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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __CLOG_H__
#define __CLOG_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef __GNUC__
# define _CLOG_ATTR_NONNULL(args ...) __attribute__((nonnull(args)))
#else
# define _CLOG_ATTR_NONNULL(...)
#endif
#ifdef __GNUC__
# define _CLOG_ATTR_PRINTF_FORMAT(format_param, dots_param) __attribute__((format(printf, format_param, dots_param)))
#else
# define _CLOG_ATTR_PRINTF_FORMAT(format_param, dots_param)
#endif
#if defined(_MSC_VER) && !defined(__func__)
# define __func__MSVC
# define __func__ __FUNCTION__
#endif
#define STRINGIFY_ARG(x) "" #x
#define STRINGIFY_APPEND(a, b) "" a #b
#define STRINGIFY(x) STRINGIFY_APPEND("", x)
struct CLogContext;
/* Don't typedef enums. */
enum CLG_LogFlag {
CLG_FLAG_USE = (1 << 0),
};
enum CLG_Severity {
CLG_SEVERITY_INFO = 0,
CLG_SEVERITY_WARN,
CLG_SEVERITY_ERROR,
CLG_SEVERITY_FATAL,
};
#define CLG_SEVERITY_LEN (CLG_SEVERITY_FATAL + 1)
/* Each logger ID has one of these. */
typedef struct CLG_LogType {
struct CLG_LogType *next;
char identifier[64];
/** FILE output. */
struct CLogContext *ctx;
/** Control behavior. */
int level;
enum CLG_LogFlag flag;
} CLG_LogType;
typedef struct CLG_LogRef {
const char *identifier;
CLG_LogType *type;
} CLG_LogRef;
void CLG_log_str(
CLG_LogType *lg, enum CLG_Severity severity, const char *file_line, const char *fn,
const char *message)
_CLOG_ATTR_NONNULL(1, 3, 4, 5);
void CLG_logf(
CLG_LogType *lg, enum CLG_Severity severity, const char *file_line, const char *fn,
const char *format, ...)
_CLOG_ATTR_NONNULL(1, 3, 4, 5) _CLOG_ATTR_PRINTF_FORMAT(5, 6);
/* Main initializer and distructor (per session, not logger). */
void CLG_init(void);
void CLG_exit(void);
void CLG_output_set(void *file_handle);
void CLG_fatal_fn_set(void (*fatal_fn)(void *file_handle));
void CLG_type_filter(const char *type_filter, int type_filter_len);
void CLG_logref_init(CLG_LogRef *clg_ref);
/** Declare outside function, declare as extern in header. */
#define CLG_LOGREF_DECLARE_GLOBAL(var, id) \
static CLG_LogRef _static_ ## var = {id}; \
CLG_LogRef *var = &_static_ ## var
/** Initialize struct once. */
#define CLOG_ENSURE(clg_ref) \
((clg_ref)->type ? (clg_ref)->type : (CLG_logref_init(clg_ref), (clg_ref)->type))
#define CLOG_AT_SEVERITY(clg_ref, severity, verbose_level, ...) { \
CLG_LogType *_lg_ty = CLOG_ENSURE(clg_ref); \
if (((_lg_ty->flag & CLG_FLAG_USE) && (_lg_ty->level >= verbose_level)) || (severity >= CLG_SEVERITY_WARN)) { \
CLG_logf(_lg_ty, severity, __FILE__ ":" STRINGIFY(__LINE__), __func__, __VA_ARGS__); \
} \
} ((void)0)
#define CLOG_STR_AT_SEVERITY(clg_ref, severity, verbose_level, str) { \
CLG_LogType *_lg_ty = CLOG_ENSURE(clg_ref); \
if (((_lg_ty->flag & CLG_FLAG_USE) && (_lg_ty->level >= verbose_level)) || (severity >= CLG_SEVERITY_WARN)) { \
CLG_log_str(lg, severity, __FILE__ ":" STRINGIFY(__LINE__), __func__, str); \
} \
} ((void)0)
#define CLOG_STR_AT_SEVERITY_N(clg_ref, severity, verbose_level, str) { \
CLG_LogType *_lg_ty = CLOG_ENSURE(clg_ref); \
if (((_lg_ty->flag & CLG_FLAG_USE) && (_lg_ty->level >= verbose_level)) || (severity >= CLG_SEVERITY_WARN)) { \
const char *_str = str; \
CLG_log_str(_lg_ty, severity, __FILE__ ":" STRINGIFY(__LINE__), __func__, _str); \
MEM_freeN((void *)_str); \
} \
} ((void)0)
#define CLOG_INFO(clg_ref, level, ...) CLOG_AT_SEVERITY(clg_ref, CLG_SEVERITY_INFO, level, __VA_ARGS__)
#define CLOG_WARN(clg_ref, ...) CLOG_AT_SEVERITY(clg_ref, CLG_SEVERITY_WARN, 0, __VA_ARGS__)
#define CLOG_ERROR(clg_ref, ...) CLOG_AT_SEVERITY(clg_ref, CLG_SEVERITY_ERROR, 0, __VA_ARGS__)
#define CLOG_FATAL(clg_ref, ...) CLOG_AT_SEVERITY(clg_ref, CLG_SEVERITY_FATAL, 0, __VA_ARGS__)
#define CLOG_STR_INFO(clg_ref, level, ...) CLOG_STR_AT_SEVERITY(clg_ref, CLG_SEVERITY_INFO, level, __VA_ARGS__)
#define CLOG_STR_WARN(clg_ref, ...) CLOG_STR_AT_SEVERITY(clg_ref, CLG_SEVERITY_WARN, 0, __VA_ARGS__)
#define CLOG_STR_ERROR(clg_ref, ...) CLOG_STR_AT_SEVERITY(clg_ref, CLG_SEVERITY_ERROR, 0, __VA_ARGS__)
#define CLOG_STR_FATAL(clg_ref, ...) CLOG_STR_AT_SEVERITY(clg_ref, CLG_SEVERITY_FATAL, 0, __VA_ARGS__)
/* Allocated string which is immediately freed. */
#define CLOG_STR_INFO_N(clg_ref, level, ...) CLOG_STR_AT_SEVERITY_N(clg_ref, CLG_SEVERITY_INFO, level, __VA_ARGS__)
#define CLOG_STR_WARN_N(clg_ref, ...) CLOG_STR_AT_SEVERITY_N(clg_ref, CLG_SEVERITY_WARN, 0, __VA_ARGS__)
#define CLOG_STR_ERROR_N(clg_ref, ...) CLOG_STR_AT_SEVERITY_N(clg_ref, CLG_SEVERITY_ERROR, 0, __VA_ARGS__)
#define CLOG_STR_FATAL_N(clg_ref, ...) CLOG_STR_AT_SEVERITY_N(clg_ref, CLG_SEVERITY_FATAL, 0, __VA_ARGS__)
#ifdef __func__MSVC
# undef __func__MSVC
#endif
#ifdef __cplusplus
}
#endif
#endif /* __CLOG_H__ */
|
