OWTrace.h

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/*  OWTrace.h - tracing macros.
    Copyright (C) 2001-2004 Mark Weaver
    Written by Mark Weaver <mark@npsl.co.uk>

    Part of the Open-Win32 library.
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the
    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA  02111-1307, USA.
*/

#ifndef OW32_OWTrace_h
#define OW32_OWTrace_h

#ifdef _DEBUG

#include <cstdarg>
#include <cstdio>
#include <tchar.h>

namespace OW32
{

inline void OWTrace(LPCTSTR lpszFormat, ...)
{
    va_list vap;
    TCHAR szTraceBuffer[8192];

    va_start(vap, lpszFormat);
    _vsntprintf(szTraceBuffer, sizeof(szTraceBuffer)/sizeof(szTraceBuffer[0]), lpszFormat, vap);
    szTraceBuffer[sizeof(szTraceBuffer)/sizeof(szTraceBuffer[0]) - 1] = _T('\0');
    OutputDebugString(szTraceBuffer);
    va_end(vap);
}

};

#else

namespace OW32
{

inline void OWTrace(LPCTSTR, ...) 
{
}

};

#endif

#define OWTRACE OW32::OWTrace

#endif // OW32_OWTrace_h

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