/
bitutil_bytes.go
37 lines (31 loc) · 1.07 KB
/
bitutil_bytes.go
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
//go:build go1.20 || tinygo
package bitutil
import (
"unsafe"
)
func bytesToUint64(b []byte) []uint64 {
if len(b) < uint64SizeBytes {
return nil
}
ptr := unsafe.SliceData(b)
if ptr == nil {
return nil
}
return unsafe.Slice((*uint64)(unsafe.Pointer(ptr)),
len(b)/uint64SizeBytes)
}