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/*
* 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>
#include "udev.h"
#include "udev_version.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
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 (0 != strncmp(udev_log_str, UDEV_LOG_DEFAULT, BOOL_SIZE))
return;
va_start(args, format);
vsyslog(level, format, args);
va_end(args);
}
/* each program must declare this variable somewhere */
extern unsigned char logname[42];
#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
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