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76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/*
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* logging.h
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*
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* Simple logging functions that can be compiled away into nothing.
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*
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* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef LOGGING_H
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#define LOGGING_H
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#define err(format, arg...) do { } while (0)
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#define info(format, arg...) do { } while (0)
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#define dbg(format, arg...) do { } while (0)
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#define logging_init(foo) do { } while (0)
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#define logging_close(foo) do { } while (0)
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#ifdef USE_LOG
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#include <stdarg.h>
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#include <unistd.h>
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#include <syslog.h>
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#undef err
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#define err(format, arg...) \
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do { \
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log_message(LOG_ERR ,"%s: " format ,__FUNCTION__ ,## arg); \
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} while (0)
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#undef info
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#define info(format, arg...) \
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do { \
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log_message(LOG_INFO ,"%s: " format ,__FUNCTION__ ,## arg); \
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} while (0)
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#ifdef DEBUG
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#undef dbg
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#define dbg(format, arg...) \
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do { \
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log_message(LOG_DEBUG ,"%s: " format ,__FUNCTION__ ,## arg); \
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} while (0)
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#endif
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extern void log_message(int priority, const char *format, ...)
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__attribute__ ((format (printf, 2, 3)));
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#undef logging_init
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static inline void logging_init(const char *program_name)
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{
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openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON);
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}
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#undef logging_close
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static inline void logging_close(void)
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{
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closelog();
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}
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#endif /* USE_LOG */
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#endif
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