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3a1b40d524
Separate translation units avoids compiler generated CRC tables being linked when not needed. Also only compile once and add to wsjt_cxx library for later link editing. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7631 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
25 lines
669 B
C++
25 lines
669 B
C++
#include <boost/crc.hpp>
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extern "C"
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{
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short crc10 (unsigned char const * data, int length);
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bool crc10_check (unsigned char const * data, int length);
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}
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namespace
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{
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unsigned long constexpr truncated_polynomial = 0x08f;
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}
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// assumes CRC is last 16 bits of the data and is set to zero
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// caller should assign the returned CRC into the message in big endian byte order
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short crc10 (unsigned char const * data, int length)
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{
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return boost::augmented_crc<10, truncated_polynomial> (data, length);
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}
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bool crc10_check (unsigned char const * data, int length)
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{
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return !boost::augmented_crc<10, truncated_polynomial> (data, length);
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}
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