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/* Copyright (c) 2000, 2021, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/*
A better inplementation of the UNIX ctype(3) library.
*/
#ifndef _m_ctype_h
#define _m_ctype_h
#include "my_global.h" /* uint16, uchar */
#ifdef __cplusplus
extern "C" {
#endif
#define MY_CS_NAME_SIZE 32
#define MY_CS_CTYPE_TABLE_SIZE 257
#define MY_CS_TO_LOWER_TABLE_SIZE 256
#define MY_CS_TO_UPPER_TABLE_SIZE 256
#define MY_CS_SORT_ORDER_TABLE_SIZE 256
#define MY_CS_TO_UNI_TABLE_SIZE 256
#define CHARSET_DIR "charsets/"
#define my_wc_t ulong
#define MY_CS_REPLACEMENT_CHARACTER 0xFFFD
/*
On i386 we store Unicode->CS conversion tables for
some character sets using Big-endian order,
to copy two bytes at onces.
This gives some performance improvement.
*/
#ifdef __i386__
#define MB2(x) (((x) >> 8) + (((x) & 0xFF) << 8))
#define MY_PUT_MB2(s, code) { *((uint16*)(s))= (code); }
#else
#define MB2(x) (x)
#define MY_PUT_MB2(s, code) { (s)[0]= code >> 8; (s)[1]= code & 0xFF; }
#endif
typedef struct unicase_info_char_st
{
uint32 toupper;
uint32 tolower;
uint32 sort;
} MY_UNICASE_CHARACTER;
typedef struct unicase_info_st
{
my_wc_t maxchar;
const MY_UNICASE_CHARACTER **page;
} MY_UNICASE_INFO;
extern MY_UNICASE_INFO my_unicase_default;
extern MY_UNICASE_INFO my_unicase_turkish;
extern MY_UNICASE_INFO my_unicase_mysql500;
extern MY_UNICASE_INFO my_unicase_unicode520;
#define MY_UCA_MAX_CONTRACTION 6
#define MY_UCA_MAX_WEIGHT_SIZE 8
#define MY_UCA_WEIGHT_LEVELS 1
typedef struct my_contraction_t
{
my_wc_t ch[MY_UCA_MAX_CONTRACTION]; /* Character sequence */
uint16 weight[MY_UCA_MAX_WEIGHT_SIZE];/* Its weight string, 0-terminated */
my_bool with_context;
} MY_CONTRACTION;
typedef struct my_contraction_list_t
{
size_t nitems; /* Number of items in the list */
MY_CONTRACTION *item; /* List of contractions */
char *flags; /* Character flags, e.g. "is contraction head") */
} MY_CONTRACTIONS;
my_bool my_uca_can_be_contraction_head(const MY_CONTRACTIONS *c, my_wc_t wc);
my_bool my_uca_can_be_contraction_tail(const MY_CONTRACTIONS *c, my_wc_t wc);
uint16 *my_uca_contraction2_weight(const MY_CONTRACTIONS *c,
my_wc_t wc1, my_wc_t wc2);
/* Collation weights on a single level (e.g. primary, secondary, tertiarty) */
typedef struct my_uca_level_info_st
{
my_wc_t maxchar;
uchar *lengths;
uint16 **weights;
MY_CONTRACTIONS contractions;
} MY_UCA_WEIGHT_LEVEL;
typedef struct uca_info_st
{
MY_UCA_WEIGHT_LEVEL level[MY_UCA_WEIGHT_LEVELS];
/* Logical positions */
my_wc_t first_non_ignorable;
my_wc_t last_non_ignorable;
my_wc_t first_primary_ignorable;
my_wc_t last_primary_ignorable;
my_wc_t first_secondary_ignorable;
my_wc_t last_secondary_ignorable;
my_wc_t first_tertiary_ignorable;
my_wc_t last_tertiary_ignorable;
my_wc_t first_trailing;
my_wc_t last_trailing;
my_wc_t first_variable;
my_wc_t last_variable;
} MY_UCA_INFO;
extern MY_UCA_INFO my_uca_v400;
typedef struct uni_ctype_st
{
uchar pctype;
uchar *ctype;
} MY_UNI_CTYPE;
extern MY_UNI_CTYPE my_uni_ctype[256];
/* wm_wc and wc_mb return codes */
#define MY_CS_ILSEQ 0 /* Wrong by sequence: wb_wc */
#define MY_CS_ILUNI 0 /* Cannot encode Unicode to charset: wc_mb */
#define MY_CS_TOOSMALL -101 /* Need at least one byte: wc_mb and mb_wc */
#define MY_CS_TOOSMALL2 -102 /* Need at least two bytes: wc_mb and mb_wc */
#define MY_CS_TOOSMALL3 -103 /* Need at least three bytes: wc_mb and mb_wc */
/* These following three are currently not really used */
#define MY_CS_TOOSMALL4 -104 /* Need at least 4 bytes: wc_mb and mb_wc */
#define MY_CS_TOOSMALL5 -105 /* Need at least 5 bytes: wc_mb and mb_wc */
#define MY_CS_TOOSMALL6 -106 /* Need at least 6 bytes: wc_mb and mb_wc */
/* A helper macros for "need at least n bytes" */
#define MY_CS_TOOSMALLN(n) (-100-(n))
#define MY_SEQ_INTTAIL 1
#define MY_SEQ_SPACES 2
/* My charsets_list flags */
#define MY_CS_COMPILED 1 /* compiled-in sets */
#define MY_CS_CONFIG 2 /* sets that have a *.conf file */
#define MY_CS_INDEX 4 /* sets listed in the Index file */
#define MY_CS_LOADED 8 /* sets that are currently loaded */
#define MY_CS_BINSORT 16 /* if binary sort order */
#define MY_CS_PRIMARY 32 /* if primary collation */
#define MY_CS_STRNXFRM 64 /* if strnxfrm is used for sort */
#define MY_CS_UNICODE 128 /* is a charset is BMP Unicode */
#define MY_CS_READY 256 /* if a charset is initialized */
#define MY_CS_AVAILABLE 512 /* If either compiled-in or loaded*/
#define MY_CS_CSSORT 1024 /* if case sensitive sort order */
#define MY_CS_HIDDEN 2048 /* don't display in SHOW */
#define MY_CS_PUREASCII 4096 /* if a charset is pure ascii */
#define MY_CS_NONASCII 8192 /* if not ASCII-compatible */
#define MY_CS_UNICODE_SUPPLEMENT 16384 /* Non-BMP Unicode characters */
#define MY_CS_LOWER_SORT 32768 /* If use lower case as weight */
#define MY_CHARSET_UNDEFINED 0
/* Character repertoire flags */
#define MY_REPERTOIRE_ASCII 1 /* Pure ASCII U+0000..U+007F */
#define MY_REPERTOIRE_EXTENDED 2 /* Extended characters: U+0080..U+FFFF */
#define MY_REPERTOIRE_UNICODE30 3 /* ASCII | EXTENDED: U+0000..U+FFFF */
/* Flags for strxfrm */
#define MY_STRXFRM_LEVEL1 0x00000001 /* for primary weights */
#define MY_STRXFRM_LEVEL2 0x00000002 /* for secondary weights */
#define MY_STRXFRM_LEVEL3 0x00000004 /* for tertiary weights */
#define MY_STRXFRM_LEVEL4 0x00000008 /* fourth level weights */
#define MY_STRXFRM_LEVEL5 0x00000010 /* fifth level weights */
#define MY_STRXFRM_LEVEL6 0x00000020 /* sixth level weights */
#define MY_STRXFRM_LEVEL_ALL 0x0000003F /* Bit OR for the above six */
#define MY_STRXFRM_NLEVELS 6 /* Number of possible levels*/
#define MY_STRXFRM_PAD_WITH_SPACE 0x00000040 /* if pad result with spaces */
#define MY_STRXFRM_PAD_TO_MAXLEN 0x00000080 /* if pad tail(for filesort) */
#define MY_STRXFRM_DESC_LEVEL1 0x00000100 /* if desc order for level1 */
#define MY_STRXFRM_DESC_LEVEL2 0x00000200 /* if desc order for level2 */
#define MY_STRXFRM_DESC_LEVEL3 0x00000300 /* if desc order for level3 */
#define MY_STRXFRM_DESC_LEVEL4 0x00000800 /* if desc order for level4 */
#define MY_STRXFRM_DESC_LEVEL5 0x00001000 /* if desc order for level5 */
#define MY_STRXFRM_DESC_LEVEL6 0x00002000 /* if desc order for level6 */
#define MY_STRXFRM_DESC_SHIFT 8
#define MY_STRXFRM_UNUSED_00004000 0x00004000 /* for future extensions */
#define MY_STRXFRM_UNUSED_00008000 0x00008000 /* for future extensions */
#define MY_STRXFRM_REVERSE_LEVEL1 0x00010000 /* if reverse order for level1 */
#define MY_STRXFRM_REVERSE_LEVEL2 0x00020000 /* if reverse order for level2 */
#define MY_STRXFRM_REVERSE_LEVEL3 0x00040000 /* if reverse order for level3 */
#define MY_STRXFRM_REVERSE_LEVEL4 0x00080000 /* if reverse order for level4 */
#define MY_STRXFRM_REVERSE_LEVEL5 0x00100000 /* if reverse order for level5 */
#define MY_STRXFRM_REVERSE_LEVEL6 0x00200000 /* if reverse order for level6 */
#define MY_STRXFRM_REVERSE_SHIFT 16
typedef struct my_uni_idx_st
{
uint16 from;
uint16 to;
const uchar *tab;
} MY_UNI_IDX;
typedef struct
{
uint beg;
uint end;
uint mb_len;
