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43 lines
1.5 KiB
43 lines
1.5 KiB
//------------------------------------------------------------------------
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// Copyright (C) Sewell Development Corporation, 1994 - 1998.
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// Web: www.sewelld.com E-mail: [email protected]
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//
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// LICENSE: This source code was generated by CrcGen, a product of Sewell
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// Development Corporation. Paid-up licensees of CrcGen are authorized to
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// use this code on a site-wide basis without restriction as to
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// the type of product it is incorporated in, except that it may not be
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// resold as stand-alone CRC code, and the copyright notice and license
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// agreement must not be removed from the code.
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//------------------------------------------------------------------------
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// Interface definition for 32-bit CRC (cyclic redundancy check) class:
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// Polynomial: 04C11DB7
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// Initial CRC register value: FFFFFFFF
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// Reflected input and output: Yes
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// Inverted final output: Yes
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// CRC of string "123456789": CBF43926
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class Crc32 {
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public:
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explicit
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Crc32() {
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m_crc = 0xFFFFFFFF;
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}
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explicit
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Crc32(unsigned __int32 uiInitialCrc) {
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m_crc = uiInitialCrc;
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}
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Crc32(const void* buffer, unsigned int count) {
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m_crc = 0xFFFFFFFF;
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Compute(buffer, count);
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}
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void Compute(const void* buffer, unsigned int count);
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void Compute(unsigned char value);
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operator unsigned __int32 () const {
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return m_crc ^ 0xFFFFFFFF;
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}
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private:
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unsigned __int32 m_crc;
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};
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