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faadda040d
os used to panic (access out of bounds) if executablePath was left empty Fixes #22529 Change-Id: Iead5e60a3b000dbde421a8e8612c3690340879ce Reviewed-on: https://go-review.googlesource.com/127546 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
30 lines
613 B
Go
30 lines
613 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 "errors"
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var executablePath string // set by ../runtime/os_darwin.go
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var initCwd, initCwdErr = Getwd()
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func executable() (string, error) {
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ep := executablePath
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if len(ep) == 0 {
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return ep, errors.New("cannot find executable path")
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}
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if ep[0] != '/' {
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if initCwdErr != nil {
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return ep, initCwdErr
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}
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if len(ep) > 2 && ep[0:2] == "./" {
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// skip "./"
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ep = ep[2:]
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}
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ep = initCwd + "/" + ep
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}
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return ep, nil
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}
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