xref: /netbsd-src/lib/librefuse/fuse_log.h (revision 153b9c141b7fa8d0ca419b1eaa9ba2e20af69b34)
1 /* $NetBSD: fuse_log.h,v 1.1 2022/01/22 07:39:22 pho Exp $ */
2 
3 /*
4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
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  * 3. The name of the author may not be used to endorse or promote
16  *    products derived from this software without specific prior written
17  *    permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 #if !defined(_FUSE_LOG_H_)
32 #define _FUSE_LOG_H_
33 
34 /* FUSE logging API, appeared on FUSE 3.7. */
35 
36 #include <stdarg.h>
37 #include <sys/cdefs.h>
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 enum fuse_log_level {
44 	FUSE_LOG_EMERG,
45 	FUSE_LOG_ALERT,
46 	FUSE_LOG_CRIT,
47 	FUSE_LOG_ERR,
48 	FUSE_LOG_WARNING,
49 	FUSE_LOG_NOTICE,
50 	FUSE_LOG_INFO,
51 	FUSE_LOG_DEBUG
52 };
53 
54 typedef void (*fuse_log_func_t)(enum fuse_log_level level, const char *fmt, va_list ap);
55 
56 void fuse_set_log_func(fuse_log_func_t func);
57 void fuse_log(enum fuse_log_level level, const char *fmt, ...) __printflike(2, 3);
58 
59 #ifdef __cplusplus
60 }
61 #endif
62 
63 #endif
64