+/**
+ * Function called to convert a string address to
+ * a binary address.
+ *
+ * @param cls closure ('struct Plugin*')
+ * @param addr string address
+ * @param addrlen length of the address
+ * @param buf location to store the buffer
+ * @param added location to store the number of bytes in the buffer.
+ * If the function returns GNUNET_SYSERR, its contents are undefined.
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+static int
+wlan_string_to_address (void *cls, const char *addr, uint16_t addrlen,
+ void **buf, size_t *added)
+{
+ struct GNUNET_TRANSPORT_WLAN_MacAddress *mac;
+ unsigned int a[6];
+ unsigned int i;
+
+ if ((NULL == addr) || (addrlen == 0))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if ('\0' != addr[addrlen - 1])
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if (strlen (addr) != addrlen - 1)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if (6 != SSCANF (addr,
+ "%X:%X:%X:%X:%X:%X",
+ &a[0], &a[1], &a[2], &a[3], &a[4], &a[5]))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ mac = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_WLAN_MacAddress));
+ for (i=0;i<6;i++)
+ mac->mac[i] = a[i];
+ *buf = mac;
+ *added = sizeof (struct GNUNET_TRANSPORT_WLAN_MacAddress);
+ return GNUNET_OK;
+}
+
+