From 343eedd542a30c183f2d134b7668d07cab0a5769 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Fri, 1 Nov 1996 18:05:40 +0000
Subject: Deal with connect(2) bug.

svn path=/trunk/; revision=465
---
 socket.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'socket.c')

diff --git a/socket.c b/socket.c
index f0020adf..9d716dcb 100644
--- a/socket.c
+++ b/socket.c
@@ -51,8 +51,19 @@ int clientPort;
     sock = socket(AF_INET, SOCK_STREAM, 0);
     if (sock < 0)
         return (FILE *)NULL;
-    if (connect(sock, (struct sockaddr *) &ad, sizeof(ad)) < 0)
+
+    /*
+     * Return of connect(2) doesn't seem to reliably return -1 on 
+     * ENETUNREACH failure
+     */
+    errno = 0;
+    connect(sock, (struct sockaddr *) &ad, sizeof(ad));
+    if (errno != 0);
+    {
+	close(sock);
         return (FILE *)NULL;
+    }
+
     return fdopen(sock, "r+");
 }
 
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