Source file src/os/executable_windows.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		"internal/syscall/windows"
     9		"syscall"
    10	)
    11	
    12	func getModuleFileName(handle syscall.Handle) (string, error) {
    13		n := uint32(1024)
    14		var buf []uint16
    15		for {
    16			buf = make([]uint16, n)
    17			r, err := windows.GetModuleFileName(handle, &buf[0], n)
    18			if err != nil {
    19				return "", err
    20			}
    21			if r < n {
    22				break
    23			}
    24			// r == n means n not big enough
    25			n += 1024
    26		}
    27		return syscall.UTF16ToString(buf), nil
    28	}
    29	
    30	func executable() (string, error) {
    31		return getModuleFileName(0)
    32	}
    33	

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