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This commit is contained in:
Richard M. Stallman 1997-08-12 16:11:31 +00:00
parent 0e55297e4c
commit feb453faa3
1 changed files with 15 additions and 8 deletions
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23
src/charset.h
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@ -472,9 +472,12 @@ extern int width_by_char_head[256];
: (CHAR_FIELD2 (c) >= 16 && CHAR_FIELD3 (c) >= 32)) \
: (c) < MIN_CHAR_COMPOSITION + n_cmpchars)))
/* The charset of non-ASCII character C is set to CHARSET, and the
position-codes of C are set to C1 and C2. C2 of DIMENSION1 character
is -1. */
/* The charset of non-ASCII character C is stored in CHARSET, and the
position-codes of C are stored in C1 and C2.
We store -1 in C2 if the character is just 2 bytes.
Do not use this macro for an ASCII character. */
#define SPLIT_NON_ASCII_CHAR(c, charset, c1, c2) \
((c) < MIN_CHAR_OFFICIAL_DIMENSION2 \
? (charset = CHAR_FIELD2 (c) + 0x70, \
@ -487,19 +490,23 @@ extern int width_by_char_head[256];
c1 = CHAR_FIELD2 (c), \
c2 = CHAR_FIELD3 (c)))
/* The charset of character C is set to CHARSET, and the
position-codes of C are set to C1 and C2. C2 of DIMENSION1 character
is -1. */
/* The charset of character C is stored in CHARSET, and the
position-codes of C are stored in C1 and C2.
We store -1 in C2 if the character is just 2 bytes. */
#define SPLIT_CHAR(c, charset, c1, c2) \
(SINGLE_BYTE_CHAR_P (c) \
? charset = CHARSET_ASCII, c1 = (c), c2 = -1 \
: SPLIT_NON_ASCII_CHAR (c, charset, c1, c2))
/* The charset of the character at STR is set to CHARSET, and the
position-codes are set to C1 and C2. C2 of DIMENSION1 character is -1.
/* The charset of the character at STR is stored in CHARSET, and the
position-codes are stored in C1 and C2.
We store -1 in C2 if the character is just 2 bytes.
If the character is a composite character, the upper 7-bit and
lower 7-bit of CMPCHAR-ID are set in C1 and C2 respectively. No
range checking. */
#define SPLIT_STRING(str, len, charset, c1, c2) \
((BYTES_BY_CHAR_HEAD ((unsigned char) *(str)) < 2 \
|| BYTES_BY_CHAR_HEAD ((unsigned char) *(str)) > len \