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57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 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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import (
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"path/filepath"
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"runtime"
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"strings"
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)
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// preparePath rewrites path to handle any OS specific details.
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func preparePath(path string) string {
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if runtime.GOOS == "windows" {
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// Microsoft Windows supports long path names using
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// uniform naming convention (UNC).
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return UNCPath(path)
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}
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return path
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}
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// UNCPath converts a absolute windows path to a UNC long path.
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func UNCPath(path string) string {
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// Clean the path for any trailing "/".
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path = filepath.Clean(path)
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// UNC can NOT use "/", so convert all to "\".
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path = filepath.FromSlash(path)
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// If prefix is "\\", we already have a UNC path or server.
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if strings.HasPrefix(path, `\\`) {
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// If already long path, just keep it
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if strings.HasPrefix(path, `\\?\`) {
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return path
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}
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// Trim "\\" from path and add UNC prefix.
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return `\\?\UNC\` + strings.TrimPrefix(path, `\\`)
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}
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path = `\\?\` + path
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return path
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}
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