| | 1 | /* |
| | 2 | * This file is part of DisOrder. |
| | 3 | * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell |
| | 4 | * |
| | 5 | * This program is free software: you can redistribute it and/or modify |
| | 6 | * it under the terms of the GNU General Public License as published by |
| | 7 | * the Free Software Foundation, either version 3 of the License, or |
| | 8 | * (at your option) any later version. |
| | 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 | * |
| | 15 | * You should have received a copy of the GNU General Public License |
| | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | 17 | */ |
| | 18 | /** @file lib/log.h |
| | 19 | * @brief Errors and logging |
| | 20 | */ |
| | 21 | |
| | 22 | #ifndef LOG_H |
| | 23 | #define LOG_H |
| | 24 | |
| | 25 | #include <stdarg.h> |
| | 26 | |
| | 27 | struct log_output; |
| | 28 | |
| | 29 | void set_progname(char **argv); |
| | 30 | |
| | 31 | void elog(int pri, int errno_value, const char *fmt, va_list ap); |
| | 32 | |
| | 33 | void disorder_fatal(int errno_value, const char *msg, ...) attribute((noreturn)) |
| | 34 | attribute((format (printf, 2, 3))); |
| | 35 | void disorder_error(int errno_value, const char *msg, ...) |
| | 36 | attribute((format (printf, 2, 3))); |
| | 37 | void disorder_info(const char *msg, ...) |
| | 38 | attribute((format (printf, 1, 2))); |
| | 39 | void disorder_debug(const char *msg, ...) |
| | 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 | |
| | 44 | extern int debugging; |
| | 45 | /* set when debugging enabled */ |
| | 46 | |
| | 47 | extern void (*exitfn)(int) attribute((noreturn)); |
| | 48 | /* how to exit the program (for fatal) */ |
| | 49 | |
| | 50 | extern const char *progname; |
| | 51 | /* program name */ |
| | 52 | |
| | 53 | extern struct log_output log_stderr, log_syslog, *log_default; |
| | 54 | /* some typical outputs */ |
| | 55 | |
| | 56 | extern const char *debug_filename; |
| | 57 | extern int debug_lineno; |
| | 58 | extern int logdate; |
| | 59 | |
| | 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 | */ |
| | 65 | #define D(x) do { \ |
| | 66 | if(debugging) { \ |
| | 67 | debug_filename=__FILE__; \ |
| | 68 | debug_lineno=__LINE__; \ |
| | 69 | disorder_debug x; \ |
| | 70 | } \ |
| | 71 | } while(0) |
| | 72 | |
| | 73 | #endif /* LOG_H */ |
| | 74 | |
| | 75 | /* |
| | 76 | Local Variables: |
| | 77 | c-basic-offset:2 |
| | 78 | comment-column:40 |
| | 79 | fill-column:79 |
| | 80 | End: |
| | 81 | */ |
~mdw / disorder / blame_incremental