bbe46b8c43
Signed-off-by: haoyun <yun.hao@daocloud.io> Co-authored-by: zounengren <zouyee1989@gmail.com>
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
/*
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Copyright The containerd Authors.
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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 util
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import (
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"encoding/json"
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"errors"
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"fmt"
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)
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// DeepCopy makes a deep copy from src into dst.
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func DeepCopy(dst interface{}, src interface{}) error {
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if dst == nil {
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return errors.New("dst cannot be nil")
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}
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if src == nil {
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return errors.New("src cannot be nil")
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}
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bytes, err := json.Marshal(src)
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if err != nil {
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return fmt.Errorf("unable to marshal src: %w", err)
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}
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err = json.Unmarshal(bytes, dst)
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if err != nil {
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return fmt.Errorf("unable to unmarshal into dst: %w", err)
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}
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return nil
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}
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