// 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. //go:build linux || netbsd || (js && wasm) // +build linux netbsd js,wasm package os import ( "errors" "runtime" ) func executable() (string, error) { var procfn string switch runtime.GOOS { default: return "", errors.New("Executable not implemented for " + runtime.GOOS) case "linux", "android": procfn = "/proc/self/exe" case "netbsd": procfn = "/proc/curproc/exe" } path, err := Readlink(procfn) // When the executable has been deleted then Readlink returns a // path appended with " (deleted)". return stringsTrimSuffix(path, " (deleted)"), err } // stringsTrimSuffix is the same as strings.TrimSuffix. func stringsTrimSuffix(s, suffix string) string { if len(s) >= len(suffix) && s[len(s)-len(suffix):] == suffix { return s[:len(s)-len(suffix)] } return s }