Commit 81c1cf71 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(Vundo_outer_limit): Replaces undo_outer_limit. Uses changed.

(syms_of_undo): Initialize appropriately.
(truncate_undo_list): If it's nil, there's no limit.
parent 7a0ea9e3
......@@ -28,7 +28,8 @@ Boston, MA 02111-1307, USA. */
EMACS_INT undo_limit;
EMACS_INT undo_strong_limit;
EMACS_INT undo_outer_limit;
Lisp_Object Vundo_outer_limit;
/* Function to call when undo_outer_limit is exceeded. */
......@@ -368,7 +369,8 @@ truncate_undo_list (b)
/* If by the first boundary we have already passed undo_outer_limit,
we're heading for memory full, so offer to clear out the list. */
if (size_so_far > undo_outer_limit
if (INTEGERP (Vundo_outer_limit)
&& size_so_far > XINT (Vundo_outer_limit)
&& !NILP (Vundo_outer_limit_function))
Lisp_Object temp = last_undo_buffer;
......@@ -622,7 +624,7 @@ The size is counted as the number of bytes occupied,
which includes both saved text and other data. */);
undo_strong_limit = 30000;
DEFVAR_INT ("undo-outer-limit", &undo_outer_limit,
DEFVAR_LISP ("undo-outer-limit", &Vundo_outer_limit,
doc: /* Outer limit on size of undo information for one command.
At garbage collection time, if the current command has produced
more than this much undo information, it asks you whether to delete
......@@ -635,7 +637,7 @@ In fact, this calls the function which is the value of
`undo-outer-limit-function' with one argument, the size.
The text above describes the behavior of the function
that variable usually specifies. */);
undo_outer_limit = 300000;
Vundo_outer_limit = make_number (300000);
DEFVAR_LISP ("undo-outer-limit-function", &Vundo_outer_limit_function,
doc: /* Function to call when an undo list exceeds `undo-outer-limit'.
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment