less/backport-makecheck-0013-lesstest-accommodate-stupid-termcap-design-where-the.patch

From 6222588ca3c784536b117a0cd04289b251046e6f Mon Sep 17 00:00:00 2001
From: Mark Nudelman <markn@greenwoodsoftware.com>
Date: Sun, 9 Oct 2022 15:30:49 -0700
Subject: [PATCH 07/48] lesstest: accommodate stupid termcap design where there
 is no exit-bold or exit-blink capabilities.

---
 lesstest/display.c   | 17 ++++++++++++-----
 lesstest/env.c       |  2 +-
 lesstest/lt_screen.c |  2 ++
 lesstest/maketest    |  8 +++++---
 lesstest/runtest     |  9 ++++++---
 5 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/lesstest/display.c b/lesstest/display.c
index dc1fa50..5c9355e 100644
--- a/lesstest/display.c
+++ b/lesstest/display.c
@@ -58,11 +58,18 @@ void display_screen(const byte* img, int imglen, int screen_width, int screen_he
 			}
 		}
 		literal = 0;
-		if (ch != 0) {
-			byte cbuf[UNICODE_MAX_BYTES];
-			byte* cp = cbuf;
-			store_wchar(&cp, ch);
-			fwrite(cbuf, 1, cp-cbuf, stdout);
+		if (move_cursor) {
+			if (ch != 0) {
+				byte cbuf[UNICODE_MAX_BYTES];
+				byte* cp = cbuf;
+				store_wchar(&cp, ch);
+				fwrite(cbuf, 1, cp-cbuf, stdout);
+			}
+		} else {
+			if (is_ascii(ch))
+				fwrite(&ch, 1, 1, stdout);
+			else
+				printf("<%lx>", (unsigned long) ch);
 		}
 		if (++x >= screen_width) {
 			printf("\n");
diff --git a/lesstest/env.c b/lesstest/env.c
index 77bfda6..76d26d0 100644
--- a/lesstest/env.c
+++ b/lesstest/env.c
@@ -74,7 +74,7 @@ static void env_setup(EnvBuf* env, char* const* prog_env, int interactive) {
 		{ "LESS_TERMCAP_ll", "\33l" },
 		{ "LESS_TERMCAP_mb", "\33b" },
 		{ "LESS_TERMCAP_md", "\33d" },
-		{ "LESS_TERMCAP_md", "\33e" },
+		{ "LESS_TERMCAP_me", "\33E" },
 		{ "LESS_TERMCAP_se", "\33t" },
 		{ "LESS_TERMCAP_so", "\33s" },
 		{ "LESS_TERMCAP_sr", "\33r" },
diff --git a/lesstest/lt_screen.c b/lesstest/lt_screen.c
index 1552557..3574320 100644
--- a/lesstest/lt_screen.c
+++ b/lesstest/lt_screen.c
@@ -254,6 +254,8 @@ static int exec_esc(wchar ch) {
 		return screen_set_attr(ATTR_BLINK);
 	case 'c': // exit blink
 		return screen_clear_attr(ATTR_BLINK);
+	case 'E': // exit bold/blink
+		return screen_clear_attr(ATTR_BOLD|ATTR_BLINK);
 	case '?': // print version string
 		write(ttyout, version, strlen(version));
 		return 1;
diff --git a/lesstest/maketest b/lesstest/maketest
index 42ce5ac..ee4ead7 100755
--- a/lesstest/maketest
+++ b/lesstest/maketest
@@ -2,14 +2,14 @@
 use strict;
 
 # Create a test file.
-my $usage = "usage: maketest [-o lt-file] [-l less.exe] [-s lt_screen] [-t lesstest] [-w width] [-h height] textfile\n";
+my $usage = "usage: maketest [-o lt-file] [-l less.exe] [-s lt_screen] [-t lesstest] [-w width] [-h height] [-O lesstest-opts] textfile\n";
 
 use Getopt::Std;
 
 exit main();
 sub main {
 	my %opt;
-	die $usage if not getopts('h:l:o:s:t:w:', \%opt);
+	die $usage if not getopts('h:l:o:O:s:t:w:', \%opt);
 	my $textfile = shift @ARGV;
 	die $usage if not defined $textfile;
 	my $lesstest  = ($opt{t} or "./lesstest");
@@ -18,7 +18,9 @@ sub main {
 	my $ltfile    = ($opt{o} or "lt/$textfile.lt");
 	my $lines     = ($opt{h} or $ENV{LINES}-1);
 	my $columns   = ($opt{w} or $ENV{COLUMNS}-1);
+	my $lt_opts   = ($opt{O} or "");
+	$lt_opts = "-$lt_opts" if $lt_opts =~ /^[^-]/;
 
-	my $cmd = "LINES=$lines COLUMNS=$columns $lesstest -o '$ltfile' -- $less '$textfile'";
+	my $cmd = "LINES=$lines COLUMNS=$columns $lesstest $lt_opts -o '$ltfile' -- $less '$textfile'";
 	exit system $cmd;
 }
diff --git a/lesstest/runtest b/lesstest/runtest
index 93ae80f..fe7fcab 100755
--- a/lesstest/runtest
+++ b/lesstest/runtest
@@ -2,7 +2,7 @@
 use strict;
 
 # Run one or more test files.
-my $usage = "usage: run [-d lesstest-dir] [-l less.exe] [-r temp-dir] [-s lt_screen] [-t lesstest] [file.lt | dir]...\n";
+my $usage = "usage: run [-d lesstest-dir] [-l less.exe] [-r temp-dir] [-s lt_screen] [-t lesstest] [-O lesstest-opts] [file.lt | dir]...\n";
 
 use Getopt::Std;
 use Cwd;
@@ -11,11 +11,12 @@ my $rundir;
 my $lesstest;
 my $lt_screen;
 my $less;
+my $lt_opts;
 
 exit main();
 sub main {
 	my %opt;
-	die $usage if not getopts('d:l:r:s:t:', \%opt);
+	die $usage if not getopts('d:l:O:r:s:t:', \%opt);
 	die $usage if not @ARGV;
 
 	my $cwd = getcwd();
@@ -24,6 +25,8 @@ sub main {
 	$lesstest   = (rfile($opt{t}, $cwd) or "$srcdir/lesstest");
 	$lt_screen  = (rfile($opt{s}, $cwd) or "$srcdir/lt_screen");
 	$less       = (rfile($opt{l}, $cwd) or "$srcdir/../obj/less");
+	$lt_opts    = ($opt{O} or "");
+	$lt_opts = "-$lt_opts" if $lt_opts =~ /^[^-]/;
 	die "cannot execute $lesstest"   if not -x $lesstest;
 	die "cannot execute $lt_screen"  if not -x $lt_screen;
 	die "cannot execute $less"       if not -x $less;
@@ -57,7 +60,7 @@ sub run {
 		return 1;
 	}
 	print "TEST $file\n";
-	my $cmd = "$lesstest -s '$lt_screen' -t '$file' '$less'";
+	my $cmd = "$lesstest $lt_opts -s '$lt_screen' -t '$file' '$less'";
 	my $err = system $cmd;
 	if ($err) {
 		print "ERR  status $err from $cmd\n";
-- 
2.27.0