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minio/pkg/utils/checksum/crc32c/crc32c_intel_linux.go

29 lines
840 B

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Golang project:
// https://github.com/golang/go/blob/master/LICENSE
// Using this part of Minio codebase under the license
// Apache License Version 2.0 with modifications
// Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32,
// checksum. See http://en.wikipedia.org/wiki/Cyclic_redundancy_check for
// information.
package crc32c
// #include <stdint.h>
// uint32_t crc32c_pcl(uint8_t *buf, int32_t len, uint32_t prev_crc);
import "C"
import (
"unsafe"
)
func updateCastanagoliPCL(crc uint32, p []byte) uint32 {
if len(p) == 0 {
return 0
}
return uint32(C.crc32c_pcl((*C.uint8_t)(unsafe.Pointer(&p[0])), C.int32_t(len(p)), C.uint32_t(crc)))
}