Add stuff from the FreeBSD gencode.c to a comment.

diff --git a/gencode.c b/gencode.c
index 4382ec5dc2a92ee0faa51c19e98a1bbd6fa4fef1..94585532eec9b9ff1b3dfe23dfe355309e541abc 100644 (file)
--- a/gencode.c
+++ b/gencode.c
@@ -21,7 +21,7 @@
  */
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.196 2004-01-14 01:09:03 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.197 2004-01-29 10:25:19 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -837,7 +837,9 @@ init_linktype(type)
                 *
                 * XXX - the header is actually variable-length.  We
                 * assume a 24-byte link-layer header, as appears in
-                * data frames in networks with no bridges.
+                * data frames in networks with no bridges.  If the
+                * fromds and tods 802.11 header bits are both set,
+                * it's actually supposed to be 30 bytes.
                 */
                off_linktype = 24;
                off_nl = 32;            /* 802.11+802.2+SNAP */