golang/src/os/executable_darwin.go

34 lines
675 B
Go

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os
import (
"errors"
_ "unsafe" // for linkname
)
//go:linkname executablePath
var executablePath string // set by ../runtime/os_darwin.go
var initCwd, initCwdErr = Getwd()
func executable() (string, error) {
ep := executablePath
if len(ep) == 0 {
return ep, errors.New("cannot find executable path")
}
if ep[0] != '/' {
if initCwdErr != nil {
return ep, initCwdErr
}
if len(ep) > 2 && ep[0:2] == "./" {
// skip "./"
ep = ep[2:]
}
ep = initCwd + "/" + ep
}
return ep, nil
}