windows: add SetStdHandle
https://msdn.microsoft.com/en-us/library/windows/desktop/ms686244(v=vs.85).aspx
Change-Id: If7d460a9fb43767c0a3ee55e86faf3356162c81d
Reviewed-on: https://go-review.googlesource.com/39609
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go
index 7cc7220..99b11fe 100644
--- a/windows/syscall_windows.go
+++ b/windows/syscall_windows.go
@@ -94,6 +94,7 @@
//sys SetFilePointer(handle Handle, lowoffset int32, highoffsetptr *int32, whence uint32) (newlowoffset uint32, err error) [failretval==0xffffffff]
//sys CloseHandle(handle Handle) (err error)
//sys GetStdHandle(stdhandle uint32) (handle Handle, err error) [failretval==InvalidHandle]
+//sys SetStdHandle(stdhandle uint32, handle Handle) (err error)
//sys findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) [failretval==InvalidHandle] = FindFirstFileW
//sys findNextFile1(handle Handle, data *win32finddata1) (err error) = FindNextFileW
//sys FindClose(handle Handle) (err error)
diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go
index 0797ad0..f7bc8d6 100644
--- a/windows/zsyscall_windows.go
+++ b/windows/zsyscall_windows.go
@@ -78,6 +78,7 @@
procSetFilePointer = modkernel32.NewProc("SetFilePointer")
procCloseHandle = modkernel32.NewProc("CloseHandle")
procGetStdHandle = modkernel32.NewProc("GetStdHandle")
+ procSetStdHandle = modkernel32.NewProc("SetStdHandle")
procFindFirstFileW = modkernel32.NewProc("FindFirstFileW")
procFindNextFileW = modkernel32.NewProc("FindNextFileW")
procFindClose = modkernel32.NewProc("FindClose")
@@ -633,6 +634,18 @@
return
}
+func SetStdHandle(stdhandle uint32, handle Handle) (err error) {
+ r1, _, e1 := syscall.Syscall(procSetStdHandle.Addr(), 2, uintptr(stdhandle), uintptr(handle), 0)
+ if r1 == 0 {
+ if e1 != 0 {
+ err = errnoErr(e1)
+ } else {
+ err = syscall.EINVAL
+ }
+ }
+ return
+}
+
func findFirstFile1(name *uint16, data *win32finddata1) (handle Handle, err error) {
r0, _, e1 := syscall.Syscall(procFindFirstFileW.Addr(), 2, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(data)), 0)
handle = Handle(r0)
