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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
                 2012 by MontyProgram AB

This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library 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
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02111-1301, USA */

/* defines for the libmariadb library */

#ifndef _mysql_h
#define _mysql_h

#ifdef	__cplusplus
extern "C" {
#endif

#ifndef LIBMARIADB
#define LIBMARIADB
#endif
#ifndef MYSQL_CLIENT
#define MYSQL_CLIENT
#endif

#include <stdarg.h>
#include <time.h>

#if !defined (_global_h) && !defined (MY_GLOBAL_INCLUDED) /* If not standard header */
#include <sys/types.h>
typedef char my_bool;
typedef unsigned long long my_ulonglong;

#if !defined(_WIN32)
#define STDCALL
#else
#define STDCALL __stdcall
#endif

#ifndef my_socket_defined
#define my_socket_defined
#if defined(_WIN64)
#define my_socket unsigned long long
#elif defined(_WIN32)
#define my_socket unsigned int
#else
typedef int my_socket;
#endif
#endif
#endif
#include "mariadb_com.h"
#include "mariadb_version.h"
#include "ma_list.h"
#include "mariadb_ctype.h"

typedef struct st_ma_const_string
{
  const char *str;
  size_t length;
} MARIADB_CONST_STRING;

typedef struct st_ma_const_data
{
  const unsigned char *data;
  size_t length;
} MARIADB_CONST_DATA;

#ifndef ST_MA_USED_MEM_DEFINED
#define ST_MA_USED_MEM_DEFINED
  typedef struct st_ma_used_mem {   /* struct for once_alloc */
    struct st_ma_used_mem *next;    /* Next block in use */
    size_t left;                 /* memory left in block  */
    size_t size;                 /* Size of block */
  } MA_USED_MEM;

typedef struct st_ma_mem_root {
    MA_USED_MEM *free;
    MA_USED_MEM *used;
    MA_USED_MEM *pre_alloc;
    size_t min_malloc;
    size_t block_size;
    unsigned int block_num;
    unsigned int first_block_usage;
    void (*error_handler)(void);
  } MA_MEM_ROOT;
#endif

extern unsigned int mysql_port;
extern char *mysql_unix_port;
extern unsigned int mariadb_deinitialize_ssl;

#define IS_PRI_KEY(n)	((n) & PRI_KEY_FLAG)
#define IS_NOT_NULL(n)	((n) & NOT_NULL_FLAG)
#define IS_BLOB(n)	((n) & BLOB_FLAG)
#define IS_NUM(t)	(((t) <= MYSQL_TYPE_INT24 && (t) != MYSQL_TYPE_TIMESTAMP) || (t) == MYSQL_TYPE_YEAR || (t) == MYSQL_TYPE_NEWDECIMAL)
#define IS_NUM_FIELD(f)	 ((f)->flags & NUM_FLAG)
#define INTERNAL_NUM_FIELD(f) (((f)->type <= MYSQL_TYPE_INT24 && ((f)->type != MYSQL_TYPE_TIMESTAMP || (f)->length == 14 || (f)->length == 8)) || (f)->type == MYSQL_TYPE_YEAR || (f)->type == MYSQL_TYPE_NEWDECIMAL || (f)->type == MYSQL_TYPE_DECIMAL)

typedef struct st_mysql_field {
    char *name;			/* Name of column */
    char *org_name;		/* Name of original column (added after 3.23.58) */
    char *table;			/* Table of column if column was a field */
    char *org_table;		/* Name of original table (added after 3.23.58 */
    char *db;                     /* table schema (added after 3.23.58) */
    char *catalog;                /* table catalog (added after 3.23.58) */
    char *def;			/* Default value (set by mysql_list_fields) */
    unsigned long length;		/* Width of column */
    unsigned long max_length;	/* Max width of selected set */
  /* added after 3.23.58 */
    unsigned int name_length;
    unsigned int org_name_length;
    unsigned int table_length;
    unsigned int org_table_length;
    unsigned int db_length;
    unsigned int catalog_length;
    unsigned int def_length;
  /***********************/
    unsigned int flags;		/* Div flags */
    unsigned int decimals;	/* Number of decimals in field */
    unsigned int charsetnr;       /* char set number (added in 4.1) */
    enum enum_field_types type;	/* Type of field. Se mysql_com.h for types */
    void *extension;              /* added in 4.1 */
  } MYSQL_FIELD;

typedef char **MYSQL_ROW;		/* return data as array of strings */
  typedef unsigned int MYSQL_FIELD_OFFSET; /* offset to current field */

