13 lines
399 B
Go
13 lines
399 B
Go
//go:build !amd64
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package checksum
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// Checksum calculates the checksum (as defined in RFC 1071) of the bytes in the
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// given byte array. This function uses an optimized version of the checksum
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// algorithm.
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//
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// The initial checksum must have been computed on an even number of bytes.
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func Checksum(buf []byte, initial uint16) uint16 {
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s, _ := calculateChecksum(buf, false, initial)
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return s
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}
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