diff -r 000000000000 -r 83f4b4db085c toolsandutils/e32tools/checklib/misc/endian.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolsandutils/e32tools/checklib/misc/endian.cpp Tue Feb 02 01:39:43 2010 +0200 @@ -0,0 +1,38 @@ +// Copyright (c) 2008-2009 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: +// Some utility functions for converting between big and little endian. +// +// + +#include "endian.h" + + +uint32_t misc::reverse_bytes(uint32_t n) +{ + unsigned char b0 = (n >> 0*8) & 0xff; + unsigned char b1 = (n >> 1*8) & 0xff; + unsigned char b2 = (n >> 2*8) & 0xff; + unsigned char b3 = (n >> 3*8) & 0xff; + + return (b0 << 3*8) | (b1 << 2*8) | (b2 << 1*8) | (b3 << 0*8); +} + +uint16_t misc::reverse_bytes(uint16_t n) +{ + unsigned char b0 = (n >> 0*8) & 0xff; + unsigned char b1 = (n >> 1*8) & 0xff; + + return (b0 << 1*8) | (b1 << 0*8); +} +