#define SET_CLIENT_ERROR(a, b, c, d) \
  do { \
    (a)->net.last_errno= (b);\
    strncpy((a)->net.sqlstate, (c), SQLSTATE_LENGTH);\
    (a)->net.sqlstate[SQLSTATE_LENGTH]= 0;\
    strncpy((a)->net.last_error, (d) ? (d) : ER((b)), MYSQL_ERRMSG_SIZE - 1);\
    (a)->net.last_error[MYSQL_ERRMSG_SIZE - 1]= 0;\
  } while(0)

/* For mysql_async.c */
#define set_mariadb_error(A,B,C) SET_CLIENT_ERROR((A),(B),(C),0)
extern const char *SQLSTATE_UNKNOWN;
#define unknown_sqlstate SQLSTATE_UNKNOWN

#define CLEAR_CLIENT_ERROR(a) \
  do { \
    (a)->net.last_errno= 0;\
    strcpy((a)->net.sqlstate, "00000");\
    (a)->net.last_error[0]= '\0';\
    if ((a)->net.extension)\
      (a)->net.extension->extended_errno= 0;\
  } while (0)

#define MYSQL_COUNT_ERROR (~(unsigned long long) 0)

typedef struct st_mysql_rows {
    struct st_mysql_rows *next;		/* list of rows */
    MYSQL_ROW data;
    unsigned long length;
  } MYSQL_ROWS;

typedef MYSQL_ROWS *MYSQL_ROW_OFFSET;	/* offset to current row */

typedef struct st_mysql_data {
    MYSQL_ROWS *data;
    void *embedded_info;
    MA_MEM_ROOT alloc;
    unsigned long long rows;
    unsigned int fields;
    void *extension;
  } MYSQL_DATA;

enum mysql_option 
  {
    MYSQL_OPT_CONNECT_TIMEOUT, 
    MYSQL_OPT_COMPRESS,
    MYSQL_OPT_NAMED_PIPE,
    MYSQL_INIT_COMMAND,
    MYSQL_READ_DEFAULT_FILE,
    MYSQL_READ_DEFAULT_GROUP,
    MYSQL_SET_CHARSET_DIR,
    MYSQL_SET_CHARSET_NAME,
    MYSQL_OPT_LOCAL_INFILE,
    MYSQL_OPT_PROTOCOL,
    MYSQL_SHARED_MEMORY_BASE_NAME,
    MYSQL_OPT_READ_TIMEOUT,
    MYSQL_OPT_WRITE_TIMEOUT,
    MYSQL_OPT_USE_RESULT,
    MYSQL_OPT_USE_REMOTE_CONNECTION,
    MYSQL_OPT_USE_EMBEDDED_CONNECTION,
    MYSQL_OPT_GUESS_CONNECTION,
    MYSQL_SET_CLIENT_IP,
    MYSQL_SECURE_AUTH,
    MYSQL_REPORT_DATA_TRUNCATION,
    MYSQL_OPT_RECONNECT,
    MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
    MYSQL_PLUGIN_DIR,
    MYSQL_DEFAULT_AUTH,
    MYSQL_OPT_BIND,
    MYSQL_OPT_SSL_KEY,
    MYSQL_OPT_SSL_CERT,
    MYSQL_OPT_SSL_CA,
    MYSQL_OPT_SSL_CAPATH,
    MYSQL_OPT_SSL_CIPHER,
    MYSQL_OPT_SSL_CRL,
    MYSQL_OPT_SSL_CRLPATH,
    /* Connection attribute options */
    MYSQL_OPT_CONNECT_ATTR_RESET,
    MYSQL_OPT_CONNECT_ATTR_ADD,
    MYSQL_OPT_CONNECT_ATTR_DELETE,
    MYSQL_SERVER_PUBLIC_KEY,
    MYSQL_ENABLE_CLEARTEXT_PLUGIN,
    MYSQL_OPT_CAN_HANDLE_EXPIRED_PASSWORDS,
    MYSQL_OPT_SSL_ENFORCE,
    MYSQL_OPT_MAX_ALLOWED_PACKET,
    MYSQL_OPT_NET_BUFFER_LENGTH,
    MYSQL_OPT_TLS_VERSION,
    MYSQL_OPT_ZSTD_COMPRESSION_LEVEL,

