mirror of https://go.googlesource.com/go
37 lines
757 B
Go
37 lines
757 B
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package os
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import (
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"syscall"
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_ "unsafe" // for linkname
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)
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//go:linkname executablePath
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var executablePath string // set by sysauxv in ../runtime/os3_solaris.go
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var initCwd, initCwdErr = Getwd()
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func executable() (string, error) {
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path := executablePath
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if len(path) == 0 {
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path, err := syscall.Getexecname()
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if err != nil {
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return path, err
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}
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}
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if len(path) > 0 && path[0] != '/' {
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if initCwdErr != nil {
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return path, initCwdErr
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}
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if len(path) > 2 && path[0:2] == "./" {
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// skip "./"
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path = path[2:]
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}
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return initCwd + "/" + path, nil
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}
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return path, nil
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}
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