xref: /dragonfly/contrib/dhcpcd/src/logerr.h (revision 9e37b890)
1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*
3  * logerr: errx with logging
4  * Copyright (c) 2006-2019 Roy Marples <roy@marples.name>
5  * All rights reserved
6 
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef LOGERR_H
30 #define LOGERR_H
31 
32 #include <sys/param.h>
33 
34 #ifndef __printflike
35 #if __GNUC__ > 2 || defined(__INTEL_COMPILER)
36 #define	__printflike(a, b) __attribute__((format(printf, a, b)))
37 #else
38 #define	__printflike(a, b)
39 #endif
40 #endif /* !__printflike */
41 
42 __printflike(1, 2) typedef void logfunc_t(const char *, ...);
43 
44 __printflike(1, 2) void logdebug(const char *, ...);
45 __printflike(1, 2) void logdebugx(const char *, ...);
46 __printflike(1, 2) void loginfo(const char *, ...);
47 __printflike(1, 2) void loginfox(const char *, ...);
48 __printflike(1, 2) void logwarn(const char *, ...);
49 __printflike(1, 2) void logwarnx(const char *, ...);
50 __printflike(1, 2) void logerr(const char *, ...);
51 #define	LOGERROR	logerr("%s: %d", __FILE__, __LINE__)
52 __printflike(1, 2) void logerrx(const char *, ...);
53 
54 void logsetopts(unsigned int);
55 #define	LOGERR_DEBUG	(1U << 6)
56 #define	LOGERR_QUIET	(1U << 7)
57 #define	LOGERR_LOG	(1U << 11)
58 #define	LOGERR_LOG_DATE	(1U << 12)
59 #define	LOGERR_LOG_HOST	(1U << 13)
60 #define	LOGERR_LOG_TAG	(1U << 14)
61 #define	LOGERR_LOG_PID	(1U << 15)
62 #define	LOGERR_ERR	(1U << 21)
63 #define	LOGERR_ERR_DATE	(1U << 22)
64 #define	LOGERR_ERR_HOST	(1U << 23)
65 #define	LOGERR_ERR_TAG	(1U << 24)
66 #define	LOGERR_ERR_PID	(1U << 25)
67 
68 /* To build tag support or not. */
69 //#define	LOGERR_TAG
70 #if defined(LOGERR_TAG)
71 void logsettag(const char *);
72 #endif
73 
74 int logopen(const char *);
75 void logclose(void);
76 int logreopen(void);
77 
78 #endif
79