From: Eli Zaretskii <eliz@gnu.org>
Date: Mon, 25 Jul 2022 18:59:55 +0000 (+0300)
Subject: Avoid infloop in 'recenter'
X-Git-Tag: emacs-28.1.91~17
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=970190b84485e4511b094546395a7e710f894fae;p=emacs.git

Avoid infloop in 'recenter'

* src/window.c (Frecenter): Avoid infinite loop in the minibuffer
under 'fido-vertical-mode'.  (Bug#56765)
---

diff --git a/src/window.c b/src/window.c
index 0cf6373e0b0..2576b66a181 100644
--- a/src/window.c
+++ b/src/window.c
@@ -6631,7 +6631,7 @@ and redisplay normally--don't erase and redraw the frame.  */)
 	     considered to be part of the visible height of the line.
 	  */
 	  h += extra_line_spacing;
-	  while (-it.current_y > h)
+	  while (-it.current_y > h && it.what != IT_EOB)
 	    move_it_by_lines (&it, 1);
 
 	  charpos = IT_CHARPOS (it);