if j != n-7 {
				b.Fatal("bad index", j)
			}
		}
		buf[n-1] = '\x00'
		buf[n-7] = '\x00'
	})
}

func BenchmarkCount(b *testing.B) {
	benchBytes(b, indexSizes, func(b *testing.B, n int) {
		buf := bmbuf[0:n]
		buf[n-1] = 'x'
		for i := 0; i < b.N; i++ {
			j := Count(buf, buf[n-7:])
			if j != 1 {
				b.Fatal("bad count", j)
			}
		}
		buf[n-1] = '\x00'
	})

	// Get canonical headers.
	var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')
		switch {
		case k == "host":
			buf.WriteString(req.URL.Host)
			fallthrough
		default:
			for idx, v := range headerMap[k] {
				if idx > 0 {
					buf.WriteByte(',')
				}
				buf.WriteString(v)
			}
			buf.WriteByte('\n')
		}
	}

	// We have however a dynamic downstream buffer (ch).
	buf := bytes.NewBuffer(grid.GetByteBuffer())
	enc := json.NewEncoder(buf)
	tmpEvt := struct{ Records []event.Event }{[]event.Event{{}}}
	for {
		select {
		case <-ctx.Done():
			grid.PutByteBuffer(buf.Bytes())
			return nil
		case ev := <-ch:
			buf.Reset()
			tmpEvt.Records[0] = ev
			if err := enc.Encode(tmpEvt); err != nil {

	stat, err := f.Stat()
	if err != nil {
		buf, err = io.ReadAll(f)
		return buf, dmTime, osErrToFileErr(err)
	}
	if stat.IsDir() {
		return nil, dmTime, errFileNotFound
	}

	// Read into appropriate buffer.
	sz := stat.Size()
	if sz <= metaDataReadDefault {
		buf = metaDataPoolGet()
		buf = buf[:sz]
	} else {
		buf = make([]byte, sz)
	}

	// Read file...

	// Read `xl.meta` in parallel across disks.
	for index := range rawFileInfos {
		rf := rawFileInfos[index]
		if rf.Buf == nil {
			continue
		}
		if !readData {
			// Save the buffer so we can reuse it.
			v2bufs[index] = rf.Buf
		}

		var xl xlMetaV2
		if err := xl.LoadOrConvert(rf.Buf); err != nil {
			errs[index] = err
			continue
		}
		metadataArray[index] = &xl

	if endpoint == "" {
		return nil
	}

	buf, err := json.Marshal(ri)
	if err != nil {
		return err
	}

	ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
	defer cancel()

	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewReader(buf))
	if err != nil {
		return err
	}

	if token != "" {
		req.Header.Set("Authorization", token)

		effectivePolicy = globalIAMSys.GetCombinedPolicy(policies...)

	}
	buf, err = json.MarshalIndent(effectivePolicy, "", " ")
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	acctInfo := madmin.AccountInfo{
		AccountName: accountName,
		Server:      objectAPI.BackendInfo(),
		Policy:      buf,
	}

	for _, bucket := range buckets {

			ident[name] = name
		}
		fld[n] = &ast.Field{Names: []*ast.Ident{c.Ident(ident[name])}, Type: tgo}
		sizes = sizes[0 : n+1]
		sizes[n] = size
		off += size
		buf.WriteString(t.C.String())
		buf.WriteString(" ")
		buf.WriteString(name)
		buf.WriteString("; ")
		if talign > align {
			align = talign
		}
	}
	if off < dt.ByteSize {
		fld, sizes = c.pad(fld, sizes, dt.ByteSize-off)

	}
}

func decodeXLHeaders(buf []byte) (versions int, headerV, metaV uint8, b []byte, err error) {
	hdrVer, buf, err := msgp.ReadUint8Bytes(buf)
	if err != nil {
		return 0, 0, 0, buf, err
	}
	metaVer, buf, err := msgp.ReadUint8Bytes(buf)
	if err != nil {
		return 0, 0, 0, buf, err
	}
	if hdrVer > xlHeaderVersion {

	v := BaseOptions{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	m := v.Msgsize()
	if buf.Len() > m {
		t.Log("WARNING: TestEncodeDecodeBaseOptions Msgsize() is inaccurate")
	}

	vn := BaseOptions{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}
}