sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  
sl@0:  SQL server message code maker.
sl@0:  
sl@0:  The function accepts as arguments the server function code, handle type and handle,
sl@0:  and makes from them a 32-bit value, which is used as a function code in RMessage2 objects.
sl@0:  
sl@0:  @param aFunction   function code
sl@0:  @param aHandleType handle type - one of TSqlSrvHandleType enum item values
sl@0:  @param aHandle     handle
sl@0:  
sl@0:  @return The assembled from aFunction, aHandleType and aHandle message code which will be sent
sl@0:  to the SQL server.
sl@0:  
sl@0:  @see RMessage2
sl@0:  @see TSqlSrvFunction
sl@0:  
sl@0:  @internalComponent
sl@0: */
sl@0: inline TInt MakeMsgCode(TSqlSrvFunction aFunction, TSqlSrvHandleType aHandleType, TInt aHandle)
sl@0: 	{
sl@0: 	return (aHandleType | (aHandle << KSqlSrvHandleShiftBits) | aFunction);
sl@0: 	}
sl@0: 
sl@0: ////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: //////////                  Case insensitive string comparisons                                     ////
sl@0: ////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: 
sl@0: /**
sl@0: Used for comparing database names, table names, column names and parameter names when the text encoding is UTF8.
sl@0: 
sl@0: @internalComponent
sl@0: */
sl@0: inline TInt CompareNoCase8(const TDesC8& aLeft, const TDesC8& aRight)
sl@0: 	{
sl@0: 	return aLeft.CompareF(aRight);
sl@0: 	}
sl@0: 	
sl@0: /**
sl@0: Used for comparing database names, table names, column names and parameter names when the text encoding is UTF16.
sl@0: 
sl@0: @internalComponent
sl@0: */
sl@0: inline TInt CompareNoCase16(const TDesC16& aLeft, const TDesC16& aRight)
sl@0: 	{
sl@0: 	return aLeft.CompareF(aRight);
sl@0: 	}
sl@0: 
sl@0: ////////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: //////////                      Buffer alignment functions                                     /////////////
sl@0: ////////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: 
sl@0: /**
sl@0: Returns aLen 8-byte aligned.
sl@0: 
sl@0: @param aLen Length value which needs alignment
sl@0: 
sl@0: @return 8-byte aligned aLen value
sl@0: 
sl@0: @internalComponent
sl@0: */
sl@0: inline TInt AlignedLen8(TInt aLen)
sl@0: 	{
sl@0: 	return (aLen + 7) & (TUint32)~0x07;
sl@0: 	}
sl@0: 	
sl@0: #ifdef _DEBUG
sl@0: /**
sl@0: Returns true if aLen is 8-byte aligned
sl@0: The function is implemented only in _DEBUG releases.
sl@0: 
sl@0: @param aLen Length value which will be checked
sl@0: 
sl@0: @return True if aLen is 8-byte aligned
sl@0: 
sl@0: @internalComponent
sl@0: */
sl@0: inline TBool IsAligned8(TInt aLen)
sl@0: 	{
sl@0: 	return (aLen & 0x07) == 0;	
sl@0: 	}
sl@0: #endif