/* MariaDB-specific */
    MYSQL_PROGRESS_CALLBACK=5999,
    MYSQL_OPT_NONBLOCK,
    /* MariaDB Connector/C specific */
    MYSQL_DATABASE_DRIVER=7000,
    MARIADB_OPT_SSL_FP,             /* deprecated, use MARIADB_OPT_TLS_PEER_FP instead */
    MARIADB_OPT_SSL_FP_LIST,        /* deprecated, use MARIADB_OPT_TLS_PEER_FP_LIST instead */
    MARIADB_OPT_TLS_PASSPHRASE,     /* passphrase for encrypted certificates */
    MARIADB_OPT_TLS_CIPHER_STRENGTH,
    MARIADB_OPT_TLS_VERSION,
    MARIADB_OPT_TLS_PEER_FP,            /* single finger print for server certificate verification */
    MARIADB_OPT_TLS_PEER_FP_LIST,       /* finger print white list for server certificate verification */
    MARIADB_OPT_CONNECTION_READ_ONLY,
    MYSQL_OPT_CONNECT_ATTRS,        /* for mysql_get_optionv */
    MARIADB_OPT_USERDATA,
    MARIADB_OPT_CONNECTION_HANDLER,
    MARIADB_OPT_PORT,
    MARIADB_OPT_UNIXSOCKET,
    MARIADB_OPT_PASSWORD,
    MARIADB_OPT_HOST,
    MARIADB_OPT_USER,
    MARIADB_OPT_SCHEMA,
    MARIADB_OPT_DEBUG,
    MARIADB_OPT_FOUND_ROWS,
    MARIADB_OPT_MULTI_RESULTS,
    MARIADB_OPT_MULTI_STATEMENTS,
    MARIADB_OPT_INTERACTIVE,
    MARIADB_OPT_PROXY_HEADER,
    MARIADB_OPT_IO_WAIT,
    MARIADB_OPT_SKIP_READ_RESPONSE,
    MARIADB_OPT_RESTRICTED_AUTH,
    MARIADB_OPT_RPL_REGISTER_REPLICA,
    MARIADB_OPT_STATUS_CALLBACK,
    MARIADB_OPT_SERVER_PLUGINS,
    MARIADB_OPT_BULK_UNIT_RESULTS,
    MARIADB_OPT_TLS_VERIFICATION_CALLBACK
  };

