Added check for datalink layer define.

2006-01-06 13:21:18 +00:00
parent a7aeb6d7a2
commit 4fa917931e
1 changed files with 6 additions and 0 deletions
@@ -39,6 +39,12 @@
 // However, it could handle multiple data links with the
 // addition of passing a network number or datalink number
 // as part of the calls.
+#if defined(BACDL_ARCNET) || defined(BACDL_MSTP) || \
+  defined(BACDL_ETHERNET)  || defined(BACDL_BIP) 
+  /* valid! */
+#else
+  #error BACDL_ARCNET, BACDL_MSTP, BACDL_ETHERNET, or BACDL_BIP must be defined! 
+#endif

 /* returns number of bytes sent on success, negative on failure */
 int datalink_send_pdu(