misc cleanup: gofmt + &x -> x[0:] conversion

R=gri
CC=golang-dev
https://golang.org/cl/1620042

src/pkg/debug/macho/file.go

@@ -168,11 +168,11 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 	// Read and decode Mach magic to determine byte order, size.
 	// Magic32 and Magic64 differ only in the bottom bit.
 	var ident [4]byte
-	if _, err := r.ReadAt(&ident, 0); err != nil {
+	if _, err := r.ReadAt(ident[0:], 0); err != nil {
 		return nil, err
 	}
-	be := binary.BigEndian.Uint32(&ident)
+	be := binary.BigEndian.Uint32(ident[0:])
-	le := binary.LittleEndian.Uint32(&ident)
+	le := binary.LittleEndian.Uint32(ident[0:])
 	switch Magic32 &^ 1 {
 	case be &^ 1:
 		f.ByteOrder = binary.BigEndian
@@ -227,7 +227,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 			s.LoadBytes = cmddat
 			s.Cmd = cmd
 			s.Len = siz
-			s.Name = cstring(&seg32.Name)
+			s.Name = cstring(seg32.Name[0:])
 			s.Addr = uint64(seg32.Addr)
 			s.Memsz = uint64(seg32.Memsz)
 			s.Offset = uint64(seg32.Offset)
@@ -243,8 +243,8 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 					return nil, err
 				}
 				sh := new(Section)
-				sh.Name = cstring(&sh32.Name)
+				sh.Name = cstring(sh32.Name[0:])
-				sh.Seg = cstring(&sh32.Seg)
+				sh.Seg = cstring(sh32.Seg[0:])
 				sh.Addr = uint64(sh32.Addr)
 				sh.Size = uint64(sh32.Size)
 				sh.Offset = sh32.Offset
@@ -265,7 +265,7 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 			s.LoadBytes = cmddat
 			s.Cmd = cmd
 			s.Len = siz
-			s.Name = cstring(&seg64.Name)
+			s.Name = cstring(seg64.Name[0:])
 			s.Addr = seg64.Addr
 			s.Memsz = seg64.Memsz
 			s.Offset = seg64.Offset
@@ -281,8 +281,8 @@ func NewFile(r io.ReaderAt) (*File, os.Error) {
 					return nil, err
 				}
 				sh := new(Section)
-				sh.Name = cstring(&sh64.Name)
+				sh.Name = cstring(sh64.Name[0:])
-				sh.Seg = cstring(&sh64.Seg)
+				sh.Seg = cstring(sh64.Seg[0:])
 				sh.Addr = sh64.Addr
 				sh.Size = sh64.Size
 				sh.Offset = sh64.Offset

src/pkg/debug/proc/regs_linux_386.go

@@ -15,7 +15,7 @@ type _386Regs struct {
 	setter func(*syscall.PtraceRegs) os.Error
 }
 
-var names = [...]string{
+var names = []string{
 	"eax",
 	"ebx",
 	"ecx",
@@ -55,7 +55,7 @@ func (r *_386Regs) SetSP(val Word) os.Error {
 	return r.setter(&r.PtraceRegs)
 }
 
-func (r *_386Regs) Names() []string { return &names }
+func (r *_386Regs) Names() []string { return names }
 
 func (r *_386Regs) Get(i int) Word {
 	switch i {

src/pkg/http/triv.go

@@ -6,13 +6,12 @@ package main
 
 import (
 	"bytes"
-	"bufio"
 	"expvar"
 	"flag"
 	"fmt"
+	"http"
 	"io"
 	"log"
-	"net"
 	"os"
 	"strconv"
 )
@@ -67,7 +66,7 @@ func FileServer(c *http.Conn, req *http.Request) {
 		fmt.Fprintf(c, "open %s: %v\n", path, err)
 		return
 	}
-	n, err1 := io.Copy(c, f)
+	n, _ := io.Copy(c, f)
 	fmt.Fprintf(c, "[%d bytes]\n", n)
 	f.Close()
 }
@@ -89,7 +88,7 @@ func FlagServer(c *http.Conn, req *http.Request) {
 
