// distribution boxbackup-0.11.1 (svn version: 2821_2827)
// Box Backup, http://www.boxbackup.org/
// 
// Copyright (c) 2003-2010, Ben Summers and contributors.
// All rights reserved.
// 
// Note that this project uses mixed licensing. Any file with this license
// attached, or where the code LICENSE-DUAL appears on the first line, falls
// under this license. See the file COPYING.txt for more information.
// 
// This file is dual licensed. You may use and distribute it providing that you
// comply EITHER with the terms of the BSD license, OR the GPL license. It is
// not necessary to comply with both licenses, only one.
// 
// The BSD license option follows:
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  
// 3. Neither the name of the Box Backup nor the names of its contributors may
//    be used to endorse or promote products derived from this software without
//    specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// [http://en.wikipedia.org/wiki/BSD_licenses#3-clause_license_.28.22New_BSD_License.22.29]
// 
// The GPL license option follows:
// 
// 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; either version 2
// of the License, or (at your option) any later version.
// 
// 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
// 
// [http://www.gnu.org/licenses/old-licenses/gpl-2.0.html#SEC4]
// --------------------------------------------------------------------------
//
// File
//		Name:    DebugPrintf.cpp
//		Purpose: Implementation of a printf function, to avoid a stdio.h include in Box.h
//		Created: 2003/09/06
//
// --------------------------------------------------------------------------

#ifndef BOX_RELEASE_BUILD

#include "Box.h"

#include <stdio.h>
#include <stdarg.h>

#ifdef WIN32
	#include "emu.h"
#else
	#include <syslog.h>
#endif

#include "MemLeakFindOn.h"

// Use this apparently superflous printf function to avoid having to 
// include stdio.h in every file in the project.

int BoxDebug_printf(const char *format, ...)
{
	va_list ap;
	va_start(ap, format);
	int r = vprintf(format, ap);
	va_end(ap);
	return r;
}


bool BoxDebugTraceOn = true;
bool BoxDebugTraceToStdout = true;
bool BoxDebugTraceToSyslog = false;

int BoxDebugTrace(const char *format, ...)
{
	char text[512];
	int r = 0;
	if(BoxDebugTraceOn || BoxDebugTraceToSyslog)
	{
		va_list ap;
		va_start(ap, format);
		r = vsnprintf(text, sizeof(text), format, ap);
		va_end(ap);
	}

	// Send to stdout if trace is on and std out is enabled
	if(BoxDebugTraceOn && BoxDebugTraceToStdout)
	{
		printf("%s", text);		
	}

	// But tracing to syslog is independent of tracing being on or not
	if(BoxDebugTraceToSyslog)
	{
#ifdef WIN32		
		// Remove trailing '\n', if it's there
		if(r > 0 && text[r-1] == '\n')
		{
			text[r-1] = '\0';
#else
		if(r > 0 && text[r] == '\n')
		{
			text[r] = '\0';
#endif
			--r;
		}
		// Log it
		::syslog(LOG_INFO, "TRACE: %s", text);
	}

	return r;
}


#endif // BOX_RELEASE_BUILD
