1// Code generated by 'go generate'; DO NOT EDIT.
 2
 3package windows
 4
 5import (
 6	"syscall"
 7	"unsafe"
 8)
 9
10var _ unsafe.Pointer
11
12// Do the interface allocations only once for common
13// Errno values.
14const (
15	errnoERROR_IO_PENDING = 997
16)
17
18var (
19	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
20	errERROR_EINVAL     error = syscall.EINVAL
21)
22
23// errnoErr returns common boxed Errno values, to prevent
24// allocations at runtime.
25func errnoErr(e syscall.Errno) error {
26	switch e {
27	case 0:
28		return errERROR_EINVAL
29	case errnoERROR_IO_PENDING:
30		return errERROR_IO_PENDING
31	}
32	// TODO: add more here, after collecting data on the common
33	// error values see on Windows. (perhaps when running
34	// all.bat?)
35	return e
36}
37
38var (
39	modkernel32 = NewLazySystemDLL("kernel32.dll")
40
41	procFlushConsoleInputBuffer       = modkernel32.NewProc("FlushConsoleInputBuffer")
42	procGetNumberOfConsoleInputEvents = modkernel32.NewProc("GetNumberOfConsoleInputEvents")
43	procPeekConsoleInputW             = modkernel32.NewProc("PeekConsoleInputW")
44	procReadConsoleInputW             = modkernel32.NewProc("ReadConsoleInputW")
45)
46
47func FlushConsoleInputBuffer(console Handle) (err error) {
48	r1, _, e1 := syscall.Syscall(procFlushConsoleInputBuffer.Addr(), 1, uintptr(console), 0, 0)
49	if r1 == 0 {
50		err = errnoErr(e1)
51	}
52	return
53}
54
55func GetNumberOfConsoleInputEvents(console Handle, numevents *uint32) (err error) {
56	r1, _, e1 := syscall.Syscall(procGetNumberOfConsoleInputEvents.Addr(), 2, uintptr(console), uintptr(unsafe.Pointer(numevents)), 0)
57	if r1 == 0 {
58		err = errnoErr(e1)
59	}
60	return
61}
62
63func PeekConsoleInput(console Handle, buf *InputRecord, toread uint32, read *uint32) (err error) {
64	r1, _, e1 := syscall.Syscall6(procPeekConsoleInputW.Addr(), 4, uintptr(console), uintptr(unsafe.Pointer(buf)), uintptr(toread), uintptr(unsafe.Pointer(read)), 0, 0)
65	if r1 == 0 {
66		err = errnoErr(e1)
67	}
68	return
69}
70
71func ReadConsoleInput(console Handle, buf *InputRecord, toread uint32, read *uint32) (err error) {
72	r1, _, e1 := syscall.Syscall6(procReadConsoleInputW.Addr(), 4, uintptr(console), uintptr(unsafe.Pointer(buf)), uintptr(toread), uintptr(unsafe.Pointer(read)), 0, 0)
73	if r1 == 0 {
74		err = errnoErr(e1)
75	}
76	return
77}