)

// ByteSliceFromString returns a NUL-terminated slice of bytes
// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func ByteSliceFromString(s string) ([]byte, error) {
	if strings.IndexByte(s, 0) != -1 {
		return nil, EINVAL
	}
	a := make([]byte, len(s)+1)
	copy(a, s)
	return a, nil
}

// BytePtrFromString returns a pointer to a NUL-terminated array of

// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, [EINVAL]).
func ByteSliceFromString(s string) ([]byte, error) {
	if bytealg.IndexByteString(s, 0) != -1 {
		return nil, EINVAL
	}
	a := make([]byte, len(s)+1)
	copy(a, s)
	return a, nil
}

// StringBytePtr returns a pointer to a NUL-terminated array of bytes.

package windows // import "golang.org/x/sys/windows"

import (
	"bytes"
	"strings"
	"syscall"
	"unsafe"
)

// ByteSliceFromString returns a NUL-terminated slice of bytes
// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, syscall.EINVAL).
func ByteSliceFromString(s string) ([]byte, error) {
	if strings.IndexByte(s, 0) != -1 {
		return nil, syscall.EINVAL
	}

)

// ByteSliceFromString returns a NUL-terminated slice of bytes
// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func ByteSliceFromString(s string) ([]byte, error) {
	if strings.IndexByte(s, 0) != -1 {
		return nil, EINVAL
	}
	a := make([]byte, len(s)+1)
	copy(a, s)
	return a, nil
}

// BytePtrFromString returns a pointer to a NUL-terminated array of

if "x%GOR...

// SlicePtrFromStrings converts a slice of strings to a slice of
// pointers to NUL-terminated byte arrays. If any string contains
// a NUL byte, it returns (nil, [EINVAL]).
func SlicePtrFromStrings(ss []string) ([]*byte, error) {
	n := 0
	for _, s := range ss {
		if bytealg.IndexByteString(s, 0) != -1 {
			return nil, EINVAL
		}
		n += len(s) + 1 // +1 for NUL
	}
	bb := make([]*byte, len(ss)+1)
	b := make([]byte, n)
	n = 0

		// Some BSDs include the trailing NUL in the length, whereas
		// others do not. Work around this by subtracting the leading
		// family and len. The path is then scanned to see if a NUL
		// terminator still exists within the length.
		n := int(pp.Len) - 2 // subtract leading Family, Len
		for i := 0; i < n; i++ {
			if pp.Path[i] == 0 {
				// found early NUL; assume Len included the NUL
				// or was overestimating.
				n = i

				hdr.Format = FormatUnknown // Non-ASCII characters in block.
			}
			nul := func(b []byte) bool { return int(b[len(b)-1]) == 0 }
			if !(nul(v7.size()) && nul(v7.mode()) && nul(v7.uid()) && nul(v7.gid()) &&
				nul(v7.modTime()) && nul(ustar.devMajor()) && nul(ustar.devMinor())) {
				hdr.Format = FormatUnknown // Numeric fields must end in NUL
			}
		case format.has(formatSTAR):
			star := tr.blk.toSTAR()

		// Some BSDs include the trailing NUL in the length, whereas
		// others do not. Work around this by subtracting the leading
		// family and len. The path is then scanned to see if a NUL
		// terminator still exists within the length.
		n := int(pp.Len) - 2 // subtract leading Family, Len
		for i := 0; i < n; i++ {
			if pp.Path[i] == 0 {
				// found early NUL; assume Len included the NUL
				// or was overestimating.
				n = i

//
//	 Source		Encoding			Maximum length of single name entry
//	 Unicast DNS		ASCII or			<=253 + a NUL terminator
//				Unicode in RFC 5892		252 * total number of labels + delimiters + a NUL terminator
//	 Multicast DNS	UTF-8 in RFC 5198 or		<=253 + a NUL terminator
//				the same as unicast DNS ASCII	<=253 + a NUL terminator
//	 Local database	various				depends on implementation
const (
	nameinfoLen    = 64