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24 lines
397 B
Go
24 lines
397 B
Go
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// +build linux,amd64
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package crc32c
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// #include "crc32c.h"
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import "C"
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import (
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"errors"
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"unsafe"
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)
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func Crc32c(buffer []byte) (uint32, error) {
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var length = len(buffer)
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if length == 0 {
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return 0, errors.New("Invalid input")
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}
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var cbuf *C.uint8_t
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cbuf = (*C.uint8_t)(unsafe.Pointer(&buffer[0]))
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crc := C.crc32c_pcl(cbuf, C.int32_t(length), C.uint32_t(0))
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return uint32(crc), nil
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}
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