syscall: use correct pointer in recvfrom/sendto.

linux/386 stack trace: use 32-bit hex.

Fixes issue 159.

R=r
http://codereview.appspot.com/154178

1 files changed, 2 insertions, 2 deletions

diff --git a/src/pkg/syscall/syscall_linux_386.go b/src/pkg/syscall/syscall_linux_386.go
index 8dbe4c7c9..1e6fa75a3 100644
--- a/src/pkg/syscall/syscall_linux_386.go
+++ b/src/pkg/syscall/syscall_linux_386.go
@@ -125,7 +125,7 @@ func setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
 func recvfrom(s int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int) {
 	var base uintptr;
 	if len(p) > 0 {
-		base = uintptr(unsafe.Pointer(&p))
+		base = uintptr(unsafe.Pointer(&p[0]))
 	}
 	n, errno = socketcall(_RECVFROM, uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)));
 	return;
@@ -134,7 +134,7 @@ func recvfrom(s int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Sockle
 func sendto(s int, p []byte, flags int, to uintptr, addrlen _Socklen) (errno int) {
 	var base uintptr;
 	if len(p) > 0 {
-		base = uintptr(unsafe.Pointer(&p))
+		base = uintptr(unsafe.Pointer(&p[0]))
 	}
 	_, errno = socketcall(_SENDTO, uintptr(s), base, uintptr(len(p)), uintptr(flags), to, uintptr(addrlen));
 	return;