From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- src/os/sys_windows.go | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/os/sys_windows.go (limited to 'src/os/sys_windows.go') 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) + } + } +} -- cgit v1.2.3