From e773470a43973120b763c287ebf8f49cb949a7b9 Mon Sep 17 00:00:00 2001
From: Hugh Graham <hugh@cvs.openbsd.org>
Date: Sun, 31 Dec 2000 00:24:52 +0000
Subject: Redress PR 1547. Provide an option to pass high characters without
 escaping, and turn it off by default. Checked by angelos@.

---
 usr.bin/talk/display.c   | 11 +++++------
 usr.bin/talk/get_names.c | 11 +++++++++--
 usr.bin/talk/talk.1      |  9 ++++++++-
 usr.bin/talk/talk.h      |  3 ++-
 4 files changed, 24 insertions(+), 10 deletions(-)

(limited to 'usr.bin')

diff --git a/usr.bin/talk/display.c b/usr.bin/talk/display.c
index 81b67d4f02e..0276eb104a5 100644
--- a/usr.bin/talk/display.c
+++ b/usr.bin/talk/display.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: display.c,v 1.7 2000/12/30 06:27:48 angelos Exp $	*/
+/*	$OpenBSD: display.c,v 1.8 2000/12/31 00:24:51 hugh Exp $	*/
 /*	$NetBSD: display.c,v 1.3 1994/12/09 02:14:13 jtc Exp $	*/
 
 /*
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)display.c	8.1 (Berkeley) 6/6/93";
 #endif
-static char rcsid[] = "$OpenBSD: display.c,v 1.7 2000/12/30 06:27:48 angelos Exp $";
+static char rcsid[] = "$OpenBSD: display.c,v 1.8 2000/12/31 00:24:51 hugh Exp $";
 #endif /* not lint */
 
 /*
@@ -52,10 +52,8 @@ xwin_t	my_win;
 xwin_t	his_win;
 WINDOW	*line_win;
 
-#undef isprint
-#define isprint(n) ((unsigned char)(n)>31)
-
 int	curses_initialized = 0;
+int	high_print = 0;
 
 /*
  * max HAS to be a function, it is called with
@@ -152,7 +150,8 @@ display(win, text, size)
 			/* check for wraparound */
 			xscroll(win, 0);
 		}
-		if (!isprint(*text) && *text != '\t') {
+		if (*text != '\t' &&
+		    ((!high_print && !isprint(*text)) || iscntrl(*text))) {
 			waddch(win->x_win, '^');
 			getyx(win->x_win, win->x_line, win->x_col);
 			if (win->x_col == COLS-1) /* check for wraparound */
diff --git a/usr.bin/talk/get_names.c b/usr.bin/talk/get_names.c
index 8f7ec926983..abed8c2eaa1 100644
--- a/usr.bin/talk/get_names.c
+++ b/usr.bin/talk/get_names.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: get_names.c,v 1.6 1998/08/18 04:02:13 millert Exp $	*/
+/*	$OpenBSD: get_names.c,v 1.7 2000/12/31 00:24:51 hugh Exp $	*/
 /*	$NetBSD: get_names.c,v 1.4 1994/12/09 02:14:16 jtc Exp $	*/
 
 /*
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)get_names.c	8.1 (Berkeley) 6/6/93";
 #endif
-static char rcsid[] = "$OpenBSD: get_names.c,v 1.6 1998/08/18 04:02:13 millert Exp $";
+static char rcsid[] = "$OpenBSD: get_names.c,v 1.7 2000/12/31 00:24:51 hugh Exp $";
 #endif /* not lint */
 
 #include "talk.h"
@@ -63,6 +63,13 @@ get_names(argc, argv)
 	register char *cp;
 	char *names;
 
+	if (argc > 1 && !strcmp(argv[1], "-H")) {
+		argv[1] = argv[0];
+		++argv;
+		--argc;
+		high_print = 1;
+	}
+
 	if ((argc < 2 ) || ('@' == argv[1][0])) {
 		fprintf(stderr, "usage: talk user [ttyname]\n"
 				"       talk user@hostname [ttyname]\n");
diff --git a/usr.bin/talk/talk.1 b/usr.bin/talk/talk.1
index 4d289b6599f..326db6fa8da 100644
--- a/usr.bin/talk/talk.1
+++ b/usr.bin/talk/talk.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: talk.1,v 1.12 2000/06/19 18:39:27 aaron Exp $
+.\"	$OpenBSD: talk.1,v 1.13 2000/12/31 00:24:51 hugh Exp $
 .\"	$NetBSD: talk.1,v 1.3 1994/12/09 02:14:23 jtc Exp $
 .\"
 .\" Copyright (c) 1983, 1990, 1993
@@ -42,6 +42,7 @@
 .Nd talk to another user
 .Sh SYNOPSIS
 .Nm talk
+.Op Fl H
 .Ar person
 .Op Ar ttyname
 .Sh DESCRIPTION
@@ -69,6 +70,12 @@ is of the form
 .Ql ttyXX .
 .El
 .Pp
+If the
+.Fl H
+argument is given, talk will not escape high characters.
+This may be useful for certain character sets, but could cause erratic 
+behaviour on some terminals.
+.Pp
 When first called,
 .Nm
 sends the message
diff --git a/usr.bin/talk/talk.h b/usr.bin/talk/talk.h
index 5d8c76696da..352a5eb1ad6 100644
--- a/usr.bin/talk/talk.h
+++ b/usr.bin/talk/talk.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: talk.h,v 1.5 1999/03/03 20:43:31 millert Exp $	*/
+/*	$OpenBSD: talk.h,v 1.6 2000/12/31 00:24:51 hugh Exp $	*/
 /*	$NetBSD: talk.h,v 1.3 1994/12/09 02:14:27 jtc Exp $	*/
 
 /*
@@ -47,6 +47,7 @@
 extern	int sockt;
 extern	int curses_initialized;
 extern	int invitation_waiting;
+extern	int high_print;
 
 extern	char *current_state;
 extern	int current_line;
-- 
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