From 43d53386206b0eadafcfaf9e3406cef24d39075a Mon Sep 17 00:00:00 2001
From: Takashi Yano via Cygwin-patches <cygwin-patches@cygwin.com>
Date: Mon, 23 Nov 2020 20:03:02 +0900
Subject: [PATCH] Cygwin: pty: Fix a bug in the code removing "CSI > Pm m".

- The code added by 8121b606e843c001d5ca5213d24099e04ebc62ca has a
  bug which fails to remove multiple "CSI > Pm m" sequences. This
  patch fixes the bug.
---
 winsup/cygwin/fhandler_tty.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 1033a2087..4aa9a4dd1 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -2063,6 +2063,7 @@ fhandler_pty_master::pty_master_fwd_thread ()
 		memmove (&outbuf[start_at], &outbuf[i+1], rlen-i-1);
 		rlen = wlen = start_at + rlen - i - 1;
 		state = 0;
+		i = start_at - 1;
 		continue;
 	      }
 	    else