 // simple argument server
 func ArgServer(c *http.Conn, req *http.Request) {
-	for i, s := range os.Args {
+	for _, s := range os.Args {
 		fmt.Fprint(c, s, " ")
 	}
 }
@@ -138,6 +137,13 @@ func DateServer(c *http.Conn, req *http.Request) {
 	}
 }
 
+func Logger(c *http.Conn, req *http.Request) {
+	log.Stdout(req.URL.Raw)
+	c.WriteHeader(404)
+	c.Write([]byte("oops"))
+}
+
+
 func main() {
 	flag.Parse()
 
@@ -146,6 +152,7 @@ func main() {
 	http.Handle("/counter", ctr)
 	expvar.Publish("counter", ctr)
 
+	http.Handle("/", http.HandlerFunc(Logger))
 	http.Handle("/go/", http.HandlerFunc(FileServer))
 	http.Handle("/flags", http.HandlerFunc(FlagServer))
 	http.Handle("/args", http.HandlerFunc(ArgServer))

src/pkg/json/stream_test.go

@@ -109,7 +109,7 @@ func TestRawMessage(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Unmarshal: %v", err)
 	}
-	if string(*data.Id) != raw {
+	if string([]byte(*data.Id)) != raw {
 		t.Fatalf("Raw mismatch: have %#q want %#q", []byte(*data.Id), raw)
 	}
 	b, err := Marshal(&data)

src/pkg/net/iprawsock.go

@@ -15,9 +15,9 @@ import (
 func sockaddrToIP(sa syscall.Sockaddr) Addr {
 	switch sa := sa.(type) {
 	case *syscall.SockaddrInet4:
-		return &IPAddr{&sa.Addr}
+		return &IPAddr{sa.Addr[0:]}
 	case *syscall.SockaddrInet6:
-		return &IPAddr{&sa.Addr}
+		return &IPAddr{sa.Addr[0:]}
 	}
 	return nil
 }
@@ -176,14 +176,14 @@ func (c *IPConn) ReadFromIP(b []byte) (n int, addr *IPAddr, err os.Error) {
 	n, sa, err := c.fd.ReadFrom(b)
 	switch sa := sa.(type) {
 	case *syscall.SockaddrInet4:
-		addr = &IPAddr{&sa.Addr}
+		addr = &IPAddr{sa.Addr[0:]}
 		if len(b) >= 4 { // discard ipv4 header
 			hsize := (int(b[0]) & 0xf) * 4
 			copy(b, b[hsize:])
 			n -= hsize
 		}
 	case *syscall.SockaddrInet6:
-		addr = &IPAddr{&sa.Addr}
+		addr = &IPAddr{sa.Addr[0:]}
 	}
 	return
 }

src/pkg/net/tcpsock.go

@@ -14,9 +14,9 @@ import (
 func sockaddrToTCP(sa syscall.Sockaddr) Addr {
 	switch sa := sa.(type) {
 	case *syscall.SockaddrInet4:
-		return &TCPAddr{&sa.Addr, sa.Port}
+		return &TCPAddr{sa.Addr[0:], sa.Port}
 	case *syscall.SockaddrInet6:
-		return &TCPAddr{&sa.Addr, sa.Port}
+		return &TCPAddr{sa.Addr[0:], sa.Port}
 	}
 	return nil
 }

