imgtools/imglib/e32uid/uidcrc.cpp
author Alex Gilkes <alex.gilkes@nokia.com>
Tue, 27 Oct 2009 16:36:35 +0000
changeset 0 044383f39525
child 590 360bd6b35136
permissions -rw-r--r--
Convert Build package from SFL to EPL
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/*
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* Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#if defined(__MSVCDOTNET__) || defined(__TOOLS2__)
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	#include <iostream>
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	using namespace std;
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <e32std.h>
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#include <e32std_private.h>
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#include <e32uid.h>
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// Get round the privateness of the checksum etc.
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// See also PE_TRAN.CPP TE32ImageUids
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class TCheckedUidX : public TCheckedUid
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	{
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public:
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	inline TCheckedUidX(TUint uids[3])
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		: TCheckedUid(TUidType(TUid::Uid(uids[1]),TUid::Uid(uids[2]),TUid::Uid(uids[3]))) 
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		{}
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	inline TUint CRC() 
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		{ return Check(); }
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	};
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int usage()
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	{
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	fprintf(stderr, "uidcrc <uid1> <uid2> <uid3> [ <outputfile> ]\n");
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	return -1;
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	}
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int main(int argc, char* argv[])
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	{
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	if (argc<4 || argc>5)
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		return usage();
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	TUint uids[5];
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	int i=0;
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	for (i=1; i<4; i++)
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		{
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		char* endptr = "failed";
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		uids[i] = strtoul(argv[i],&endptr,0);
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		if (*endptr!='\0')
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			{
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			fprintf(stderr, "invalid uid%d >%s<\n",i,argv[i]);
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			return -1;
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			}
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		}
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	TCheckedUidX checked(uids);
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	uids[4] = checked.CRC();
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	if (argc==5)
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		{
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		FILE* fp=fopen(argv[4], "wb");
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		if (fp==0)
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			{
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			fprintf(stderr, "cannot open %s for writing\n", argv[4]);
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			return -1;
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			}
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		for (i=1; i<5; i++)
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			{
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			TUint word=uids[i];
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			unsigned char bytes[4];
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			bytes[0] = (unsigned char)( word     &0xFF);
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			bytes[1] = (unsigned char)((word>> 8)&0xFF);
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			bytes[2] = (unsigned char)((word>>16)&0xFF);
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			bytes[3] = (unsigned char)((word>>24)&0xFF);
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			fwrite(bytes, 4, 1, fp);
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			}
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		fclose(fp);
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		return 0;
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		}
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	printf("0x%08x 0x%08x 0x%08x 0x%08x\n", uids[1], uids[2], uids[3], uids[4]);
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	return 0;
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	}