enum mariadb_value {
    MARIADB_CHARSET_ID,
    MARIADB_CHARSET_NAME,
    MARIADB_CLIENT_ERRORS,
    MARIADB_CLIENT_VERSION,
    MARIADB_CLIENT_VERSION_ID,
    MARIADB_CONNECTION_ASYNC_TIMEOUT,
    MARIADB_CONNECTION_ASYNC_TIMEOUT_MS,
    MARIADB_CONNECTION_MARIADB_CHARSET_INFO,
    MARIADB_CONNECTION_ERROR,
    MARIADB_CONNECTION_ERROR_ID,
    MARIADB_CONNECTION_HOST,
    MARIADB_CONNECTION_INFO,
    MARIADB_CONNECTION_PORT,
    MARIADB_CONNECTION_PROTOCOL_VERSION_ID,
    MARIADB_CONNECTION_PVIO_TYPE,
    MARIADB_CONNECTION_SCHEMA,
    MARIADB_CONNECTION_SERVER_TYPE,
    MARIADB_CONNECTION_SERVER_VERSION,
    MARIADB_CONNECTION_SERVER_VERSION_ID,
    MARIADB_CONNECTION_SOCKET,
    MARIADB_CONNECTION_SQLSTATE,
    MARIADB_CONNECTION_SSL_CIPHER,
    MARIADB_TLS_LIBRARY,
    MARIADB_CONNECTION_TLS_VERSION,
    MARIADB_CONNECTION_TLS_VERSION_ID,
    MARIADB_CONNECTION_TYPE,
    MARIADB_CONNECTION_UNIX_SOCKET,
    MARIADB_CONNECTION_USER,
    MARIADB_MAX_ALLOWED_PACKET,
    MARIADB_NET_BUFFER_LENGTH,
    MARIADB_CONNECTION_SERVER_STATUS,
    MARIADB_CONNECTION_SERVER_CAPABILITIES,
    MARIADB_CONNECTION_EXTENDED_SERVER_CAPABILITIES,
    MARIADB_CONNECTION_CLIENT_CAPABILITIES,
    MARIADB_CONNECTION_BYTES_READ,
    MARIADB_CONNECTION_BYTES_SENT,
    MARIADB_TLS_PEER_CERT_INFO,
    MARIADB_TLS_VERIFY_STATUS
  };

enum mysql_status { MYSQL_STATUS_READY,
                      MYSQL_STATUS_GET_RESULT,
                      MYSQL_STATUS_USE_RESULT,
                      MYSQL_STATUS_QUERY_SENT,
                      MYSQL_STATUS_SENDING_LOAD_DATA,
                      MYSQL_STATUS_FETCHING_DATA,
                      MYSQL_STATUS_NEXT_RESULT_PENDING,
                      MYSQL_STATUS_QUIT_SENT, /* object is "destroyed" at this stage */
                      MYSQL_STATUS_STMT_RESULT
  };

enum mysql_protocol_type
  {
    MYSQL_PROTOCOL_DEFAULT, MYSQL_PROTOCOL_TCP, MYSQL_PROTOCOL_SOCKET,
    MYSQL_PROTOCOL_PIPE, MYSQL_PROTOCOL_MEMORY
  };

struct st_mysql_options {
    unsigned int connect_timeout, read_timeout, write_timeout;
    unsigned int port, protocol;
    unsigned long client_flag;
    char *host,*user,*password,*unix_socket,*db;
    struct st_dynamic_array *init_command;
    char *my_cnf_file,*my_cnf_group, *charset_dir, *charset_name;
    char *ssl_key;				/* PEM key file */
    char *ssl_cert;				/* PEM cert file */
    char *ssl_ca;					/* PEM CA file */
    char *ssl_capath;				/* PEM directory of CA-s? */
    char *ssl_cipher;
    char *shared_memory_base_name;
    unsigned long max_allowed_packet;
    my_bool use_ssl;				/* if to use SSL or not */
    my_bool compress,named_pipe;
    my_bool reconnect, unused_1, unused_2, unused_3;
    enum mysql_option methods_to_use;
    char *bind_address;
    my_bool secure_auth;
    my_bool report_data_truncation;
    /* function pointers for local infile support */
    int (*local_infile_init)(void **, const char *, void *);
    int (*local_infile_read)(void *, char *, unsigned int);
    void (*local_infile_end)(void *);
    int (*local_infile_error)(void *, char *, unsigned int);
    void *local_infile_userdata;
    struct st_mysql_options_extension *extension;
};