src/pkg/net/udpsock.go

@@ -14,9 +14,9 @@ import (
 func sockaddrToUDP(sa syscall.Sockaddr) Addr {
 	switch sa := sa.(type) {
 	case *syscall.SockaddrInet4:
-		return &UDPAddr{&sa.Addr, sa.Port}
+		return &UDPAddr{sa.Addr[0:], sa.Port}
 	case *syscall.SockaddrInet6:
-		return &UDPAddr{&sa.Addr, sa.Port}
+		return &UDPAddr{sa.Addr[0:], sa.Port}
 	}
 	return nil
 }
@@ -176,9 +176,9 @@ func (c *UDPConn) ReadFromUDP(b []byte) (n int, addr *UDPAddr, err os.Error) {
 	n, sa, err := c.fd.ReadFrom(b)
 	switch sa := sa.(type) {
 	case *syscall.SockaddrInet4:
-		addr = &UDPAddr{&sa.Addr, sa.Port}
+		addr = &UDPAddr{sa.Addr[0:], sa.Port}
 	case *syscall.SockaddrInet6:
-		addr = &UDPAddr{&sa.Addr, sa.Port}
+		addr = &UDPAddr{sa.Addr[0:], sa.Port}
 	}
 	return
 }

test/copy.go

@@ -9,8 +9,8 @@
 package main
 
 import (
-	"fmt";
+	"fmt"
-	"os";
+	"os"
 )
 
 const N = 40
@@ -25,53 +25,53 @@ var input64 = make([]uint64, N)
 var output64 = make([]uint64, N)
 
 func u8(i int) uint8 {
-	i = 'a' + i%26;
+	i = 'a' + i%26
-	return uint8(i);
+	return uint8(i)
 }
 
 func u16(ii int) uint16 {
-	var i = uint16(ii);
+	var i = uint16(ii)
-	i = 'a' + i%26;
+	i = 'a' + i%26
-	i |= i << 8;
+	i |= i << 8
-	return i;
+	return i
 }
 
 func u32(ii int) uint32 {
-	var i = uint32(ii);
+	var i = uint32(ii)
-	i = 'a' + i%26;
+	i = 'a' + i%26
-	i |= i << 8;
+	i |= i << 8
-	i |= i << 16;
+	i |= i << 16
-	return i;
+	return i
 }
 
 func u64(ii int) uint64 {
-	var i = uint64(ii);
+	var i = uint64(ii)
-	i = 'a' + i%26;
+	i = 'a' + i%26
-	i |= i << 8;
+	i |= i << 8
-	i |= i << 16;
+	i |= i << 16
-	i |= i << 32;
+	i |= i << 32
-	return i;
+	return i
 }
 
 func reset() {
 	// swap in and out to exercise copy-up and copy-down
-	input8, output8 = output8, input8;
+	input8, output8 = output8, input8
-	input16, output16 = output16, input16;
+	input16, output16 = output16, input16
-	input32, output32 = output32, input32;
+	input32, output32 = output32, input32
-	input64, output64 = output64, input64;
+	input64, output64 = output64, input64
-	in := 0;
+	in := 0
-	out := 13;
+	out := 13
 	for i := range input8 {
-		input8[i] = u8(in);
+		input8[i] = u8(in)
-		output8[i] = u8(out);
+		output8[i] = u8(out)
-		input16[i] = u16(in);
+		input16[i] = u16(in)
-		output16[i] = u16(out);
+		output16[i] = u16(out)
-		input32[i] = u32(in);
+		input32[i] = u32(in)
-		output32[i] = u32(out);
+		output32[i] = u32(out)
-		input64[i] = u64(in);
+		input64[i] = u64(in)
-		output64[i] = u64(out);
+		output64[i] = u64(out)
-		in++;
+		in++
-		out++;
+		out++
 	}
 }
 
@@ -79,30 +79,30 @@ func clamp(n int) int {
 	if n > N {
 		return N
 	}
-	return n;
+	return n
 }
 
 func ncopied(length, in, out int) int {
-	n := length;
+	n := length
 	if in+n > N {
-		n = N-in
+		n = N - in
 	}
 	if out+n > N {
-		n = N-out
+		n = N - out
 	}
-	return n;
+	return n
 }
 
