windows: cleanup mkwinsyscall argument list

CL 258038 improperly added a weird custom type to mkwinsyscall, rather
than doing the norm with wrapper functions. So, we revert the change to
mkwinsyscall and add the proper wrapper function to do the type
conversion.

Change-Id: I98134e4ce6bf4b52e1384fe84bddeedb00e18c0b
Reviewed-on: https://go-review.googlesource.com/c/sys/+/268777
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Jason A. Donenfeld
2020-11-10 11:04:08 +01:00
parent 215b40eba5
commit 35f3e6cf4a
3 changed files with 7 additions and 8 deletions

View File

@@ -196,11 +196,6 @@ func (p *Param) SyscallArgList() []string {
s = fmt.Sprintf("unsafe.Pointer(%s)", p.Name)
case t == "bool":
s = p.tmpVar()
case t == "Coord":
// Convert a COORD into a uintptr (by fooling the type system). This code
// assumes the two SHORTs are correctly laid out; the "cast" to uint32 is
// just to get a pointer to pass.
s = fmt.Sprintf("*((*uint32)(unsafe.Pointer(&%s)))", p.Name)
case strings.HasPrefix(t, "[]"):
return []string{
fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.tmpVar()),

View File

@@ -275,7 +275,7 @@ func NewCallbackCDecl(fn interface{}) uintptr {
//sys GetConsoleMode(console Handle, mode *uint32) (err error) = kernel32.GetConsoleMode
//sys SetConsoleMode(console Handle, mode uint32) (err error) = kernel32.SetConsoleMode
//sys GetConsoleScreenBufferInfo(console Handle, info *ConsoleScreenBufferInfo) (err error) = kernel32.GetConsoleScreenBufferInfo
//sys SetConsoleCursorPosition(console Handle, position Coord) (err error) = kernel32.SetConsoleCursorPosition
//sys setConsoleCursorPosition(console Handle, position uint32) (err error) = kernel32.SetConsoleCursorPosition
//sys WriteConsole(console Handle, buf *uint16, towrite uint32, written *uint32, reserved *byte) (err error) = kernel32.WriteConsoleW
//sys ReadConsole(console Handle, buf *uint16, toread uint32, read *uint32, inputControl *byte) (err error) = kernel32.ReadConsoleW
//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot
@@ -1480,3 +1480,7 @@ func getUILanguages(flags uint32, f func(flags uint32, numLanguages *uint32, buf
return languages, nil
}
}
func SetConsoleCursorPosition(console Handle, position Coord) error {
return setConsoleCursorPosition(console, *((*uint32)(unsafe.Pointer(&position))))
}

View File

@@ -2316,8 +2316,8 @@ func ResumeThread(thread Handle) (ret uint32, err error) {
return
}
func SetConsoleCursorPosition(console Handle, position Coord) (err error) {
r1, _, e1 := syscall.Syscall(procSetConsoleCursorPosition.Addr(), 2, uintptr(console), uintptr(*((*uint32)(unsafe.Pointer(&position)))), 0)
func setConsoleCursorPosition(console Handle, position uint32) (err error) {
r1, _, e1 := syscall.Syscall(procSetConsoleCursorPosition.Addr(), 2, uintptr(console), uintptr(position), 0)
if r1 == 0 {
err = errnoErr(e1)
}