1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
FUSE: Filesystem in Userspace
Copyright (C) 2019 Red Hat, Inc.
Logging API.
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB
*/
#include "fuse_log.h"
#include <stdio.h>
#include <stdbool.h>
#include <syslog.h>
#include <stdarg.h>
#define MAX_SYSLOG_LINE_LEN 512
static bool to_syslog = false;
static void default_log_func(enum fuse_log_level level, const char *fmt, va_list ap)
{
if (to_syslog)
vsyslog(level, fmt, ap);
else
vfprintf(stderr, fmt, ap);
}
static fuse_log_func_t log_func = default_log_func;
void fuse_set_log_func(fuse_log_func_t func)
{
if (!func)
func = default_log_func;
log_func = func;
}
void fuse_log(enum fuse_log_level level, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
log_func(level, fmt, ap);
va_end(ap);
}
void fuse_log_enable_syslog(const char *ident, int option, int facility)
{
to_syslog = true;
openlog(ident, option, facility);
}
void fuse_log_close_syslog(void)
{
closelog();
}
|
