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 | ||
9e42afcd RK |
39 | /** @brief Windows GetLastError/WSAGetLastError return value */ |
40 | ec_windows, | |
41 | ||
92db088e RK |
42 | /** @brief getaddrinfo() return value */ |
43 | ec_getaddrinfo, | |
44 | }; | |
45 | ||
9e42afcd RK |
46 | #if _WIN32 |
47 | # define ec_native ec_windows | |
48 | # define ec_socket ec_windows | |
49 | #else | |
92db088e RK |
50 | # define ec_native ec_errno |
51 | # define ec_socket ec_errno | |
9e42afcd | 52 | #endif |
92db088e RK |
53 | |
54 | void elog(int pri, enum error_class, int errno_value, const char *fmt, va_list ap); | |
460b9539 | 55 | |
9e42afcd | 56 | declspec(noreturn) |
093ec810 | 57 | void disorder_fatal(int errno_value, const char *msg, ...) attribute((noreturn)) |
460b9539 | 58 | attribute((format (printf, 2, 3))); |
9e42afcd | 59 | declspec(noreturn) |
92db088e RK |
60 | void disorder_fatal_ec(enum error_class ec, int errno_value, const char *msg, ...) attribute((noreturn)) |
61 | attribute((format (printf, 3, 4))); | |
093ec810 | 62 | void disorder_error(int errno_value, const char *msg, ...) |
460b9539 | 63 | attribute((format (printf, 2, 3))); |
92db088e RK |
64 | void disorder_error_ec(enum error_class ec, int errno_value, const char *msg, ...) |
65 | attribute((format (printf, 3, 4))); | |
093ec810 | 66 | void disorder_info(const char *msg, ...) |
460b9539 | 67 | attribute((format (printf, 1, 2))); |
093ec810 | 68 | void disorder_debug(const char *msg, ...) |
460b9539 | 69 | attribute((format (printf, 1, 2))); |
70 | /* report a message of the given class. @errno_value@ if present an | |
71 | * non-zero is included. @fatal@ terminates the process. */ | |
72 | ||
92db088e RK |
73 | const char *format_error(enum error_class ec, int err, char buffer[], size_t bufsize); |
74 | ||
460b9539 | 75 | extern int debugging; |
76 | /* set when debugging enabled */ | |
77 | ||
78 | extern void (*exitfn)(int) attribute((noreturn)); | |
79 | /* how to exit the program (for fatal) */ | |
80 | ||
81 | extern const char *progname; | |
82 | /* program name */ | |
83 | ||
cca89d7c RK |
84 | extern struct log_output log_stderr, *log_default; |
85 | #if HAVE_SYSLOG_H | |
86 | extern struct log_output log_syslog; | |
87 | #endif | |
460b9539 | 88 | /* some typical outputs */ |
89 | ||
90 | extern const char *debug_filename; | |
91 | extern int debug_lineno; | |
9d7a6129 | 92 | extern int logdate; |
460b9539 | 93 | |
00682707 RK |
94 | /** @brief Issue a debug message if debugging is turned on |
95 | * @param x Parenthesized debug arguments | |
96 | * | |
97 | * Use in the format: D(("format string", arg, arg, ...)); | |
98 | */ | |
460b9539 | 99 | #define D(x) do { \ |
100 | if(debugging) { \ | |
101 | debug_filename=__FILE__; \ | |
102 | debug_lineno=__LINE__; \ | |
2e9ba080 | 103 | disorder_debug x; \ |
460b9539 | 104 | } \ |
105 | } while(0) | |
106 | ||
107 | #endif /* LOG_H */ | |
108 | ||
109 | /* | |
110 | Local Variables: | |
111 | c-basic-offset:2 | |
112 | comment-column:40 | |
113 | fill-column:79 | |
114 | End: | |
115 | */ |