From 03886eeeaa4fd394d446d6594be2c92b98e8de57 Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Sun, 8 Oct 2000 13:21:17 +0000
Subject: [PATCH] (doit_active): check that fds are not too large to select on

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9100 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 appl/kx/kx.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/appl/kx/kx.c b/appl/kx/kx.c
index fa047ca09..81e80e2d9 100644
--- a/appl/kx/kx.c
+++ b/appl/kx/kx.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
+ * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  * 
@@ -448,8 +448,11 @@ doit_active (kx_context *kc)
 	socklen_t zero = 0;
 
 	FD_ZERO(&fdset);
-	for (i = 0; i < nsockets; ++i)
+	for (i = 0; i < nsockets; ++i) {
+	    if (sockets[i].fd >= FD_SETSIZE) 
+		errx (1, "fd too large");
 	    FD_SET(sockets[i].fd, &fdset);
+	}
 	if (select(FD_SETSIZE, &fdset, NULL, NULL, NULL) <= 0)
 	    continue;
 	for (i = 0; i < nsockets; ++i)