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glibc/getaddrinfo-ipv6-sanity.diff

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References: bnc#361697
Index: sysdeps/posix/getaddrinfo.c
===================================================================
--- sysdeps/posix/getaddrinfo.c.orig
+++ sysdeps/posix/getaddrinfo.c
@@ -269,7 +269,7 @@ extern service_user *__nss_hosts_databas
static int
gaih_inet (const char *name, const struct gaih_service *service,
const struct addrinfo *req, struct addrinfo **pai,
- unsigned int *naddrs)
+ unsigned int *naddrs, bool usable_ipv6)
{
const struct gaih_typeproto *tp = gaih_inet_typeproto;
struct gaih_servtuple *st = (struct gaih_servtuple *) &nullserv;
@@ -762,7 +762,7 @@ gaih_inet (const char *name, const struc
if (fct != NULL)
{
if (req->ai_family == AF_INET6
- || req->ai_family == AF_UNSPEC)
+ || (req->ai_family == AF_UNSPEC && usable_ipv6))
{
gethosts (AF_INET6, struct in6_addr);
no_inet6_data = no_data;
@@ -2151,7 +2151,7 @@ getaddrinfo (const char *name, const cha
if (hints->ai_family == AF_UNSPEC || hints->ai_family == AF_INET
|| hints->ai_family == AF_INET6)
{
- last_i = gaih_inet (name, pservice, hints, end, &naddrs);
+ last_i = gaih_inet (name, pservice, hints, end, &naddrs, seen_ipv6);
if (last_i != 0)
{
freeaddrinfo (p);