Fix bug with wraparound detection when the duplicate ID block gets

cut off by the DMK buffer filling up.  The fix is to stop decoding
when the buffer fills up, so that we don't detect such a header in
the first place.

Author: TimothyPMann

ChangeLog

@@ -1,3 +1,8 @@
+* Fix bug with wraparound detection when the duplicate ID block gets
+  cut off by the DMK buffer filling up.  The fix is to stop decoding
+  when the buffer fills up, so that we don't detect such a header in
+  the first place.
+
 4.10.0 -- Mon Mar 11 19:30:33 UTC 2024 -- Tim Mann, Quentin Barnes
 
 * Add -S option.  This option allows the user to specify a minimum

cw2dmk.c

@@ -852,6 +852,7 @@ process_bit(int bit)
   unsigned char val = 0;
   int i;
 
+  if (dmk_full) return;
   accum = (accum << 1) + bit;
   taccum = (taccum << 1) + bit;
   bits++;