sing/common/bufio/zsyscall_windows.go

// Code generated by 'go generate'; DO NOT EDIT.

package bufio

import (
	"syscall"
	"unsafe"

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

var _ unsafe.Pointer

// Do the interface allocations only once for common
// Errno values.
const (
	errnoERROR_IO_PENDING = 997
)

var (
	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
	errERROR_EINVAL     error = syscall.EINVAL
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
	switch e {
	case 0:
		return errERROR_EINVAL
	case errnoERROR_IO_PENDING:
		return errERROR_IO_PENDING
	}
	// TODO: add more here, after collecting data on the common
	// error values see on Windows. (perhaps when running
	// all.bat?)
	return e
}

var (
	modws2_32 = windows.NewLazySystemDLL("ws2_32.dll")

	procrecv = modws2_32.NewProc("recv")
)

func recv(s windows.Handle, buf []byte, flags int32) (n int32, err error) {
	var _p0 *byte
	if len(buf) > 0 {
		_p0 = &buf[0]
	}
	r0, _, e1 := syscall.Syscall6(procrecv.Addr(), 4, uintptr(s), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), uintptr(flags), 0, 0)
	n = int32(r0)
	if n == -1 {
		err = errnoErr(e1)
	}
	return
}