}
	if quote != 0 {
		err = errors.New("unclosed quote")
	} else if escaped {
		err = errors.New("unfinished escaping")
	}
	return args, err
}

// Translate rewrites f.AST, the original Go input, to remove
// references to the imported package C, replacing them with
// references to the equivalent Go types, functions, and variables.
func (p *Package) Translate(f *File) {
	for _, cref := range f.Ref {

		sep := ":"
		if gohostos == "windows" {
			sep = ";"
		}
		xprintf(format, "PATH", fmt.Sprintf("%s%s%s", gorootBin, sep, os.Getenv("PATH")))

		// Also include $DIST_UNMODIFIED_PATH with the original $PATH
		// for the internal needs of "dist banner", along with export
		// so that it reaches the dist process. See its comment below.
		var exportFormat string
		if !*windows && !*plan9 {

	// received from a client. It may return a non-nil Config in order to
	// change the Config that will be used to handle this connection. If
	// the returned Config is nil, the original Config will be used. The
	// Config returned by this callback may not be subsequently modified.
	//
	// If GetConfigForClient is nil, the Config passed to Server() will be
	// used for all connections.
	//

			c := newCipher(tt.key)
			out = make([]byte, len(in))
			c.Encrypt(out, in)
			return
		}

		// Encrypting twice with a DES weak
		// key should reproduce the original input
		result := encrypt(tt.in)
		result = encrypt(result)

		if !bytes.Equal(result, tt.in) {
			t.Errorf("#%d: result: %x want: %x", i, result, tt.in)
		}
	}
}

							ime.ImportingMainModule = curstack.mod
							break
						}
					}
				}
				// pkg.err was already non-nil, so we can reasonably attribute the error
				// for pkg to either the original error or the one returned by
				// queryImport. The existing error indicates only that we couldn't find
				// the package, whereas the query error also explains why we didn't fix
				// the problem — so we prefer the latter.

}

// transportRequest is a wrapper around a *Request that adds
// optional extra headers to write and stores any error to return
// from roundTrip.
type transportRequest struct {
	*Request                        // original request, not to be mutated
	extra    Header                 // extra headers to write, or nil
	trace    *httptrace.ClientTrace // optional

	ctx    context.Context // canceled when we are done with the request

		plaintext = payload[:n]
	}

	hc.incSeq()
	return plaintext, typ, nil
}

// sliceForAppend extends the input slice by n bytes. head is the full extended
// slice, while tail is the appended part. If the original slice has sufficient
// capacity no allocation is performed.
func sliceForAppend(in []byte, n int) (head, tail []byte) {
	if total := len(in) + n; cap(in) >= total {
		head = in[:total]
	} else {

	for _, data := range fsRedirectTestData {
		res, err := ts.Client().Get(ts.URL + data.original)
		if err != nil {
			t.Fatal(err)
		}
		res.Body.Close()
		if g, e := res.Request.URL.Path, data.redirect; g != e {
			t.Errorf("redirect from %s: got %s, want %s", data.original, g, e)
		}
	}
}

type testFileSystem struct {
	open func(name string) (File, error)
}

	for m != 0 {
		r := pickReg(m)
		m &^= 1 << r
		x := s.curBlock.NewValue0(src.NoXPos, OpClobberReg, types.TypeVoid)
		s.f.setHome(x, &s.registers[r])
	}
}

// setOrig records that c's original value is the same as
// v's original value.
func (s *regAllocState) setOrig(c *Value, v *Value) {
	if int(c.ID) >= cap(s.orig) {
		x := s.f.Cache.allocValueSlice(int(c.ID) + 1)
		copy(x, s.orig)
		s.f.Cache.freeValueSlice(s.orig)

				if nb+nb <= maxBits {
					// Double pattern until the whole uintptr is filled.
					for nb <= goarch.PtrSize*8 {
						b |= b << nb
						nb += nb
					}
					// Trim away incomplete copy of original pattern in high bits.
					// TODO(rsc): Replace with table lookup or loop on systems without divide?
					nb = maxBits / npattern * npattern
					b &= 1<<nb - 1
					pattern = b
					npattern = nb
				}