typedef struct st_mysql {
    NET		net;			/* Communication parameters */
    void  *unused_0;
    char *host,*user,*passwd,*unix_socket,*server_version,*host_info;
    char *info,*db;
    const struct ma_charset_info_st *charset;      /* character set */
    MYSQL_FIELD *fields;
    MA_MEM_ROOT field_alloc;
    unsigned long long affected_rows;
    unsigned long long insert_id;		/* id if insert on table with NEXTNR */
    unsigned long long extra_info;		/* Used by mysqlshow */
    unsigned long thread_id;		/* Id for connection in server */
    unsigned long packet_length;
    unsigned int port;
    unsigned long client_flag;
    unsigned long server_capabilities;
    unsigned int protocol_version;
    unsigned int field_count;
    unsigned int server_status;
    unsigned int server_language;
    unsigned int warning_count;          /* warning count, added in 4.1 protocol */
    struct st_mysql_options options;
    enum mysql_status status;
    my_bool	free_me;		/* If free in mysql_close */
    my_bool	unused_1;
    char	        scramble_buff[20+ 1];
    /* madded after 3.23.58 */
    my_bool       unused_2;
    void          *unused_3, *unused_4, *unused_5, *unused_6;
    LIST          *stmts;
    const struct  st_mariadb_methods *methods;
    void          *thd;
    my_bool       *unbuffered_fetch_owner;
    char          *info_buffer;
    struct st_mariadb_extension *extension;
} MYSQL;

typedef struct st_mysql_res {
  unsigned long long  row_count;
  unsigned int	field_count, current_field;
  MYSQL_FIELD	*fields;
  MYSQL_DATA	*data;
  MYSQL_ROWS	*data_cursor;
  MA_MEM_ROOT	field_alloc;
  MYSQL_ROW	row;			/* If unbuffered read */
  MYSQL_ROW	current_row;		/* buffer to current row */
  unsigned long *lengths;		/* column lengths of current row */
  MYSQL		*handle;		/* for unbuffered reads */
  my_bool	eof;			/* Used my mysql_fetch_row */
  my_bool       is_ps;
} MYSQL_RES;

typedef struct
{
  unsigned long *p_max_allowed_packet;
  unsigned long *p_net_buffer_length;
  void *extension;
} MYSQL_PARAMETERS;

enum mariadb_field_attr_t
{
  MARIADB_FIELD_ATTR_DATA_TYPE_NAME= 0,
  MARIADB_FIELD_ATTR_FORMAT_NAME= 1
};

#define MARIADB_FIELD_ATTR_LAST MARIADB_FIELD_ATTR_FORMAT_NAME

int STDCALL mariadb_field_attr(MARIADB_CONST_STRING *attr,
                               const MYSQL_FIELD *field,
                               enum mariadb_field_attr_t type);

#ifndef _mysql_time_h_
enum enum_mysql_timestamp_type
{
  MYSQL_TIMESTAMP_NONE= -2, MYSQL_TIMESTAMP_ERROR= -1,
  MYSQL_TIMESTAMP_DATE= 0, MYSQL_TIMESTAMP_DATETIME= 1, MYSQL_TIMESTAMP_TIME= 2
};

typedef struct st_mysql_time
{
  unsigned int  year, month, day, hour, minute, second;
  unsigned long second_part;
  my_bool       neg;
  enum enum_mysql_timestamp_type time_type;
} MYSQL_TIME;
#define AUTO_SEC_PART_DIGITS 39
#endif

#define SEC_PART_DIGITS 6
#define MARIADB_INVALID_SOCKET -1

/* Asynchronous API constants */
#define MYSQL_WAIT_READ      1
#define MYSQL_WAIT_WRITE     2
#define MYSQL_WAIT_EXCEPT    4
#define MYSQL_WAIT_TIMEOUT   8

