(display_mode_element): Don't read past end of string if it ends with '%'.

2 files changed, 6 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 0759eb45bea..5dc65795829 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2001-12-07  Andreas Schwab  <schwab@suse.de>
 
+        * xdisp.c (display_mode_element): Don't read past end of string if
+        it ends with '%'.
+
         * alloc.c (inhibit_garbage_collection): Don't exceed value an int
         can hold.
 
diff --git a/src/xdisp.c b/src/xdisp.c
index d103230a698..91558067d1f 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -13461,7 +13461,7 @@ display_mode_line (w, face_id, format)
    FIELD_WIDTH is the number of characters the display of ELT should
    occupy in the mode line, and PRECISION is the maximum number of
    characters to display from ELT's representation.  See
-   display_string for details.  *
+   display_string for details.
 
    Returns the hpos of the end of the text generated by ELT.  */
 
@@ -13584,6 +13584,8 @@ display_mode_element (it, depth, field_width, precision, elt)
                           }
                       }
                   }
+                else /* c == 0 */
+                  break;
               }
           }
       }