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--- a/libmilter/sm_gethost.c 2014-03-05 01:59:45.000000000 +0100
+++ b/libmilter/sm_gethost.c 2019-11-14 18:59:41.885353232 +0100
@@ -51,18 +51,20 @@ sm_getipnodebyname(name, family, flags,
{
bool resv6 = true;
struct hostent *h;
-
+#ifdef RES_USE_INET6
if (family == AF_INET6)
{
/* From RFC2133, section 6.1 */
resv6 = bitset(RES_USE_INET6, _res.options);
_res.options |= RES_USE_INET6;
}
+#endif
SM_SET_H_ERRNO(0);
h = gethostbyname(name);
+#ifdef RES_USE_INET6
if (family == AF_INET6 && !resv6)
_res.options &= ~RES_USE_INET6;
-
+#endif
/* the function is supposed to return only the requested family */
if (h != NULL && h->h_addrtype != family)
{
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