1 files changed, 70 insertions, 0 deletions
diff --git a/lib/dns/include/dns/iptable.h b/lib/dns/include/dns/iptable.h
new file mode 100644
index 0000000..d7eb140
--- /dev/null
+++ b/lib/dns/include/dns/iptable.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2007  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: iptable.h,v 1.4 2007/09/14 01:46:05 marka Exp $ */
+
+#ifndef DNS_IPTABLE_H
+#define DNS_IPTABLE_H 1
+
+#include <isc/lang.h>
+#include <isc/magic.h>
+#include <isc/radix.h>
+
+struct dns_iptable {
+	unsigned int		magic;
+	isc_mem_t		*mctx;
+	isc_refcount_t		refcount;
+	isc_radix_tree_t	*radix;
+	ISC_LINK(dns_iptable_t)	nextincache;
+};
+
+#define DNS_IPTABLE_MAGIC	ISC_MAGIC('T','a','b','l')
+#define DNS_IPTABLE_VALID(a)	ISC_MAGIC_VALID(a, DNS_IPTABLE_MAGIC)
+
+/***
+ *** Functions
+ ***/
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+dns_iptable_create(isc_mem_t *mctx, dns_iptable_t **target);
+/*
+ * Create a new IP table and the underlying radix structure
+ */
+
+isc_result_t
+dns_iptable_addprefix(dns_iptable_t *tab, isc_netaddr_t *addr,
+		      isc_uint16_t bitlen, isc_boolean_t pos);
+/*
+ * Add an IP prefix to an existing IP table
+ */
+
+isc_result_t
+dns_iptable_merge(dns_iptable_t *tab, dns_iptable_t *source, isc_boolean_t pos);
+/*
+ * Merge one IP table into another one.
+ */
+
+void
+dns_iptable_attach(dns_iptable_t *source, dns_iptable_t **target);
+
+void
+dns_iptable_detach(dns_iptable_t **tabp);
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_IPTABLE_H */