(AC_FUNC_MMAP): Add.

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

diff --git a/src/coding.h b/src/coding.h
index b12802e..cdb6ff2 100644 (file)
--- a/src/coding.h
+++ b/src/coding.h
@@ -19,12 +19,10 @@ along with GNU Emacs; see the file COPYING.  If not, write to
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-#ifndef _CODING_H
-#define _CODING_H
+#ifndef EMACS_CODING_H
+#define EMACS_CODING_H
 
-#ifndef _CCL_H
 #include "ccl.h"
-#endif
 
 /*** EMACS' INTERNAL FORMAT (emacs-mule) section ***/
 
@@ -315,7 +313,7 @@ struct composition_data
   struct composition_data *prev, *next;
 };
 
-/* Macros used for the member finish_status of the struct
+/* Macros used for the member `result' of the struct
    coding_system.  */
 #define CODING_FINISH_NORMAL           0
 #define CODING_FINISH_INSUFFICIENT_SRC 1
@@ -363,12 +361,6 @@ struct coding_system
      CODING_MODE_XXX.  */
   unsigned int mode;
 
-  /* Table of safe character sets for this coding system.  If the Nth
-     element is 0, the charset of ID N is not a safe character set.
-     Such a character set is not encoded when CODING_ISO_FLAG_SAFE is
-     set.  */
-  unsigned char safe_charsets[MAX_CHARSET + 1];
-
   /* The current status of composition handling.  */
   int composing;
 
@@ -397,6 +389,10 @@ struct coding_system
   /* Index number of coding category of the coding system.  */
   int category_idx;
 
+  /* The following two members specify how characters 128..159 are
+     represented in source and destination text respectively.  1 means
+     they are represented by 2-byte sequence, 0 means they are
+     represented by 1-byte as is (see the comment in charset.h).  */
   unsigned src_multibyte : 1;
   unsigned dst_multibyte : 1;
 
@@ -587,6 +583,24 @@ struct coding_system
       ? code_convert_string_norecord (name, Vdefault_file_name_coding_system, 0) \
       : name))
 
+#ifdef WINDOWSNT
+/* Encode the string STR using the specified coding system
+   for w32 system functions, if any.  */
+#define ENCODE_SYSTEM(str)                                                \
+  (! NILP (Vw32_system_coding_system)                                     \
+   && XFASTINT (Vw32_system_coding_system) != 0                                   \
+   ? code_convert_string_norecord (str, Vw32_system_coding_system, 1)     \
+   : str)
+
+/* Decode the string STR using the specified coding system
+   for w32 system functions, if any.  */
+#define DECODE_SYSTEM(name)                                               \
+  (! NILP (Vw32_system_coding_system)                                     \
+   && XFASTINT (Vw32_system_coding_system) != 0                                   \
+   ? code_convert_string_norecord (str, Vw32_system_coding_system, 0)     \
+   : str)
+#endif
+
 /* Extern declarations.  */
 extern int decode_coding P_ ((struct coding_system *, unsigned char *,
                              unsigned char *, int, int));
@@ -597,19 +611,26 @@ extern void coding_save_composition P_ ((struct coding_system *, int, int,
 extern void coding_free_composition_data P_ ((struct coding_system *));
 extern void coding_adjust_composition_offset P_ ((struct coding_system *,
                                                  int));
+extern void coding_allocate_composition_data P_ ((struct coding_system *,
+                                                 int));
+extern void coding_restore_composition P_ ((struct coding_system *,
+                                           Lisp_Object));
 extern int code_convert_region P_ ((int, int, int, int, struct coding_system *,
                                    int, int));
 extern int decoding_buffer_size P_ ((struct coding_system *, int));
 extern int encoding_buffer_size P_ ((struct coding_system *, int));
 extern void detect_coding P_ ((struct coding_system *, unsigned char *, int));
 extern void detect_eol P_ ((struct coding_system *, unsigned char *, int));
-extern int conversion_buffer_size;
-extern char *conversion_buffer;
-extern char *get_conversion_buffer P_ ((int));
 extern int setup_coding_system P_ ((Lisp_Object, struct coding_system *));
 extern Lisp_Object code_convert_string P_ ((Lisp_Object,
                                            struct coding_system *, int, int));
+extern Lisp_Object code_convert_string_norecord P_ ((Lisp_Object, Lisp_Object,
+                                                    int));
 extern void setup_raw_text_coding_system P_ ((struct coding_system *));
+extern Lisp_Object encode_coding_string P_ ((Lisp_Object,
+                                            struct coding_system *, int));
+extern Lisp_Object decode_coding_string P_ ((Lisp_Object,
+                                            struct coding_system *, int));
 extern Lisp_Object Qcoding_system, Qeol_type, Qcoding_category_index;
 extern Lisp_Object Qraw_text, Qemacs_mule;
 extern Lisp_Object Qbuffer_file_coding_system;
@@ -673,6 +694,11 @@ extern Lisp_Object Vfile_name_coding_system;
 /* Coding system for file names used only when
    Vfile_name_coding_system is nil.  */
 extern Lisp_Object Vdefault_file_name_coding_system;
+
+#ifdef WINDOWSNT
+/* Coding system for w32 system strings, or nil if none.  */
+extern Lisp_Object Vw32_system_coding_system;
+#endif
 #endif
 
-#endif /* _CODING_H */
+#endif /* EMACS_CODING_H */