2017-07-10 21:32:21 +00:00
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/*
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Copyright 2017 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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2018-04-08 21:37:33 +00:00
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// CopyByteSlice returns a copy of the byte slice.
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func CopyByteSlice(in []byte) []byte {
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if in == nil {
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return nil
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}
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out := make([]byte, len(in))
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copy(out, in)
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return out
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}
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// CopyByteSlices returns a copy of the byte slices.
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func CopyByteSlices(in [][]byte) [][]byte {
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if in == nil {
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return nil
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}
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out := make([][]byte, len(in))
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for i := range in {
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out[i] = CopyByteSlice(in[i])
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}
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return out
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}
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2017-07-10 21:32:21 +00:00
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// CopyStrings makes a deep copy of the passed in string slice and returns
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// the copy.
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func CopyStrings(in []string) []string {
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if in == nil {
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return nil
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}
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out := make([]string, len(in))
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copy(out, in)
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return out
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}
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2018-11-20 01:36:19 +00:00
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// ReplaceInSlice replaces element old with new and returns a new slice.
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func ReplaceInSlice(s []string, old string, new string) []string {
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out := make([]string, 0, len(s))
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for _, x := range s {
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if x == old {
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out = append(out, new)
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} else {
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out = append(out, x)
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}
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}
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return out
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}
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