1/*	$NetBSD: syslog_private.h,v 1.4 2022/04/19 20:32:15 rillig Exp $	*/
2
3/*-
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#define DEC()							\
33	do {							\
34		if (prlen >= tbuf_left)				\
35			prlen = tbuf_left - 1;			\
36		p += prlen;					\
37		tbuf_left -= prlen;				\
38	} while (0)
39
40struct syslog_fun {
41	size_t (*timefun)(char *, size_t);
42	int  (*errfun)(int, char *, size_t);
43	int __sysloglike(3, 0) (*prfun)(char *, size_t, const char *, va_list);
44	int (*lock)(const struct syslog_data *);
45	int (*unlock)(const struct syslog_data *);
46};
47
48void _vxsyslogp_r(int, struct syslog_fun *, struct syslog_data *,
49    const char *, const char *, const char *, va_list) __sysloglike(6, 0);
50void _openlog_unlocked_r(const char *, int, int, struct syslog_data *);
51void _closelog_unlocked_r(struct syslog_data *);
52
53extern struct syslog_fun _syslog_ss_fun;
54