29 lines
840 B
Go
29 lines
840 B
Go
// 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)))
|
|
}
|