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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* kmscon - Log Control
*
* Copyright (c) 2011 David Herrmann <dh.herrmann@googlemail.com>
* Copyright (c) 2011 University of Tuebingen
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Log Control
* This is a fairly simply logging API. It forwards all messages to stderr.
* They may be prefixed with a priority level like kernel messages.
* To forward the messages to syslog simply connect stderr to the syslog daemon
* via your init-manager.
*/
#ifndef KMSCON_LOG_H
#define KMSCON_LOG_H
#include <stdarg.h>
#include <stdlib.h>
#include "config.h"
/* LOG_EMERG and LOG_ALERT do not make sense for this application */
#define LOG_CRIT "<2>" /* error that cannot be handled correctly */
#define LOG_ERR "<3>" /* error detected */
#define LOG_WARN "<4>" /* warn about unexpected conditions */
#define LOG_NOTICE "<5>" /* notify about unusual conditions */
#define LOG_INFO "<6>" /* basic inforomational messages */
#define LOG_DEBUG "<7>" /* debug messages */
/* dummy logger which allows gcc to check for printk-format */
static inline __attribute__ ((format (printf, 1, 2)))
void log_dummy(const char *format, ...)
{
}
__attribute__ ((format (printf, 1, 2)))
void log_printf(const char *format, ...);
__attribute__ ((format (printf, 1, 0)))
void log_vprintf(const char *format, va_list list);
#define log_crit(format, ...) log_printf(LOG_CRIT format, ##__VA_ARGS__)
#define log_err(format, ...) log_printf(LOG_ERR format, ##__VA_ARGS__)
#define log_warn(format, ...) log_printf(LOG_WARN format, ##__VA_ARGS__)
#define log_notice(format, ...) log_printf(LOG_NOTICE format, ##__VA_ARGS__)
#define log_info(format, ...) log_printf(LOG_INFO format, ##__VA_ARGS__)
/* log_debug() should produce zero code if DEBUG is disabled */
#ifndef NDEBUG
#define log_debug(format, ...) log_printf(LOG_DEBUG format, ##__VA_ARGS__)
#else
#define log_debug(format, ...) log_dummy(LOG_DEBUG format, ##__VA_ARGS__)
#endif
#endif /* KMSCON_LOG_H */
|