} my_match_t;
struct charset_info_st;
typedef struct my_charset_loader_st
{
char error[128];
void *(*once_alloc)(size_t);
void *(*mem_malloc)(size_t);
void *(*mem_realloc)(void *, size_t);
void (*mem_free)(void *);
void (*reporter)(enum loglevel, const char *format, ...);
int (*add_collation)(struct charset_info_st *cs);
} MY_CHARSET_LOADER;
extern int (*my_string_stack_guard)(int);
/* See strings/CHARSET_INFO.txt for information about this structure */
typedef struct my_collation_handler_st
{
my_bool (*init)(struct charset_info_st *, MY_CHARSET_LOADER *);
/* Collation routines */
int (*strnncoll)(const struct charset_info_st *,
const uchar *, size_t, const uchar *, size_t, my_bool);
int (*strnncollsp)(const struct charset_info_st *,
const uchar *, size_t, const uchar *, size_t,
my_bool diff_if_only_endspace_difference);
size_t (*strnxfrm)(const struct charset_info_st *,
uchar *dst, size_t dstlen, uint nweights,
const uchar *src, size_t srclen, uint flags);
size_t (*strnxfrmlen)(const struct charset_info_st *, size_t);
my_bool (*like_range)(const struct charset_info_st *,
const char *s, size_t s_length,
pchar w_prefix, pchar w_one, pchar w_many,
size_t res_length,
char *min_str, char *max_str,
size_t *min_len, size_t *max_len);
int (*wildcmp)(const struct charset_info_st *,
const char *str,const char *str_end,
const char *wildstr,const char *wildend,
int escape,int w_one, int w_many);
int (*strcasecmp)(const struct charset_info_st *, const char *,
const char *);
uint (*instr)(const struct charset_info_st *,
const char *b, size_t b_length,
const char *s, size_t s_length,
my_match_t *match, uint nmatch);
/* Hash calculation */
void (*hash_sort)(const struct charset_info_st *cs, const uchar *key,
size_t len, ulong *nr1, ulong *nr2);
my_bool (*propagate)(const struct charset_info_st *cs, const uchar *str,
size_t len);
} MY_COLLATION_HANDLER;
extern MY_COLLATION_HANDLER my_collation_mb_bin_handler;
extern MY_COLLATION_HANDLER my_collation_8bit_bin_handler;
extern MY_COLLATION_HANDLER my_collation_8bit_simple_ci_handler;
extern MY_COLLATION_HANDLER my_collation_ucs2_uca_handler;
/* Some typedef to make it easy for C++ to make function pointers */
typedef int (*my_charset_conv_mb_wc)(const struct charset_info_st *,
my_wc_t *, const uchar *, const uchar *);
typedef int (*my_charset_conv_wc_mb)(const struct charset_info_st *, my_wc_t,
uchar *, uchar *);
typedef size_t (*my_charset_conv_case)(const struct charset_info_st *,
char *, size_t, char *, size_t);
/* See strings/CHARSET_INFO.txt about information on this structure */
typedef struct my_charset_handler_st
{
my_bool (*init)(struct charset_info_st *, MY_CHARSET_LOADER *loader);
/* Multibyte routines */
uint (*ismbchar)(const struct charset_info_st *, const char *,
const char *);
uint (*mbcharlen)(const struct charset_info_st *, uint c);
size_t (*numchars)(const struct charset_info_st *, const char *b,
const char *e);
size_t (*charpos)(const struct charset_info_st *, const char *b,
const char *e, size_t pos);
size_t (*well_formed_len)(const struct charset_info_st *,
const char *b,const char *e,
size_t nchars, int *error);
size_t (*lengthsp)(const struct charset_info_st *, const char *ptr,
size_t length);
size_t (*numcells)(const struct charset_info_st *, const char *b,
const char *e);
/* Unicode conversion */
my_charset_conv_mb_wc mb_wc;
my_charset_conv_wc_mb wc_mb;
/* CTYPE scanner */
int (*ctype)(const struct charset_info_st *cs, int *ctype,
const uchar *s, const uchar *e);
/* Functions for case and sort conversion */
