From cb2bc4b34c281cf6ba61fc9723244e591854cd8f Mon Sep 17 00:00:00 2001 From: Simon Rozman Date: Wed, 6 Feb 2019 22:30:14 +0100 Subject: tun_windows: Introduce preliminary TUN interface creation Signed-off-by: Simon Rozman --- tun/ztun_windows.go | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 tun/ztun_windows.go (limited to 'tun/ztun_windows.go') diff --git a/tun/ztun_windows.go b/tun/ztun_windows.go new file mode 100644 index 0000000..9aa6e11 --- /dev/null +++ b/tun/ztun_windows.go @@ -0,0 +1,49 @@ +// Code generated by 'go generate'; DO NOT EDIT. + +package tun + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +var _ unsafe.Pointer + +// Do the interface allocations only once for common +// Errno values. +const ( + errnoERROR_IO_PENDING = 997 +) + +var ( + errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return nil + case errnoERROR_IO_PENDING: + return errERROR_IO_PENDING + } + // TODO: add more here, after collecting data on the common + // error values see on Windows. (perhaps when running + // all.bat?) + return e +} + +var ( + modole32 = windows.NewLazySystemDLL("ole32.dll") + + procCLSIDFromString = modole32.NewProc("CLSIDFromString") +) + +func clsidFromString(lpsz *uint16, pclsid *windows.GUID) (hr int32) { + r0, _, _ := syscall.Syscall(procCLSIDFromString.Addr(), 2, uintptr(unsafe.Pointer(lpsz)), uintptr(unsafe.Pointer(pclsid)), 0) + hr = int32(r0) + return +} -- cgit v1.2.3-59-g8ed1b