xref: /dflybsd-src/lib/libc/string/strchrnul.c (revision 8fd2f2436da10f369a452cf69f85b233a09c02f5)
1*8fd2f243SFrançois Tigeot /*-
2*8fd2f243SFrançois Tigeot  * Copyright (c) 2013 Niclas Zeising
3*8fd2f243SFrançois Tigeot  * All rights reserved.
4*8fd2f243SFrançois Tigeot  *
5*8fd2f243SFrançois Tigeot  * Redistribution and use in source and binary forms, with or without
6*8fd2f243SFrançois Tigeot  * modification, are permitted provided that the following conditions
7*8fd2f243SFrançois Tigeot  * are met:
8*8fd2f243SFrançois Tigeot  * 1. Redistributions of source code must retain the above copyright
9*8fd2f243SFrançois Tigeot  *    notice, this list of conditions and the following disclaimer.
10*8fd2f243SFrançois Tigeot  * 2. Redistributions in binary form must reproduce the above copyright
11*8fd2f243SFrançois Tigeot  *    notice, this list of conditions and the following disclaimer in the
12*8fd2f243SFrançois Tigeot  *    documentation and/or other materials provided with the distribution.
13*8fd2f243SFrançois Tigeot  *
14*8fd2f243SFrançois Tigeot  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*8fd2f243SFrançois Tigeot  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*8fd2f243SFrançois Tigeot  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*8fd2f243SFrançois Tigeot  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*8fd2f243SFrançois Tigeot  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*8fd2f243SFrançois Tigeot  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*8fd2f243SFrançois Tigeot  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*8fd2f243SFrançois Tigeot  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*8fd2f243SFrançois Tigeot  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*8fd2f243SFrançois Tigeot  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*8fd2f243SFrançois Tigeot  * SUCH DAMAGE.
25*8fd2f243SFrançois Tigeot  *
26*8fd2f243SFrançois Tigeot  * $FreeBSD: src/lib/libc/string/strchrnul.c,v 1.1 2013/02/14 01:18:03 svnexp Exp $
27*8fd2f243SFrançois Tigeot  */
28*8fd2f243SFrançois Tigeot 
29*8fd2f243SFrançois Tigeot #include <string.h>
30*8fd2f243SFrançois Tigeot 
31*8fd2f243SFrançois Tigeot char *
32*8fd2f243SFrançois Tigeot strchrnul(const char *p, int ch)
33*8fd2f243SFrançois Tigeot {
34*8fd2f243SFrançois Tigeot 	char c;
35*8fd2f243SFrançois Tigeot 
36*8fd2f243SFrançois Tigeot 	c = ch;
37*8fd2f243SFrançois Tigeot 	for (;; ++p) {
38*8fd2f243SFrançois Tigeot 		if (*p == c || *p == '\0')
39*8fd2f243SFrançois Tigeot 			return ((char *)p);
40*8fd2f243SFrançois Tigeot 	}
41*8fd2f243SFrançois Tigeot 	/* NOTREACHED */
42*8fd2f243SFrançois Tigeot }
43