// Copied from golang.org/x/sys/unix/dev_darwin.go.
			major := uint32((dev >> 24) & 0xff)
			minor := uint32(dev & 0xffffff)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "dragonfly":
			// Copied from golang.org/x/sys/unix/dev_dragonfly.go.
			major := uint32((dev >> 8) & 0xff)
			minor := uint32(dev & 0xffff00ff)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "freebsd":

	AND	$0xff00ff, R2                       // AND	$16711935, R2                   // fb1f80d2fb1fa0f242001b8a
	AND	$0xff00ffff, R1                     // AND	$4278255615, R1                 // fbff9fd21be0bff221001b8a
	ANDS	$0xffff, R2                         // ANDS	$65535, R2                      // 423c40f2
	AND	$0x7fffffff, R3                     // AND	$2147483647, R3                 // 63784092

		return nil, 0, errors.New("zip: invalid comment length")
	}
	d.comment = string(b[:l])

	// These values mean that the file can be a zip64 file
	if d.directoryRecords == 0xffff || d.directorySize == 0xffff || d.directoryOffset == 0xffffffff {
		p, err := findDirectory64End(r, directoryEndOffset)
		if err == nil && p >= 0 {
			directoryEndOffset = p
			err = readDirectory64End(r, p, d)
		}
		if err != nil {

fields. The 64 bit fields will always contain the correct value and
for normal archives both fields will be the same. For files requiring
the ZIP64 format the 32 bit fields will be 0xffffffff and the 64 bit
fields must be used instead.

[ZIP specification]: https://support.pkware.com/pkzip/appnote
*/
package zip

import (
	"io/fs"
	"path"
	"time"
)

// Compression methods.

0 and 255 inclusive.  Hexadecimal escapes satisfy this condition
by construction. The escapes <code>\u</code> and <code>\U</code>
represent Unicode code points so within them some values are illegal,
in particular those above <code>0x10FFFF</code> and surrogate halves.
</p>

<p>
After a backslash, certain single-character escapes represent special values:
</p>

<pre class="grammar">
\a   U+0007 alert or bell
\b   U+0008 backspace

	MOVB.W	0x00ffffff(R2), R1   // MOVB.W 16777215(R2), R1
	MOVB	-0x00ffffff(R2), R1  // MOVB -16777215(R2), R1
	MOVB.P	-0x00ffffff(R2), R1  // MOVB.P -16777215(R2), R1
	MOVB.W	-0x00ffffff(R2), R1  // MOVB.W -16777215(R2), R1
	MOVBS	R1, 0x00ffffff(R2)   // MOVBS R1, 16777215(R2)
	MOVBS.W	R1, 0x00ffffff(R2)   // MOVBS.W R1, 16777215(R2)
	MOVBS.P	R1, 0x00ffffff(R2)   // MOVBS.P R1, 16777215(R2)

	MOVF.NE	F3, -0x20(g)       // MOVF.NE F3, -32(g)  // 083a0a1d
	MOVD	F3, -0x20(g)       // MOVD F3, -32(g)     // 083b0aed
	MOVF	0x00ffffff(R2), F1 // MOVF 16777215(R2), F1
	MOVD	0x00ffffff(R2), F1 // MOVD 16777215(R2), F1
	MOVF	F2, 0x00ffffff(R2) // MOVF F2, 16777215(R2)
	MOVD	F2, 0x00ffffff(R2) // MOVD F2, 16777215(R2)
	MOVF	F0, math·Exp(SB)   // MOVF F0, math.Exp(SB)
	MOVF	math·Exp(SB), F0   // MOVF math.Exp(SB), F0

				t.Fatal(err)
			}
		}
	}
	t.Run("uint32max-2_NoZip64", func(t *testing.T) {
		t.Parallel()
		if generatesZip64(t, gen(0xfffffffe)) {
			t.Error("unexpected zip64")
		}
	})
	t.Run("uint32max-1_Zip64", func(t *testing.T) {
		t.Parallel()
		if !generatesZip64(t, gen(0xffffffff)) {
			t.Error("expected zip64")
		}
	})
}

// At 16k records, we need to generate a zip64 file.

0 and 255 inclusive.  Hexadecimal escapes satisfy this condition
by construction. The escapes <code>\u</code> and <code>\U</code>
represent Unicode code points so within them some values are illegal,
in particular those above <code>0x10FFFF</code> and surrogate halves.
</p>

<p>
After a backslash, certain single-character escapes represent special values:
</p>

<pre class="grammar">
\a   U+0007 alert or bell
\b   U+0008 backspace