view src/dump-data.c @ 5879:77d7b77909c2

Move extents.c to working in byte positions only; fix a bug, extent_detach() src/ChangeLog addition: 2015-03-27 Aidan Kehoe <kehoea@parhasard.net> Fix a small bug, extent_detach(); minimise needless char-byte conversion, extents.c, sticking to byte positions in general in this file. * extents.c: * extents.c (signal_single_extent_changed): Pass byte endpoints to gutter_extent_signal_changed_region_maybe(), buffer_extent_signal_changed_region(). * extents.c (extent_detach): Call signal_extent_changed() correctly, pass both extent endpoints rather than just the byte and character variants of the start. * extents.c (struct report_extent_modification_closure): Do this in terms of byte positions. * extents.c (report_extent_modification_mapper): Use byte positions, only converting to characters when we are definitely calling Lisp. * extents.c (report_extent_modification): Use byte positions in this API, move the byte-char conversion to our callers, simplifying extents.c (it all now works in byte positions). * extents.h: Update report_extent_modification's prototype. * gutter.c (gutter_extent_signal_changed_region_maybe): Use byte positions here, avoids needless byte-char conversion. * gutter.h: Update the prototype here. * insdel.c: * insdel.c (buffer_extent_signal_changed_region): Implement this in terms of byte positions. * insdel.c (signal_before_change): * insdel.c (signal_after_change): Call report_extent_modification() with byte positions, doing the char->byte conversion here rather than leaving it to extents.c. * insdel.h: * insdel.h (struct each_buffer_change_data): The extent unchanged info now describes bytecounts.
author Aidan Kehoe <kehoea@parhasard.net>
date Fri, 27 Mar 2015 23:39:49 +0000
parents 308d34e9f07d
children
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/* Static array to put the dumped data in and its management
   Copyright (C) 2003 Olivier Galibert

This file is part of XEmacs.

XEmacs is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.

XEmacs is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with XEmacs.  If not, see <http://www.gnu.org/licenses/>. */

/* Synched up with: Not in FSF. */

/* Mule-ized? Mwahahahahahaha */

/* Magic values by Larry McVoy to prevent every known compiler, including
   an especially perverse HP-UX one, from putting the array in BSS.
*/


#include <config.h>
#include "lisp.h"
#include "dump-data.h"

/* 4 bytes for the data size, 4096 for alignment */

static Rawbyte dumped_data[MAX_SIZE+4096+4] = {
  255,
  6,
  1,
  2,
  3,
  4,
  255,
  3,
  9,
  62,
  255,
  10,
  4,
  61,
  255
};

size_t
dumped_data_size (void)
{
  return dumped_data[0] | (dumped_data[1] << 8) | (dumped_data[2] << 16) |
    (dumped_data[3] << 24);
}

size_t
dumped_data_max_size (void)
{
  return MAX_SIZE;
}

size_t
dumped_data_align_offset (void)
{
  EMACS_INT iptr = (EMACS_INT) dumped_data;
  EMACS_INT iptr2;
  iptr2 = (iptr + 4 + 4095) & ~(EMACS_INT) 4095;
  
  return iptr2 - iptr;
}

Rawbyte *
dumped_data_get (void)
{
  EMACS_INT iptr = (EMACS_INT) dumped_data;
  iptr = (iptr + 4 + 4095) & ~(EMACS_INT) 4095;
  return (Rawbyte *) iptr;
}