return err
	}

	n, err := w.Write(b)
	if err != nil {
		w.Close()
		return err
	}

	if n != len(b) {
		w.Close()
		return io.ErrShortWrite
	}

	// Dealing with error returns from close() - 'man 2 close'
	//
	// A careful programmer will check the return value of close(), since it is quite possible that

  //    visible to done(). This is because there is no happens before edge between the write and a
  //    (hypothetical) unsafe read by our caller. Note: adding 'volatile' does not fix this issue,
  //    it would just add an edge such that if done() observed non-null, then it would also

        if ( log.isTraceEnabled() ) {
            log.trace(req.toString());
            log.trace(Hexdump.toHexString(this.sbuf, 4, n));
        }

        this.out.write(this.sbuf, 0, 4 + n);
        this.out.flush();
        log.trace("Wrote negotiate request");
        return n;
    }


    /**
     * @throws SocketException
     * @throws IOException
     */

    // Use a 2 MiB body so the disconnect won't happen until the client has read some data.
    val responseBodySize = 2 * 1024 * 1024 // 2 MiB
    server.enqueue(
      MockResponse.Builder()
        .body(Buffer().write(ByteArray(responseBodySize)))
        .socketPolicy(DisconnectDuringResponseBody)
        .build(),
    )
    val call =
      client.newCall(
        Request.Builder()
          .url(server.url("/"))

			Broken:       broken[p],
		})
	}
	out, err := json.MarshalIndent(results, "", "\t")
	if err != nil {
		fatalf("json marshal error: %v", err)
	}
	if _, err := os.Stdout.Write(out); err != nil {
		fatalf("write failed: %v", err)
	}
}

func setNoOpt() {
	for _, gcflag := range strings.Split(gogcflags, " ") {
		if gcflag == "-N" || gcflag == "-l" {
			noOpt = true
			break
		}

type limitedBytesWriter struct {
	w      io.Writer
	remain int // until writes fail
}

func (lw *limitedBytesWriter) Write(p []byte) (n int, err error) {
	if lw.remain <= 0 {
		println("error")
		return 0, errors.New("write limit hit")
	}
	if len(p) > lw.remain {
		p = p[:lw.remain]
		n, _ = lw.w.Write(p)
		lw.remain = 0
		return n, errors.New("write limit hit")
	}
	n, err = lw.w.Write(p)

		// innermost frame, that the SPWRITE function voluntarily preempted itself on entry
		// during the stack growth check. In that case, the function has
		// not yet had a chance to do any writes to SP and is safe to unwind.
		// isAsyncSafePoint does not allow assembly functions to be async preempted,
		// and preemptPark double-checks that SPWRITE functions are not async preempted.

	if !fileInfoPreHeal.Equals(fileInfoPostHeal) {
		t.Fatal("HealObject failed")
	}

	err = os.RemoveAll(path.Join(fsDirs[0], bucket, object, "xl.meta"))
	if err != nil {
		t.Fatal(err)
	}

	// Write xl.meta with different modtime to simulate the case where a disk had
	// gone down when an object was replaced by a new object.
	fileInfoOutDated := fileInfoPreHeal
	fileInfoOutDated.ModTime = time.Now()

	if !dirty && cfg.CmdName != "mod tidy" {
		// The go.mod file has the same semantic content that it had before
		// (but not necessarily the same exact bytes).
		// Don't write go.mod, but write go.sum in case we added or trimmed sums.
		// 'go mod init' shouldn't write go.sum, since it will be incomplete.
		if cfg.CmdName != "mod init" {

			t.Fatalf("write tempfile: %v", err)
		}
		cmd = []string{goTool, "run", t.goGcflags()}
		if *linkshared {
			cmd = append(cmd, "-linkshared")
		}
		cmd = append(cmd, tfile)
		out, err = runcmd(cmd...)
		if err != nil {
			return err
		}
		return t.checkExpectedOutput(out)

	case "errorcheckoutput":
		// Run Go file and write its output into temporary Go file.