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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#ifndef _RTL_LOGFILE_H_
#define _RTL_LOGFILE_H_

#include "sal/config.h"

#include "sal/saldllapi.h"
#include "sal/types.h"

#ifdef __cplusplus
extern "C" {
#endif


/** This function allows to log arbitrary messages even in a product-environment.

    The logfile is created on first access and closed, when the sal-library gets unloaded.
    The file is line buffered. A log file is not created if no log messages are
    written.

    The first time, rtl_logfile_trace is called, it checks for the bootstrap variable
    RTL_LOGFILE. If the variable is not empty, it creates a file with the name
    $(RTL_LOGFILE)_$(PID).log, where $(PID) is the process id of the running process.

    @param pszFormat A format string with fprintf-syntax
    @param ...       An arbitrary number of arguments for fprintf, matching the
                     format string.
*/
SAL_DLLPUBLIC void SAL_CALL rtl_logfile_trace( const sal_Char* pszFormat, ... );

/** Like rtl_logfile_trace, but prefixing every log entry with the current time
    and thread ID.

    @param format
    a format string with fprintf-like syntax

    @param ...
    an arbitrary number of arguments for fprintf, matching the given format
    string

    @since UDK 3.2.0
*/
SAL_DLLPUBLIC void SAL_CALL rtl_logfile_longTrace(char const * format, ...);

/** Return if a log file is written.

    @return true if a log file is written

    @since UDK 3.2.11
*/
SAL_DLLPUBLIC sal_Bool SAL_CALL rtl_logfile_hasLogFile( void );

#ifdef __cplusplus
}
#endif

#ifdef TIMELOG
#define RTL_LOGFILE_TRACE( string )  \
             rtl_logfile_longTrace( "| : %s\n", string )
#define RTL_LOGFILE_TRACE1( frmt, arg1 ) \
             rtl_logfile_longTrace( "| : " ); \
             rtl_logfile_trace( frmt, arg1 ); \
             rtl_logfile_trace( "\n" )

#define RTL_LOGFILE_TRACE2( frmt, arg1 , arg2 ) \
             rtl_logfile_longTrace( "| : " ); \
             rtl_logfile_trace( frmt, arg1 , arg2 ); \
             rtl_logfile_trace( "\n" )
#define RTL_LOGFILE_TRACE3( frmt, arg1 , arg2 , arg3 ) \
             rtl_logfile_longTrace( "| : " ); \
             rtl_logfile_trace( frmt, arg1 , arg2 , arg3 ); \
             rtl_logfile_trace( "\n" )

//  Now the macros with project and author arguments.  The strings
//  are formatted in a way, so that the log file can be parsed by
//  post processing scripts.
#define RTL_LOGFILE_TRACE_AUTHOR( project, author, string )  \
             rtl_logfile_longTrace( "| %s (%s) : %s\n", \
                                project,\
                                author,\
                                string )
#define RTL_LOGFILE_TRACE_AUTHOR1( project, author, frmt, arg1 ) \
             rtl_logfile_longTrace( "| %s (%s) : ", \
                                project,\
                                author );\
             rtl_logfile_trace( frmt, arg1 ); \
             rtl_logfile_trace( "\n" )

#define RTL_LOGFILE_TRACE_AUTHOR2( project, author, frmt, arg1 , arg2 ) \
             rtl_logfile_longTrace( "| %s (%s) : ", \
                                project,\
                                author ); \
             rtl_logfile_trace( frmt, arg1 , arg2 ); \
             rtl_logfile_trace( "\n" )
#define RTL_LOGFILE_TRACE_AUTHOR3( project, author, frmt, arg1 , arg2 , arg3 ) \
             rtl_logfile_longTrace( "| %s (%s) : ", \
                                project,\
                                author ); \
             rtl_logfile_trace( frmt, arg1 , arg2 , arg3 ); \
             rtl_logfile_trace( "\n" )
#else
#define RTL_LOGFILE_TRACE( string )  ((void)0)
#define RTL_LOGFILE_TRACE1( frmt, arg1 ) ((void)0)
#define RTL_LOGFILE_TRACE2( frmt, arg1 , arg2 ) ((void)0)
#define RTL_LOGFILE_TRACE3( frmt, arg1 , arg2 , arg3 ) ((void)0)

#define RTL_LOGFILE_TRACE_AUTHOR( project, author, string )  ((void)0)
#define RTL_LOGFILE_TRACE_AUTHOR1( project, author, frmt, arg1 ) ((void)0)
#define RTL_LOGFILE_TRACE_AUTHOR2( project, author, frmt, arg1 , arg2 ) ((void)0)
#define RTL_LOGFILE_TRACE_AUTHOR3( project, author, frmt, arg1 , arg2 , arg3 ) ((void)0)
#endif // TIMELOG
#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */