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53 lines
703 B
C++
53 lines
703 B
C++
/// \file
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/// \brief \b [Internal] Generates and validates checksums
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///
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/// \note I didn't write this, but took it from http://www.flounder.com/checksum.htm
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///
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#ifndef __CHECKSUM_H
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#define __CHECKSUM_H
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/// Generates and validates checksums
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class CheckSum
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{
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public:
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/// Default constructor
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CheckSum()
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{
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Clear();
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}
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void Clear()
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{
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sum = 0;
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r = 55665;
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c1 = 52845;
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c2 = 22719;
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}
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void Add ( unsigned int w );
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void Add ( unsigned short w );
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void Add ( unsigned char* b, unsigned int length );
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void Add ( unsigned char b );
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unsigned int Get ()
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{
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return sum;
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}
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protected:
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unsigned short r;
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unsigned short c1;
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unsigned short c2;
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unsigned int sum;
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};
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#endif
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