1 #ifndef foologhfoo 2 #define foologhfoo 3 4 /*** 5 This file is part of avahi. 6 7 avahi is free software; you can redistribute it and/or modify it 8 under the terms of the GNU Lesser General Public License as 9 published by the Free Software Foundation; either version 2.1 of the 10 License, or (at your option) any later version. 11 12 avahi is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General 15 Public License for more details. 16 17 You should have received a copy of the GNU Lesser General Public 18 License along with avahi; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 20 USA. 21 ***/ 22 23 #include <stdarg.h> 24 25 #include <avahi-common/cdecl.h> 26 #include <avahi-common/gccmacro.h> 27 28 /** \file log.h Extensible logging subsystem */ 29 30 AVAHI_C_DECL_BEGIN 31 32 /** Log level for avahi_log_xxx() */ 33 typedef enum { 34 AVAHI_LOG_ERROR = 0, /**< Error messages */ 35 AVAHI_LOG_WARN = 1, /**< Warning messages */ 36 AVAHI_LOG_NOTICE = 2, /**< Notice messages */ 37 AVAHI_LOG_INFO = 3, /**< Info messages */ 38 AVAHI_LOG_DEBUG = 4, /**< Debug messages */ 39 AVAHI_LOG_LEVEL_MAX 40 } AvahiLogLevel; 41 42 /** Prototype for a user supplied log function */ 43 typedef void (*AvahiLogFunction)(AvahiLogLevel level, const char *txt); 44 45 /** Set a user supplied log function, replacing the default which 46 * prints to log messages unconditionally to STDERR. Pass NULL for 47 * resetting to the default log function */ 48 void avahi_set_log_function(AvahiLogFunction function); 49 50 /** Issue a log message using a va_list object */ 51 void avahi_log_ap(AvahiLogLevel level, const char *format, va_list ap); 52 53 /** Issue a log message by passing a log level and a format string */ 54 void avahi_log(AvahiLogLevel level, const char*format, ...) AVAHI_GCC_PRINTF_ATTR23; 55 56 /** Shortcut for avahi_log(AVAHI_LOG_ERROR, ...) */ 57 void avahi_log_error(const char*format, ...) AVAHI_GCC_PRINTF_ATTR12; 58 59 /** Shortcut for avahi_log(AVAHI_LOG_WARN, ...) */ 60 void avahi_log_warn(const char*format, ...) AVAHI_GCC_PRINTF_ATTR12; 61 62 /** Shortcut for avahi_log(AVAHI_LOG_NOTICE, ...) */ 63 void avahi_log_notice(const char*format, ...) AVAHI_GCC_PRINTF_ATTR12; 64 65 /** Shortcut for avahi_log(AVAHI_LOG_INFO, ...) */ 66 void avahi_log_info(const char*format, ...) AVAHI_GCC_PRINTF_ATTR12; 67 68 /** Shortcut for avahi_log(AVAHI_LOG_DEBUG, ...) */ 69 void avahi_log_debug(const char*format, ...) AVAHI_GCC_PRINTF_ATTR12; 70 71 AVAHI_C_DECL_END 72 73 #endif 74