xref: /freebsd/lib/libc/aarch64/string/strpbrk.c (revision 89b3872376cbb6e8ab53cb50fa8c4c6d14e2d405)
1*89b38723SGetz Mikalsen /*-
2*89b38723SGetz Mikalsen  * Copyright (c) 2023 The FreeBSD Foundation
3*89b38723SGetz Mikalsen  *
4*89b38723SGetz Mikalsen  * This software was developed by Robert Clausecker <fuz@FreeBSD.org>
5*89b38723SGetz Mikalsen  * under sponsorship from the FreeBSD Foundation.
6*89b38723SGetz Mikalsen  *
7*89b38723SGetz Mikalsen  * Redistribution and use in source and binary forms, with or without
8*89b38723SGetz Mikalsen  * modification, are permitted provided that the following conditions
9*89b38723SGetz Mikalsen  * are met:
10*89b38723SGetz Mikalsen  * 1. Redistributions of source code must retain the above copyright
11*89b38723SGetz Mikalsen  *    notice, this list of conditions and the following disclaimer.
12*89b38723SGetz Mikalsen  * 2. Redistributions in binary form must reproduce the above copyright
13*89b38723SGetz Mikalsen  *    notice, this list of conditions and the following disclaimer in the
14*89b38723SGetz Mikalsen  *    documentation and/or other materials provided with the distribution.
15*89b38723SGetz Mikalsen  *
16*89b38723SGetz Mikalsen  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ''AS IS'' AND
17*89b38723SGetz Mikalsen  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*89b38723SGetz Mikalsen  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*89b38723SGetz Mikalsen  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*89b38723SGetz Mikalsen  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*89b38723SGetz Mikalsen  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*89b38723SGetz Mikalsen  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*89b38723SGetz Mikalsen  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*89b38723SGetz Mikalsen  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*89b38723SGetz Mikalsen  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*89b38723SGetz Mikalsen  * SUCH DAMAGE
27*89b38723SGetz Mikalsen  */
28*89b38723SGetz Mikalsen 
29*89b38723SGetz Mikalsen #include <sys/cdefs.h>
30*89b38723SGetz Mikalsen 
31*89b38723SGetz Mikalsen #include <string.h>
32*89b38723SGetz Mikalsen 
33*89b38723SGetz Mikalsen size_t __strcspn(const char *, const char *);
34*89b38723SGetz Mikalsen 
35*89b38723SGetz Mikalsen char *
strpbrk(const char * s,const char * charset)36*89b38723SGetz Mikalsen strpbrk(const char *s, const char *charset)
37*89b38723SGetz Mikalsen {
38*89b38723SGetz Mikalsen 	size_t loc;
39*89b38723SGetz Mikalsen 
40*89b38723SGetz Mikalsen 	loc = __strcspn(s, charset);
41*89b38723SGetz Mikalsen 
42*89b38723SGetz Mikalsen 	return (s[loc] == '\0' ? NULL : (char *)&s[loc]);
43*89b38723SGetz Mikalsen }
44