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authorRuss Cox <rsc@golang.org>2008-12-18 22:37:22 -0800
committerRuss Cox <rsc@golang.org>2008-12-18 22:37:22 -0800
commit89995dcecf37b9a21c26783dcf8ab506da237363 (patch)
tree851fad01a87b8fa071ed46fa0985f1857d9e47ca /src/lib/net/net.go
parent924e27f38d133bc7c9978a061b20f950554434ee (diff)
downloadgolang-89995dcecf37b9a21c26783dcf8ab506da237363.tar.gz
convert *[] to [].
R=r OCL=21563 CL=21571
Diffstat (limited to 'src/lib/net/net.go')
-rw-r--r--src/lib/net/net.go50
1 files changed, 25 insertions, 25 deletions
diff --git a/src/lib/net/net.go b/src/lib/net/net.go
index 6ea54931f..ca5f33733 100644
--- a/src/lib/net/net.go
+++ b/src/lib/net/net.go
@@ -21,7 +21,7 @@ export var (
UnknownSocketFamily = os.NewError("unknown socket family");
)
-export func LookupHost(name string) (name1 string, addrs *[]string, err *os.Error)
+export func LookupHost(name string) (name1 string, addrs []string, err *os.Error)
// Split "host:port" into "host" and "port".
// Host cannot contain colons unless it is bracketed.
@@ -62,31 +62,33 @@ func JoinHostPort(host, port string) string {
return host + ":" + port
}
+var NIL []byte
+
// Convert "host:port" into IP address and port.
// For now, host and port must be numeric literals.
// Eventually, we'll have name resolution.
-func HostPortToIP(net string, hostport string) (ip *[]byte, iport int, err *os.Error) {
+func HostPortToIP(net string, hostport string) (ip []byte, iport int, err *os.Error) {
var host, port string;
host, port, err = SplitHostPort(hostport);
if err != nil {
- return nil, 0, err
+ return NIL, 0, err
}
// Try as an IP address.
addr := ParseIP(host);
- if addr == nil {
+ if len(addr) == 0 {
// Not an IP address. Try as a DNS name.
hostname, addrs, err := LookupHost(host);
if err != nil {
- return nil, 0, err
+ return NIL, 0, err
}
if len(addrs) == 0 {
- return nil, 0, UnknownHost
+ return NIL, 0, UnknownHost
}
addr = ParseIP(addrs[0]);
- if addr == nil {
+ if len(addr) == 0 {
// should not happen
- return nil, 0, BadAddress
+ return NIL, 0, BadAddress
}
}
@@ -94,11 +96,11 @@ func HostPortToIP(net string, hostport string) (ip *[]byte, iport int, err *os.E
if !ok || i != len(port) {
p, ok = LookupPort(net, port);
if !ok {
- return nil, 0, UnknownPort
+ return NIL, 0, UnknownPort
}
}
if p < 0 || p > 0xFFFF {
- return nil, 0, BadAddress
+ return NIL, 0, BadAddress
}
return addr, p, nil
@@ -178,17 +180,17 @@ func (c *ConnBase) FD() int64 {
return c.fd.fd
}
-func (c *ConnBase) Read(b *[]byte) (n int, err *os.Error) {
+func (c *ConnBase) Read(b []byte) (n int, err *os.Error) {
n, err = c.fd.Read(b);
return n, err
}
-func (c *ConnBase) Write(b *[]byte) (n int, err *os.Error) {
+func (c *ConnBase) Write(b []byte) (n int, err *os.Error) {
n, err = c.fd.Write(b);
return n, err
}
-func (c *ConnBase) ReadFrom(b *[]byte) (n int, raddr string, err *os.Error) {
+func (c *ConnBase) ReadFrom(b []byte) (n int, raddr string, err *os.Error) {
if c == nil {
return -1, "", os.EINVAL
}
@@ -196,7 +198,7 @@ func (c *ConnBase) ReadFrom(b *[]byte) (n int, raddr string, err *os.Error) {
return n, c.raddr, err
}
-func (c *ConnBase) WriteTo(raddr string, b *[]byte) (n int, err *os.Error) {
+func (c *ConnBase) WriteTo(raddr string, b []byte) (n int, err *os.Error) {
if c == nil {
return -1, os.EINVAL
}
@@ -281,7 +283,7 @@ const PreferIPv4 = false
func InternetSocket(net, laddr, raddr string, proto int64) (fd *FD, err *os.Error) {
// Parse addresses (unless they are empty).
- var lip, rip *[]byte;
+ var lip, rip []byte;
var lport, rport int;
var lerr, rerr *os.Error;
@@ -309,16 +311,14 @@ func InternetSocket(net, laddr, raddr string, proto int64) (fd *FD, err *os.Erro
default:
// Otherwise, guess.
// If the addresses are IPv4 and we prefer IPv4, use 4; else 6.
- if PreferIPv4
- && (lip == nil || ToIPv4(lip) != nil)
- && (rip == nil || ToIPv4(rip) != nil) {
+ if PreferIPv4 && len(ToIPv4(lip)) != 0 && len(ToIPv4(rip)) != 0 {
vers = 4
} else {
vers = 6
}
}
- var cvt *(addr *[]byte, port int) (sa *syscall.Sockaddr, err *os.Error);
+ var cvt *(addr []byte, port int) (sa *syscall.Sockaddr, err *os.Error);
var family int64;
if vers == 4 {
cvt = &IPv4ToSockaddr;
@@ -329,13 +329,13 @@ func InternetSocket(net, laddr, raddr string, proto int64) (fd *FD, err *os.Erro
}
var la, ra *syscall.Sockaddr;
- if lip != nil {
+ if len(lip) != 0 {
la, lerr = cvt(lip, lport);
if lerr != nil {
return nil, lerr
}
}
- if rip != nil {
+ if len(rip) != 0 {
ra, rerr = cvt(rip, rport);
if rerr != nil {
return nil, rerr
@@ -414,10 +414,10 @@ export func DialUDP(net, laddr, raddr string) (c *ConnUDP, err *os.Error) {
export type Conn interface {
- Read(b *[]byte) (n int, err *os.Error);
- Write(b *[]byte) (n int, err *os.Error);
- ReadFrom(b *[]byte) (n int, addr string, err *os.Error);
- WriteTo(addr string, b *[]byte) (n int, err *os.Error);
+ Read(b []byte) (n int, err *os.Error);
+ Write(b []byte) (n int, err *os.Error);
+ ReadFrom(b []byte) (n int, addr string, err *os.Error);
+ WriteTo(addr string, b []byte) (n int, err *os.Error);
Close() *os.Error;
SetReadBuffer(bytes int) *os.Error;
SetWriteBuffer(bytes int) *os.Error;