xref: /freebsd/tools/build/cross-build/include/common/unistd.h (revision 1323ec571215a77ddd21294f0871979d5ad6b992)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org>
5  *
6  * This software was developed by SRI International and the University of
7  * Cambridge Computer Laboratory (Department of Computer Science and
8  * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
9  * DARPA SSITH research programme.
10  *
11  * This software was developed by SRI International and the University of
12  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
13  * ("CTSRD"), as part of the DARPA CRASH research programme.
14  *
15  * Redistribution and use in source and binary forms, with or without
16  * modification, are permitted provided that the following conditions
17  * are met:
18  * 1. Redistributions of source code must retain the above copyright
19  *    notice, this list of conditions and the following disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in the
22  *    documentation and/or other materials provided with the distribution.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * $FreeBSD$
37  */
38 #pragma once
39 #include_next <unistd.h>
40 #include <getopt.h>
41 
42 struct crypt_data {
43 	int	initialized;	/* For compatibility with glibc. */
44 	char	__buf[256];	/* Buffer returned by crypt_r(). */
45 };
46 
47 static inline int
48 check_utility_compat(const char *utility __unused)
49 {
50 	/*
51 	 * The check_utility_compat() function returns zero if utility should
52 	 * implement strict IEEE Std 1003.1-2001 (“POSIX.1”) behavior, and
53 	 * nonzero otherwise.
54 	 *
55 	 * During bootstrapping from another host system always returning 1
56 	 * is probably the best.
57 	 */
58 	return (1);
59 }
60 
61 /* Just needs to be declared, doesn't actually have to be implemented */
62 void closefrom(int lowfd);
63