1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/userlibandfileserver/fileserver/shostmassstorage/server/shared/mscutils.inl	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,117 @@
     1.4 +// Copyright (c) 2008-2009 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 the License "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 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @internalTechnology
    1.22 + 
    1.23 + Gets a 32-bit integer value which is in big-endian format from a byte stream.
    1.24 + 
    1.25 + @param aPtr A pointer to a byte stream.
    1.26 + @return A 32-bit long integer value in native machine format.
    1.27 + 
    1.28 +*/
    1.29 +inline TUint32 BigEndian::Get32(const TUint8 *aPtr)
    1.30 +    {
    1.31 +    return (aPtr[0]<<24) | (aPtr[1]<<16) | (aPtr[2]<<8) | aPtr[3];
    1.32 +    }
    1.33 +
    1.34 +/**
    1.35 +    Inserts a 32-bit value into a byte stream in big-endian format.
    1.36 +
    1.37 +    @param aPtr A pointer to a byte stream.
    1.38 +    @param aVal A 32-bit long integer value in native machine format.
    1.39 + */
    1.40 +inline void BigEndian::Put32(TUint8 *aPtr, TUint32 aVal)
    1.41 +    {
    1.42 +    aPtr[0] = aVal >> 24;
    1.43 +    aPtr[1] = (aVal >> 16) & 0xff;
    1.44 +    aPtr[2] = (aVal >> 8) & 0xff;
    1.45 +    aPtr[3] = aVal & 0xff;
    1.46 +    }
    1.47 +/**
    1.48 +    Gets a 16-bit value integer which is in big-endian format from a byte stream.
    1.49 +
    1.50 +    @param aPtr A pointer to a byte stream.
    1.51 +    @return A 16-bit long integer value in native machine format.
    1.52 + */
    1.53 +inline TUint16 BigEndian::Get16(const TUint8 *aPtr)
    1.54 +    {
    1.55 +    return (aPtr[0]<<8) | aPtr[1];
    1.56 +    }
    1.57 +/**
    1.58 +    Inserts a 16-bit value into a byte stream in big-endian format.
    1.59 +
    1.60 +    @param aPtr A pointer to a byte stream.
    1.61 +    @param aVal A 16-bit long integer value in native machine format.
    1.62 + */
    1.63 +inline void BigEndian::Put16(TUint8 *aPtr, TUint16 aVal)
    1.64 +    {
    1.65 +    aPtr[0] = aVal >> 8;
    1.66 +    aPtr[1] = aVal & 0xff;
    1.67 +    }
    1.68 +
    1.69 +
    1.70 +
    1.71 +/**
    1.72 +    Gets a 32-bit integer value which is in little-endian format from a byte
    1.73 +    stream.
    1.74 +
    1.75 +    @param aPtr A pointer to a byte stream.
    1.76 +    @return A 32-bit long integer value in native machine format.
    1.77 + */
    1.78 +inline TUint32 LittleEndian::Get32(const TUint8 *aPtr)
    1.79 +    {
    1.80 +    return (aPtr[3]<<24) | (aPtr[2]<<16) | (aPtr[1]<<8) | aPtr[0];
    1.81 +    }
    1.82 +
    1.83 +/**
    1.84 +    Inserts a 32-bit value into a byte stream in little-endian format.
    1.85 +
    1.86 +    @param aPtr A pointer to a byte stream.
    1.87 +    @param aVal A 32-bit long integer value in native machine format.
    1.88 + */
    1.89 +inline void LittleEndian::Put32(TUint8 *aPtr, TUint32 aVal)
    1.90 +    {
    1.91 +    aPtr[3] = aVal >> 24;
    1.92 +    aPtr[2] = (aVal >> 16) & 0xff;
    1.93 +    aPtr[1] = (aVal >> 8) & 0xff;
    1.94 +    aPtr[0] = aVal & 0xff;
    1.95 +    }
    1.96 +/**
    1.97 +    Gets a 16-bit value integer which is in little-endian format from a byte
    1.98 +    stream.
    1.99 +
   1.100 +    @param aPtr A pointer to a byte stream.
   1.101 +    @return A 16-bit long integer value in native machine format.
   1.102 + */
   1.103 +inline TUint16 LittleEndian::Get16(const TUint8 *aPtr)
   1.104 +    {
   1.105 +    return (aPtr[1]<<8) | aPtr[0];
   1.106 +    }
   1.107 +/**
   1.108 +    Inserts a 16-bit value into a byte stream in little-endian format.
   1.109 +
   1.110 +    @param aPtr A pointer to a byte stream.
   1.111 +    @param aVal A 16-bit long integer value in native machine format.
   1.112 + */
   1.113 +inline void LittleEndian::Put16(TUint8 *aPtr, TUint16 aVal)
   1.114 +    {
   1.115 +    aPtr[1] = aVal >> 8;
   1.116 +    aPtr[0] = aVal & 0xff;
   1.117 +    }
   1.118 +
   1.119 +
   1.120 +