From: Alan Mackenzie <acm@muc.de>
Date: Sun, 7 Aug 2022 12:26:16 +0000 (+0000)
Subject: CC Mode: Fix looping in patch from yesterday
X-Git-Tag: emacs-29.0.90~1447^2~344
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a332034160bf8e1f38039cd2d37898de6f94508f;p=emacs.git

CC Mode: Fix looping in patch from yesterday

* lisp/progmodes/cc-mode.el (c-before-change-check-unbalanced-strings)
(c-after-change-mark-abnormal-strings): Check (eobp) in loops advancing over
escaped newlines.
---

diff --git a/lisp/progmodes/cc-mode.el b/lisp/progmodes/cc-mode.el
index ca4df2d1c7e..027fd8f42f5 100644
--- a/lisp/progmodes/cc-mode.el
+++ b/lisp/progmodes/cc-mode.el
@@ -1520,7 +1520,9 @@ Note that the style variables are always made local to the buffer."
       ;; was before unescaping a NL.)
       (while
 	  (progn (end-of-line)
-		 (eq (char-before) ?\\))
+		 (and
+		  (eq (char-before) ?\\)
+		  (not (eobp))))
 	(forward-line))
       ;; We're at an EOLL or point-max.
       (if (equal (c-get-char-property (point) 'syntax-table) '(15))
@@ -1641,7 +1643,9 @@ Note that the style variables are always made local to the buffer."
 		end))
 	     (while
 		 (progn (end-of-line)
-			(eq (char-before) ?\\))
+			(and
+			 (eq (char-before) ?\\)
+			 (not (eobp))))
 	       (forward-line))
 	     (point))
 	   c-new-END))