Add dumb SO_ERROR support to pflocal

pflocal does not currently have asynchronous operations, so we can make
SO_ERROR just report 0.

* pflocal/socket.c (S_socket_getopt): For `level' SOL_SOCKET and `opt'
SO_ERROR, report 0.

1 files changed, 19 insertions, 0 deletions

diff --git a/pflocal/socket.c b/pflocal/socket.c
index 58449047..b1f9d770 100644
--- a/pflocal/socket.c
+++ b/pflocal/socket.c
@@ -445,6 +445,25 @@ S_socket_getopt (struct sock_user *user,
 	  *(int *)*value = user->sock->pipe_class->sock_type;
 	  *value_len = sizeof (int);
 	  break;
+	case SO_ERROR:
+	  /* We do not have asynchronous operations (such as connect), so no
+	     error to report.  */
+	  if (*value_len < sizeof (short))
+	  {
+	    *(char*)*value = 0;
+	    *value_len = sizeof(char);
+	  }
+	  else if (*value_len < sizeof (int))
+	  {
+	    *(short*)*value = 0;
+	    *value_len = sizeof(short);
+	  }
+	  else
+	  {
+	    *(int*)*value = 0;
+	    *value_len = sizeof(int);
+	  }
+	  break;
 	default:
 	  ret = ENOPROTOOPT;
 	  break;