[newlib-cygwin] Cygwin: pty: Fix a bug in the code removing "CSI > Pm m".

Corinna Vinschen corinna@sourceware.org
Mon Nov 23 15:23:51 GMT 2020


https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=65ee05d326ddbbc5cb60668bc5b9d631fa72ede8

commit 65ee05d326ddbbc5cb60668bc5b9d631fa72ede8
Author: Takashi Yano via Cygwin-patches <cygwin-patches@cygwin.com>
Date:   Mon Nov 23 20:03:02 2020 +0900

    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.

Diff:
---
 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 600de085c..911945675 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


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