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35 lines
977 B
Go
35 lines
977 B
Go
/*
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* Minio Client (C) 2015 Minio, Inc.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 main
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// commonPrefix returns the longest common prefix between two strings.
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func commonPrefix(first, second string) string {
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if first == "" || second == "" {
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return ""
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}
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if first > second {
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// Pick the shorter one for looping.
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first, second = second, first
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}
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for i := range first {
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if first[i] != second[i] {
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return first[:i]
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}
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}
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return first
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}
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