A possible fix for bug #14753 with aborts in get_local_map.

src/intervals.c (get_local_map): Instead of aborting, clip POSITION
 to the valid range of values.
This commit is contained in:
Eli Zaretskii 2013-06-30 18:03:31 +03:00
parent 0ba54312c9
commit 5d1c328614
2 changed files with 5 additions and 6 deletions

View file

@ -1,5 +1,8 @@
2013-06-30 Eli Zaretskii <eliz@gnu.org>
* intervals.c (get_local_map): Instead of aborting, clip POSITION
to the valid range of values. (Bug#14753)
* xdisp.c (Fmove_point_visually): Invalidate the cursor position
when moving point by using the current glyph matrix. This avoids
the need to force redisplay when this function is called in a

View file

@ -2196,9 +2196,7 @@ get_property_and_range (ptrdiff_t pos, Lisp_Object prop, Lisp_Object *val,
/* Return the proper local keymap TYPE for position POSITION in
BUFFER; TYPE should be one of `keymap' or `local-map'. Use the map
specified by the PROP property, if any. Otherwise, if TYPE is
`local-map' use BUFFER's local map.
POSITION must be in the accessible part of BUFFER. */
`local-map' use BUFFER's local map. */
Lisp_Object
get_local_map (register ptrdiff_t position, register struct buffer *buffer,
@ -2207,9 +2205,7 @@ get_local_map (register ptrdiff_t position, register struct buffer *buffer,
Lisp_Object prop, lispy_position, lispy_buffer;
ptrdiff_t old_begv, old_zv, old_begv_byte, old_zv_byte;
/* Perhaps we should just change `position' to the limit. */
if (position > BUF_ZV (buffer) || position < BUF_BEGV (buffer))
emacs_abort ();
clip_to_bounds (BUF_BEGV (buffer), position, BUF_ZV (buffer));
/* Ignore narrowing, so that a local map continues to be valid even if
the visible region contains no characters and hence no properties. */