size_t (*caseup_str)(const struct charset_info_st *, char *);
size_t (*casedn_str)(const struct charset_info_st *, char *);
my_charset_conv_case caseup;
my_charset_conv_case casedn;
/* Charset dependant snprintf() */
size_t (*snprintf)(const struct charset_info_st *, char *to, size_t n,
const char *fmt,
...) MY_ATTRIBUTE((format(printf, 4, 5)));
size_t (*long10_to_str)(const struct charset_info_st *, char *to, size_t n,
int radix, long int val);
size_t (*longlong10_to_str)(const struct charset_info_st *, char *to,
size_t n, int radix, longlong val);
void (*fill)(const struct charset_info_st *, char *to, size_t len,
int fill);
/* String-to-number conversion routines */
long (*strntol)(const struct charset_info_st *, const char *s,
size_t l, int base, char **e, int *err);
ulong (*strntoul)(const struct charset_info_st *, const char *s,
size_t l, int base, char **e, int *err);
longlong (*strntoll)(const struct charset_info_st *, const char *s,
size_t l, int base, char **e, int *err);
ulonglong (*strntoull)(const struct charset_info_st *, const char *s,
size_t l, int base, char **e, int *err);
double (*strntod)(const struct charset_info_st *, char *s,
size_t l, char **e, int *err);
longlong (*strtoll10)(const struct charset_info_st *cs,
const char *nptr, char **endptr, int *error);
ulonglong (*strntoull10rnd)(const struct charset_info_st *cs,
const char *str, size_t length,
int unsigned_fl,
char **endptr, int *error);
size_t (*scan)(const struct charset_info_st *, const char *b,
const char *e, int sq);
} MY_CHARSET_HANDLER;
extern MY_CHARSET_HANDLER my_charset_8bit_handler;
extern MY_CHARSET_HANDLER my_charset_ascii_handler;
extern MY_CHARSET_HANDLER my_charset_ucs2_handler;
/*
We define this CHARSET_INFO_DEFINED here to prevent a repeat of the
typedef in hash.c, which will cause a compiler error.
*/
#define CHARSET_INFO_DEFINED
/* See strings/CHARSET_INFO.txt about information on this structure */
typedef struct charset_info_st
{
uint number;
uint primary_number;
uint binary_number;
uint state;
const char *csname;
const char *name;
const char *comment;
const char *tailoring;
const uchar *ctype;
const uchar *to_lower;
const uchar *to_upper;
const uchar *sort_order;
MY_UCA_INFO *uca; /* This can be changed in apply_one_rule() */
const uint16 *tab_to_uni;
const MY_UNI_IDX *tab_from_uni;
const MY_UNICASE_INFO *caseinfo;
const struct lex_state_maps_st *state_maps; /* parser internal data */
const uchar *ident_map; /* parser internal data */
uint strxfrm_multiply;
uchar caseup_multiply;
uchar casedn_multiply;
uint mbminlen;
uint mbmaxlen;
uint mbmaxlenlen;
my_wc_t min_sort_char;
my_wc_t max_sort_char; /* For LIKE optimization */
uchar pad_char;
my_bool escape_with_backslash_is_dangerous;
uchar levels_for_compare;
uchar levels_for_order;
MY_CHARSET_HANDLER *cset;
MY_COLLATION_HANDLER *coll;
} CHARSET_INFO;
#define ILLEGAL_CHARSET_INFO_NUMBER (~0U)
extern MYSQL_PLUGIN_IMPORT CHARSET_INFO my_charset_bin;
extern MYSQL_PLUGIN_IMPORT CHARSET_INFO my_charset_latin1;
extern MYSQL_PLUGIN_IMPORT CHARSET_INFO my_charset_filename;
extern CHARSET_INFO my_charset_big5_chinese_ci;
extern CHARSET_INFO my_charset_big5_bin;
extern CHARSET_INFO my_charset_cp932_japanese_ci;
extern CHARSET_INFO my_charset_cp932_bin;
extern CHARSET_INFO my_charset_cp1250_czech_ci;
extern CHARSET_INFO my_charset_eucjpms_japanese_ci;
extern CHARSET_INFO my_charset_eucjpms_bin;
extern CHARSET_INFO my_charset_euckr_korean_ci;
extern CHARSET_INFO my_charset_euckr_bin;
