/* * 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> #define LOGNAME_SIZE 42 #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 extern void log_message(int level, const char *format, ...) __attribute__ ((format (printf, 2, 3))); /* each program that uses syslog must declare this variable somewhere */ extern unsigned char logname[LOGNAME_SIZE]; #undef init_logging static inline void init_logging(char *program_name) { snprintf(logname, LOGNAME_SIZE,"%s[%d]", program_name, getpid()); openlog(logname, 0, LOG_DAEMON); } #endif /* LOG */ #endif