[Emacs-diffs] emacs/src character.h [EMACS_23_1_RC]

[Kenichi Handa]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Branch:         EMACS_23_1_RC
Changes by:     Kenichi Handa <handa>   09/07/07 01:41:20

Modified files:
        src            : character.h 

Log message:
        (unibyte_has_multibyte_table): Delete extern.
        (charset_unibyte_decoder): Extern it.
        (DECODE_UNIBYTE): New macro.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/src/character.h?cvsroot=emacs&only_with_tag=EMACS_23_1_RC&r1=1.15&r2=1.15.2.1

Patches:
Index: character.h
===================================================================
RCS file: /cvsroot/emacs/emacs/src/character.h,v
retrieving revision 1.15
retrieving revision 1.15.2.1
diff -u -b -r1.15 -r1.15.2.1
--- character.h 8 Jan 2009 03:15:27 -0000       1.15
+++ character.h 7 Jul 2009 01:41:20 -0000       1.15.2.1
@@ -87,11 +87,15 @@
 #define unibyte_char_to_multibyte(c)   \
   ((c) < 256 ? unibyte_to_multibyte_table[(c)] : (c))
 
-/* Nth element is 1 iff unibyte char N can be mapped to a multibyte
-   char.  */
-extern char unibyte_has_multibyte_table[256];
-
-#define UNIBYTE_CHAR_HAS_MULTIBYTE_P(c) (unibyte_has_multibyte_table[(c)])
+/* Decoding table for 8-bit byte codes of the charset charset_unibyte.
+   Nth element is for the code (N-0x80).  */
+extern int charset_unibyte_decoder[128];
+
+/* Return a character correspoinding to the code BYTE of
+   charset_unibyte.  BYTE must be a byte; i.e. less than 0x100.  If
+   BYTE is not a valid code of charset_unibyte, return -1.  */
+#define DECODE_UNIBYTE(BYTE)   \
+  ((BYTE) < 0x80 ? (int) (BYTE) : charset_unibyte_decoder[(BYTE) - 0x80])
 
 /* If C is not ASCII, make it unibyte. */
 #define MAKE_CHAR_UNIBYTE(c)   \