extern CHARSET_INFO my_charset_gb2312_chinese_ci;
extern CHARSET_INFO my_charset_gb2312_bin;
extern CHARSET_INFO my_charset_gbk_chinese_ci;
extern CHARSET_INFO my_charset_gbk_bin;
extern CHARSET_INFO my_charset_gb18030_chinese_ci;
extern CHARSET_INFO my_charset_gb18030_bin;
extern CHARSET_INFO my_charset_latin1_german2_ci;
extern CHARSET_INFO my_charset_latin1_bin;
extern CHARSET_INFO my_charset_latin2_czech_ci;
extern CHARSET_INFO my_charset_sjis_japanese_ci;
extern CHARSET_INFO my_charset_sjis_bin;
extern CHARSET_INFO my_charset_tis620_thai_ci;
extern CHARSET_INFO my_charset_tis620_bin;
extern CHARSET_INFO my_charset_ucs2_general_ci;
extern CHARSET_INFO my_charset_ucs2_bin;
extern CHARSET_INFO my_charset_ucs2_unicode_ci;
extern CHARSET_INFO my_charset_ucs2_general_mysql500_ci;
extern CHARSET_INFO my_charset_ujis_japanese_ci;
extern CHARSET_INFO my_charset_ujis_bin;
extern CHARSET_INFO my_charset_utf16_bin;
extern CHARSET_INFO my_charset_utf16_general_ci;
extern CHARSET_INFO my_charset_utf16_unicode_ci;
extern CHARSET_INFO my_charset_utf16le_bin;
extern CHARSET_INFO my_charset_utf16le_general_ci;
extern CHARSET_INFO my_charset_utf32_bin;
extern CHARSET_INFO my_charset_utf32_general_ci;
extern CHARSET_INFO my_charset_utf32_unicode_ci;
extern MYSQL_PLUGIN_IMPORT CHARSET_INFO my_charset_utf8_general_ci;
extern CHARSET_INFO my_charset_utf8_tolower_ci;
extern CHARSET_INFO my_charset_utf8_unicode_ci;
extern CHARSET_INFO my_charset_utf8_bin;
extern CHARSET_INFO my_charset_utf8_general_mysql500_ci;
extern CHARSET_INFO my_charset_utf8mb4_bin;
extern MYSQL_PLUGIN_IMPORT CHARSET_INFO my_charset_utf8mb4_general_ci;
extern CHARSET_INFO my_charset_utf8mb4_unicode_ci;
#define MY_UTF8MB3 "utf8"
#define MY_UTF8MB4 "utf8mb4"
/* declarations for simple charsets */
extern size_t my_strnxfrm_simple(const CHARSET_INFO *,
uchar *dst, size_t dstlen, uint nweights,
const uchar *src, size_t srclen, uint flags);
size_t my_strnxfrmlen_simple(const CHARSET_INFO *, size_t);
extern int my_strnncoll_simple(const CHARSET_INFO *, const uchar *, size_t,
const uchar *, size_t, my_bool);
extern int my_strnncollsp_simple(const CHARSET_INFO *, const uchar *, size_t,
const uchar *, size_t,
my_bool diff_if_only_endspace_difference);
extern void my_hash_sort_simple(const CHARSET_INFO *cs,
const uchar *key, size_t len,
ulong *nr1, ulong *nr2);
extern size_t my_lengthsp_8bit(const CHARSET_INFO *cs, const char *ptr,
size_t length);
extern uint my_instr_simple(const struct charset_info_st *,
const char *b, size_t b_length,
const char *s, size_t s_length,
my_match_t *match, uint nmatch);
/* Functions for 8bit */
extern size_t my_caseup_str_8bit(const CHARSET_INFO *, char *);
extern size_t my_casedn_str_8bit(const CHARSET_INFO *, char *);
extern size_t my_caseup_8bit(const CHARSET_INFO *, char *src, size_t srclen,
char *dst, size_t dstlen);
extern size_t my_casedn_8bit(const CHARSET_INFO *, char *src, size_t srclen,
char *dst, size_t dstlen);
extern int my_strcasecmp_8bit(const CHARSET_INFO * cs, const char *,
const char *);
int my_mb_wc_8bit(const CHARSET_INFO *cs,my_wc_t *wc, const uchar *s,
const uchar *e);
int my_wc_mb_8bit(const CHARSET_INFO *cs,my_wc_t wc, uchar *s, uchar *e);
int my_mb_ctype_8bit(const CHARSET_INFO *,int *, const uchar *,const uchar *);
int my_mb_ctype_mb(const CHARSET_INFO *,int *, const uchar *,const uchar *);
size_t my_scan_8bit(const CHARSET_INFO *cs, const char *b, const char *e,
int sq);
size_t my_snprintf_8bit(const struct charset_info_st *, char *to, size_t n,
const char *fmt, ...)
