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      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 
     40 struct 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 
     48 void _vxsyslogp_r(int, struct syslog_fun *, struct syslog_data *,
     49     const char *, const char *, const char *, va_list) __sysloglike(6, 0);
     50 void _openlog_unlocked_r(const char *, int, int, struct syslog_data *);
     51 void _closelog_unlocked_r(struct syslog_data *);
     52 
     53 extern struct syslog_fun _syslog_ss_fun;
     54