os/ossrv/genericopenlibs/openenvcore/libc/src/strtof.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/strtof.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,53 @@
     1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Name         : strtof.cpp
    1.18 +// Part of      : MRT
    1.19 +// Implementation for wcpcpy API
    1.20 +// Version      : 1.0
    1.21 +//
    1.22 +
    1.23 +
    1.24 + 
    1.25 +
    1.26 +#include <e32math.h>
    1.27 +#include <stdlib.h>
    1.28 +#include <errno.h>
    1.29 +#include <math.h>
    1.30 +
    1.31 +extern "C" {
    1.32 +
    1.33 +EXPORT_C float strtof(const char* s, char** tail)
    1.34 +{
    1.35 +	double d ;
    1.36 +	d = strtod(s, tail);
    1.37 +		
    1.38 +	if ( d > KMaxTReal32 )
    1.39 +	{
    1.40 +		errno = ERANGE;
    1.41 +		return -HUGE_VALF ;
    1.42 +	}
    1.43 +	if ( d < 0.0)
    1.44 +	{
    1.45 +		d *= -1;
    1.46 +		if (d < KMinTReal32)
    1.47 +		{
    1.48 +			errno = ERANGE;
    1.49 +			return HUGE_VALF ;
    1.50 +		}
    1.51 +		d *= -1;
    1.52 +	}		
    1.53 +		return d;
    1.54 +}
    1.55 +
    1.56 +} //extern "C"