/* * 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 err(format, arg...) do { } while (0) #define info(format, arg...) do { } while (0) #define dbg(format, arg...) do { } while (0) #define logging_init(foo) do { } while (0) #define logging_close(foo) do { } while (0) #ifdef USE_LOG #include <stdarg.h> #include <unistd.h> #include <syslog.h> #undef err #define err(format, arg...) \ do { \ log_message(LOG_INFO ,"%s: " format ,__FILE__ ,## arg); \ } while (0) #undef info #define info(format, arg...) \ do { \ log_message(LOG_INFO ,"%s: " format ,__FILE__ ,## arg); \ } while (0) #ifdef DEBUG #undef dbg #define dbg(format, arg...) \ do { \ log_message(LOG_DEBUG ,"%s: " format ,__FUNCTION__ ,## arg); \ } while (0) #endif extern void log_message(int priority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); #undef logging_init static inline void logging_init(const char *program_name) { openlog(program_name, LOG_PID, LOG_DAEMON); } #undef logging_close static inline void logging_close(void) { closelog(); } #endif /* USE_LOG */ #endif