/*

* Copyright (c) 1999-2009 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: 

*

*/

#include <iostream>

using namespace std;

#include <stdio.h>

#include <stdlib.h>

#include <e32std.h>

#include <e32std_private.h>

#include <e32uid.h>

// Get round the privateness of the checksum etc.

// See also PE_TRAN.CPP TE32ImageUids

class TCheckedUidX : public TCheckedUid

	{

public:

	inline TCheckedUidX(TUint uids[3])

		: TCheckedUid(TUidType(TUid::Uid(uids[1]),TUid::Uid(uids[2]),TUid::Uid(uids[3]))) 

		{}

	inline TUint CRC() 

		{ return Check(); }

	};

int usage()

	{

	fprintf(stderr, "uidcrc <uid1> <uid2> <uid3> [ <outputfile> ]\n");

	return -1;

	}

int main(int argc, char* argv[])

	{

	if (argc<4 || argc>5)

		return usage();

	TUint uids[5];

	int i=0;

	for (i=1; i<4; i++)

		{

		char* endptr = "failed";

		uids[i] = strtoul(argv[i],&endptr,0);

		if (*endptr!='\0')

			{

			fprintf(stderr, "invalid uid%d >%s<\n",i,argv[i]);

			return -1;

			}

		}

	TCheckedUidX checked(uids);

	uids[4] = checked.CRC();

	if (argc==5)

		{

		FILE* fp=fopen(argv[4], "wb");

		if (fp==0)

			{

			fprintf(stderr, "cannot open %s for writing\n", argv[4]);

			return -1;

			}

		for (i=1; i<5; i++)

			{

			TUint word=uids[i];

			unsigned char bytes[4];

			bytes[0] = (unsigned char)( word     &0xFF);

			bytes[1] = (unsigned char)((word>> 8)&0xFF);

			bytes[2] = (unsigned char)((word>>16)&0xFF);

			bytes[3] = (unsigned char)((word>>24)&0xFF);

			fwrite(bytes, 4, 1, fp);

			}

		fclose(fp);

		return 0;

		}

	printf("0x%08x 0x%08x 0x%08x 0x%08x\n", uids[1], uids[2], uids[3], uids[4]);

	return 0;

	}