examples/SysLibs/ResourceFiles/SigCheck/SigCheck.cpp

00001 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
00002 // All rights reserved.
00003 // This component and the accompanying materials are made available
00004 // under the terms of "Eclipse Public License v1.0"
00005 // which accompanies this distribution, and is available
00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
00007 //
00008 // Initial Contributors:
00009 // Nokia Corporation - initial contribution.
00010 //
00011 // Contributors:
00012 //
00013 // Description:
00014 // This example, shows how the signature of a resource file is
00015 // checked before it is used.
00016 //
00017 
00018 
00019 #include "CommonToResourceFilesEx.h"
00020 #include <sigcheck.rsg> // resources
00021 
00022 
00023 // Do the example
00024 LOCAL_C void doExampleL()
00025     {
00026         _LIT(KFormat,"%S\n");
00027 
00028                 // Pointer to a resource file
00029         RResourceFile resourceFile; 
00030                 // open resource file on the emulator(__WINS__  is defined for the Windows emulator)
00031                 //(leave if error)
00032         #if defined(__WINS__)
00033         _LIT(KZSystemDataSigRsc,"Z:\\Resource\\apps\\SigCheck.rsc");
00034         resourceFile.OpenL(fsSession, KZSystemDataSigRsc);
00035         #endif
00036 
00037                 // open a resource file on the target phone
00038                 // ( __EPOC32__ is defined for all target hardware platforms regardless of processor type/hardware architecture)
00039         #if defined(__EPOC32__)
00040         _LIT(KCSystemDataSigRsc,"Z:\\Resource\\apps\\SigCheck.rsc");
00041         resourceFile.OpenL(fsSession, KCSystemDataSigRsc);
00042         #endif
00043                 // check resource file signature
00044         TInt version=23; // version 023
00045         resourceFile.ConfirmSignatureL(version);
00046 
00047                 // confirm, and leave if error
00048                 // read resource from file
00049         HBufC8* dataBuffer=resourceFile.AllocReadLC(R_BASE_HELLO);
00050         TResourceReader reader;
00051         reader.SetBuffer(dataBuffer);
00052         TPtrC textdata = reader.ReadTPtrC();
00053                 // write string to test console
00054         console->Printf(KFormat, &textdata);
00055                 // clean up data buffer
00056         CleanupStack::PopAndDestroy(); // finished with dataBuffer
00057                 // close resource file
00058         resourceFile.Close(); // finished with resourceFile
00059         }
00060
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Copyright ©2010 Nokia Corporation and/or its subsidiary(-ies).
All rights reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License v1.0.