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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* dctrl-tools - Debian control file inspection tools
Copyright © 1999, 2008, 2011 Antti-Juhani Kaijanaho
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.
*/
#ifndef MSG_H__
#define MSG_H__
#include <errno.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "i18n.h"
static void fail(void) __attribute__((noreturn));
static inline
void fail(void) { exit(2); }
/* log levels */
#define L_FATAL 3
#define L_IMPORTANT 2
#define L_INFORMATIONAL 1
#define L_DEBUG 0
#if !defined(NDEBUG) && !defined(TEST_NODEBUG) && defined(ENABLE_L_DEBUG)
# define INCLUDE_DEBUG_MSGS
#endif
inline static int
do_msg(int severity)
{
extern int loglevel;
#if defined(TEST_NODEBUG)
if (severity == L_DEBUG) {
message (L_FATAL, _("I'm broken - please report this bug."), 0, 0);
abort ();
}
#endif
return severity >= loglevel;
}
inline static char const *
get_progname(void)
{
extern char progname [];
return progname;
}
static inline
void record_error(void)
{
extern bool errors;
errors = 1;
}
void
msg_primitive(const char *fname, int line, const char *fmt, va_list ap);
static void
line_message(int severity, const char *fname, int line, const char *fmt, ...)
__attribute__((format(printf,4,5)));
inline static void
line_message(int severity, const char *fname, int line, const char *fmt, ...)
{
if (do_msg(severity)) {
va_list ap;
va_start(ap, fmt);
msg_primitive(fname, line, fmt, ap);
va_end(ap);
if (severity >= L_IMPORTANT) record_error();
}
}
static void
message (int severity, const char * fname, const char * s, ...)
__attribute__((format(printf,3,4)));
inline static void
message (int severity, const char * fname, const char * fmt, ...)
{
if (do_msg(severity)) {
va_list ap;
va_start(ap, fmt);
msg_primitive(fname, 0, fmt, ap);
va_end(ap);
if (severity >= L_IMPORTANT) record_error();
}
}
#ifndef MSG_C__
#undef PROGNAME_MAXLEN
#endif
inline static void
debug_message (const char * s, const char * fname)
{
#ifdef INCLUDE_DEBUG_MSGS
message (L_DEBUG, fname, "%s", s);
#endif
}
static void
debug(const char * s, ...) __attribute__((format(printf, 1, 2)));
inline static void
debug(const char * s, ...)
{
#ifdef INCLUDE_DEBUG_MSGS
if (do_msg(L_DEBUG)) {
va_list va;
va_start(va, s);
fprintf(stderr, "%s: ", get_progname());
vfprintf(stderr, s, va);
fprintf(stderr, "\n");
va_end(va);
}
#endif
}
inline static void
errno_msg(int severity, char const * fname)
{
message(severity, fname, "%s", strerror(errno));
}
#define enomem_msg _("cannot find enough memory")
inline static void
enomem (const char * fname)
{
message (L_IMPORTANT, fname, enomem_msg);
}
inline static void
fatal_enomem (const char * fname)
{
message(L_FATAL, fname, enomem_msg);
fail();
}
#undef enomem_msg
/* Given a string that represents a log level, return the number that
repsesents that loglevel. A negative return value means that the
string is not a valid log level. */
int
str2loglevel (const char * s);
/* Set current log level to ll. */
void
set_loglevel (int ll);
/* Set program name to pn. */
void
msg_set_progname (const char * pn);
/* Return true iff loglevels IMPORTANT or FATAL have been used. */
static inline
bool errors_reported(void)
{
extern bool errors;
return errors;
}
#endif /* MSG_H__ */
|
