diff options
Diffstat (limited to 'libc/string/strtok.c')
-rw-r--r-- | libc/string/strtok.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/libc/string/strtok.c b/libc/string/strtok.c deleted file mode 100644 index 4e963a0..0000000 --- a/libc/string/strtok.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * 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. 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 <string.h> - -char * -strtok(char *s, const char *delim) -{ - static char *last; - - return strtok_r(s, delim, &last); -} - -char * -strtok_r(char *s, const char *delim, char **last) -{ - char *spanp; - 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 */ -} |