save errno in example code. from mpech@ ok jmc@

1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libc/net/getaddrinfo.3 b/src/lib/libc/net/getaddrinfo.3
index 7c3bfe40d7..b7494be811 100644
--- a/src/lib/libc/net/getaddrinfo.3
+++ b/src/lib/libc/net/getaddrinfo.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: getaddrinfo.3,v 1.41 2005/07/05 22:21:16 dlg Exp $
+.\"     $OpenBSD: getaddrinfo.3,v 1.42 2005/11/13 13:22:57 otto Exp $
 .\"     $KAME: getaddrinfo.3,v 1.36 2005/01/05 03:23:05 itojun Exp $
 .\"
 .\" Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
@@ -304,6 +304,7 @@ returns addresses that are not IPv4/v6.
 .Bd -literal -offset indent
 struct addrinfo hints, *res, *res0;
 int error;
+int save_errno = errno;
 int s;
 const char *cause = NULL;
 
@@ -327,6 +328,7 @@ for (res = res0; res; res = res->ai_next) {
         if (connect(s, res->ai_addr, res->ai_addrlen) < 0) {
                 cause = "connect";
                 close(s);
+                errno = save_errno;
                 s = -1;
                 continue;
         }