// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// STDIO functions implemented over EPOC32

// 

//

#include <e32std.h>

#include <_ansi.h>

#include <stdio_r.h>

#define UNUSED_VAR(a) a = a

extern "C" {

int e32cvt (char *buf, int buflen, double d, int width, int prec, int /*flags*/, int fchar)

	{

	TPtr8 res((TText8*)buf, buflen);

	TBuf8<0x50> fmt;

	TBool capitalE=EFalse;

	switch(fchar)

	{

	case 'f':

		fchar='f';

		break;

	case 'E':

		capitalE=ETrue;	// and fallthrough

	case 'e':

		fchar='e';

		break;

	case 'G':

		capitalE=ETrue;	// and fallthrough

	case 'g':

		fchar='g';

		break;

	default:

		return 0;

	}

	// construct a format string for use with TDes::Format - we can't use the

	// VFPRINTF original because it doesn't quite match and it might involve '*'

	// to read field widths from VFPRINTF arguments.

	fmt.Zero();

	fmt.Append('%');

	// flags?

	if (width)

		fmt.AppendNum(width);

	if (prec>=0)

		{

		fmt.Append('.');

		fmt.AppendNum(prec);

		}

	fmt.Append(fchar);

	TRAPD(r,res.Format(fmt,d));

    UNUSED_VAR(r);

	if (capitalE)

		{

		TInt pos=res.Locate('e');

		if (pos!=KErrNotFound)

			res[pos]='E';

		}

	return res.Length();

	}

}