1/*
2 * Copyright (c) 1996  Peter Wemm <peter@FreeBSD.org>.
3 * All rights reserved.
4 * Copyright (c) 2002 Networks Associates Technology, Inc.
5 * All rights reserved.
6 *
7 * Portions of this software were developed for the FreeBSD Project by
8 * ThinkSec AS and NAI Labs, the Security Research Division of Network
9 * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
10 * ("CBOSS"), as part of the DARPA CHATS research program.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, is permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote
21 *    products derived from this software without specific prior written
22 *    permission.
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: src/lib/libutil/libutil.h,v 1.42 2006/02/18 11:25:28 des Exp $
37 */
38
39#ifndef _LIBUTIL_H_
40#define	_LIBUTIL_H_
41
42#include <unistd.h>
43#include <stdbool.h>
44
45#ifdef _SYS_PARAM_H_
46/* for pidfile.c */
47struct pidfh {
48	int	pf_fd;
49	char	pf_path[MAXPATHLEN + 1];
50	dev_t	pf_dev;
51	ino_t	pf_ino;
52};
53#endif
54
55struct in_addr;
56struct sockaddr;
57
58__BEGIN_DECLS
59int	humanize_number(char *_buf, size_t _len, int64_t _number,
60	    const char *_suffix, int _scale, int _flags);
61
62int	realhostname(char *host, size_t hsize, const struct in_addr *ip);
63int	realhostname_sa(char *host, size_t hsize, struct sockaddr *addr,
64			     int addrlen);
65
66#ifdef _SYS_PARAM_H_
67struct pidfh *pidfile_open(const char *path, mode_t mode, pid_t *pidptr);
68int pidfile_write(struct pidfh *pfh);
69int pidfile_close(struct pidfh *pfh);
70int pidfile_remove(struct pidfh *pfh);
71#endif
72
73int reexec_to_match_kernel(void);
74int reexec_to_match_lp64ness(bool isLP64);
75
76__END_DECLS
77
78/* return values from realhostname() */
79#define HOSTNAME_FOUND		(0)
80#define HOSTNAME_INCORRECTNAME	(1)
81#define HOSTNAME_INVALIDADDR	(2)
82#define HOSTNAME_INVALIDNAME	(3)
83
84/* humanize_number(3) */
85#define HN_DECIMAL		0x01
86#define HN_NOSPACE		0x02
87#define HN_B			0x04
88#define HN_DIVISOR_1000		0x08
89
90#define HN_GETSCALE		0x10
91#define HN_AUTOSCALE		0x20
92
93#endif /* !_LIBUTIL_H_ */
94