 func doAllSlices(length, in, out int) {
-	reset();
+	reset()
-	n := copy(output8[out:clamp(out+length)], input8[in:clamp(in+length)]);
+	n := copy(output8[out:clamp(out+length)], input8[in:clamp(in+length)])
-	verify8(length, in, out, n);
+	verify8(length, in, out, n)
-	n = copy(output16[out:clamp(out+length)], input16[in:clamp(in+length)]);
+	n = copy(output16[out:clamp(out+length)], input16[in:clamp(in+length)])
-	verify16(length, in, out, n);
+	verify16(length, in, out, n)
-	n = copy(output32[out:clamp(out+length)], input32[in:clamp(in+length)]);
+	n = copy(output32[out:clamp(out+length)], input32[in:clamp(in+length)])
-	verify32(length, in, out, n);
+	verify32(length, in, out, n)
-	n = copy(output64[out:clamp(out+length)], input64[in:clamp(in+length)]);
+	n = copy(output64[out:clamp(out+length)], input64[in:clamp(in+length)])
-	verify64(length, in, out, n);
+	verify64(length, in, out, n)
 }
 
 func bad8(state string, i, length, in, out int) {
@@ -111,36 +111,36 @@ func bad8(state string, i, length, in, out int) {
 		length, in, out,
 		output8[i],
 		uint8(i+13),
-		input8, output8);
+		input8, output8)
-	os.Exit(1);
+	os.Exit(1)
 }
 
 func verify8(length, in, out, m int) {
-	n := ncopied(length, in, out);
+	n := ncopied(length, in, out)
 	if m != n {
-		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n);
+		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
-		return;
+		return
 	}
 	// before
-	var i int;
+	var i int
 	for i = 0; i < out; i++ {
 		if output8[i] != u8(i+13) {
-			bad8("before8", i, length, in, out);
+			bad8("before8", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// copied part
 	for ; i < out+n; i++ {
 		if output8[i] != u8(i+in-out) {
-			bad8("copied8", i, length, in, out);
+			bad8("copied8", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// after
 	for ; i < len(output8); i++ {
 		if output8[i] != u8(i+13) {
-			bad8("after8", i, length, in, out);
+			bad8("after8", i, length, in, out)
-			return;
+			return
 		}
 	}
 }
@@ -151,36 +151,36 @@ func bad16(state string, i, length, in, out int) {
 		length, in, out,
 		output16[i],
 		uint16(i+13),
-		input16, output16);
+		input16, output16)
-	os.Exit(1);
+	os.Exit(1)
 }
 
 func verify16(length, in, out, m int) {
-	n := ncopied(length, in, out);
+	n := ncopied(length, in, out)
 	if m != n {
-		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n);
+		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
-		return;
+		return
 	}
 	// before
-	var i int;
+	var i int
 	for i = 0; i < out; i++ {
 		if output16[i] != u16(i+13) {
-			bad16("before16", i, length, in, out);
+			bad16("before16", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// copied part
 	for ; i < out+n; i++ {
 		if output16[i] != u16(i+in-out) {
-			bad16("copied16", i, length, in, out);
+			bad16("copied16", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// after
 	for ; i < len(output16); i++ {
 		if output16[i] != u16(i+13) {
-			bad16("after16", i, length, in, out);
+			bad16("after16", i, length, in, out)
-			return;
+			return
 		}
 	}
 }
@@ -191,36 +191,36 @@ func bad32(state string, i, length, in, out int) {
 		length, in, out,
 		output32[i],
 		uint32(i+13),
-		input32, output32);
+		input32, output32)
-	os.Exit(1);
+	os.Exit(1)
 }
 
 func verify32(length, in, out, m int) {
-	n := ncopied(length, in, out);
+	n := ncopied(length, in, out)
 	if m != n {
-		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n);
+		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
-		return;
+		return
 	}
 	// before
-	var i int;
+	var i int
 	for i = 0; i < out; i++ {
 		if output32[i] != u32(i+13) {
-			bad32("before32", i, length, in, out);
+			bad32("before32", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// copied part
 	for ; i < out+n; i++ {
 		if output32[i] != u32(i+in-out) {
-			bad32("copied32", i, length, in, out);
+			bad32("copied32", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// after
 	for ; i < len(output32); i++ {
 		if output32[i] != u32(i+13) {
-			bad32("after32", i, length, in, out);
+			bad32("after32", i, length, in, out)
-			return;
+			return
 		}
 	}
 }
@@ -231,36 +231,36 @@ func bad64(state string, i, length, in, out int) {
 		length, in, out,
 		output64[i],
 		uint64(i+13),
-		input64, output64);
+		input64, output64)
-	os.Exit(1);
+	os.Exit(1)
 }
 
