Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
cca89d7c | 3 | * Copyright (C) 2004, 2005, 2007-9, 2013 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 | ||
27 | struct log_output; | |
28 | ||
29 | void set_progname(char **argv); | |
460b9539 | 30 | |
92db088e RK |
31 | /** @brief Possible error number spaces */ |
32 | enum error_class { | |
33 | /** @brief Invalid number space */ | |
34 | ec_none, | |
35 | ||
36 | /** @brief @c errno number space */ | |
37 | ec_errno, | |
38 | ||
39 | /** @brief getaddrinfo() return value */ | |
40 | ec_getaddrinfo, | |
41 | }; | |
42 | ||
43 | # define ec_native ec_errno | |
44 | # define ec_socket ec_errno | |
45 | ||
46 | void elog(int pri, enum error_class, int errno_value, const char *fmt, va_list ap); | |
460b9539 | 47 | |
093ec810 | 48 | void disorder_fatal(int errno_value, const char *msg, ...) attribute((noreturn)) |
460b9539 | 49 | attribute((format (printf, 2, 3))); |
92db088e RK |
50 | void disorder_fatal_ec(enum error_class ec, int errno_value, const char *msg, ...) attribute((noreturn)) |
51 | attribute((format (printf, 3, 4))); | |
093ec810 | 52 | void disorder_error(int errno_value, const char *msg, ...) |
460b9539 | 53 | attribute((format (printf, 2, 3))); |
92db088e RK |
54 | void disorder_error_ec(enum error_class ec, int errno_value, const char *msg, ...) |
55 | attribute((format (printf, 3, 4))); | |
093ec810 | 56 | void disorder_info(const char *msg, ...) |
460b9539 | 57 | attribute((format (printf, 1, 2))); |
093ec810 | 58 | void disorder_debug(const char *msg, ...) |
460b9539 | 59 | attribute((format (printf, 1, 2))); |
60 | /* report a message of the given class. @errno_value@ if present an | |
61 | * non-zero is included. @fatal@ terminates the process. */ | |
62 | ||
92db088e RK |
63 | const char *format_error(enum error_class ec, int err, char buffer[], size_t bufsize); |
64 | ||
460b9539 | 65 | extern int debugging; |
66 | /* set when debugging enabled */ | |
67 | ||
68 | extern void (*exitfn)(int) attribute((noreturn)); | |
69 | /* how to exit the program (for fatal) */ | |
70 | ||
71 | extern const char *progname; | |
72 | /* program name */ | |
73 | ||
cca89d7c RK |
74 | extern struct log_output log_stderr, *log_default; |
75 | #if HAVE_SYSLOG_H | |
76 | extern struct log_output log_syslog; | |
77 | #endif | |
460b9539 | 78 | /* some typical outputs */ |
79 | ||
80 | extern const char *debug_filename; | |
81 | extern int debug_lineno; | |
9d7a6129 | 82 | extern int logdate; |
460b9539 | 83 | |
00682707 RK |
84 | /** @brief Issue a debug message if debugging is turned on |
85 | * @param x Parenthesized debug arguments | |
86 | * | |
87 | * Use in the format: D(("format string", arg, arg, ...)); | |
88 | */ | |
460b9539 | 89 | #define D(x) do { \ |
90 | if(debugging) { \ | |
91 | debug_filename=__FILE__; \ | |
92 | debug_lineno=__LINE__; \ | |
2e9ba080 | 93 | disorder_debug x; \ |
460b9539 | 94 | } \ |
95 | } while(0) | |
96 | ||
97 | #endif /* LOG_H */ | |
98 | ||
99 | /* | |
100 | Local Variables: | |
101 | c-basic-offset:2 | |
102 | comment-column:40 | |
103 | fill-column:79 | |
104 | End: | |
105 | */ |