1d1d32c3dSAlex Richardson /*-
2d1d32c3dSAlex Richardson * SPDX-License-Identifier: BSD-2-Clause
3d1d32c3dSAlex Richardson *
4d1d32c3dSAlex Richardson * Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org>
5d1d32c3dSAlex Richardson *
6d1d32c3dSAlex Richardson * This software was developed by SRI International and the University of
7d1d32c3dSAlex Richardson * Cambridge Computer Laboratory (Department of Computer Science and
8d1d32c3dSAlex Richardson * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
9d1d32c3dSAlex Richardson * DARPA SSITH research programme.
10d1d32c3dSAlex Richardson *
11d1d32c3dSAlex Richardson * This software was developed by SRI International and the University of
12d1d32c3dSAlex Richardson * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
13d1d32c3dSAlex Richardson * ("CTSRD"), as part of the DARPA CRASH research programme.
14d1d32c3dSAlex Richardson *
15d1d32c3dSAlex Richardson * Redistribution and use in source and binary forms, with or without
16d1d32c3dSAlex Richardson * modification, are permitted provided that the following conditions
17d1d32c3dSAlex Richardson * are met:
18d1d32c3dSAlex Richardson * 1. Redistributions of source code must retain the above copyright
19d1d32c3dSAlex Richardson * notice, this list of conditions and the following disclaimer.
20d1d32c3dSAlex Richardson * 2. Redistributions in binary form must reproduce the above copyright
21d1d32c3dSAlex Richardson * notice, this list of conditions and the following disclaimer in the
22d1d32c3dSAlex Richardson * documentation and/or other materials provided with the distribution.
23d1d32c3dSAlex Richardson *
24d1d32c3dSAlex Richardson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25d1d32c3dSAlex Richardson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26d1d32c3dSAlex Richardson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27d1d32c3dSAlex Richardson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28d1d32c3dSAlex Richardson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29d1d32c3dSAlex Richardson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30d1d32c3dSAlex Richardson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31d1d32c3dSAlex Richardson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32d1d32c3dSAlex Richardson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33d1d32c3dSAlex Richardson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34d1d32c3dSAlex Richardson * SUCH DAMAGE.
35d1d32c3dSAlex Richardson */
36d1d32c3dSAlex Richardson #pragma once
37d1d32c3dSAlex Richardson
38d1d32c3dSAlex Richardson #include_next <string.h>
39d1d32c3dSAlex Richardson
40d1d32c3dSAlex Richardson /*
41*4e2616b7SJohn Baldwin * strchrnul is provided by macOS 15.4 and later. However, there is
42*4e2616b7SJohn Baldwin * no good way to detect the current host version at compile time, so
43*4e2616b7SJohn Baldwin * provide an inline definition under an alternate name.
44d1d32c3dSAlex Richardson */
45*4e2616b7SJohn Baldwin #define strchrnul(p, ch) __freebsd_strchrnul(p, ch)
46*4e2616b7SJohn Baldwin
47d1d32c3dSAlex Richardson static inline char *
strchrnul(const char * p,int ch)48d1d32c3dSAlex Richardson strchrnul(const char *p, int ch)
49d1d32c3dSAlex Richardson {
50d1d32c3dSAlex Richardson char c;
51d1d32c3dSAlex Richardson
52d1d32c3dSAlex Richardson c = ch;
53d1d32c3dSAlex Richardson for (;; ++p) {
54d1d32c3dSAlex Richardson if (*p == c || *p == '\0')
557467c537SAlex Richardson return (__DECONST(char *, p));
56d1d32c3dSAlex Richardson }
57d1d32c3dSAlex Richardson /* NOTREACHED */
58d1d32c3dSAlex Richardson }
59