libgo/go/os/executable_solaris.go

   1 // Copyright 2016 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package os
   6
   7 import (
   8         "syscall"
   9         _ "unsafe" // for go:linkname
  10 )
  11
  12 // solarisExecutablePath is defined in the runtime package.
  13 func solarisExecutablePath() string
  14
  15 var initCwd, initCwdErr = Getwd()
  16
  17 func executable() (string, error) {
  18         path := solarisExecutablePath()
  19         if len(path) == 0 {
  20                 path, err := syscall.Getexecname()
  21                 if err != nil {
  22                         return path, err
  23                 }
  24         }
  25         if len(path) > 0 && path[0] != '/' {
  26                 if initCwdErr != nil {
  27                         return path, initCwdErr
  28                 }
  29                 if len(path) > 2 && path[0:2] == "./" {
  30                         // skip "./"
  31                         path = path[2:]
  32                 }
  33                 return initCwd + "/" + path, nil
  34         }
  35         return path, nil
  36 }