MY_ATTRIBUTE((format(printf, 4, 5)));
long my_strntol_8bit(const CHARSET_INFO *, const char *s, size_t l,
int base, char **e, int *err);
ulong my_strntoul_8bit(const CHARSET_INFO *, const char *s, size_t l,
int base, char **e, int *err);
longlong my_strntoll_8bit(const CHARSET_INFO *, const char *s, size_t l,
int base, char **e, int *err);
ulonglong my_strntoull_8bit(const CHARSET_INFO *, const char *s, size_t l,
int base, char **e, int *err);
double my_strntod_8bit(const CHARSET_INFO *, char *s, size_t l, char **e,
int *err);
size_t my_long10_to_str_8bit(const CHARSET_INFO *, char *to, size_t l,
int radix, long int val);
size_t my_longlong10_to_str_8bit(const CHARSET_INFO *, char *to, size_t l,
int radix, longlong val);
longlong my_strtoll10_8bit(const CHARSET_INFO *cs,
const char *nptr, char **endptr, int *error);
longlong my_strtoll10_ucs2(const CHARSET_INFO *cs,
const char *nptr, char **endptr, int *error);
ulonglong my_strntoull10rnd_8bit(const CHARSET_INFO *cs,
const char *str, size_t length, int
unsigned_fl, char **endptr, int *error);
ulonglong my_strntoull10rnd_ucs2(const CHARSET_INFO *cs,
const char *str, size_t length,
int unsigned_fl, char **endptr, int *error);
void my_fill_8bit(const CHARSET_INFO *cs, char* to, size_t l, int fill);
/* For 8-bit character set */
my_bool my_like_range_simple(const CHARSET_INFO *cs,
const char *ptr, size_t ptr_length,
pbool escape, pbool w_one, pbool w_many,
size_t res_length,
char *min_str, char *max_str,
size_t *min_length, size_t *max_length);
/* For ASCII-based multi-byte character sets with mbminlen=1 */
my_bool my_like_range_mb(const CHARSET_INFO *cs,
const char *ptr, size_t ptr_length,
pbool escape, pbool w_one, pbool w_many,
size_t res_length,
char *min_str, char *max_str,
size_t *min_length, size_t *max_length);
/* For other character sets, with arbitrary mbminlen and mbmaxlen numbers */
my_bool my_like_range_generic(const CHARSET_INFO *cs,
const char *ptr, size_t ptr_length,
pbool escape, pbool w_one, pbool w_many,
size_t res_length,
char *min_str, char *max_str,
size_t *min_length, size_t *max_length);
int my_wildcmp_8bit(const CHARSET_INFO *,
const char *str,const char *str_end,
const char *wildstr,const char *wildend,
int escape, int w_one, int w_many);
int my_wildcmp_bin(const CHARSET_INFO *,
const char *str,const char *str_end,
const char *wildstr,const char *wildend,
int escape, int w_one, int w_many);
size_t my_numchars_8bit(const CHARSET_INFO *, const char *b, const char *e);
size_t my_numcells_8bit(const CHARSET_INFO *, const char *b, const char *e);
size_t my_charpos_8bit(const CHARSET_INFO *, const char *b, const char *e,
size_t pos);
size_t my_well_formed_len_8bit(const CHARSET_INFO *, const char *b,
const char *e, size_t pos, int *error);
uint my_mbcharlen_8bit(const CHARSET_INFO *, uint c);
/* Functions for multibyte charsets */
extern size_t my_caseup_str_mb(const CHARSET_INFO *, char *);
extern size_t my_casedn_str_mb(const CHARSET_INFO *, char *);
extern size_t my_caseup_mb(const CHARSET_INFO *, char *src, size_t srclen,
char *dst, size_t dstlen);
extern size_t my_casedn_mb(const CHARSET_INFO *, char *src, size_t srclen,
char *dst, size_t dstlen);
extern size_t my_caseup_mb_varlen(const CHARSET_INFO *, char *src,
size_t srclen, char *dst, size_t dstlen);
extern size_t my_casedn_mb_varlen(const CHARSET_INFO *, char *src,
size_t srclen, char *dst, size_t dstlen);
extern size_t my_caseup_ujis(const CHARSET_INFO *, char *src, size_t srclen,
char *dst, size_t dstlen);
extern size_t my_casedn_ujis(const CHARSET_INFO *, char *src, size_t srclen,
char *dst, size_t dstlen);
extern int my_strcasecmp_mb(const CHARSET_INFO * cs,const char *,
const char *);
int my_wildcmp_mb(const CHARSET_INFO *,
const char *str,const char *str_end,
const char *wildstr,const char *wildend,
int escape, int w_one, int w_many);
