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
40extern "C" {
41#endif
42
43enum 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
54typedef void (*fuse_log_func_t)(enum fuse_log_level level, const char *fmt, va_list ap);
55
56void fuse_set_log_func(fuse_log_func_t func);
57void fuse_log(enum fuse_log_level level, const char *fmt, ...) __printflike(2, 3);
58
59#ifdef __cplusplus
60}
61#endif
62
63#endif
64