From: Bruno Haible <bruno@clisp.org>
Date: Mon, 26 Mar 2007 10:13:27 +0000 (+0000)
Subject: Don't access hints->ai_flags when hints is NULL.
X-Git-Tag: cvs-readonly~662
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=578b78a0f92cb6732d1b76d76933b376be85de55;p=gnulib.git

Don't access hints->ai_flags when hints is NULL.
---

diff --git a/ChangeLog b/ChangeLog
index edb56caf8..be91c01f8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2007-03-25  Bruno Haible  <bruno@clisp.org>
 
+	* lib/getaddrinfo.c (getaddrinfo): Don't access hints->ai_flags when
+	hints is NULL.
+
+2007-03-25  Bruno Haible  <bruno@clisp.org>
+
 	* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Add a cast.
 	* lib/uniconv/u8-strconv-to-enc.c (u8_strconv_to_encoding): Likewise.
 
diff --git a/lib/getaddrinfo.c b/lib/getaddrinfo.c
index cc718bcf3..aa0790344 100644
--- a/lib/getaddrinfo.c
+++ b/lib/getaddrinfo.c
@@ -179,7 +179,7 @@ getaddrinfo (const char *restrict nodename,
       const char *proto =
 	(hints && hints->ai_socktype == SOCK_DGRAM) ? "udp" : "tcp";
 
-      if (!(hints->ai_flags & AI_NUMERICSERV))
+      if (hints == NULL || !(hints->ai_flags & AI_NUMERICSERV))
 	/* FIXME: Use getservbyname_r if available. */
 	se = getservbyname (servname, proto);