/* Buffer manipulation primitives for GNU Emacs.
-Copyright (C) 1985-1989, 1993-1995, 1997-2015 Free Software Foundation,
+Copyright (C) 1985-1989, 1993-1995, 1997-2016 Free Software Foundation,
Inc.
This file is part of GNU Emacs.
#include <verify.h>
#include "lisp.h"
+#include "coding.h"
#include "intervals.h"
+#include "systime.h"
#include "window.h"
#include "commands.h"
#include "character.h"
#include "region-cache.h"
#include "indent.h"
#include "blockinput.h"
-#include "keyboard.h"
#include "keymap.h"
#include "frame.h"
+#ifdef HAVE_XWIDGETS
+# include "xwidget.h"
+#endif
#ifdef WINDOWSNT
#include "w32heap.h" /* for mmap_* */
#endif
kill_buffer_processes (buffer);
+#ifdef HAVE_XWIDGETS
+ kill_buffer_xwidgets (buffer);
+#endif
/* Killing buffer processes may run sentinels which may have killed
our buffer. */
if (!BUFFER_LIVE_P (b))
else
nbytes = SBYTES (str);
- if (INT_ADD_OVERFLOW (ssl->bytes, nbytes))
+ if (INT_ADD_WRAPV (ssl->bytes, nbytes, &nbytes))
memory_full (SIZE_MAX);
- ssl->bytes += nbytes;
+ ssl->bytes = nbytes;
if (STRINGP (str2))
{
else
nbytes = SBYTES (str2);
- if (INT_ADD_OVERFLOW (ssl->bytes, nbytes))
+ if (INT_ADD_WRAPV (ssl->bytes, nbytes, &nbytes))
memory_full (SIZE_MAX);
- ssl->bytes += nbytes;
+ ssl->bytes = nbytes;
}
}
unsigned char *p;
ptrdiff_t total;
- if (INT_ADD_OVERFLOW (overlay_heads.bytes, overlay_tails.bytes))
+ if (INT_ADD_WRAPV (overlay_heads.bytes, overlay_tails.bytes, &total))
memory_full (SIZE_MAX);
- total = overlay_heads.bytes + overlay_tails.bytes;
if (total > overlay_str_len)
overlay_str_buf = xpalloc (overlay_str_buf, &overlay_str_len,
total - overlay_str_len, -1, 1);
Lisp_Object *copy;
ptrdiff_t i;
+ if (size)
+ {
+ Lisp_Object ovl
+ = XVECTOR (last_overlay_modification_hooks)->contents[1];
+
+ /* If the buffer of the first overlay in the array doesn't
+ match the current buffer, then these modification hooks
+ should not be run in this buffer. This could happen when
+ some code calls some insdel functions, such as del_range_1,
+ with the PREPARE argument false -- in that case this
+ function is never called to record the overlay modification
+ hook functions in the last_overlay_modification_hooks
+ array, so anything we find there is not ours. */
+ if (XMARKER (OVERLAY_START (ovl))->buffer != current_buffer)
+ return;
+ }
+
USE_SAFE_ALLOCA;
SAFE_ALLOCA_LISP (copy, size);
memcpy (copy, XVECTOR (last_overlay_modification_hooks)->contents,
#include <fcntl.h>
#endif
-#include "coding.h"
-
/* Memory is allocated in regions which are mapped using mmap(2).
The current implementation lets the system select mapped
doc: /* Symbol for current buffer's major mode.
The default value (normally `fundamental-mode') affects new buffers.
A value of nil means to use the current buffer's major mode, provided
-it is not marked as "special".
-
-When a mode is used by default, `find-file' switches to it before it
-reads the contents into the buffer and before it finishes setting up
-the buffer. Thus, the mode and its hooks should not expect certain
-variables such as `buffer-read-only' and `buffer-file-coding-system'
-to be set up. */);
+it is not marked as "special". */);
DEFVAR_PER_BUFFER ("mode-name", &BVAR (current_buffer, mode_name),
Qnil,
DEFVAR_PER_BUFFER ("default-directory", &BVAR (current_buffer, directory),
Qstringp,
- doc: /* Name of default directory of current buffer. Should end with slash.
+ doc: /* Name of default directory of current buffer.
To interactively change the default directory, use command `cd'. */);
DEFVAR_PER_BUFFER ("auto-fill-function", &BVAR (current_buffer, auto_fill_function),
DEFVAR_PER_BUFFER ("selective-display", &BVAR (current_buffer, selective_display),
Qnil,
doc: /* Non-nil enables selective display.
+
An integer N as value means display only lines
that start with less than N columns of space.
+
A value of t means that the character ^M makes itself and
all the rest of the line invisible; also, when saving the buffer
-in a file, save the ^M as a newline. */);
+in a file, save the ^M as a newline. This usage is obsolete; use
+overlays or text properties instead. */);
DEFVAR_PER_BUFFER ("selective-display-ellipses",
&BVAR (current_buffer, selective_display_ellipses),
Lisp programs may give this variable certain special values:
-- A value of `lambda' enables Transient Mark mode temporarily.
- It is disabled again after any subsequent action that would
+- The symbol `lambda' enables Transient Mark mode temporarily.
+ The mode is disabled again after any subsequent action that would
normally deactivate the mark (e.g. buffer modification).
-- A value of (only . OLDVAL) enables Transient Mark mode
+- The pair (only . OLDVAL) enables Transient Mark mode
temporarily. After any subsequent point motion command that is
not shift-translated, or any other action that would normally
deactivate the mark (e.g. buffer modification), the value of