size_t my_numchars_mb(const CHARSET_INFO *, const char *b, const char *e);
size_t my_numcells_mb(const CHARSET_INFO *, const char *b, const char *e);
size_t my_charpos_mb(const CHARSET_INFO *, const char *b, const char *e,
size_t pos);
size_t my_well_formed_len_mb(const CHARSET_INFO *, const char *b,
const char *e, size_t pos, int *error);
uint my_instr_mb(const struct charset_info_st *,
const char *b, size_t b_length,
const char *s, size_t s_length,
my_match_t *match, uint nmatch);
int my_strnncoll_mb_bin(const CHARSET_INFO * cs,
const uchar *s, size_t slen,
const uchar *t, size_t tlen,
my_bool t_is_prefix);
int my_strnncollsp_mb_bin(const CHARSET_INFO *cs,
const uchar *a, size_t a_length,
const uchar *b, size_t b_length,
my_bool diff_if_only_endspace_difference);
int my_wildcmp_mb_bin(const CHARSET_INFO *cs,
const char *str,const char *str_end,
const char *wildstr,const char *wildend,
int escape, int w_one, int w_many);
int my_strcasecmp_mb_bin(const CHARSET_INFO * cs MY_ATTRIBUTE((unused)),
const char *s, const char *t);
void my_hash_sort_mb_bin(const CHARSET_INFO *cs MY_ATTRIBUTE((unused)),
const uchar *key, size_t len,ulong *nr1, ulong *nr2);
size_t my_strnxfrm_mb(const CHARSET_INFO *,
uchar *dst, size_t dstlen, uint nweights,
const uchar *src, size_t srclen, uint flags);
size_t my_strnxfrm_unicode(const CHARSET_INFO *,
uchar *dst, size_t dstlen, uint nweights,
const uchar *src, size_t srclen, uint flags);
size_t my_strnxfrm_unicode_full_bin(const CHARSET_INFO *,
uchar *dst, size_t dstlen, uint nweights,
const uchar *src, size_t srclen, uint flags);
size_t my_strnxfrmlen_unicode_full_bin(const CHARSET_INFO *, size_t);
int my_wildcmp_unicode(const CHARSET_INFO *cs,
const char *str, const char *str_end,
const char *wildstr, const char *wildend,
int escape, int w_one, int w_many,
const MY_UNICASE_INFO *weights);
extern my_bool my_parse_charset_xml(MY_CHARSET_LOADER *loader,
const char *buf, size_t buflen);
extern char *my_strchr(const CHARSET_INFO *cs, const char *str,
const char *end, pchar c);
extern size_t my_strcspn(const CHARSET_INFO *cs, const char *str,
const char *end, const char *reject,
size_t reject_length);
my_bool my_propagate_simple(const CHARSET_INFO *cs, const uchar *str,
size_t len);
my_bool my_propagate_complex(const CHARSET_INFO *cs, const uchar *str,
size_t len);
uint my_string_repertoire(const CHARSET_INFO *cs, const char *str, size_t len);
my_bool my_charset_is_ascii_based(const CHARSET_INFO *cs);
my_bool my_charset_is_8bit_pure_ascii(const CHARSET_INFO *cs);
uint my_charset_repertoire(const CHARSET_INFO *cs);
uint my_strxfrm_flag_normalize(uint flags, uint nlevels);
void my_strxfrm_desc_and_reverse(uchar *str, uchar *strend,
uint flags, uint level);
size_t my_strxfrm_pad_desc_and_reverse(const CHARSET_INFO *cs,
uchar *str, uchar *frmend, uchar *strend,
uint nweights, uint flags, uint level);
my_bool my_charset_is_ascii_compatible(const CHARSET_INFO *cs);
const MY_CONTRACTIONS *my_charset_get_contractions(const CHARSET_INFO *cs,
int level);
extern size_t my_vsnprintf_ex(const CHARSET_INFO *cs, char *to, size_t n,
const char* fmt, va_list ap);
size_t my_convert(char *to, size_t to_length, const CHARSET_INFO *to_cs,
const char *from, size_t from_length,
const CHARSET_INFO *from_cs, uint *errors);
uint my_mbcharlen_ptr(const CHARSET_INFO *cs, const char *s, const char *e);
#define _MY_U 01 /* Upper case */
#define _MY_L 02 /* Lower case */
#define _MY_NMR 04 /* Numeral (digit) */
#define _MY_SPC 010 /* Spacing character */
#define _MY_PNT 020 /* Punctuation */
#define _MY_CTR 040 /* Control character */
#define _MY_B 0100 /* Blank */
#define _MY_X 0200 /* heXadecimal digit */
#define my_isascii(c) (!((c) & ~0177))
#define my_toascii(c) ((c) & 0177)
#define my_tocntrl(c) ((c) & 31)
#define my_toprint(c) ((c) | 64)
