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byteslice.go
48 lines (43 loc) · 1.17 KB
/
byteslice.go
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// Copyright 2017 Monax Industries Limited
//
// 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 binary
func Fingerprint(slice []byte) []byte {
fingerprint := make([]byte, 6)
copy(fingerprint, slice)
return fingerprint
}
func IsZeros(slice []byte) bool {
for _, byt := range slice {
if byt != byte(0) {
return false
}
}
return true
}
func RightPadBytes(slice []byte, l int) []byte {
if l < len(slice) {
return slice
}
padded := make([]byte, l)
copy(padded[0:len(slice)], slice)
return padded
}
func LeftPadBytes(slice []byte, l int) []byte {
if l < len(slice) {
return slice
}
padded := make([]byte, l)
copy(padded[l-len(slice):], slice)
return padded
}