userlibandfileserver/fileserver/shostmassstorage/server/shared/mscutils.inl
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/shostmassstorage/server/shared/mscutils.inl	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,117 @@
+// 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 the License "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:
+//
+
+/**
+ @file
+ @internalTechnology
+ 
+ Gets a 32-bit integer value which is in big-endian format from a byte stream.
+ 
+ @param aPtr A pointer to a byte stream.
+ @return A 32-bit long integer value in native machine format.
+ 
+*/
+inline TUint32 BigEndian::Get32(const TUint8 *aPtr)
+    {
+    return (aPtr[0]<<24) | (aPtr[1]<<16) | (aPtr[2]<<8) | aPtr[3];
+    }
+
+/**
+    Inserts a 32-bit value into a byte stream in big-endian format.
+
+    @param aPtr A pointer to a byte stream.
+    @param aVal A 32-bit long integer value in native machine format.
+ */
+inline void BigEndian::Put32(TUint8 *aPtr, TUint32 aVal)
+    {
+    aPtr[0] = aVal >> 24;
+    aPtr[1] = (aVal >> 16) & 0xff;
+    aPtr[2] = (aVal >> 8) & 0xff;
+    aPtr[3] = aVal & 0xff;
+    }
+/**
+    Gets a 16-bit value integer which is in big-endian format from a byte stream.
+
+    @param aPtr A pointer to a byte stream.
+    @return A 16-bit long integer value in native machine format.
+ */
+inline TUint16 BigEndian::Get16(const TUint8 *aPtr)
+    {
+    return (aPtr[0]<<8) | aPtr[1];
+    }
+/**
+    Inserts a 16-bit value into a byte stream in big-endian format.
+
+    @param aPtr A pointer to a byte stream.
+    @param aVal A 16-bit long integer value in native machine format.
+ */
+inline void BigEndian::Put16(TUint8 *aPtr, TUint16 aVal)
+    {
+    aPtr[0] = aVal >> 8;
+    aPtr[1] = aVal & 0xff;
+    }
+
+
+
+/**
+    Gets a 32-bit integer value which is in little-endian format from a byte
+    stream.
+
+    @param aPtr A pointer to a byte stream.
+    @return A 32-bit long integer value in native machine format.
+ */
+inline TUint32 LittleEndian::Get32(const TUint8 *aPtr)
+    {
+    return (aPtr[3]<<24) | (aPtr[2]<<16) | (aPtr[1]<<8) | aPtr[0];
+    }
+
+/**
+    Inserts a 32-bit value into a byte stream in little-endian format.
+
+    @param aPtr A pointer to a byte stream.
+    @param aVal A 32-bit long integer value in native machine format.
+ */
+inline void LittleEndian::Put32(TUint8 *aPtr, TUint32 aVal)
+    {
+    aPtr[3] = aVal >> 24;
+    aPtr[2] = (aVal >> 16) & 0xff;
+    aPtr[1] = (aVal >> 8) & 0xff;
+    aPtr[0] = aVal & 0xff;
+    }
+/**
+    Gets a 16-bit value integer which is in little-endian format from a byte
+    stream.
+
+    @param aPtr A pointer to a byte stream.
+    @return A 16-bit long integer value in native machine format.
+ */
+inline TUint16 LittleEndian::Get16(const TUint8 *aPtr)
+    {
+    return (aPtr[1]<<8) | aPtr[0];
+    }
+/**
+    Inserts a 16-bit value into a byte stream in little-endian format.
+
+    @param aPtr A pointer to a byte stream.
+    @param aVal A 16-bit long integer value in native machine format.
+ */
+inline void LittleEndian::Put16(TUint8 *aPtr, TUint16 aVal)
+    {
+    aPtr[1] = aVal >> 8;
+    aPtr[0] = aVal & 0xff;
+    }
+
+
+