~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems, Inc.

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  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 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

 */

/*

  Header File that defines all the charset declarations being used in Drizzle source code

*/

#pragma once

#include <sys/types.h>

#include <cstddef>

#include <drizzled/visibility.h>

#include <drizzled/common_fwd.h>

#include <drizzled/definitions.h>

namespace drizzled {

#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 unsigned long

/* 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 */

#define MY_SEQ_INTTAIL	1

#define MY_SEQ_SPACES	2

#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 full 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_NONASCII  8192   /* if not ASCII-compatible        */

#define MY_CHARSET_UNDEFINED 0

/* 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_UNUSED_00000080 0x00000080 /* for future extensions     */

#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

#define ILLEGAL_CHARSET_INFO_NUMBER (UINT32_MAX)

#define MY_UTF8MB4                 "utf8"

#define my_charset_utf8_general_ci ::drizzled::my_charset_utf8mb4_general_ci

#define my_charset_utf8_bin        ::drizzled::my_charset_utf8mb4_bin

#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 */

/* Some typedef to make it easy for C++ to make function pointers */

typedef int (*my_charset_conv_mb_wc)(const charset_info_st*, my_wc_t *, const unsigned char*, const unsigned char *);

typedef int (*my_charset_conv_wc_mb)(const charset_info_st*, my_wc_t, unsigned char*, unsigned char *);

typedef size_t (*my_charset_conv_case)(const charset_info_st*, char*, size_t, char*, size_t);

struct MY_UNICASE_INFO

{

  uint16_t toupper;

  uint16_t tolower;

  uint16_t sort;

};

struct MY_UNI_CTYPE

{

  unsigned char pctype;

  unsigned char* ctype;

};

struct MY_UNI_IDX

{

  uint16_t from;

  uint16_t to;

  unsigned char  *tab;

};

struct my_match_t

{

  uint32_t beg;

  uint32_t end;

  uint32_t mb_len;

};

enum my_lex_states

{

  MY_LEX_START, MY_LEX_CHAR, MY_LEX_IDENT,

  MY_LEX_IDENT_SEP, MY_LEX_IDENT_START,

  MY_LEX_REAL, MY_LEX_HEX_NUMBER, MY_LEX_BIN_NUMBER,

  MY_LEX_CMP_OP, MY_LEX_LONG_CMP_OP, MY_LEX_STRING, MY_LEX_COMMENT, MY_LEX_END,

  MY_LEX_OPERATOR_OR_IDENT, MY_LEX_NUMBER_IDENT, MY_LEX_INT_OR_REAL,

  MY_LEX_REAL_OR_POINT, MY_LEX_BOOL, MY_LEX_EOL, MY_LEX_ESCAPE,

  MY_LEX_LONG_COMMENT, MY_LEX_END_LONG_COMMENT, MY_LEX_SEMICOLON,

  MY_LEX_SET_VAR, MY_LEX_USER_END, MY_LEX_HOSTNAME, MY_LEX_SKIP,

  MY_LEX_USER_VARIABLE_DELIMITER, MY_LEX_SYSTEM_VAR,

  MY_LEX_IDENT_OR_KEYWORD,

  MY_LEX_IDENT_OR_HEX, MY_LEX_IDENT_OR_BIN,

  MY_LEX_STRING_OR_DELIMITER

};

/* See strings/charset_info_st.txt for information about this structure  */

struct MY_COLLATION_HANDLER

{

  bool (*init)(charset_info_st&, unsigned char *(*alloc)(size_t));

  /* Collation routines */

  int (*strnncoll)(const charset_info_st*, const unsigned char*, size_t, const unsigned char*, size_t, bool);

  int (*strnncollsp)(const charset_info_st*, const unsigned char*, size_t, const unsigned char*, size_t, bool diff_if_only_endspace_difference);

  size_t (*strnxfrm)(const charset_info_st*, unsigned char *dst, size_t dstlen, uint32_t nweights, const unsigned char *src, size_t srclen, uint32_t flags);

  size_t (*strnxfrmlen)(const charset_info_st*, size_t);

  bool (*like_range)(const charset_info_st*, const char *s, size_t s_length, char escape, char w_one, char w_many, 

    size_t res_length, char *min_str, char *max_str, size_t *min_len, size_t *max_len);

  int (*wildcmp)(const 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 charset_info_st*, const char*, const char *);

  uint32_t (*instr)(const charset_info_st*, const char *b, size_t b_length, const char *s, size_t s_length, my_match_t *match, uint32_t nmatch);

