if tcpStats != nil {
				return nil, errnoErr(EINVAL)
			}
			tcpStats = (*nwmTCPStatsEntry)(unsafe.Pointer(ptr))
		case nwmIPStatsIdentifier:
		case nwmIPGStatsIdentifier:
		case nwmUDPStatsIdentifier:
		case nwmICMPGStatsEntry:
		case nwmICMPTStatsEntry:
		default:
			return nil, errnoErr(EINVAL)
		}
	}
	if tcpStats == nil {
		return nil, errnoErr(EINVAL)
	}

// Errno values.
var (
	errEAGAIN error = EAGAIN
	errEINVAL error = EINVAL
	errENOENT error = ENOENT
)

// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e Errno) error {
	switch e {
	case 0:
		return nil
	case EAGAIN:
		return errEAGAIN
	case EINVAL:
		return errEINVAL
	case ENOENT:
		return errENOENT
	}
	return e
}

		uintptr(unsafe.Pointer(nil)),   // newdata
		0)                              // newlen
	if errno != 0 {
		return syscall.Errno(errno)
	}
	if n != uintptr(len(p)) {
		return syscall.EINVAL
	}
	return nil

   * validation on its input.
   */
  public static Escaper xmlAttributeEscaper() {
    return XML_ATTRIBUTE_ESCAPER;
  }

  private static final Escaper XML_ESCAPER;
  private static final Escaper XML_CONTENT_ESCAPER;
  private static final Escaper XML_ATTRIBUTE_ESCAPER;

  static {
    Escapers.Builder builder = Escapers.builder();
    // The char values \uFFFE and \uFFFF are explicitly not allowed in XML

//go:build unix

package net

import (
	"runtime"
	"syscall"
)

func (c *conn) writeBuffers(v *Buffers) (int64, error) {
	if !c.ok() {
		return 0, syscall.EINVAL
	}
	n, err := c.fd.writeBuffers(v)
	if err != nil {
		return n, &OpError{Op: "writev", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	return n, nil
}

			return 0, false, nil
		case syscall.EXDEV, syscall.EINVAL, syscall.EIO, syscall.EOPNOTSUPP, syscall.EPERM:
			// Prior to Linux 5.3, it was not possible to
			// copy_file_range across file systems. Similarly to
			// the ENOSYS case above, if we see EXDEV, we have
			// not transferred any data, and we can let the caller
			// fall back to generic code.
			//
			// As for EINVAL, that is what we see if, for example,

Configs that have a "yes" mark in the "MANUAL UPGRADE REQUIRED" column require manual config upgrade or
resetting to kubeadm defaults before a successful upgrade can be performed. The version to manually
upgrade to is denoted in the "PREFERRED VERSION" column.

API GROUP                 CURRENT VERSION   PREFERRED VERSION   MANUAL UPGRADE REQUIRED
kubeproxy.config.k8s.io   v1alpha1          v1alpha1            no

	fuzz "github.com/google/gofuzz"
)

func TestFromInt(t *testing.T) {
	i := FromInt(93)
	if i.Type != Int || i.IntVal != 93 {
		t.Errorf("Expected IntVal=93, got %+v", i)
	}
}

func TestFromInt32(t *testing.T) {
	i := FromInt32(93)
	if i.Type != Int || i.IntVal != 93 {
		t.Errorf("Expected IntVal=93, got %+v", i)
	}
}

func TestFromString(t *testing.T) {
	i := FromString("76")

		t.Fatalf("syscall.open: %v", err)
	}
	defer syscall.Close(fd)

	buf := bytes.Repeat([]byte{0xCD}, direntBufSize)
	for {
		n, err := syscall.ReadDirent(fd, buf)
		if err == syscall.EINVAL {
			// On linux, 'man getdents64' says that EINVAL indicates “result buffer is too small”.
			// Try a bigger buffer.
			t.Logf("ReadDirent: %v; retrying with larger buffer", err)
			buf = bytes.Repeat([]byte{0xCD}, len(buf)*2)
			continue
		}

	<-ch
}

func TestRaceMapBigValInsert(t *testing.T) {
	m := make(map[int]BigVal)
	var v BigVal
	ch := make(chan bool, 1)
	go func() {
		m[1] = v
		ch <- true
	}()
	v.y[30] = new(int)
	<-ch
}

func TestRaceMapBigValAccess1(t *testing.T) {
	m := make(map[int]BigVal)
	var v BigVal
	ch := make(chan bool, 1)
	go func() {
		v = m[1]
		ch <- true
	}()