#define MARIADB_TLS_VERIFY_OK                  0
#define MARIADB_TLS_VERIFY_TRUST               1
#define MARIADB_TLS_VERIFY_HOST                2
#define MARIADB_TLS_VERIFY_FINGERPRINT         4
#define MARIADB_TLS_VERIFY_PERIOD              8
#define MARIADB_TLS_VERIFY_REVOKED            16
#define MARIADB_TLS_VERIFY_UNKNOWN            32
#define MARIADB_TLS_VERIFY_ERROR             128  /* last */

typedef struct character_set
{
  unsigned int      number;     /* character set number              */
  unsigned int      state;      /* character set state               */
  const char        *csname;    /* character set name                */
  const char        *name;      /* collation name                    */
  const char        *comment;   /* comment                           */
  const char        *dir;       /* character set directory           */
  unsigned int      mbminlen;   /* min. length for multibyte strings */
  unsigned int      mbmaxlen;   /* max. length for multibyte strings */
} MY_CHARSET_INFO;

/* Local infile support functions */
#define LOCAL_INFILE_ERROR_LEN 512

#include "mariadb_stmt.h"

#ifndef MYSQL_CLIENT_PLUGIN_HEADER
#define MYSQL_CLIENT_PLUGIN_HEADER                      \
  int type;                                             \
  unsigned int interface_version;                       \
  const char *name;                                     \
  const char *author;                                   \
  const char *desc;                                     \
  unsigned int version[3];                              \
  const char *license;                                  \
  void *mysql_api;                                      \
  int (*init)(char *, size_t, int, va_list);            \
  int (*deinit)(void);                                  \
  int (*options)(const char *option, const void *);
struct st_mysql_client_plugin
{
  MYSQL_CLIENT_PLUGIN_HEADER
};

enum mariadb_tls_verification {
  MARIADB_VERIFY_NONE = 0,
  MARIADB_VERIFY_PIPE,
  MARIADB_VERIFY_UNIXSOCKET,
  MARIADB_VERIFY_LOCALHOST,
  MARIADB_VERIFY_FINGERPRINT,
  MARIADB_VERIFY_PEER_CERT
};

typedef struct
{
  int version;
  char *issuer;
  char *subject;
  char fingerprint[129];
  struct tm not_before;
  struct tm not_after;
} MARIADB_X509_INFO;

struct st_mysql_client_plugin *
mysql_load_plugin(struct st_mysql *mysql, const char *name, int type,
                  int argc, ...);
struct st_mysql_client_plugin * STDCALL
mysql_load_plugin_v(struct st_mysql *mysql, const char *name, int type,
                    int argc, va_list args);
struct st_mysql_client_plugin * STDCALL
mysql_client_find_plugin(struct st_mysql *mysql, const char *name, int type);
struct st_mysql_client_plugin * STDCALL
mysql_client_register_plugin(struct st_mysql *mysql,
                             struct st_mysql_client_plugin *plugin);
#endif

void STDCALL mysql_set_local_infile_handler(MYSQL *mysql,
        int (*local_infile_init)(void **, const char *, void *),
        int (*local_infile_read)(void *, char *, unsigned int),
        void (*local_infile_end)(void *),
        int (*local_infile_error)(void *, char*, unsigned int),
        void *);

void mysql_set_local_infile_default(MYSQL *mysql);

void my_set_error(MYSQL *mysql, unsigned int error_nr, 
                  const char *sqlstate, const char *format, ...);
/* Functions to get information from the MYSQL and MYSQL_RES structures */
/* Should definitely be used if one uses shared libraries */

my_ulonglong STDCALL mysql_num_rows(MYSQL_RES *res);
unsigned int STDCALL mysql_num_fields(MYSQL_RES *res);
my_bool STDCALL mysql_eof(MYSQL_RES *res);
MYSQL_FIELD *STDCALL mysql_fetch_field_direct(MYSQL_RES *res,
					      unsigned int fieldnr);
MYSQL_FIELD * STDCALL mysql_fetch_fields(MYSQL_RES *res);
MYSQL_ROWS * STDCALL mysql_row_tell(MYSQL_RES *res);
unsigned int STDCALL mysql_field_tell(MYSQL_RES *res);

