1 files changed, 23 insertions, 0 deletions
diff --git a/src/shared/in-addr-prefix-util.h b/src/shared/in-addr-prefix-util.h
new file mode 100644
index 0000000..53aaad3
--- /dev/null
+++ b/src/shared/in-addr-prefix-util.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "conf-parser.h"
+#include "in-addr-util.h"
+#include "set.h"
+
+struct in_addr_prefix {
+        int family;
+        uint8_t prefixlen;
+        union in_addr_union address;
+};
+
+int in_addr_prefix_add(Set **prefixes, const struct in_addr_prefix *prefix);
+int in_addr_prefixes_reduce(Set *prefixes);
+int in_addr_prefixes_merge(Set **dest, Set *src);
+/* Returns true if a set contains the two items necessary for "any" (0.0.0.0/0 and ::/0). */
+bool in_addr_prefixes_is_any(Set *prefixes);
+
+extern const struct hash_ops in_addr_prefix_hash_ops;
+extern const struct hash_ops in_addr_prefix_hash_ops_free;
+
+CONFIG_PARSER_PROTOTYPE(config_parse_in_addr_prefixes);