e = binary.LittleEndian
	} else {
		return errorf("bad magic - not mach-o file")
	}

	is64 := e.Uint32(hdr[:]) == 0xFEEDFACF
	ncmd := e.Uint32(hdr[4*4:])
	cmdsz := e.Uint32(hdr[5*4:])
	if ncmd > 0x10000 || cmdsz >= 0x01000000 {
		return errorf("implausible mach-o header ncmd=%d cmdsz=%d", ncmd, cmdsz)
	}

	if is64 {
		f.MustSeek(4, 1) // skip reserved word in header
	}

	m := &ldMachoObj{
		f:          f,

	var cmd loadCmd

	r.offset = r.next
	if _, err := r.f.Seek(r.offset, 0); err != nil {
		return cmd, err
	}
	if err := binary.Read(r.f, r.order, &cmd); err != nil {
		return cmd, err
	}
	r.next = r.offset + int64(cmd.Len)
	return cmd, nil
}

func (r loadCmdReader) ReadAt(offset int64, data interface{}) error {
	if _, err := r.f.Seek(r.offset+offset, 0); err != nil {
		return err
	}
	return binary.Read(r.f, r.order, data)

	}
	c := saferio.SliceCap[Load](uint64(f.Ncmd))
	if c < 0 {
		return nil, &FormatError{offset, "too many load commands", nil}
	}
	f.Loads = make([]Load, 0, c)
	bo := f.ByteOrder
	for i := uint32(0); i < f.Ncmd; i++ {
		// Each load command begins with uint32 command and length.
		if len(dat) < 8 {
			return nil, &FormatError{offset, "command block too small", nil}
		}

			t.Logf("set PATH=%s", pathVar)

			chdir(t, root)

			cmd := exec.Command(tt.arg0, "printpath")
			cmd.Dir = filepath.Join(root, tt.dir)
			if tt.wantErrDot {
				if errors.Is(cmd.Err, exec.ErrDot) {
					cmd.Err = nil
				} else {
					t.Fatalf("cmd.Err = %v; want ErrDot", cmd.Err)
				}
			}

			out, err := cmd.Output()
			if err != nil {

	"istio.io/api/annotation"
	meshconfig "istio.io/api/mesh/v1alpha1"
	"istio.io/istio/pilot/cmd/pilot-agent/config"
	"istio.io/istio/pilot/cmd/pilot-agent/options"
	"istio.io/istio/pilot/cmd/pilot-agent/status"
	"istio.io/istio/pilot/pkg/util/network"
	"istio.io/istio/pkg/bootstrap"
	"istio.io/istio/pkg/cmd"
	"istio.io/istio/pkg/collateral"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/envoy"

			if err != nil || sp1 == "" {
				continue
			}
			sprog = sp1
		}
		targ := fmt.Sprintf("p%d.exe", k)
		scmd := testenv.Command(t, sprog, "-o", targ, binFile)
		scmd.Dir = dir
		if sout, serr := scmd.CombinedOutput(); serr != nil {
			t.Fatalf("failed to strip %v: %v:\n%s", scmd.Args, serr, sout)
		} else {
			// Non-empty output indicates failure, as mentioned above.
			if len(string(sout)) != 0 {

			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
		},
	}

	}
	fexec := &fakeexec.FakeExec{
		CommandScript: []fakeexec.FakeCommandAction{
			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
			func(cmd string, args ...string) exec.Cmd { return fakeexec.InitFakeCmd(&fcmd, cmd, args...) },
		},
	}
	runner := New(fexec)

	}
	return si
}

func outputFormat(bcmd map[string]*bool, acmd map[string]*string) (cmd []string, err error) {
	for n, b := range bcmd {
		if *b {
			if cmd != nil {
				return nil, errors.New("must set at most one output format")
			}
			cmd = []string{n}
		}
	}
	for n, s := range acmd {
		if *s != "" {
			if cmd != nil {
				return nil, errors.New("must set at most one output format")

				cCmd := getCmd(rt.cmd, c)
				if cCmd == nil {
					t.Errorf("cmd didn't have %s subcommand\n", c)
					continue
				}

				// Test passing argument set
				err := cCmd.Args(cCmd, args.pass)
				if err != nil {
					t.Errorf("command %s should validate the args: %v\n %v", cCmd.Name(), args.pass, err)
				}

				// Test failing argument set
				err = cCmd.Args(cCmd, args.fail)