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dnscrypt-proxy/vendor/github.com/kardianos/osext/osext_procfs.go
2018-01-17 11:28:43 +01:00

37 lines
945 B
Go

// Copyright 2012 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.
// +build !go1.8,android !go1.8,linux !go1.8,netbsd !go1.8,solaris !go1.8,dragonfly
package osext
import (
"errors"
"fmt"
"os"
"runtime"
"strings"
)
func executable() (string, error) {
switch runtime.GOOS {
case "linux", "android":
const deletedTag = " (deleted)"
execpath, err := os.Readlink("/proc/self/exe")
if err != nil {
return execpath, err
}
execpath = strings.TrimSuffix(execpath, deletedTag)
execpath = strings.TrimPrefix(execpath, deletedTag)
return execpath, nil
case "netbsd":
return os.Readlink("/proc/curproc/exe")
case "dragonfly":
return os.Readlink("/proc/curproc/file")
case "solaris":
return os.Readlink(fmt.Sprintf("/proc/%d/path/a.out", os.Getpid()))
}
return "", errors.New("ExecPath not implemented for " + runtime.GOOS)
}