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// The following is copied from Go 1.17 official implementation.
// 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 && !baremetal
// +build linux,!baremetal
package os
func Executable() (string, error) {
path, err := Readlink("/proc/self/exe")
// 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
}
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