- Midnight commander (mc) does not work after the commit
1626569222066ee601f6c41b29efcc95202674b7 as reported in
https://www.cygwin.com/ml/cygwin/2019-12/msg00173.html.
This patch fixes the issue.
---
winsup/cygwin/fhandler_tty.cc | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 1d344c7fe..8c3a6e72e 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -1262,16 +1262,19 @@ fhandler_pty_slave::push_to_pcon_screenbuffer (const
char *ptr, size_t len)
while ((p0 = (char *) memmem (p0, nlen - (p0 - buf), "\033[?", 3)))
{
p0 += 3;
- while (p0 < buf + nlen && *p0 != 'h' && *p0 != 'l')
+ bool exist_arg_3 = false;
+ while (p0 < buf + nlen && !isalpha (*p0))
{
int arg = 0;
while (p0 < buf + nlen && isdigit (*p0))
arg = arg * 10 + (*p0 ++) - '0';
if (arg == 3)
- get_ttyp ()->need_redraw_screen = true;
+ exist_arg_3 = true;
if (p0 < buf + nlen && *p0 == ';')
p0 ++;
}
+ if (p0 < buf + nlen && exist_arg_3 && (*p0 == 'h' || *p0 == 'l'))
+ get_ttyp ()->need_redraw_screen = true;
p0 ++;
if (p0 >= buf + nlen)
break;
--
2.21.0
