/* undo handling for GNU Emacs.
- Copyright (C) 1990, 1993-1994, 2000-2011 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1993-1994, 2000-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
void
record_first_change (void)
{
- Lisp_Object high, low;
struct buffer *base_buffer = current_buffer;
if (EQ (BVAR (current_buffer, undo_list), Qt))
if (base_buffer->base_buffer)
base_buffer = base_buffer->base_buffer;
- XSETFASTINT (high, (base_buffer->modtime >> 16) & 0xffff);
- XSETFASTINT (low, base_buffer->modtime & 0xffff);
- BVAR (current_buffer, undo_list) = Fcons (Fcons (Qt, Fcons (high, low)), BVAR (current_buffer, undo_list));
+ BVAR (current_buffer, undo_list) =
+ Fcons (Fcons (Qt, INTEGER_TO_CONS (base_buffer->modtime)),
+ BVAR (current_buffer, undo_list));
}
/* Record a change in property PROP (whose old value was VAL)
if (EQ (car, Qt))
{
/* Element (t high . low) records previous modtime. */
- Lisp_Object high, low;
- int mod_time;
struct buffer *base_buffer = current_buffer;
-
- high = Fcar (cdr);
- low = Fcdr (cdr);
- mod_time = (XFASTINT (high) << 16) + XFASTINT (low);
+ time_t mod_time;
+ CONS_TO_INTEGER (cdr, time_t, mod_time);
if (current_buffer->base_buffer)
base_buffer = current_buffer->base_buffer;
void
syms_of_undo (void)
{
- Qinhibit_read_only = intern_c_string ("inhibit-read-only");
- staticpro (&Qinhibit_read_only);
-
- Qapply = intern_c_string ("apply");
- staticpro (&Qapply);
+ DEFSYM (Qinhibit_read_only, "inhibit-read-only");
+ DEFSYM (Qapply, "apply");
pending_boundary = Qnil;
staticpro (&pending_boundary);