subr.h revision 219887 
1230479Snetchild/*-
2230479Snetchild * Copyright (c) 2010 The FreeBSD Foundation
3230479Snetchild * Copyright (c) 2011 Pawel Jakub Dawidek <pawel@dawidek.net>
4230479Snetchild * All rights reserved.
5230479Snetchild *
6230479Snetchild * This software was developed by Pawel Jakub Dawidek under sponsorship from
7230479Snetchild * the FreeBSD Foundation.
8230479Snetchild *
9230479Snetchild * Redistribution and use in source and binary forms, with or without
10230479Snetchild * modification, are permitted provided that the following conditions
11230479Snetchild * are met:
12230479Snetchild * 1. Redistributions of source code must retain the above copyright
13230479Snetchild *    notice, this list of conditions and the following disclaimer.
14230479Snetchild * 2. Redistributions in binary form must reproduce the above copyright
15230479Snetchild *    notice, this list of conditions and the following disclaimer in the
16230479Snetchild *    documentation and/or other materials provided with the distribution.
17230479Snetchild *
18230479Snetchild * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19230479Snetchild * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20230479Snetchild * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21230479Snetchild * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: head/sbin/hastd/subr.h 219887 2011-03-22 21:19:51Z pjd $
31 */
32
33#ifndef	_SUBR_H_
34#define	_SUBR_H_
35
36#include <sys/types.h>
37#include <stdbool.h>
38
39#include "hast.h"
40
41#define	KEEP_ERRNO(work)	do {					\
42	int _rerrno;							\
43									\
44	_rerrno = errno;						\
45	work;								\
46	errno = _rerrno;						\
47} while (0)
48
49int vsnprlcat(char *str, size_t size, const char *fmt, va_list ap);
50int snprlcat(char *str, size_t size, const char *fmt, ...);
51
52int provinfo(struct hast_resource *res, bool dowrite);
53const char *role2str(int role);
54int drop_privs(bool usecapsicum);
55
56#endif	/* !_SUBR_H_ */
57