1 files changed, 59 insertions, 0 deletions
diff --git a/src/compat.h b/src/compat.h
new file mode 100644
index 0000000..478788c
--- /dev/null
+++ b/src/compat.h
@@ -0,0 +1,59 @@
+/* Authors: Martin Nagy <mnagy@redhat.com>
+ *
+ * Copyright (C) 2009  Red Hat
+ * see file 'COPYING' for use and warranty information
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 only
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#else
+#error "Can't compile without config.h"
+#endif
+
+/*
+ * dns_rdatalist_fromrdataset() did not exist in older versions of libdns.
+ * Add a substitude function here.
+ */
+#if LIBDNS_VERSION_MAJOR < 40
+static inline isc_result_t
+dns_rdatalist_fromrdataset(dns_rdataset_t *rdataset,
+			   dns_rdatalist_t **rdatalist)
+{
+	REQUIRE(rdatalist != NULL && rdataset != NULL);
+
+	*rdatalist = rdataset->private1;
+
+	return ISC_R_SUCCESS;
+}
+#endif /* LIBDNS_VERSION_MAJOR < 40 */
+
+/*
+ * In older libdns versions, isc_refcount_init() was defined as a macro.
+ * However, in newer versions, it is a function returning isc_result_t type.
+ * This piece of code should take care of that problem.
+ */
+#if LIBDNS_VERSION_MAJOR < 30
+#include <isc/refcount.h>
+
+static inline isc_result_t
+isc_refcount_init_func(isc_refcount_t *ref, unsigned int n)
+{
+	isc_refcount_init(ref, n);
+	return ISC_R_SUCCESS;
+}
+#undef isc_refcount_init
+#define isc_refcount_init isc_refcount_init_func
+#endif /* LIBDNS_VERSION_MAJOR < 30 */