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| author | Alexander Barkov <bar@mariadb.org> | 2016-05-17 15:27:10 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mariadb.org> | 2016-05-17 15:27:10 +0400 |
| commit | e7ff281d2e954f9ab7f08a3e1a425a3c59e8f796 (patch) | |
| tree | e8e3903a609daef952785e28e5c876bafd52ba7b /include/m_ctype.h | |
| parent | 7e66a24dfb381290d59786c36e1dc478ad365bd1 (diff) | |
| download | mariadb-git-e7ff281d2e954f9ab7f08a3e1a425a3c59e8f796.tar.gz | |
MDEV-6353 my_ismbchar() and my_mbcharlen() refactoring
Diffstat (limited to 'include/m_ctype.h')
| -rw-r--r-- | include/m_ctype.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/include/m_ctype.h b/include/m_ctype.h index c892d576102..536d7fb4629 100644 --- a/include/m_ctype.h +++ b/include/m_ctype.h @@ -186,6 +186,7 @@ extern MY_UNI_CTYPE my_uni_ctype[256]; #define MY_SEQ_INTTAIL 1 #define MY_SEQ_SPACES 2 +#define MY_SEQ_NONSPACES 3 /* Skip non-space characters, including bad bytes */ /* My charsets_list flags */ #define MY_CS_COMPILED 1 /* compiled-in sets */ @@ -403,7 +404,6 @@ struct my_charset_handler_st { my_bool (*init)(struct charset_info_st *, MY_CHARSET_LOADER *loader); /* Multibyte routines */ - uint (*mbcharlen)(CHARSET_INFO *, uint c); size_t (*numchars)(CHARSET_INFO *, const char *b, const char *e); size_t (*charpos)(CHARSET_INFO *, const char *b, const char *e, size_t pos); @@ -779,7 +779,6 @@ size_t my_well_formed_char_length_8bit(CHARSET_INFO *cs, size_t nchars, MY_STRCOPY_STATUS *status); int my_charlen_8bit(CHARSET_INFO *, const uchar *str, const uchar *end); -uint my_mbcharlen_8bit(CHARSET_INFO *, uint c); /* Functions for multibyte charsets */ @@ -1010,11 +1009,19 @@ int my_charlen(CHARSET_INFO *cs, const char *str, const char *end) return (cs->cset->charlen)(cs, (const uchar *) str, (const uchar *) end); } -#ifdef USE_MB -#define my_mbcharlen(s, a) ((s)->cset->mbcharlen((s),(a))) -#else -#define my_mbcharlen(s, a) 1 -#endif + + +/** + Convert broken and incomplete byte sequences to 1 byte. +*/ +static inline +uint my_charlen_fix(CHARSET_INFO *cs, const char *str, const char *end) +{ + int char_length= my_charlen(cs, str, end); + DBUG_ASSERT(str < end); + return char_length > 0 ? (uint) char_length : (uint) 1U; +} + #define my_caseup_str(s, a) ((s)->cset->caseup_str((s), (a))) #define my_casedn_str(s, a) ((s)->cset->casedn_str((s), (a))) |