unsigned int STDCALL mysql_field_count(MYSQL *mysql);
my_bool STDCALL mysql_more_results(MYSQL *mysql);
int STDCALL mysql_next_result(MYSQL *mysql);
my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql);
my_bool STDCALL mysql_autocommit(MYSQL *mysql, my_bool mode);
my_bool STDCALL mysql_commit(MYSQL *mysql);
my_bool STDCALL mysql_rollback(MYSQL *mysql);
my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql);
unsigned int STDCALL mysql_errno(MYSQL *mysql);
const char * STDCALL mysql_error(MYSQL *mysql);
const char * STDCALL mysql_info(MYSQL *mysql);
unsigned long STDCALL mysql_thread_id(MYSQL *mysql);
const char * STDCALL mysql_character_set_name(MYSQL *mysql);
void STDCALL mysql_get_character_set_info(MYSQL *mysql, MY_CHARSET_INFO *cs);
int STDCALL mysql_set_character_set(MYSQL *mysql, const char *csname);

my_bool mariadb_get_infov(MYSQL *mysql, enum mariadb_value value, void *arg, ...);
my_bool STDCALL mariadb_get_info(MYSQL *mysql, enum mariadb_value value, void *arg);
MYSQL *		STDCALL mysql_init(MYSQL *mysql);
int		STDCALL mysql_ssl_set(MYSQL *mysql, const char *key,
				      const char *cert, const char *ca,
				      const char *capath, const char *cipher);
const char *	STDCALL mysql_get_ssl_cipher(MYSQL *mysql);
my_bool		STDCALL mysql_change_user(MYSQL *mysql, const char *user, 
					  const char *passwd, const char *db);
MYSQL *		STDCALL mysql_real_connect(MYSQL *mysql, const char *host,
					   const char *user,
					   const char *passwd,
					   const char *db,
					   unsigned int port,
					   const char *unix_socket,
					   unsigned long clientflag);
void		STDCALL mysql_close(MYSQL *sock);
int		STDCALL mysql_select_db(MYSQL *mysql, const char *db);
int		STDCALL mysql_query(MYSQL *mysql, const char *q);
int		STDCALL mysql_send_query(MYSQL *mysql, const char *q,
					 unsigned long length);
my_bool	STDCALL mysql_read_query_result(MYSQL *mysql);
int		STDCALL mysql_real_query(MYSQL *mysql, const char *q,
					 unsigned long length);
int		STDCALL mysql_shutdown(MYSQL *mysql, enum mysql_enum_shutdown_level shutdown_level);
int		STDCALL mysql_dump_debug_info(MYSQL *mysql);
int		STDCALL mysql_refresh(MYSQL *mysql,
				     unsigned int refresh_options);
int		STDCALL mysql_kill(MYSQL *mysql,unsigned long pid);
int		STDCALL mysql_ping(MYSQL *mysql);
char *		STDCALL mysql_stat(MYSQL *mysql);
char *		STDCALL mysql_get_server_info(MYSQL *mysql);
unsigned long   STDCALL mysql_get_server_version(MYSQL *mysql);
char *		STDCALL mysql_get_host_info(MYSQL *mysql);
unsigned int	STDCALL mysql_get_proto_info(MYSQL *mysql);
MYSQL_RES *	STDCALL mysql_list_dbs(MYSQL *mysql,const char *wild);
MYSQL_RES *	STDCALL mysql_list_tables(MYSQL *mysql,const char *wild);
MYSQL_RES *	STDCALL mysql_list_fields(MYSQL *mysql, const char *table,
					 const char *wild);
MYSQL_RES *	STDCALL mysql_list_processes(MYSQL *mysql);
MYSQL_RES *	STDCALL mysql_store_result(MYSQL *mysql);
MYSQL_RES *	STDCALL mysql_use_result(MYSQL *mysql);
int		STDCALL mysql_options(MYSQL *mysql,enum mysql_option option,
				      const void *arg);
