Fix crash due to incorrect resolution of type of NSM characters (bug#5858).

[bpt/emacs.git] / src / buffer.h

diff --git a/src/buffer.h b/src/buffer.h
index a12e723..40f03da 100644 (file)
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -1,14 +1,14 @@
 /* Header file for the buffer manipulation primitives.
    Copyright (C) 1985, 1986, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001,
-                 2002, 2003, 2004, 2005, 2006, 2007, 2008
+                 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
                  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs 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, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -16,9 +16,7 @@ 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 GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 /* Accessing the parameters of the current buffer.  */
@@ -160,6 +158,10 @@ Boston, MA 02110-1301, USA.  */
 /* Overlay modification count.  */
 #define BUF_OVERLAY_MODIFF(buf) ((buf)->text->overlay_modiff)
 
+/* Modification count as of last auto-save.  */
+/* FIXME: should we move this into ->text->auto_save_modiff?  */
+#define BUF_AUTOSAVE_MODIFF(buf) ((buf)->auto_save_modified)
+
 /* Interval tree of buffer.  */
 #define BUF_INTERVALS(buf) ((buf)->text->intervals)
 
@@ -332,7 +334,7 @@ extern unsigned char *_fetch_multibyte_char_p;
 #define FETCH_MULTIBYTE_CHAR(pos)                                      \
   (_fetch_multibyte_char_p = (((pos) >= GPT_BYTE ? GAP_SIZE : 0)       \
                               + (pos) + BEG_ADDR - BEG_BYTE),          \
-   STRING_CHAR (_fetch_multibyte_char_p, 0))
+   STRING_CHAR (_fetch_multibyte_char_p))
 
 /* Return character at position POS.  If the current buffer is unibyte
    and the character is not ASCII, make the returning character
@@ -341,7 +343,7 @@ extern unsigned char *_fetch_multibyte_char_p;
 #define FETCH_CHAR_AS_MULTIBYTE(pos)                   \
   (!NILP (current_buffer->enable_multibyte_characters) \
    ? FETCH_MULTIBYTE_CHAR ((pos))                      \
-   : unibyte_to_multibyte_table[(FETCH_BYTE ((pos)))])
+   : UNIBYTE_TO_CHAR (FETCH_BYTE ((pos))))
 
 \f
 /* Macros for accessing a character or byte,
@@ -391,7 +393,7 @@ extern unsigned char *_fetch_multibyte_char_p;
   (_fetch_multibyte_char_p                                             \
      = (((pos) >= BUF_GPT_BYTE (buf) ? BUF_GAP_SIZE (buf) : 0)         \
         + (pos) + BUF_BEG_ADDR (buf) - BEG_BYTE),                      \
-   STRING_CHAR (_fetch_multibyte_char_p, 0))
+   STRING_CHAR (_fetch_multibyte_char_p))
 \f
 /* Define the actual buffer data structures.  */
 
@@ -586,6 +588,9 @@ struct buffer
   /* This isn't really used by the C code, so could be deleted.  */
   Lisp_Object backed_up;
   /* Length of file when last read or saved.
+     -1 means auto saving turned off because buffer shrank a lot.
+     -2 means don't turn off auto saving if buffer shrinks.
+       (That value is used with buffer-swap-text.)
      This is not in the  struct buffer_text
      because it's not used in indirect buffers at all.  */
   Lisp_Object save_length;
@@ -600,8 +605,9 @@ struct buffer
      point into this buffer or may point nowhere.  */
   Lisp_Object mark;
 
-  /* Alist of elements (SYMBOL . VALUE-IN-THIS-BUFFER)
-     for all per-buffer variables of this buffer.  */
+  /* Alist of elements (SYMBOL . VALUE-IN-THIS-BUFFER) for all
+     per-buffer variables of this buffer.  For locally unbound
+     symbols, just the symbol appears as the element.  */
   Lisp_Object local_var_alist;
 
   /* Symbol naming major mode (eg, lisp-mode).  */
@@ -652,10 +658,20 @@ struct buffer
 
   /* Non-nil means do not display continuation lines.  */
   Lisp_Object truncate_lines;
+  /* Non-nil means to use word wrapping when displaying continuation lines.  */
+  Lisp_Object word_wrap;
   /* Non-nil means display ctl chars with uparrow.  */
   Lisp_Object ctl_arrow;
-  /* Non-nil means display text from right to left.  */
+  /* Non-nil means reorder bidirectional text for display in the
+     visual order.  */
+  Lisp_Object bidi_display_reordering;
+  /* Non-nil means set beginning of lines at the right edge of
+     windows.  */
   Lisp_Object direction_reversed;
+  /* If non-nil, specifies which direction of text to force in all the
+     paragraphs of the buffer.  Nil means determine paragraph
+     direction dynamically for each paragraph.  */
+  Lisp_Object bidi_paragraph_direction;
   /* Non-nil means do selective display;
      see doc string in syms_of_buffer (buffer.c) for details.  */
   Lisp_Object selective_display;