[PATCH] Cygwin: pty: Add a workaround for rlwrap.

Takashi Yano takashi.yano@nifty.ne.jp
Mon Dec 14 08:26:47 GMT 2020


- If rlwrap is used with non-cygwin apps, it fails to setup pseudo
  console. This patch adds a workaround for this issue.
---
 winsup/cygwin/fhandler_tty.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 04a9a2bf5..5f38ca8d3 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -1109,6 +1109,11 @@ fhandler_pty_slave::tcgetattr (struct termios *t)
 {
   reset_switch_to_pcon ();
   *t = get_ttyp ()->ti;
+  /* Workaround for rlwrap */
+  if (get_ttyp ()->pcon_start)
+    t->c_lflag &= ~ICANON;
+  else if (get_ttyp ()->h_pseudo_console)
+    t->c_iflag &= ~ICRNL;
   return 0;
 }
 
-- 
2.29.2



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