  /* Hash calculation */

  void (*hash_sort)(const charset_info_st*, const unsigned char *key, size_t len, uint32_t *nr1, uint32_t *nr2);

  bool (*propagate)();

};

/* See strings/charset_info_st.txt about information on this structure  */

struct MY_CHARSET_HANDLER

{

  /* Multibyte routines */

  uint32_t (*ismbchar)(const charset_info_st*, const char*, const char *);

  uint32_t (*mbcharlen)(const charset_info_st*, uint32_t c);

  size_t (*numchars)(const charset_info_st*, const char *b, const char *e);

  size_t (*charpos)(const charset_info_st*, const char *b, const char *e, size_t pos);

  size_t (*well_formed_len)(const charset_info_st&, str_ref, size_t nchars, int *error);

  size_t (*lengthsp)(const charset_info_st*, const char *ptr, size_t length);

  size_t (*numcells)(const 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 charset_info_st *cs, int *ctype, const unsigned char *s, const unsigned char *e);

  /* Functions for case and sort conversion */

  size_t (*caseup_str)(const charset_info_st*, char *);

  size_t (*casedn_str)(const charset_info_st*, char *);

  my_charset_conv_case caseup;

  my_charset_conv_case casedn;

  /* Charset dependant snprintf() */

  size_t (*snprintf)(const charset_info_st*, char *to, size_t n, const char *fmt, ...)

#if defined(__GNUC__) && !defined(__INTEL_COMPILER)

                         __attribute__((format(printf, 4, 5)))

#endif

                         ;

  size_t (*long10_to_str)(const charset_info_st*, char *to, size_t n, int radix, long int val);

  size_t (*int64_t10_to_str)(const charset_info_st*, char *to, size_t n, int radix, int64_t val);

  void (*fill)(const charset_info_st*, char *to, size_t len, int fill);

  /* String-to-number conversion routines */

  long (*strntol)(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

  unsigned long (*strntoul)(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

  int64_t (*strntoll)(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

  uint64_t (*strntoull)(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

  double (*strntod)(const charset_info_st*, char *s, size_t l, char **e, int *err);

  int64_t (*strtoll10)(const charset_info_st*, const char *nptr, char **endptr, int *error);

  uint64_t (*strntoull10rnd)(const charset_info_st*, const char *str, size_t length, int unsigned_fl, char **endptr, int *error);

  size_t (*scan)(const charset_info_st*, const char *b, const char *e, int sq);

};

/* See strings/charset_info_st.txt about information on this structure  */

struct charset_info_st

{

  uint32_t      number;

  uint32_t      primary_number;

  uint32_t      binary_number;

  uint32_t      state;

  const char *csname;

  const char *name;

  const char *comment;

  const char *tailoring;

  unsigned char    *ctype;

  unsigned char    *to_lower;

  unsigned char    *to_upper;

  unsigned char    *sort_order;

  uint16_t   *contractions;

  uint16_t   **sort_order_big;

  uint16_t      *tab_to_uni;

  MY_UNI_IDX  *tab_from_uni;

  MY_UNICASE_INFO **caseinfo;

  unsigned char     *state_map;

  unsigned char     *ident_map;

  uint32_t      strxfrm_multiply;

  unsigned char     caseup_multiply;

  unsigned char     casedn_multiply;

  uint32_t      mbminlen;

  uint32_t      mbmaxlen;

  uint16_t    min_sort_char;

  uint16_t    max_sort_char; /* For LIKE optimization */

  unsigned char     pad_char;

  unsigned char     levels_for_compare;

  unsigned char     levels_for_order;

  MY_CHARSET_HANDLER *cset;

  MY_COLLATION_HANDLER *coll;

  bool isalpha(unsigned char c) const

  {

    return ctype[c + 1] & (_MY_U | _MY_L);

  }

  bool isupper(unsigned char c) const

  {

    return ctype[c + 1] & _MY_U;

  }

  bool islower(unsigned char c) const

  {

    return ctype[c + 1] & _MY_L;

