kesavand | 2cde658 | 2020-06-22 04:56:23 -0400 | [diff] [blame] | 1 | // Copyright 2010 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 | // Windows environment variables. |
| 6 | |
| 7 | package windows |
| 8 | |
| 9 | import ( |
| 10 | "syscall" |
kesavand | 2cde658 | 2020-06-22 04:56:23 -0400 | [diff] [blame] | 11 | "unsafe" |
| 12 | ) |
| 13 | |
| 14 | func Getenv(key string) (value string, found bool) { |
| 15 | return syscall.Getenv(key) |
| 16 | } |
| 17 | |
| 18 | func Setenv(key, value string) error { |
| 19 | return syscall.Setenv(key, value) |
| 20 | } |
| 21 | |
| 22 | func Clearenv() { |
| 23 | syscall.Clearenv() |
| 24 | } |
| 25 | |
| 26 | func Environ() []string { |
| 27 | return syscall.Environ() |
| 28 | } |
| 29 | |
| 30 | // Returns a default environment associated with the token, rather than the current |
| 31 | // process. If inheritExisting is true, then this environment also inherits the |
| 32 | // environment of the current process. |
| 33 | func (token Token) Environ(inheritExisting bool) (env []string, err error) { |
| 34 | var block *uint16 |
| 35 | err = CreateEnvironmentBlock(&block, token, inheritExisting) |
| 36 | if err != nil { |
| 37 | return nil, err |
| 38 | } |
| 39 | defer DestroyEnvironmentBlock(block) |
| 40 | blockp := uintptr(unsafe.Pointer(block)) |
| 41 | for { |
Andrea Campanella | 764f1ed | 2022-03-24 11:46:38 +0100 | [diff] [blame^] | 42 | entry := UTF16PtrToString((*uint16)(unsafe.Pointer(blockp))) |
kesavand | 2cde658 | 2020-06-22 04:56:23 -0400 | [diff] [blame] | 43 | if len(entry) == 0 { |
| 44 | break |
| 45 | } |
Andrea Campanella | 764f1ed | 2022-03-24 11:46:38 +0100 | [diff] [blame^] | 46 | env = append(env, entry) |
kesavand | 2cde658 | 2020-06-22 04:56:23 -0400 | [diff] [blame] | 47 | blockp += 2 * (uintptr(len(entry)) + 1) |
| 48 | } |
| 49 | return env, nil |
| 50 | } |
| 51 | |
| 52 | func Unsetenv(key string) error { |
| 53 | return syscall.Unsetenv(key) |
| 54 | } |