chiark / gitweb /
Correct ordering of configuration key table.
[disorder] / lib / log.h
CommitLineData
460b9539 1/*
2 * This file is part of DisOrder.
5aff007d 3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
e7eb3a27
RK
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
132a5a4a
RK
18/** @file lib/log.h
19 * @brief Errors and logging
20 */
460b9539 21
22#ifndef LOG_H
23#define LOG_H
24
460b9539 25#include <stdarg.h>
26
27struct log_output;
28
29void set_progname(char **argv);
460b9539 30
31void elog(int pri, int errno_value, const char *fmt, va_list ap);
460b9539 32
093ec810 33void disorder_fatal(int errno_value, const char *msg, ...) attribute((noreturn))
460b9539 34 attribute((format (printf, 2, 3)));
093ec810 35void disorder_error(int errno_value, const char *msg, ...)
460b9539 36 attribute((format (printf, 2, 3)));
093ec810 37void disorder_info(const char *msg, ...)
460b9539 38 attribute((format (printf, 1, 2)));
093ec810 39void disorder_debug(const char *msg, ...)
460b9539 40 attribute((format (printf, 1, 2)));
41/* report a message of the given class. @errno_value@ if present an
42 * non-zero is included. @fatal@ terminates the process. */
43
44extern int debugging;
45/* set when debugging enabled */
46
47extern void (*exitfn)(int) attribute((noreturn));
48/* how to exit the program (for fatal) */
49
50extern const char *progname;
51/* program name */
52
53extern struct log_output log_stderr, log_syslog, *log_default;
54/* some typical outputs */
55
56extern const char *debug_filename;
57extern int debug_lineno;
9d7a6129 58extern int logdate;
460b9539 59
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60/** @brief Issue a debug message if debugging is turned on
61 * @param x Parenthesized debug arguments
62 *
63 * Use in the format: D(("format string", arg, arg, ...));
64 */
460b9539 65#define D(x) do { \
66 if(debugging) { \
67 debug_filename=__FILE__; \
68 debug_lineno=__LINE__; \
2e9ba080 69 disorder_debug x; \
460b9539 70 } \
71} while(0)
72
73#endif /* LOG_H */
74
75/*
76Local Variables:
77c-basic-offset:2
78comment-column:40
79fill-column:79
80End:
81*/