Sync to HEAD

[bpt/emacs.git] / lisp / image.el

diff --git a/lisp/image.el b/lisp/image.el
index 25d05c9..0e71bd4 100644 (file)
--- a/lisp/image.el
+++ b/lisp/image.el
@@ -67,7 +67,8 @@ We accept the tag Exif because that is the same format."
            (when (and (>= code #xe0) (<= code #xef))
              ;; APP0 LEN1 LEN2 "JFIF\0"
              (throw 'jfif
-                    (string-match "JFIF\\|Exif" (substring data i (+ i nbytes)))))
+                    (string-match "JFIF\\|Exif"
+                                  (substring data i (min (+ i nbytes) len)))))
            (setq i (+ i 1 nbytes))))))))
 
 
@@ -292,4 +293,5 @@ Example:
 
 (provide 'image)
 
+;;; arch-tag: 8e76a07b-eb48-4f3e-a7a0-1a7ba9f096b3
 ;;; image.el ends here