18ab3d8fbSAlex Hornung /*-
28ab3d8fbSAlex Hornung * Copyright (c) 1990, 1993
38ab3d8fbSAlex Hornung * The Regents of the University of California. All rights reserved.
48ab3d8fbSAlex Hornung *
58ab3d8fbSAlex Hornung * Redistribution and use in source and binary forms, with or without
68ab3d8fbSAlex Hornung * modification, are permitted provided that the following conditions
78ab3d8fbSAlex Hornung * are met:
88ab3d8fbSAlex Hornung * 1. Redistributions of source code must retain the above copyright
98ab3d8fbSAlex Hornung * notice, this list of conditions and the following disclaimer.
108ab3d8fbSAlex Hornung * 2. Redistributions in binary form must reproduce the above copyright
118ab3d8fbSAlex Hornung * notice, this list of conditions and the following disclaimer in the
128ab3d8fbSAlex Hornung * documentation and/or other materials provided with the distribution.
13*dc71b7abSJustin C. Sherrill * 3. Neither the name of the University nor the names of its contributors
148ab3d8fbSAlex Hornung * may be used to endorse or promote products derived from this software
158ab3d8fbSAlex Hornung * without specific prior written permission.
168ab3d8fbSAlex Hornung *
178ab3d8fbSAlex Hornung * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
188ab3d8fbSAlex Hornung * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
198ab3d8fbSAlex Hornung * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
208ab3d8fbSAlex Hornung * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
218ab3d8fbSAlex Hornung * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
228ab3d8fbSAlex Hornung * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
238ab3d8fbSAlex Hornung * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
248ab3d8fbSAlex Hornung * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
258ab3d8fbSAlex Hornung * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
268ab3d8fbSAlex Hornung * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
278ab3d8fbSAlex Hornung * SUCH DAMAGE.
288ab3d8fbSAlex Hornung *
298ab3d8fbSAlex Hornung */
308ab3d8fbSAlex Hornung
318ab3d8fbSAlex Hornung #include <sys/libkern.h>
328ab3d8fbSAlex Hornung
338ab3d8fbSAlex Hornung char *
strsep(char ** stringp,const char * delim)348ab3d8fbSAlex Hornung strsep(char **stringp, const char *delim)
358ab3d8fbSAlex Hornung {
368ab3d8fbSAlex Hornung char *s;
378ab3d8fbSAlex Hornung const char *spanp;
388ab3d8fbSAlex Hornung int c, sc;
398ab3d8fbSAlex Hornung char *tok;
408ab3d8fbSAlex Hornung
418ab3d8fbSAlex Hornung if ((s = *stringp) == NULL)
428ab3d8fbSAlex Hornung return (NULL);
438ab3d8fbSAlex Hornung for (tok = s;;) {
448ab3d8fbSAlex Hornung c = *s++;
458ab3d8fbSAlex Hornung spanp = delim;
468ab3d8fbSAlex Hornung do {
478ab3d8fbSAlex Hornung if ((sc = *spanp++) == c) {
488ab3d8fbSAlex Hornung if (c == 0)
498ab3d8fbSAlex Hornung s = NULL;
508ab3d8fbSAlex Hornung else
518ab3d8fbSAlex Hornung s[-1] = 0;
528ab3d8fbSAlex Hornung *stringp = s;
538ab3d8fbSAlex Hornung return (tok);
548ab3d8fbSAlex Hornung }
558ab3d8fbSAlex Hornung } while (sc != 0);
568ab3d8fbSAlex Hornung }
578ab3d8fbSAlex Hornung /* NOTREACHED */
588ab3d8fbSAlex Hornung }
59