From e425f854f30b4aac73716c7cab8eae0cb3279364 Mon Sep 17 00:00:00 2001 From: Chris Hanson Date: Sun, 11 Jun 2006 03:03:22 +0000 Subject: [PATCH] Generate sensible error message when GET-HOST-BY-NAME returns #F. --- v7/src/runtime/socket.scm | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/v7/src/runtime/socket.scm b/v7/src/runtime/socket.scm index 32b844c71..8b6a6885e 100644 --- a/v7/src/runtime/socket.scm +++ b/v7/src/runtime/socket.scm @@ -1,9 +1,9 @@ #| -*-Scheme-*- -$Id: socket.scm,v 1.26 2005/10/23 21:10:02 cph Exp $ +$Id: socket.scm,v 1.27 2006/06/11 03:03:22 cph Exp $ Copyright 1996,1997,1998,1999,2001,2002 Massachusetts Institute of Technology -Copyright 2003,2004,2005 Massachusetts Institute of Technology +Copyright 2003,2004,2005,2006 Massachusetts Institute of Technology This file is part of MIT/GNU Scheme. @@ -38,7 +38,12 @@ USA. (make-generic-i/o-port channel channel))) (define (open-tcp-stream-socket-channel host-name service) - (let ((host (vector-ref (get-host-by-name host-name) 0)) + (let ((host + (vector-ref (or (get-host-by-name host-name) + (error:bad-range-argument + host-name + 'open-tcp-stream-socket-channel)) + 0)) (port (tcp-service->port service))) (open-channel (lambda (p) -- 2.25.1