2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007-9, 2013 Richard Kettlewell
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.
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.
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/>.
19 * @brief Errors and logging
29 void set_progname(char **argv);
31 /** @brief Possible error number spaces */
33 /** @brief Invalid number space */
36 /** @brief @c errno number space */
39 /** @brief getaddrinfo() return value */
43 # define ec_native ec_errno
44 # define ec_socket ec_errno
46 void elog(int pri, enum error_class, int errno_value, const char *fmt, va_list ap);
48 void disorder_fatal(int errno_value, const char *msg, ...) attribute((noreturn))
49 attribute((format (printf, 2, 3)));
50 void disorder_fatal_ec(enum error_class ec, int errno_value, const char *msg, ...) attribute((noreturn))
51 attribute((format (printf, 3, 4)));
52 void disorder_error(int errno_value, const char *msg, ...)
53 attribute((format (printf, 2, 3)));
54 void disorder_error_ec(enum error_class ec, int errno_value, const char *msg, ...)
55 attribute((format (printf, 3, 4)));
56 void disorder_info(const char *msg, ...)
57 attribute((format (printf, 1, 2)));
58 void disorder_debug(const char *msg, ...)
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. */
63 const char *format_error(enum error_class ec, int err, char buffer[], size_t bufsize);
66 /* set when debugging enabled */
68 extern void (*exitfn)(int) attribute((noreturn));
69 /* how to exit the program (for fatal) */
71 extern const char *progname;
74 extern struct log_output log_stderr, *log_default;
76 extern struct log_output log_syslog;
78 /* some typical outputs */
80 extern const char *debug_filename;
81 extern int debug_lineno;
84 /** @brief Issue a debug message if debugging is turned on
85 * @param x Parenthesized debug arguments
87 * Use in the format: D(("format string", arg, arg, ...));
91 debug_filename=__FILE__; \
92 debug_lineno=__LINE__; \