1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// Copyright 2010 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.
// Windows environment variables.
package windows
import (
"syscall"
"unsafe"
)
func Getenv(key string) (value string, found bool) {
return syscall.Getenv(key)
}
func Setenv(key, value string) error {
return syscall.Setenv(key, value)
}
func Clearenv() {
syscall.Clearenv()
}
func Environ() []string {
return syscall.Environ()
}
// Returns a default environment associated with the token, rather than the current
// process. If inheritExisting is true, then this environment also inherits the
// environment of the current process.
func (token Token) Environ(inheritExisting bool) (env []string, err error) {
var block *uint16
err = CreateEnvironmentBlock(&block, token, inheritExisting)
if err != nil {
return nil, err
}
defer DestroyEnvironmentBlock(block)
size := unsafe.Sizeof(*block)
for *block != 0 {
// find NUL terminator
end := unsafe.Pointer(block)
for *(*uint16)(end) != 0 {
end = unsafe.Add(end, size)
}
entry := unsafe.Slice(block, (uintptr(end)-uintptr(unsafe.Pointer(block)))/size)
env = append(env, UTF16ToString(entry))
block = (*uint16)(unsafe.Add(end, size))
}
return env, nil
}
func Unsetenv(key string) error {
return syscall.Unsetenv(key)
}
|
