Resurrect the 'cdelay' and 'ldelay' features of /usr/bin/tip.

usr.bin/tip/tip/cmds.c

@@ -48,6 +48,7 @@ static const char rcsid[] =
 #include <err.h>
 #include <libutil.h>
 #include <stdio.h>
+#include <unistd.h>
 
 /*
  * tip
@@ -560,6 +561,21 @@ cu_put(cc)
 	transmit(fd, "\04", line);
 }
 
+
+static int
+nap(msec)
+	int msec; /* milliseconds */
+{
+	if (usleep(msec*1000) != 0) {
+		fprintf ( stderr, "warning: ldelay or cdelay interrupted, "
+			  "delay time cut short: %s\n",
+			  strerror(errno) );
+	}
+
+	return 0;
+}
+
+
 /*
  * FTP - send single character
  *  wait for echo & handle timeout
@@ -573,15 +589,11 @@ send(c)
 
 	cc = c;
 	xpwrite(FD, &cc, 1);
-#ifdef notdef
 	if (number(value(CDELAY)) > 0 && c != '\r')
 		nap(number(value(CDELAY)));
-#endif
 	if (!boolean(value(ECHOCHECK))) {
-#ifdef notdef
 		if (number(value(LDELAY)) > 0 && c == '\r')
 			nap(number(value(LDELAY)));
-#endif
 		return;
 	}
 tryagain:

usr.bin/tip/tip/tip.1

@@ -269,6 +269,11 @@ abbreviated
 (num) The baud rate at which the connection was established;
 abbreviated
 .Ar ba  .
+.It Ar chardelay
+(num) Number of milliseconds to delay after the transmission of
+each character;
+abbreviated
+.Ar cdelay  .
 .It Ar dialtimeout
 (num) When dialing a phone number, the time (in seconds)
 to wait for a connection to be established; abbreviated
@@ -310,6 +315,11 @@ writes when receiving files; abbreviated
 .It Ar host
 (str) The name of the host to which you are connected; abbreviated
 .Ar ho  .
+.It Ar linedelay
+(num) Number of milliseconds to delay after the transmission of
+each line;
+abbreviated
+.Ar ldelay  .
 .It Ar login
 (str) Pathname of a login shell script to run once connected; standard input
 and output are redirected to the remote host.