  }

  bool isdigit(unsigned char c) const

  {

    return ctype[c + 1] & _MY_NMR;

  }

  bool isxdigit(unsigned char c) const

  {

    return ctype[c + 1] & _MY_X;

  }

  bool isalnum(unsigned char c) const

  {

    return ctype[c + 1] & (_MY_U | _MY_L | _MY_NMR);

  }

  bool isspace(unsigned char c) const

  {

    return ctype[c + 1] & _MY_SPC;

  }

  bool ispunct(unsigned char c) const  

  {

    return ctype[c + 1] & _MY_PNT;

  }

  bool isprint(unsigned char c) const

  {

    return ctype[c + 1] & (_MY_PNT | _MY_U | _MY_L | _MY_NMR | _MY_B);

  }

  bool isgraph(unsigned char c) const

  {

    return ctype[c + 1] & (_MY_PNT | _MY_U | _MY_L | _MY_NMR);

  }

  bool iscntrl(unsigned char c) const

  {

    return ctype[c + 1] & _MY_CTR;

  }

  bool isvar(char c) const

  {

    return isalnum(c) || (c) == '_';

  }

  char toupper(unsigned char c) const

  {

    return to_upper[c];

  }

  char tolower(unsigned char c) const

  {

    return to_lower[c];

  }

  bool binary_compare() const

  {

    return state  & MY_CS_BINSORT;

  }

  bool use_strnxfrm() const

  {

    return state & MY_CS_STRNXFRM;

  }

  size_t strnxfrm(unsigned char *dst, const size_t dstlen, const unsigned char *src, const uint32_t srclen) const

  {

    return coll->strnxfrm(this, dst, dstlen, dstlen, src, srclen, MY_STRXFRM_PAD_WITH_SPACE);

  }

  int strcasecmp(const char *s, const char *t) const

  {

    return coll->strcasecmp(this, s, t);

  }

  size_t caseup_str(char* src) const

  {

    return cset->caseup_str(this, src);

  }

  size_t casedn_str(char* src) const

  {

    return cset->casedn_str(this, src);

  }

};

extern DRIZZLED_API charset_info_st *all_charsets[256];

uint32_t get_charset_number(const char *cs_name, uint32_t cs_flags);

uint32_t get_collation_number(const char *name);

const char *get_charset_name(uint32_t cs_number);

void free_charsets();

bool my_charset_same(const charset_info_st*, const charset_info_st*);

size_t escape_string_for_drizzle(const charset_info_st *charset_info, char *to, size_t to_length, const char *from, size_t length);

size_t escape_quotes_for_drizzle(const charset_info_st *charset_info, char *to, size_t to_length, const char *from, size_t length);

extern DRIZZLED_API const charset_info_st *default_charset_info;

extern DRIZZLED_API const charset_info_st *system_charset_info;

extern const charset_info_st *files_charset_info;

extern const charset_info_st *table_alias_charset;

extern MY_UNICASE_INFO *my_unicase_default[256];

extern MY_UNICASE_INFO *my_unicase_turkish[256];

extern MY_UNI_CTYPE my_uni_ctype[256];

extern DRIZZLED_API charset_info_st my_charset_bin;

extern DRIZZLED_API charset_info_st my_charset_utf8mb4_bin;

extern DRIZZLED_API charset_info_st my_charset_utf8mb4_general_ci;

extern DRIZZLED_API charset_info_st my_charset_utf8mb4_unicode_ci;

size_t my_strnxfrmlen_simple(const charset_info_st*, size_t);

int my_strnncollsp_simple(const charset_info_st*, const unsigned char*, size_t, const unsigned char*, size_t, bool diff_if_only_endspace_difference);

size_t my_lengthsp_8bit(const charset_info_st*, const char *ptr, size_t length);

uint32_t my_instr_simple(const charset_info_st*, const char *b, size_t b_length, const char *s, size_t s_length, my_match_t *match, uint32_t nmatch);

int my_strcasecmp_mb(const charset_info_st*, const char *s, const char *t);

DRIZZLED_API const charset_info_st *get_charset(uint32_t cs_number);

DRIZZLED_API const charset_info_st *get_charset_by_name(const char *cs_name);

DRIZZLED_API const charset_info_st *get_charset_by_csname(const char *cs_name, uint32_t cs_flags);

