$NetBSD: patch-an,v 1.1 2006/10/30 03:33:59 jlam Exp $

--- unix/serial.c.orig	2003-05-29 02:08:49.000000000 -0400
+++ unix/serial.c
@@ -638,8 +638,8 @@ fsserial_lockfile (flok, qconn)
 	  char *zl;
 
 	  zl = zalc + sizeof LCK_TEMPLATE + clen - 2;
-	  if (isupper (*zl))
-	    *zl = tolower (*zl);
+	  if (isupper (BUCHAR (*zl)))
+	    *zl = tolower (BUCHAR (*zl));
 	}
 #endif
 	z = zalc;
@@ -2540,7 +2540,7 @@ fsysdep_conn_read (qconn, zbuf, pclen, c
 	  else
 	    csleepchars = MAX_INPUT - 10;
 
-	  isleep = (int) (((long) csleepchars * 10000L) / q->ibaud);
+	  isleep = (int) (((long) csleepchars * 10000L) / (q->ibaud + 1));
 	  isleep -= 10;
 
 	  if (isleep > 10)
@@ -2956,8 +2956,8 @@ fsysdep_conn_io (qconn, zwrite, pcwrite,
 	      cwait = 1024;
 	      if (cwait > cread)
 		cwait = cread;
-	      stime.tv_sec = (cwait * 10) / q->ibaud;
-	      stime.tv_usec = ((((cwait * 1000000) / q->ibaud) * 10)
+	      stime.tv_sec = (cwait * 10) / (q->ibaud + 1);
+	      stime.tv_usec = ((((cwait * 1000000) / (q->ibaud + 1)) * 10)
 			       % 1000000);
 	    }
 	  else
@@ -3048,7 +3048,7 @@ fsysdep_conn_io (qconn, zwrite, pcwrite,
                  that HAVE_RESTARTABLE_SYSCALLS is 0.  */
 	      usset_signal (SIGALRM, usalarm, TRUE, (boolean *) NULL);
 	      if (q->fterminal)
-		alarm ((int) ((long) 10240 / q->ibaud) + 1);
+		alarm ((int) ((long) 10240 / (q->ibaud + 1)) + 1);
 	      else
 		alarm (1);