(_fetch_multibyte_char_len): Extern deleted.

(FETCH_MULTIBYTE_CHAR): Don't use _fetch_multibyte_char_len.
(BUF_FETCH_MULTIBYTE_CHAR): Likewise.
(FETCH_CHAR_AS_MULTIBYTE): New macro.

diff --git a/src/buffer.h b/src/buffer.h
index 6d11035bb4e554fc2648bd55925c1014e80ec914..447c618f77a6e64df16e6fbb632107c9f5c56bd2 100644 (file)
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -319,7 +319,6 @@ else
 
 /* Variables used locally in FETCH_MULTIBYTE_CHAR.  */
 extern unsigned char *_fetch_multibyte_char_p;
-extern int _fetch_multibyte_char_len;
 
 /* Return character code of multi-byte form at position POS.  If POS
    doesn't point the head of valid multi-byte form, only the byte at
@@ -328,9 +327,17 @@ extern int _fetch_multibyte_char_len;
 #define FETCH_MULTIBYTE_CHAR(pos)                                      \
   (_fetch_multibyte_char_p = (((pos) >= GPT_BYTE ? GAP_SIZE : 0)       \
                               + (pos) + BEG_ADDR - 1),                 \
-   _fetch_multibyte_char_len                                           \
-      = ((pos) >= GPT_BYTE ? ZV_BYTE : GPT_BYTE) - (pos),              \
-   STRING_CHAR (_fetch_multibyte_char_p, _fetch_multibyte_char_len))
+   STRING_CHAR (_fetch_multibyte_char_p, 0))
+
+/* Return character at position POS.  If the current buffer is unibyte
+   and the character is not ASCII, make the returning character
+   multibyte.  */
+
+#define FETCH_CHAR_AS_MULTIBYTE(pos)                   \
+  (!NILP (current_buffer->enable_multibyte_characters) \
+   ? FETCH_MULTIBYTE_CHAR ((pos))                      \
+   : unibyte_char_to_multibyte (FETCH_BYTE ((pos))))
+
 \f
 /* Macros for accessing a character or byte,
    or converting between byte positions and addresses,
@@ -379,10 +386,7 @@ extern int _fetch_multibyte_char_len;
   (_fetch_multibyte_char_p                                             \
      = (((pos) >= BUF_GPT_BYTE (buf) ? BUF_GAP_SIZE (buf) : 0)         \
         + (pos) + BUF_BEG_ADDR (buf) - 1),                             \
-   _fetch_multibyte_char_len                                           \
-     = (((pos) >= BUF_GPT_BYTE (buf) ? BUF_ZV_BYTE (buf) : BUF_GPT_BYTE (buf)) \
-        - (pos)),                                                      \
-   STRING_CHAR (_fetch_multibyte_char_p, _fetch_multibyte_char_len))
+   STRING_CHAR (_fetch_multibyte_char_p, 0))
 \f
 /* Define the actual buffer data structures.  */