/***************************************************************************
* Name : debug.cpp
* Title : MBX WinCE driver GPE class
* Author(s) : Imagination Technologies
* Created : 6th January 2003
*
* Copyright : 2003 by Imagination Technologies. All rights reserved.
* : No part of this software, either material or conceptual
* : may be copied or distributed, transmitted, transcribed,
* : stored in a retrieval system or translated into any
* : human or computer language in any form by any means,
* : electronic, mechanical, manual or other-wise, or
* : disclosed to third parties without the express written
* : permission of Imagination Technologies Limited, Unit 8,
* : HomePark Industrial Estate, King's Langley, Hertfordshire,
* : WD4 8LZ, U.K.
*
* Description : MBX WinCE driver GPE class.
*
* Platform : WinCE
*
* Modifications:-
* $Log: debug.cpp $
*
*
****************************************************************************/
#include "precomp.h"
//#include "debug.h"
// This constant is the size of the buffer that the printf style formatting
// is done in. Hope nothing overflows this!
#define MESSAGE_BUFFER_SIZE 1024
#ifdef DEBUG
wchar_t szwBuffer[MESSAGE_BUFFER_SIZE] = L"\0";
ULONG ulOffset = 0;
/*****************************************************************************
FUNCTION : Dpf
PURPOSE :
PARAMETERS :
RETURNS :
*****************************************************************************/
void Dpf( LPWSTR pszwFormat, ... )
{
// MessageFunction
// This function formats a message using printf-style formating and
// then spews it out to the debug logging facility.
// Local variables.
va_list Parameters;
if (ulOffset == 0)
{
ulOffset = wsprintf(szwBuffer, L"%s: ", dpCurSettings.lpszName);
}
va_start(Parameters, pszwFormat);
_vsnwprintf(&szwBuffer[ulOffset], MESSAGE_BUFFER_SIZE, pszwFormat, Parameters);
va_end(Parameters);
wcscat(szwBuffer, L"\n");
OutputDebugString( szwBuffer );
}
/*****************************************************************************
FUNCTION : fn_dpf
PURPOSE : Used for tracing calls to the driver
PARAMETERS :
RETURNS :
*****************************************************************************/
#define BUFF_LEN 128
static TCHAR ptszStream[BUFF_LEN];
static char szStore[BUFF_LEN]={0}; // Initialise the first member to 0
static char szNew[BUFF_LEN];
static int nLen=0;
static int nStoreLen=0;
void fn_dpf(PSTR pszFormat, ...)
{
va_list vararg_list;
int nLen;
va_start (vararg_list, pszFormat);
// Note : these are not wide strings
nLen = vsprintf (szNew, pszFormat, vararg_list);
// Accumulate text until cr or overflow.
if (nLen > 0)
{
if ( (szNew[nLen-1] == '\r')
|| (szNew[nLen-1] == '\n')
|| ((nLen+nStoreLen) > BUFF_LEN)
)
{
// Prepare to output
if ((szNew[nLen-1] == '\r') || (szNew[nLen-1] == '\n'))
{
szNew[nLen-1] = '\0';
}
// Combine and widen
nLen = wsprintf( ptszStream, L"%hs%hs", szStore, szNew);
// Flush to output
if (nLen > 0)
{
OutputDebugString( ptszStream );
}
// Start again
nStoreLen=0;
nLen=0;
szStore[0]='\0';
}
else
{
// Save for later
strcat(szStore, szNew);
nStoreLen += nLen;
}
}
va_end(vararg_list);
}
#endif //#ifdef DEBUG
/********************************** end of file ******************************/
