mdw@git.distorted.org.uk Git - disorder/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	* This file is part of DisOrder.
	3	* Copyright (C) 2004, 2005, 2007-9, 2013 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	/** @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);
	47
	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. */
	62
	63	const char *format_error(enum error_class ec, int err, char buffer[], size_t bufsize);
	64
	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
	74	extern struct log_output log_stderr, *log_default;
	75	#if HAVE_SYSLOG_H
	76	extern struct log_output log_syslog;
	77	#endif
	78	/* some typical outputs */
	79
	80	extern const char *debug_filename;
	81	extern int debug_lineno;
	82	extern int logdate;
	83
	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	*/
	89	#define D(x) do { \
	90	if(debugging) { \
	91	debug_filename=__FILE__; \
	92	debug_lineno=__LINE__; \
	93	disorder_debug x; \
	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	*/