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

32 lines
946 B
Go

/*
* Mini Object Storage, (C) 2014 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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)))
}