Merged the hostap_2.6 updates, and the Leap of Faith work, from the hostap_update...

[mech_eap.git] / libeap / src / ap / vlan.c

diff --git a/libeap/src/ap/vlan.c b/libeap/src/ap/vlan.c
new file mode 100644 (file)
index 0000000..b6f6bb1
--- /dev/null
+++ b/libeap/src/ap/vlan.c
@@ -0,0 +1,34 @@
+/*
+ * hostapd / VLAN definition
+ * Copyright (c) 2016, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "ap/vlan.h"
+
+/* compare the two arguments, NULL is treated as empty
+ * return zero iff they are equal
+ */
+int vlan_compare(struct vlan_description *a, struct vlan_description *b)
+{
+       int i;
+       const int a_empty = !a || !a->notempty;
+       const int b_empty = !b || !b->notempty;
+
+       if (a_empty && b_empty)
+               return 0;
+       if (a_empty || b_empty)
+               return 1;
+       if (a->untagged != b->untagged)
+               return 1;
+       for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) {
+               if (a->tagged[i] != b->tagged[i])
+                       return 1;
+       }
+       return 0;
+}