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-rw-r--r--src/os/sys_windows.go33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/os/sys_windows.go b/src/os/sys_windows.go
new file mode 100644
index 0000000..72ad90b
--- /dev/null
+++ b/src/os/sys_windows.go
@@ -0,0 +1,33 @@
+// Copyright 2009 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.
+
+package os
+
+import (
+ "internal/syscall/windows"
+ "syscall"
+)
+
+func hostname() (name string, err error) {
+ // Use PhysicalDnsHostname to uniquely identify host in a cluster
+ const format = windows.ComputerNamePhysicalDnsHostname
+
+ n := uint32(64)
+ for {
+ b := make([]uint16, n)
+ err := windows.GetComputerNameEx(format, &b[0], &n)
+ if err == nil {
+ return syscall.UTF16ToString(b[:n]), nil
+ }
+ if err != syscall.ERROR_MORE_DATA {
+ return "", NewSyscallError("ComputerNameEx", err)
+ }
+
+ // If we received an ERROR_MORE_DATA, but n doesn't get larger,
+ // something has gone wrong and we may be in an infinite loop
+ if n <= uint32(len(b)) {
+ return "", NewSyscallError("ComputerNameEx", err)
+ }
+ }
+}