// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT

package serial

import (
	"syscall"
	"unsafe"

	"golang.org/x/sys/windows"
)

var _ unsafe.Pointer

var (
	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")

	procRegEnumValueW      = modadvapi32.NewProc("RegEnumValueW")
	procGetCommState       = modkernel32.NewProc("GetCommState")
	procSetCommState       = modkernel32.NewProc("SetCommState")
	procSetCommTimeouts    = modkernel32.NewProc("SetCommTimeouts")
	procEscapeCommFunction = modkernel32.NewProc("EscapeCommFunction")
	procGetCommModemStatus = modkernel32.NewProc("GetCommModemStatus")
)

func regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, value *uint16, valueLen *uint32) (regerrno error) {
	r0, _, _ := syscall.Syscall9(procRegEnumValueW.Addr(), 8, uintptr(key), uintptr(index), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameLen)), uintptr(unsafe.Pointer(reserved)), uintptr(unsafe.Pointer(class)), uintptr(unsafe.Pointer(value)), uintptr(unsafe.Pointer(valueLen)), 0)
	if r0 != 0 {
		regerrno = syscall.Errno(r0)
	}
	return
}

func getCommState(handle syscall.Handle, dcb *dcb) (err error) {
	r1, _, e1 := syscall.Syscall(procGetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
	if r1 == 0 {
		if e1 != 0 {
			err = error(e1)
		} else {
			err = syscall.EINVAL
		}
	}
	return
}

func setCommState(handle syscall.Handle, dcb *dcb) (err error) {
	r1, _, e1 := syscall.Syscall(procSetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
	if r1 == 0 {
		if e1 != 0 {
			err = error(e1)
		} else {
			err = syscall.EINVAL
		}
	}
	return
}

func setCommTimeouts(handle syscall.Handle, timeouts *commTimeouts) (err error) {
	r1, _, e1 := syscall.Syscall(procSetCommTimeouts.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(timeouts)), 0)
	if r1 == 0 {
		if e1 != 0 {
			err = error(e1)
		} else {
			err = syscall.EINVAL
		}
	}
	return
}

func escapeCommFunction(handle syscall.Handle, function uint32) (res bool) {
	r0, _, _ := syscall.Syscall(procEscapeCommFunction.Addr(), 2, uintptr(handle), uintptr(function), 0)
	res = r0 != 0
	return
}

func getCommModemStatus(handle syscall.Handle, bits *uint32) (res bool) {
	r0, _, _ := syscall.Syscall(procGetCommModemStatus.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(bits)), 0)
	res = r0 != 0
	return
}