#define my_toupper(s,c) (char) ((s)->to_upper[(uchar) (c)])
#define my_tolower(s,c) (char) ((s)->to_lower[(uchar) (c)])
#define my_isalpha(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_U | _MY_L))
#define my_isupper(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_U)
#define my_islower(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_L)
#define my_isdigit(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_NMR)
#define my_isxdigit(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_X)
#define my_isalnum(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_U | _MY_L | _MY_NMR))
#define my_isspace(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_SPC)
#define my_ispunct(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_PNT)
#define my_isprint(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_PNT | _MY_U | _MY_L | _MY_NMR | _MY_B))
#define my_isgraph(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_PNT | _MY_U | _MY_L | _MY_NMR))
#define my_iscntrl(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_CTR)
/* Some macros that should be cleaned up a little */
#define my_isvar(s,c) (my_isalnum(s,c) || (c) == '_')
#define my_isvar_start(s,c) (my_isalpha(s,c) || (c) == '_')
#define my_binary_compare(s) ((s)->state & MY_CS_BINSORT)
#define use_strnxfrm(s) ((s)->state & MY_CS_STRNXFRM)
#define my_strnxfrm(cs, d, dl, s, sl) \
((cs)->coll->strnxfrm((cs), (d), (dl), (dl), (s), (sl), MY_STRXFRM_PAD_WITH_SPACE))
#define my_strnncoll(s, a, b, c, d) ((s)->coll->strnncoll((s), (a), (b), (c), (d), 0))
#define my_like_range(s, a, b, c, d, e, f, g, h, i, j) \
((s)->coll->like_range((s), (a), (b), (c), (d), (e), (f), (g), (h), (i), (j)))
#define my_wildcmp(cs,s,se,w,we,e,o,m) ((cs)->coll->wildcmp((cs),(s),(se),(w),(we),(e),(o),(m)))
#define my_strcasecmp(s, a, b) ((s)->coll->strcasecmp((s), (a), (b)))
#define my_charpos(cs, b, e, num) (cs)->cset->charpos((cs), (const char*) (b), (const char *)(e), (num))
#define use_mb(s) ((s)->cset->ismbchar != NULL)
#define my_ismbchar(s, a, b) ((s)->cset->ismbchar((s), (a), (b)))
#define my_mbcharlen(s, a) ((s)->cset->mbcharlen((s),(a)))
/**
Get the length of gb18030 code by the given two leading bytes
@param[in] s charset_info
@param[in] a first byte of gb18030 code
@param[in] b second byte of gb18030 code
@return the length of gb18030 code starting with given two bytes,
the length would be 2 or 4 for valid gb18030 code,
or 0 for invalid gb18030 code
*/
#define my_mbcharlen_2(s, a, b) ((s)->cset->mbcharlen((s),((((a) & 0xFF) << 8) + ((b) & 0xFF))))
/**
Get the maximum length of leading bytes needed to determine the length of a
multi-byte gb18030 code
@param[in] s charset_info
@return number of leading bytes we need, would be 2 for gb18030
and 1 for all other charsets
*/
#define my_mbmaxlenlen(s) ((s)->mbmaxlenlen)
/**
Judge if the given byte is a possible leading byte for a charset.
For gb18030 whose mbmaxlenlen is 2, we can't determine the length of
a multi-byte character by looking at the first byte only
@param[in] s charset_info
@param[in] i possible leading byte
@return true if it is, otherwise false
*/
#define my_ismb1st(s, i) \
(my_mbcharlen((s), (i)) > 1 || \
(my_mbmaxlenlen((s)) == 2 && my_mbcharlen((s), (i)) == 0))
#define my_caseup_str(s, a) ((s)->cset->caseup_str((s), (a)))
#define my_casedn_str(s, a) ((s)->cset->casedn_str((s), (a)))
#define my_strntol(s, a, b, c, d, e) ((s)->cset->strntol((s),(a),(b),(c),(d),(e)))
#define my_strntoul(s, a, b, c, d, e) ((s)->cset->strntoul((s),(a),(b),(c),(d),(e)))
#define my_strntoll(s, a, b, c, d, e) ((s)->cset->strntoll((s),(a),(b),(c),(d),(e)))
#define my_strntoull(s, a, b, c,d, e) ((s)->cset->strntoull((s),(a),(b),(c),(d),(e)))
#define my_strntod(s, a, b, c, d) ((s)->cset->strntod((s),(a),(b),(c),(d)))
#ifdef __cplusplus
}
#endif
#endif /* _m_ctype_h */