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Date:      Sun, 21 Oct 2018 08:29:36 +0000 (UTC)
From:      Poul-Henning Kamp <phk@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r339529 - head/sys/teken
Message-ID:  <201810210829.w9L8Tapm077781@repo.freebsd.org>
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Author: phk
Date: Sun Oct 21 08:29:36 2018
New Revision: 339529
URL: https://svnweb.freebsd.org/changeset/base/339529

Log:
  Implement ECMA-48 "REP", some Linuxen have started emitting them recently.
  
  Approved by:	ed

Modified:
  head/sys/teken/gensequences
  head/sys/teken/sequences
  head/sys/teken/teken.h
  head/sys/teken/teken_subr.h

Modified: head/sys/teken/gensequences
==============================================================================
--- head/sys/teken/gensequences	Sun Oct 21 07:56:58 2018	(r339528)
+++ head/sys/teken/gensequences	Sun Oct 21 08:29:36 2018	(r339529)
@@ -158,6 +158,7 @@ for (p in l_prefix_name) {
 
 	if (l_prefix_name[p] != "teken_state_init") {
 		print "";
+		print "\tt->t_last = 0;";
 		print "\tteken_state_switch(t, teken_state_init);";
 	}
 	print "}";

Modified: head/sys/teken/sequences
==============================================================================
--- head/sys/teken/sequences	Sun Oct 21 07:56:58 2018	(r339528)
+++ head/sys/teken/sequences	Sun Oct 21 08:29:36 2018	(r339529)
@@ -114,3 +114,6 @@ C25VTSW		Cons25 switch virtual terminal		^[ [ z		r
 
 # VT52 compatibility
 #DECID		VT52 DECID				^[ Z
+
+# ECMA-48
+REP		Repeat last graphic char		^[ [ b		n

Modified: head/sys/teken/teken.h
==============================================================================
--- head/sys/teken/teken.h	Sun Oct 21 07:56:58 2018	(r339528)
+++ head/sys/teken/teken.h	Sun Oct 21 08:29:36 2018	(r339529)
@@ -157,6 +157,7 @@ struct __teken {
 
 	unsigned int	 t_utf8_left;
 	teken_char_t	 t_utf8_partial;
+	teken_char_t	 t_last;
 
 	unsigned int	 t_curscs;
 	teken_scs_t	*t_saved_curscs;

Modified: head/sys/teken/teken_subr.h
==============================================================================
--- head/sys/teken/teken_subr.h	Sun Oct 21 07:56:58 2018	(r339528)
+++ head/sys/teken/teken_subr.h	Sun Oct 21 08:29:36 2018	(r339529)
@@ -796,10 +796,11 @@ teken_subr_primary_device_attributes(const teken_t *t,
 }
 
 static void
-teken_subr_do_putchar(const teken_t *t, const teken_pos_t *tp, teken_char_t c,
+teken_subr_do_putchar(teken_t *t, const teken_pos_t *tp, teken_char_t c,
     int width)
 {
 
+	t->t_last = c;
 	if (t->t_stateflags & TS_INSERT &&
 	    tp->tp_col < t->t_winsize.tp_col - width) {
 		teken_rect_t ctr;
@@ -1332,3 +1333,12 @@ teken_subr_vertical_position_absolute(teken_t *t, unsi
 	t->t_stateflags &= ~TS_WRAPPED;
 	teken_funcs_cursor(t);
 }
+
+static void
+teken_subr_repeat_last_graphic_char(teken_t *t, unsigned int rpts)
+{
+
+	for (; t->t_last != 0 && rpts > 0; rpts--)
+		teken_subr_regular_character(t, t->t_last);
+}
+

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