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343f7242f3
Update source code files that were missing or had incorrect license headers. For those that had the incorrect license, set the date to 2025. Signed-off-by: Ivan Valdes <ivan@vald.es>
42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
// Copyright 2025 The etcd Authors
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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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// Package pathutil implements utility functions for handling slash-separated
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// paths.
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package pathutil
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import "path"
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// CanonicalURLPath returns the canonical url path for p, which follows the rules:
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// 1. the path always starts with "/"
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// 2. replace multiple slashes with a single slash
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// 3. replace each '.' '..' path name element with equivalent one
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// 4. keep the trailing slash
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// The function is borrowed from stdlib http.cleanPath in server.go.
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func CanonicalURLPath(p string) string {
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if p == "" {
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return "/"
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}
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if p[0] != '/' {
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p = "/" + p
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}
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np := path.Clean(p)
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// path.Clean removes trailing slash except for root,
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// put the trailing slash back if necessary.
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if p[len(p)-1] == '/' && np != "/" {
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np += "/"
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}
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return np
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}
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