examples/SysLibs/ResourceFiles/SigCheck/SigCheck.cpp

00001 /*
00002 Copyright (c) 2000-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
00003 
00004 Redistribution and use in source and binary forms, with or without
00005 modification, are permitted provided that the following conditions are met:
00006 
00007 * Redistributions of source code must retain the above copyright notice, this
00008 � list of conditions and the following disclaimer.
00009 * Redistributions in binary form must reproduce the above copyright notice,
00010 � this list of conditions and the following disclaimer in the documentation
00011 � and/or other materials provided with the distribution.
00012 * Neither the name of Nokia Corporation nor the names of its contributors
00013 � may be used to endorse or promote products derived from this software
00014 � without specific prior written permission.
00015 
00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026 
00027 Description:� 
00028 This example, shows how the signature of a resource file is
00029 checked before it is used.
00030 */
00031 
00032 
00033 
00034 
00035 #include "CommonToResourceFilesEx.h"
00036 #include <sigcheck.rsg> // resources
00037 
00038 
00039 // Do the example
00040 LOCAL_C void doExampleL()
00041     {
00042         _LIT(KFormat,"%S\n");
00043 
00044                 // Pointer to a resource file
00045         RResourceFile resourceFile; 
00046                 // open resource file on the emulator(__WINS__  is defined for the Windows emulator)
00047                 //(leave if error)
00048         #if defined(__WINS__)
00049         _LIT(KZSystemDataSigRsc,"Z:\\Resource\\apps\\SigCheck.rsc");
00050         resourceFile.OpenL(fsSession, KZSystemDataSigRsc);
00051         #endif
00052 
00053                 // open a resource file on the target phone
00054                 // ( __EPOC32__ is defined for all target hardware platforms regardless of processor type/hardware architecture)
00055         #if defined(__EPOC32__)
00056         _LIT(KCSystemDataSigRsc,"Z:\\Resource\\apps\\SigCheck.rsc");
00057         resourceFile.OpenL(fsSession, KCSystemDataSigRsc);
00058         #endif
00059                 // check resource file signature
00060         TInt version=23; // version 023
00061         resourceFile.ConfirmSignatureL(version);
00062 
00063                 // confirm, and leave if error
00064                 // read resource from file
00065         HBufC8* dataBuffer=resourceFile.AllocReadLC(R_BASE_HELLO);
00066         TResourceReader reader;
00067         reader.SetBuffer(dataBuffer);
00068         TPtrC textdata = reader.ReadTPtrC();
00069                 // write string to test console
00070         console->Printf(KFormat, &textdata);
00071                 // clean up data buffer
00072         CleanupStack::PopAndDestroy(); // finished with dataBuffer
00073                 // close resource file
00074         resourceFile.Close(); // finished with resourceFile
00075         }
00076 

Generated by  doxygen 1.6.2