// 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();
}
}