/* Functions for 8bit */

int my_mb_ctype_8bit(const charset_info_st*, int*, const unsigned char*, const unsigned char *);

int my_mb_ctype_mb(const charset_info_st*, int*, const unsigned char*, const unsigned char *);

size_t my_scan_8bit(const charset_info_st*, const char *b, const char *e, int sq);

size_t my_snprintf_8bit(const charset_info_st*, char *to, size_t n, const char *fmt, ...) __attribute__((format(printf, 4, 5)));

long my_strntol_8bit(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

unsigned long my_strntoul_8bit(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

int64_t my_strntoll_8bit(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

uint64_t my_strntoull_8bit(const charset_info_st*, const char *s, size_t l, int base, char **e, int *err);

double my_strntod_8bit(const charset_info_st*, char *s, size_t l,char **e, int *err);

size_t my_long10_to_str_8bit(const charset_info_st*, char *to, size_t l, int radix, long int val);

size_t my_int64_t10_to_str_8bit(const charset_info_st*, char *to, size_t l, int radix, int64_t val);

int64_t my_strtoll10_8bit(const charset_info_st*, const char *nptr, char **endptr, int *error);

uint64_t my_strntoull10rnd_8bit(const charset_info_st*, const char *str, size_t length, int unsigned_fl, char **endptr, int *error);

void my_fill_8bit(const charset_info_st*, char* to, size_t l, int fill);

bool  my_like_range_simple(const charset_info_st*,

			      const char *ptr, size_t ptr_length,

			      char escape, char w_one, char w_many,

			      size_t res_length,

			      char *min_str, char *max_str,

			      size_t *min_length, size_t *max_length);

bool  my_like_range_mb(const charset_info_st*,

			  const char *ptr, size_t ptr_length,

			  char escape, char w_one, char 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_st*,

		    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_st*,

		   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_st*, const char *b, const char *e);

size_t my_numcells_8bit(const charset_info_st*, const char *b, const char *e);

size_t my_charpos_8bit(const charset_info_st*, const char *b, const char *e, size_t pos);

size_t my_well_formed_len_8bit(const charset_info_st&, str_ref, size_t pos, int *error);

typedef unsigned char *(*cs_alloc_func)(size_t);

bool my_coll_init_simple(charset_info_st *cs, cs_alloc_func alloc);

bool my_cset_init_8bit(charset_info_st *cs, cs_alloc_func alloc);

uint32_t my_mbcharlen_8bit(const charset_info_st*, uint32_t c);

/* Functions for multibyte charsets */

int my_wildcmp_mb(const charset_info_st*,

		  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_st*, const char *b, const char *e);

size_t my_numcells_mb(const charset_info_st*, const char *b, const char *e);

size_t my_charpos_mb(const charset_info_st*, const char *b, const char *e, size_t pos);

size_t my_well_formed_len_mb(const charset_info_st&, str_ref, size_t pos, int *error);

uint32_t my_instr_mb(const charset_info_st*,

                 const char *b, size_t b_length,

                 const char *s, size_t s_length,

                 my_match_t *match, uint32_t nmatch);

int my_strnncoll_mb_bin(const charset_info_st*  cs,

                        const unsigned char *s, size_t slen,

                        const unsigned char *t, size_t tlen,

                        bool t_is_prefix);

int my_strnncollsp_mb_bin(const charset_info_st*,

                          const unsigned char *a, size_t a_length,

                          const unsigned char *b, size_t b_length,

                          bool diff_if_only_endspace_difference);

int my_wildcmp_mb_bin(const 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 my_strcasecmp_mb_bin(const charset_info_st*, const char *s, const char *t);

void my_hash_sort_mb_bin(const charset_info_st*,

                         const unsigned char *key, size_t len, uint32_t *nr1, uint32_t *nr2);

size_t my_strnxfrm_mb(const charset_info_st*,

                      unsigned char *dst, size_t dstlen, uint32_t nweights,

                      const unsigned char *src, size_t srclen, uint32_t flags);

int my_wildcmp_unicode(const charset_info_st*,

                       const char *str, const char *str_end,

                       const char *wildstr, const char *wildend,

                       int escape, int w_one, int w_many,

                       MY_UNICASE_INFO **weights);

bool my_propagate_simple();

bool my_propagate_complex();

uint32_t my_strxfrm_flag_normalize(uint32_t flags, uint32_t nlevels);

void my_strxfrm_desc_and_reverse(unsigned char *str, unsigned char *strend,

                                 uint32_t flags, uint32_t level);

size_t my_strxfrm_pad_desc_and_reverse(const charset_info_st*,

                                       unsigned char *str, unsigned char *frmend, unsigned char *strend,

                                       uint32_t nweights, uint32_t flags, uint32_t level);

bool my_charset_is_ascii_compatible(const charset_info_st*);

/*

  Compare 0-terminated UTF8 strings.

