43 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
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//
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// thin-provisioning-tools is free software: you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// thin-provisioning-tools is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with thin-provisioning-tools.  If not, see
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// <http://www.gnu.org/licenses/>.
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#ifndef CHECKSUM_H
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#define CHECKSUM_H
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#include <stdint.h>
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//----------------------------------------------------------------
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namespace base {
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	class crc32c {
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	public:
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		crc32c(uint32_t xor_value);
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		void append(void const *buffer, unsigned len);
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		uint32_t get_sum() const;
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	private:
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		uint32_t xor_value_;
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		uint32_t sum_;
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	};
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}
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//----------------------------------------------------------------
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#endif
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