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windows: add SetStdHandle

Browse Source 
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>
This commit is contained in:
Tamir Duberstein
2017-04-05 12:58:12 -04:00
committed by Alex Brainman
parent ff24cb3cd8
commit f3918c30c5
2 changed files with 14 additions and 0 deletions
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1
windows/syscall_windows.go
View File

@@ -94,6 +94,7 @@ func NewCallbackCDecl(fn interface{}) uintptr
//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)

13
windows/zsyscall_windows.go
View File

@@ -78,6 +78,7 @@ var (
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 @@ func GetStdHandle(stdhandle uint32) (handle Handle, err error) {
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)