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#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 <stdarg.h>
#include <glib.h>
#include <avahi-common/cdecl.h>
/** \file log.h Extensible logging subsystem */
AVAHI_C_DECL_BEGIN
#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;
AVAHI_C_DECL_END
#endif
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