diff options
Diffstat (limited to 'src/buffer.h')
| -rw-r--r-- | src/buffer.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/src/buffer.h b/src/buffer.h index bcb293a2e85..838ace7b18b 100644 --- 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 @@ -327,10 +326,18 @@ extern int _fetch_multibyte_char_len; #define FETCH_MULTIBYTE_CHAR(pos) \ (_fetch_multibyte_char_p = (((pos) >= GPT_BYTE ? GAP_SIZE : 0) \ - + (pos) + BEG_ADDR - BEG_BYTE), \ - _fetch_multibyte_char_len \ - = ((pos) >= GPT_BYTE ? ZV_BYTE : GPT_BYTE) - (pos), \ - STRING_CHAR (_fetch_multibyte_char_p, _fetch_multibyte_char_len)) + + (pos) + BEG_ADDR - BEG_BYTE), \ + 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)))) + /* 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) - BEG_BYTE), \ - _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)) /* Define the actual buffer data structures. */ @@ -845,6 +849,7 @@ extern void mmap_set_vars P_ ((int)); } \ } while (0) +EXFUN (Fbuffer_live_p, 1); EXFUN (Fbuffer_name, 1); EXFUN (Fget_file_buffer, 1); EXFUN (Fnext_overlay_change, 1); |