1 files changed, 68 insertions, 0 deletions
diff --git a/src/iaddr.c b/src/iaddr.c
new file mode 100644
index 0000000..2c5cbeb
--- /dev/null
+++ b/src/iaddr.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016-2021, OARC, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "iaddr.h"
+
+const char* ia_str(iaddr ia)
+{
+    static char inet[INET_ADDRSTRLEN], inet6[INET6_ADDRSTRLEN];
+
+    switch (ia.af) {
+    case AF_INET:
+        if (inet_ntop(ia.af, &ia.u, inet, sizeof(inet)))
+            return inet;
+        return "255.255.255.255";
+    case AF_INET6:
+        if (inet_ntop(ia.af, &ia.u, inet6, sizeof(inet6)))
+            return inet6;
+        return "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff";
+    }
+
+    return "UNKNOWN";
+}
+
+int ia_equal(iaddr x, iaddr y)
+{
+    if (x.af != y.af)
+        return FALSE;
+    switch (x.af) {
+    case AF_INET:
+        return (x.u.a4.s_addr == y.u.a4.s_addr);
+    case AF_INET6:
+        return (memcmp(&x.u.a6.s6_addr, &y.u.a6.s6_addr, sizeof(x.u.a6.s6_addr)) == 0);
+    }
+    return FALSE;
+}