mirror of
https://github.com/caddyserver/caddy.git
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40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy 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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//go:build !windows
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package caddy
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import (
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"os"
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"path/filepath"
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)
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// FastAbs is an optimized version of filepath.Abs for Unix systems,
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// since we don't expect the working directory to ever change once
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// Caddy is running. Avoid the os.Getwd() syscall overhead.
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// It's overall the same as stdlib's implementation, the difference
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// being cached working directory.
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func FastAbs(path string) (string, error) {
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if filepath.IsAbs(path) {
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return filepath.Clean(path), nil
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}
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if wderr != nil {
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return "", wderr
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}
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return filepath.Join(wd, path), nil
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}
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var wd, wderr = os.Getwd()
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