* coding.c (make_conversion_work_buffer): Disable buffer modification

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

diff --git a/src/buffer.h b/src/buffer.h
index 87d646f..992bc8f 100644 (file)
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -5,10 +5,10 @@
 
 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.  */
@@ -208,24 +206,22 @@ Boston, MA 02110-1301, USA.  */
 \f
 /* Macros to set PT in the current buffer, or another buffer.  */
 
-#define SET_PT(position) (set_point (current_buffer, (position)))
+#define SET_PT(position) (set_point (position))
 #define TEMP_SET_PT(position) (temp_set_point (current_buffer, (position)))
 
-#define SET_PT_BOTH(position, byte) \
-  (set_point_both (current_buffer, (position), (byte)))
+#define SET_PT_BOTH(position, byte) (set_point_both (position, byte))
 #define TEMP_SET_PT_BOTH(position, byte) \
   (temp_set_point_both (current_buffer, (position), (byte)))
 
-#define BUF_SET_PT(buffer, position) \
-  (set_point ((buffer), (position)))
 #define BUF_TEMP_SET_PT(buffer, position) \
   (temp_set_point ((buffer), (position)))
 
-extern void set_point P_ ((struct buffer *, int));
-extern INLINE void temp_set_point P_ ((struct buffer *, int));
-extern void set_point_both P_ ((struct buffer *, int, int));
-extern INLINE void temp_set_point_both P_ ((struct buffer *, int, int));
-extern void enlarge_buffer_text P_ ((struct buffer *, int));
+extern void set_point P_ ((EMACS_INT));
+extern INLINE void temp_set_point P_ ((struct buffer *, EMACS_INT));
+extern void set_point_both P_ ((EMACS_INT, EMACS_INT));
+extern INLINE void temp_set_point_both P_ ((struct buffer *,
+                                           EMACS_INT, EMACS_INT));
+extern void enlarge_buffer_text P_ ((struct buffer *, EMACS_INT));
 
 \f
 /* Macros for setting the BEGV, ZV or PT of a given buffer.
@@ -266,7 +262,7 @@ extern void enlarge_buffer_text P_ ((struct buffer *, int));
    and store the charpos in CHARPOS and the bytepos in BYTEPOS.  */
 
 #define DECODE_POSITION(charpos, bytepos, pos)                 \
-if (1)                                                         \
+do                                                             \
   {                                                            \
     Lisp_Object __pos = (pos);                                 \
     if (NUMBERP (__pos))                                       \
@@ -282,7 +278,7 @@ if (1)                                                              \
     else                                                       \
       wrong_type_argument (Qinteger_or_marker_p, __pos);       \
   }                                                            \
-else
+while (0)
 
 /* Return the address of byte position N in current buffer.  */
 
@@ -343,7 +339,7 @@ extern unsigned char *_fetch_multibyte_char_p;
 #define FETCH_CHAR_AS_MULTIBYTE(pos)                   \
   (!NILP (current_buffer->enable_multibyte_characters) \
    ? FETCH_MULTIBYTE_CHAR ((pos))                      \
-   : unibyte_char_to_multibyte (FETCH_BYTE ((pos))))
+   : unibyte_to_multibyte_table[(FETCH_BYTE ((pos)))])
 
 \f
 /* Macros for accessing a character or byte,
@@ -562,6 +558,10 @@ struct buffer
   /* Position where the overlay lists are centered.  */
   EMACS_INT overlay_center;
 
+  /* Everything from here down must be a Lisp_Object.  */
+  /* buffer-local Lisp variables start at `undo_list',
+     tho only the ones from `name' on are GC'd normally.  */
+
   /* Changes in the buffer are recorded here for undo.
      t means don't record anything.
      This information belongs to the base buffer of an indirect buffer,
@@ -571,8 +571,6 @@ struct buffer
      This comes before `name' because it is marked in a special way.  */
   Lisp_Object undo_list;
 
-  /* Everything from here down must be a Lisp_Object.  */
-
   /* The name of this buffer.  */
   Lisp_Object name;
 
@@ -652,6 +650,8 @@ 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.  */
@@ -832,7 +832,9 @@ extern struct buffer buffer_local_symbols;
 extern void delete_all_overlays P_ ((struct buffer *));
 extern void reset_buffer P_ ((struct buffer *));
 extern void evaporate_overlays P_ ((EMACS_INT));
-extern int overlays_at P_ ((EMACS_INT, int, Lisp_Object **, int *, int *, int *, int));
+extern int overlays_at P_ ((EMACS_INT pos, int extend, Lisp_Object **vec_ptr,
+                           int *len_ptr, EMACS_INT *next_ptr,
+                           EMACS_INT *prev_ptr, int change_req));
 extern int sort_overlays P_ ((Lisp_Object *, int, struct window *));
 extern void recenter_overlay_lists P_ ((struct buffer *, EMACS_INT));
 extern int overlay_strings P_ ((EMACS_INT, struct window *, unsigned char **));
@@ -864,6 +866,7 @@ extern void mmap_set_vars P_ ((int));
       }                                                                        \
   } while (0)
 
+EXFUN (Fbuffer_list, 1);
 EXFUN (Fbuffer_live_p, 1);
 EXFUN (Fbuffer_name, 1);
 EXFUN (Fget_file_buffer, 1);