From c0244c2448a5504581ae24e78b5859760b999b8e Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 11 Jun 2005 11:10:57 +0000 Subject: * add logging API and make all code make use of it git-svn-id: file:///home/lennart/svn/public/avahi/trunk@112 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe --- avahi-core/log.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 avahi-core/log.h (limited to 'avahi-core/log.h') diff --git a/avahi-core/log.h b/avahi-core/log.h new file mode 100644 index 0000000..e75b6c0 --- /dev/null +++ b/avahi-core/log.h @@ -0,0 +1,77 @@ +#ifndef foologhfoo +#define foologhfoo + +/* $Id$ */ + +/*** + This file is part of avahi. + + avahi is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + avahi 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 Lesser General + Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with avahi; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#include +#include + +#ifdef __GNUC__ +#define AVAHI_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b))) +#else +/** Macro for usage of GCC's printf compilation warnings */ +#define AVAHI_GCC_PRINTF_ATTR(a,b) +#endif + +#define AVAHI_GCC_PRINTF_ATTR12 AVAHI_GCC_PRINTF_ATTR(1,2) +#define AVAHI_GCC_PRINTF_ATTR23 AVAHI_GCC_PRINTF_ATTR(2,3) + +/** Log level for avahi_log_xxx() */ +typedef enum { + AVAHI_LOG_ERROR = 0, /**< Error messages */ + AVAHI_LOG_WARN = 1, /**< Warning messages */ + AVAHI_LOG_NOTICE = 2, /**< Notice messages */ + AVAHI_LOG_INFO = 3, /**< Info messages */ + AVAHI_LOG_DEBUG = 4, /**< Debug messages */ + AVAHI_LOG_LEVEL_MAX +} AvahiLogLevel; + +/** Prototype for a user supplied log function */ +typedef void (*AvahiLogFunction)(AvahiLogLevel level, const gchar *txt); + +/** Set a user supplied log function, replacing the default which + * prints to log messages unconditionally to STDERR. Pass NULL for + * resetting to the default log function */ +void avahi_set_log_function(AvahiLogFunction function); + +/** Issue a log message using a va_list object */ +void avahi_log_ap(AvahiLogLevel level, const gchar *format, va_list ap); + +/** Issue a log message by passing a log level and a format string */ +void avahi_log(AvahiLogLevel level, const gchar*format, ...) AVAHI_GCC_PRINTF_ATTR23; + +/** Shortcut for avahi_log(AVAHI_LOG_ERROR, ...) */ +void avahi_log_error(const gchar*format, ...) AVAHI_GCC_PRINTF_ATTR12; + +/** Shortcut for avahi_log(AVAHI_LOG_WARN, ...) */ +void avahi_log_warn(const gchar*format, ...) AVAHI_GCC_PRINTF_ATTR12; + +/** Shortcut for avahi_log(AVAHI_LOG_NOTICE, ...) */ +void avahi_log_notice(const gchar*format, ...) AVAHI_GCC_PRINTF_ATTR12; + +/** Shortcut for avahi_log(AVAHI_LOG_INFO, ...) */ +void avahi_log_info(const gchar*format, ...) AVAHI_GCC_PRINTF_ATTR12; + +/** Shortcut for avahi_log(AVAHI_LOG_DEBUG, ...) */ +void avahi_log_debug(const gchar*format, ...) AVAHI_GCC_PRINTF_ATTR12; + +#endif -- cgit