  SYNOPSIS

    my_strcasecmp_utf8mb3()

    cs                  character set handler

    s                   First 0-terminated string to compare

    t                   Second 0-terminated string to compare

  IMPLEMENTATION

  RETURN

    - negative number if s < t

    - positive number if s > t

    - 0 is the strings are equal

*/

int my_wc_mb_filename(const charset_info_st*, my_wc_t wc, unsigned char *s, unsigned char *e);

int my_mb_wc_filename(const charset_info_st*, my_wc_t *pwc, const unsigned char *s, const unsigned char *e);

int my_strnncoll_8bit_bin(const charset_info_st*,

                          const unsigned char *s, size_t slen,

                          const unsigned char *t, size_t tlen,

                          bool t_is_prefix);

int my_strnncollsp_8bit_bin(const charset_info_st*,

                            const unsigned char *a, size_t a_length,

                            const unsigned char *b, size_t b_length,

                            bool diff_if_only_endspace_difference);

size_t my_case_str_bin(const charset_info_st*, char *);

size_t my_case_bin(const charset_info_st*, char*,

                   size_t srclen, char*, size_t);

int my_strcasecmp_bin(const charset_info_st*,

                      const char *s, const char *t);

size_t my_strnxfrm_8bit_bin(const charset_info_st*,

                     unsigned char * dst, size_t dstlen, uint32_t nweights,

                     const unsigned char *src, size_t srclen, uint32_t flags);

uint32_t my_instr_bin(const charset_info_st*,

                      const char *b, size_t b_length,

                      const char *s, size_t s_length,

                      my_match_t *match, uint32_t nmatch);

size_t my_lengthsp_binary(const charset_info_st*,

                          const char*, size_t length);

int my_mb_wc_bin(const charset_info_st*,

                 my_wc_t *wc, const unsigned char *str,

                 const unsigned char *end);

int my_wc_mb_bin(const charset_info_st*, my_wc_t wc,

                 unsigned char *str, unsigned char *end);

void my_hash_sort_8bit_bin(const charset_info_st*,

                           const unsigned char *key, size_t len,

                           uint32_t *nr1, uint32_t *nr2);

bool my_coll_init_8bit_bin(charset_info_st *cs,

                           cs_alloc_func);

int my_strnncoll_binary(const charset_info_st*,

                        const unsigned char *s, size_t slen,

                        const unsigned char *t, size_t tlen,

                        bool t_is_prefix);

int my_strnncollsp_binary(const charset_info_st*,

                          const unsigned char *s, size_t slen,

                          const unsigned char *t, size_t tlen,

                          bool);

inline static int my_strnncoll(const charset_info_st *cs, 

                               const unsigned char *s, 

                               const size_t slen, 

                               const unsigned char *t,

                               const size_t tlen) 

{

  return (cs->coll->strnncoll(cs, s, slen, t, tlen, 0));

}

inline static bool my_like_range(const charset_info_st *cs,

                                 const char *ptr, const size_t ptrlen,

                                 const char escape, 

                                 const char w_one,

                                 const char w_many, 

                                 const size_t reslen, 

                                 char *minstr, char *maxstr, 

                                 size_t *minlen, size_t *maxlen)

{

  return (cs->coll->like_range(cs, ptr, ptrlen, escape, w_one, w_many, reslen, 

                               minstr, maxstr, minlen, maxlen));

}

inline static int my_wildcmp(const charset_info_st *cs,

                             const char *str, const char *strend,

                             const char *w_str, const char *w_strend,

                             const int escape,

                             const int w_one, const int w_many) 

{

  return (cs->coll->wildcmp(cs, str, strend, w_str, w_strend, escape, w_one, w_many));

}

template <typename CHAR_T>