errMissData        = errors.New("archive/tar: sparse file references non-existent data")
	errUnrefData       = errors.New("archive/tar: sparse file contains unreferenced data")
	errWriteHole       = errors.New("archive/tar: write non-NUL byte in sparse hole")
)

type headerError []string

func (he headerError) Error() string {
	const prefix = "archive/tar: cannot encode header"
	var ss []string
	for _, s := range he {
		if s != "" {

// It must not end with a dot (U+002E), nor contain two dots in a row.
//
// The element prefix up to the first dot must not be a reserved file name
// on Windows, regardless of case (CON, com1, NuL, and so on). The element
// must not have a suffix of a tilde followed by one or more ASCII digits
// (to exclude paths elements that look like Windows short-names).
//

env GO111MODULE=on
[short] skip

# This script tests commands in module mode outside of any module.
#
# First, ensure that we really are in module mode, and that we really don't have
# a go.mod file.
go env GOMOD
stdout 'NUL|/dev/null'


# 'go list' without arguments implicitly operates on the current directory,
# which is not in a module.
! go list

	switch rsa.Addr.Family {
	case AF_UNIX:
		pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
		sa := new(SockaddrUnix)
		// For z/OS, only replace NUL with @ when the
		// length is not zero.
		if pp.Len != 0 && pp.Path[0] == 0 {
			// "Abstract" Unix domain socket.
			// Rewrite leading NUL as @ for textual display.
			// (This is the standard convention.)
			// Not friendly to overwrite in place,
			// but the callers below don't care.

 
 #include <bits/wordsize.h>
 
+#if __GNUC_PREREQ (8, 0)
+/* Describes a char array whose address can safely be passed as the first
+   argument to strncpy and strncat, as the char array is not necessarily
+   a NUL-terminated string.  */
+# define __attribute_nonstring__ __attribute__ ((__nonstring__))
+#else
+# define __attribute_nonstring__
+#endif
+
 #if defined __LONG_DOUBLE_MATH_OPTIONAL && defined __NO_LONG_DOUBLE_MATH

	http.HandleFunc(prefix+"/debug/pprof/symbol", Symbol)
	http.HandleFunc(prefix+"/debug/pprof/trace", Trace)
}

// Cmdline responds with the running program's
// command line, with arguments separated by NUL bytes.
// The package initialization registers it as /debug/pprof/cmdline.
func Cmdline(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("X-Content-Type-Options", "nosniff")

}

func epipecheck(file *File, e error) {
}

// DevNull is the name of the operating system's “null device.”
// On Unix-like systems, it is "/dev/null"; on Windows, "NUL".
const DevNull = "/dev/null"

// syscallMode returns the syscall-specific mode bits from Go's portable mode bits.
func syscallMode(i FileMode) (o uint32) {
	o |= uint32(i.Perm())
	if i&ModeAppend != 0 {

//
//   - is within the subtree rooted at the directory in which path is evaluated
//   - is not an absolute path
//   - is not empty
//   - on Windows, is not a reserved name such as "NUL"
//
// If IsLocal(path) returns true, then
// Join(base, path) will always produce a path contained within base and
// Clean(path) will always produce an unrooted path with no ".." path elements.
//

func isIdent(c byte) bool {
	return 'A' <= c && c <= 'Z' || 'a' <= c && c <= 'z' || '0' <= c && c <= '9' || c == '_' || c >= utf8.RuneSelf
}

var (
	errSyntax = errors.New("syntax error")
	errNUL    = errors.New("unexpected NUL in input")
)

// syntaxError records a syntax error, but only if an I/O error has not already been recorded.
func (r *importReader) syntaxError() {
	if r.err == nil {
		r.err = errSyntax
	}
}

	if e == syscall.EPIPE && file.stdoutOrErr {
		sigpipe()
	}
}

// DevNull is the name of the operating system's “null device.”
// On Unix-like systems, it is "/dev/null"; on Windows, "NUL".
const DevNull = "/dev/null"

// openFileNolog is the Unix implementation of OpenFile.
// Changes here should be reflected in openDirAt and openDirNolog, if relevant.