 func verify64(length, in, out, m int) {
-	n := ncopied(length, in, out);
+	n := ncopied(length, in, out)
 	if m != n {
-		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n);
+		fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
-		return;
+		return
 	}
 	// before
-	var i int;
+	var i int
 	for i = 0; i < out; i++ {
 		if output64[i] != u64(i+13) {
-			bad64("before64", i, length, in, out);
+			bad64("before64", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// copied part
 	for ; i < out+n; i++ {
 		if output64[i] != u64(i+in-out) {
-			bad64("copied64", i, length, in, out);
+			bad64("copied64", i, length, in, out)
-			return;
+			return
 		}
 	}
 	// after
 	for ; i < len(output64); i++ {
 		if output64[i] != u64(i+13) {
-			bad64("after64", i, length, in, out);
+			bad64("after64", i, length, in, out)
-			return;
+			return
 		}
 	}
 }
@@ -275,19 +275,19 @@ func slice() {
 	}
 }
 
-// Array test. Can be much simpler. It's mostly checking for promotion of *[N] to []
+// Array test. Can be much simpler. It's only checking for correct handling of [0:].
 func array() {
-	var array [N]uint8;
+	var array [N]uint8
-	reset();
+	reset()
-	copy(&array, input8);
+	copy(array[0:], input8)
 	for i := 0; i < N; i++ {
 		output8[i] = 0
 	}
-	copy(output8, &array);
+	copy(output8, array[0:])
-	verify8(N, 0, 0, N);
+	verify8(N, 0, 0, N)
 }
 
 func main() {
-	slice();
+	slice()
-	array();
+	array()
 }

test/fixedbugs/bug102.go

@@ -7,19 +7,20 @@
 package main
 
 func main() {
-	var b [0]byte;
+	var b [0]byte
-	s := string(&b);	// out of bounds trap
+	s := string(b[0:]) // out of bounds trap
 	if s != "" {
 		panic("bad convert")
 	}
-	var b1 = [5]byte{'h', 'e', 'l', 'l', 'o'};
+	var b1 = [5]byte{'h', 'e', 'l', 'l', 'o'}
-	if string(&b1) != "hello" {
+	if string(b1[0:]) != "hello" {
 		panic("bad convert 1")
 	}
-	var b2 = make([]byte, 5);
+	var b2 = make([]byte, 5)
-	for i := 0; i < 5; i++ { b2[i] = b1[i] }
+	for i := 0; i < 5; i++ {
+		b2[i] = b1[i]
+	}
 	if string(b2) != "hello" {
 		panic("bad convert 2")
 	}
 }
-

test/ken/string.go

@@ -88,7 +88,7 @@ func main() {
 	z1[0] = 'a'
 	z1[1] = 'b'
 	z1[2] = 'c'
-	c = string(&z1)
+	c = string(z1[0:])
 	if c != "abc" {
 		print("create byte array ", c)
 		panic("fail")
@@ -99,7 +99,7 @@ func main() {
 	z2[0] = 'a'
 	z2[1] = '\u1234'
 	z2[2] = 'c'
-	c = string(&z2)
+	c = string(z2[0:])
 	if c != "a\u1234c" {
 		print("create int array ", c)
 		panic("fail")
@@ -110,7 +110,7 @@ func main() {
 	z3[0] = 'a'
 	z3[1] = 'b'
 	z3[2] = 'c'
-	c = string(z3)
+	c = string(z3[0:])
 	if c != "abc" {
 		print("create array pointer ", c)
 		panic("fail")