88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
/*
|
|
* logging.h
|
|
*
|
|
* Simple logging functions that can be compiled away into nothing.
|
|
*
|
|
* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
|
|
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef LOGGING_H
|
|
#define LOGGING_H
|
|
|
|
#define info(format, arg...) do { } while (0)
|
|
#define dbg(format, arg...) do { } while (0)
|
|
#define dbg_parse(format, arg...) do { } while (0)
|
|
#define init_logging(foo) do { } while (0)
|
|
|
|
#ifdef LOG
|
|
#include <stdarg.h>
|
|
#include <unistd.h>
|
|
#include <syslog.h>
|
|
|
|
#undef info
|
|
#define info(format, arg...) \
|
|
do { \
|
|
log_message (LOG_INFO , format , ## arg); \
|
|
} while (0)
|
|
|
|
#ifdef DEBUG
|
|
#undef dbg
|
|
#define dbg(format, arg...) \
|
|
do { \
|
|
log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
|
|
} while (0)
|
|
#endif
|
|
|
|
/* Parser needs it's own debugging statement, we usually don't care about this at all */
|
|
#ifdef DEBUG_PARSER
|
|
#undef dbg_parse
|
|
#define dbg_parse(format, arg...) \
|
|
do { \
|
|
log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
|
|
} while (0)
|
|
#endif
|
|
|
|
/* each program must declare this variable and function somewhere */
|
|
extern unsigned char logname[42];
|
|
extern int log_ok(void);
|
|
|
|
static void log_message (int level, const char *format, ...)
|
|
__attribute__ ((format (printf, 2, 3)));
|
|
static inline void log_message (int level, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (!log_ok())
|
|
return;
|
|
|
|
va_start(args, format);
|
|
vsyslog(level, format, args);
|
|
va_end(args);
|
|
}
|
|
|
|
#undef init_logging
|
|
static inline void init_logging(char *program_name)
|
|
{
|
|
snprintf(logname, 42,"%s[%d]", program_name, getpid());
|
|
openlog(logname, 0, LOG_DAEMON);
|
|
}
|
|
|
|
#endif /* LOG */
|
|
|
|
#endif
|