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-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=578b78a0f92cb6732d1b76d76933b376be85de55;p=pspp

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

diff --git a/ChangeLog b/ChangeLog
index edb56caf85..be91c01f8e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+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.
diff --git a/lib/getaddrinfo.c b/lib/getaddrinfo.c
index cc718bcf33..aa07903445 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);