wpa_supplicant: Initial Revision 0.8.X

Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date:   Thu Apr 21 20:41:01 2011 +0300

    Enable CONFIG_DRIVER_NL80211=y in the default configuration

    nl80211 should be preferred over WEXT with any recent Linux
    kernel version.

Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/utils/ip_addr.h b/src/utils/ip_addr.h
new file mode 100644
index 0000000..28ccaef
--- /dev/null
+++ b/src/utils/ip_addr.h
@@ -0,0 +1,34 @@
+/*
+ * IP address processing
+ * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef IP_ADDR_H
+#define IP_ADDR_H
+
+struct hostapd_ip_addr {
+	int af; /* AF_INET / AF_INET6 */
+	union {
+		struct in_addr v4;
+#ifdef CONFIG_IPV6
+		struct in6_addr v6;
+#endif /* CONFIG_IPV6 */
+		u8 max_len[16];
+	} u;
+};
+
+const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
+			    size_t buflen);
+int hostapd_ip_diff(struct hostapd_ip_addr *a, struct hostapd_ip_addr *b);
+int hostapd_parse_ip_addr(const char *txt, struct hostapd_ip_addr *addr);
+
+#endif /* IP_ADDR_H */