mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-30 07:02:37 +01:00
37 lines
805 B
Go
37 lines
805 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
|
|
|
|
package osext
|
|
|
|
import (
|
|
"syscall"
|
|
"unicode/utf16"
|
|
"unsafe"
|
|
)
|
|
|
|
var (
|
|
kernel = syscall.MustLoadDLL("kernel32.dll")
|
|
getModuleFileNameProc = kernel.MustFindProc("GetModuleFileNameW")
|
|
)
|
|
|
|
// GetModuleFileName() with hModule = NULL
|
|
func executable() (exePath string, err error) {
|
|
return getModuleFileName()
|
|
}
|
|
|
|
func getModuleFileName() (string, error) {
|
|
var n uint32
|
|
b := make([]uint16, syscall.MAX_PATH)
|
|
size := uint32(len(b))
|
|
|
|
r0, _, e1 := getModuleFileNameProc.Call(0, uintptr(unsafe.Pointer(&b[0])), uintptr(size))
|
|
n = uint32(r0)
|
|
if n == 0 {
|
|
return "", e1
|
|
}
|
|
return string(utf16.Decode(b[0:n])), nil
|
|
}
|