diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/env_windows.go')
-rw-r--r-- | vendor/golang.org/x/sys/windows/env_windows.go | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/vendor/golang.org/x/sys/windows/env_windows.go b/vendor/golang.org/x/sys/windows/env_windows.go index bdc71e241..f482a9fab 100644 --- a/vendor/golang.org/x/sys/windows/env_windows.go +++ b/vendor/golang.org/x/sys/windows/env_windows.go @@ -6,7 +6,11 @@ package windows -import "syscall" +import ( + "syscall" + "unicode/utf16" + "unsafe" +) func Getenv(key string) (value string, found bool) { return syscall.Getenv(key) @@ -24,6 +28,34 @@ 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) + blockp := uintptr(unsafe.Pointer(block)) + for { + entry := (*[(1 << 30) - 1]uint16)(unsafe.Pointer(blockp))[:] + for i, v := range entry { + if v == 0 { + entry = entry[:i] + break + } + } + if len(entry) == 0 { + break + } + env = append(env, string(utf16.Decode(entry))) + blockp += 2 * (uintptr(len(entry)) + 1) + } + return env, nil +} + func Unsetenv(key string) error { return syscall.Unsetenv(key) } |