if _, err := io.ReadFull(tr.r, tr.blk[:]); err != nil {
		return nil, nil, err // EOF is okay here; exactly 0 bytes read
	}
	if bytes.Equal(tr.blk[:], zeroBlock[:]) {
		if _, err := io.ReadFull(tr.r, tr.blk[:]); err != nil {
			return nil, nil, err // EOF is okay here; exactly 1 block of zeros read
		}
		if bytes.Equal(tr.blk[:], zeroBlock[:]) {

			for _, s := range spd {
				hdr.Size += s.Length
			}
			copy(blk.V7().Size(), zeroBlock[:]) // Reset field
			f.formatNumeric(blk.V7().Size(), hdr.Size)
			f.formatNumeric(blk.GNU().RealSize(), realSize)
		}
	*/
	blk.setFormat(FormatGNU)
	if err := tw.writeRawHeader(blk, hdr.Size, hdr.Typeflag); err != nil {
		return err
	}

		// Write the initial GNU header.
		var blk block
		gnu := blk.toGNU()
		sparse := gnu.sparse()
		copy(gnu.realSize(), size)
		sps = populateSparseMap(sparse, sps)
		if format != FormatUnknown {
			blk.setFormat(format)
		}
		out = append(out, blk[:]...)

		// Write extended sparse blocks.
		for len(sps) > 0 {
			var blk block
			sps = populateSparseMap(blk.toSparse(), sps)

			t.Errorf("test %d, unexpected Close error: %v", i, err)
		}

		// The prefix field should never appear in the GNU format.
		var blk block
		copy(blk[:], b.Bytes())
		prefix := string(blk.toUSTAR().prefix())
		prefix, _, _ = strings.Cut(prefix, "\x00") // Truncate at the NUL terminator
		if blk.getFormat() == FormatGNU && len(prefix) > 0 && strings.HasPrefix(name, prefix) {
			t.Errorf("test %d, found prefix in GNU format: %s", i, prefix)

			}
		}
		if v, ok := h.PAXRecords[paxKey]; ok && v == formatPAXTime(ts) {
			paxHdrs[paxKey] = v
		}
	}

	// Check basic fields.
	var blk block
	v7 := blk.toV7()
	ustar := blk.toUSTAR()
	gnu := blk.toGNU()
	verifyString(h.Name, len(v7.name()), "Name", paxPath)
	verifyString(h.Linkname, len(v7.linkName()), "Linkname", paxLinkpath)

	// We skip scanning the parent directory for
	// more objects matching the prefix.
	ri := logger.GetReqInfo(ctx)
	if ri != nil && strings.Contains(ri.UserAgent, `1.0 Veeam/1.0 Backup`) && strings.HasSuffix(prefix, ".blk") {
		opts.BaseDir = prefix
		opts.Transient = true
	}

	// set bucket metadata in opts
	opts.setBucketMeta(ctx)

	merged, err := z.listPath(ctx, &opts)
	if err != nil && err != io.EOF {

pkg syscall (freebsd-386-cgo), const DLT_WIHART ideal-int
pkg syscall (freebsd-386-cgo), const DLT_X2E_SERIAL ideal-int
pkg syscall (freebsd-386-cgo), const DLT_X2E_XORAYA ideal-int
pkg syscall (freebsd-386-cgo), const DT_BLK ideal-int
pkg syscall (freebsd-386-cgo), const DT_CHR ideal-int
pkg syscall (freebsd-386-cgo), const DT_DIR ideal-int
pkg syscall (freebsd-386-cgo), const DT_FIFO ideal-int

pkg syscall (darwin-386), const DLT_PRONET = 4
pkg syscall (darwin-386), const DLT_RAW = 12
pkg syscall (darwin-386), const DLT_SLIP = 8
pkg syscall (darwin-386), const DLT_SLIP_BSDOS = 15
pkg syscall (darwin-386), const DT_BLK = 6
pkg syscall (darwin-386), const DT_CHR = 2
pkg syscall (darwin-386), const DT_DIR = 4
pkg syscall (darwin-386), const DT_FIFO = 1
pkg syscall (darwin-386), const DT_LNK = 10

pkg syscall (netbsd-arm64-cgo), const DLT_X2E_XORAYA = 214
pkg syscall (netbsd-arm64-cgo), const DLT_X2E_XORAYA ideal-int
pkg syscall (netbsd-arm64-cgo), const DT_BLK = 6
pkg syscall (netbsd-arm64-cgo), const DT_BLK ideal-int
pkg syscall (netbsd-arm64-cgo), const DT_CHR = 2
pkg syscall (netbsd-arm64-cgo), const DT_CHR ideal-int
pkg syscall (netbsd-arm64-cgo), const DT_DIR = 4

pkg syscall (freebsd-riscv64), const DLT_X2E_XORAYA = 214 #53466
pkg syscall (freebsd-riscv64), const DLT_X2E_XORAYA ideal-int #53466
pkg syscall (freebsd-riscv64), const DT_BLK = 6 #53466
pkg syscall (freebsd-riscv64), const DT_BLK ideal-int #53466
pkg syscall (freebsd-riscv64), const DT_CHR = 2 #53466
pkg syscall (freebsd-riscv64), const DT_CHR ideal-int #53466
pkg syscall (freebsd-riscv64), const DT_DIR = 4 #53466