[Emacs-diffs] emacs/src charset.c

[Kenichi Handa]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Kenichi Handa <handa>   09/07/07 06:27:05

Modified files:
        src            : charset.c 

Log message:
        (Fset_charset_priority): Update charset_unibyte.
        (syms_of_charset): Initialize charset_unibyte.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/src/charset.c?cvsroot=emacs&r1=1.179&r2=1.180

Patches:
Index: charset.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/charset.c,v
retrieving revision 1.179
retrieving revision 1.180
diff -u -b -r1.179 -r1.180
--- charset.c   9 Jun 2009 02:53:07 -0000       1.179
+++ charset.c   7 Jul 2009 06:27:05 -0000       1.180
@@ -1798,7 +1798,7 @@
 
   if (CHARSET_UNIFIED_P (charset))
     {
-      Lisp_Object deunifier, deunified;
+      Lisp_Object deunifier;
       int code_index = -1;
 
       deunifier = CHARSET_DEUNIFIER (charset);
@@ -2196,10 +2196,6 @@
 It should be called only from temacs invoked for dumping.  */)
      ()
 {
-  int i;
-  struct charset *charset;
-  Lisp_Object attrs;
-
   if (temp_charset_work)
     {
       free (temp_charset_work);
@@ -2260,6 +2256,7 @@
   Vcharset_ordered_list = Fnconc (2, arglist);
   charset_ordered_list_tick++;
 
+  charset_unibyte = -1;
   for (old_list = Vcharset_ordered_list, list_2022 = list_emacs_mule = Qnil;
        CONSP (old_list); old_list = XCDR (old_list))
     {
@@ -2267,9 +2264,20 @@
        list_2022 = Fcons (XCAR (old_list), list_2022);
       if (! NILP (Fmemq (XCAR (old_list), Vemacs_mule_charset_list)))
        list_emacs_mule = Fcons (XCAR (old_list), list_emacs_mule);
+      if (charset_unibyte < 0)
+       {
+         struct charset *charset = CHARSET_FROM_ID (XINT (XCAR (old_list)));
+
+         if (CHARSET_DIMENSION (charset) == 1
+             && CHARSET_ASCII_COMPATIBLE_P (charset)
+             && CHARSET_MAX_CHAR (charset) >= 0x80)
+           charset_unibyte = CHARSET_ID (charset);
+       }
     }
   Viso_2022_charset_list = Fnreverse (list_2022);
   Vemacs_mule_charset_list = Fnreverse (list_emacs_mule);
+  if (charset_unibyte < 0)
+    charset_unibyte = charset_iso_8859_1;
 
   return Qnil;
 }
@@ -2293,7 +2301,7 @@
 {
   Lisp_Object tempdir;
   tempdir = Fexpand_file_name (build_string ("charsets"), Vdata_directory);
-  if (access (SDATA (tempdir), 0) < 0)
+  if (access ((char *) SDATA (tempdir), 0) < 0)
     {
       dir_warning ("Error: charsets directory (%s) does not exist.\n\
 Emacs will not function correctly without the character map files.\n\
@@ -2429,6 +2437,7 @@
     = define_charset_internal (Qeight_bit, 1, "\x80\xFF\x00\x00\x00\x00",
                               128, 255, -1, 0, -1, 0, 1,
                               MAX_5_BYTE_CHAR + 1);
+  charset_unibyte = charset_iso_8859_1;
 }
 
 #endif /* emacs */