1100 |
commit | 80ecfe8fb8dbbb89ba9edba6b0159ce9adea3f3e (patch) | |
tree | 5878839a06d4887ba654b06578679e9611ea41f8 /bsd-strtok.c | |
parent | 72c9a7e958689740cb3449df5732e0956d52ef5b (diff) |
- (djm) Include strtok_r() from OpenBSD libc. Fixes report from Mark Miller
<markm@swoon.net>
Diffstat (limited to 'bsd-strtok.c')
-rw-r--r-- | bsd-strtok.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/bsd-strtok.c b/bsd-strtok.c new file mode 100644 index 00000000..d197734c --- /dev/null +++ b/bsd-strtok.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 1988 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "config.h" + +#ifndef HAVE_STRTOK_R + +#include "bsd-strtok.h" + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$OpenBSD: strtok.c,v 1.3 1999/11/09 11:19:46 art Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +char *strtok_r(char *s, const char *delim, char **last) +{ + register char *spanp; + register int c, sc; + char *tok; + + if (s == NULL && (s = *last) == NULL) + return (NULL); + + /* + * Skip (span) leading delimiters (s += strspn(s, delim), sort of). + */ +cont: + c = *s++; + for (spanp = (char *)delim; (sc = *spanp++) != 0;) { + if (c == sc) + goto cont; + } + + if (c == 0) { /* no non-delimiter characters */ + *last = NULL; + return (NULL); + } + tok = s - 1; + + /* + * Scan token (scan for delimiters: s += strcspn(s, delim), sort of). + * Note that delim must have one NUL; we stop if we see that, too. + */ + for (;;) { + c = *s++; + spanp = (char *)delim; + do { + if ((sc = *spanp++) == c) { + if (c == 0) + s = NULL; + else + s[-1] = 0; + *last = s; + return (tok); + } + } while (sc != 0); + } + /* NOTREACHED */ +} + +#endif /* !HAVE_STRTOK_R */ |