Initial commit

FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c

src/capwap/sock_addrlen.c

@@ -0,0 +1,61 @@
+/*
+    This file is part of libcapwap.
+
+    libcapwap 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, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#ifdef AF_LINK
+#   include <net/if_dl.h>
+#endif
+#ifdef AF_PACKET
+#   include <netpacket/packet.h>
+#endif
+
+#include "sock.h"
+
+/**
+ * Determine the length of a sockaddr struct
+ */
+int sock_addrlen(const struct sockaddr * sa)
+{
+
+	/* determine length */
+	switch(sa->sa_family){
+		case AF_INET:
+			return sizeof(struct sockaddr_in);
+#ifdef WITH_IPV6
+		case AF_INET6:	
+			return  sizeof(struct sockaddr_in6);
+#endif
+
+#ifdef AF_PACKET
+		case AF_PACKET:
+			return sizeof(struct sockaddr_ll);	
+#endif 
+
+#ifdef AF_LINK
+		case AF_LINK:
+			return sizeof(struct sockaddr_dl);	
+#endif 
+		default:
+			return 0;
+	}
+
+}
+