int		STDCALL mysql_options4(MYSQL *mysql,enum mysql_option option,
				      const void *arg1, const void *arg2);
void		STDCALL mysql_free_result(MYSQL_RES *result);
void		STDCALL mysql_data_seek(MYSQL_RES *result,
					unsigned long long offset);
MYSQL_ROW_OFFSET STDCALL mysql_row_seek(MYSQL_RES *result, MYSQL_ROW_OFFSET);
MYSQL_FIELD_OFFSET STDCALL mysql_field_seek(MYSQL_RES *result,
					   MYSQL_FIELD_OFFSET offset);
MYSQL_ROW	STDCALL mysql_fetch_row(MYSQL_RES *result);
unsigned long * STDCALL mysql_fetch_lengths(MYSQL_RES *result);
MYSQL_FIELD *	STDCALL mysql_fetch_field(MYSQL_RES *result);
unsigned long	STDCALL mysql_escape_string(char *to,const char *from,
					    unsigned long from_length);
unsigned long STDCALL mysql_real_escape_string(MYSQL *mysql,
					       char *to,const char *from,
					       unsigned long length);
unsigned int	STDCALL mysql_thread_safe(void);
unsigned int STDCALL mysql_warning_count(MYSQL *mysql);
const char * STDCALL mysql_sqlstate(MYSQL *mysql);
int STDCALL mysql_server_init(int argc, char **argv, char **groups);
void STDCALL mysql_server_end(void);
void STDCALL mysql_thread_end(void);
my_bool STDCALL mysql_thread_init(void);
int STDCALL mysql_set_server_option(MYSQL *mysql, 
                                    enum enum_mysql_set_option option);
const char * STDCALL mysql_get_client_info(void);
unsigned long STDCALL mysql_get_client_version(void);
my_bool STDCALL mariadb_connection(MYSQL *mysql);
const char * STDCALL mysql_get_server_name(MYSQL *mysql);
MARIADB_CHARSET_INFO * STDCALL mariadb_get_charset_by_name(const char *csname);
MARIADB_CHARSET_INFO * STDCALL mariadb_get_charset_by_nr(unsigned int csnr);
size_t STDCALL mariadb_convert_string(const char *from, size_t *from_len, MARIADB_CHARSET_INFO *from_cs,
                                      char *to, size_t *to_len, MARIADB_CHARSET_INFO *to_cs, int *errorcode);
int mysql_optionsv(MYSQL *mysql,enum mysql_option option, ...);
int mysql_get_optionv(MYSQL *mysql, enum mysql_option option, void *arg, ...);
int STDCALL mysql_get_option(MYSQL *mysql, enum mysql_option option, void *arg);
unsigned long STDCALL mysql_hex_string(char *to, const char *from, unsigned long len);
my_socket STDCALL mysql_get_socket(MYSQL *mysql);
unsigned int STDCALL mysql_get_timeout_value(const MYSQL *mysql);
unsigned int STDCALL mysql_get_timeout_value_ms(const MYSQL *mysql);
my_bool STDCALL mariadb_reconnect(MYSQL *mysql);
int STDCALL mariadb_cancel(MYSQL *mysql);
void STDCALL mysql_debug(const char *debug);
unsigned long STDCALL mysql_net_read_packet(MYSQL *mysql);
unsigned long STDCALL mysql_net_field_length(unsigned char **packet);
my_bool STDCALL mysql_embedded(void);
MYSQL_PARAMETERS *STDCALL mysql_get_parameters(void);

/* Async API */
int STDCALL mysql_close_start(MYSQL *sock);
int STDCALL mysql_close_cont(MYSQL *sock, int status);
int STDCALL mysql_commit_start(my_bool *ret, MYSQL * mysql);
int STDCALL mysql_commit_cont(my_bool *ret, MYSQL * mysql, int status);
int STDCALL mysql_dump_debug_info_cont(int *ret, MYSQL *mysql, int ready_status);
int STDCALL mysql_dump_debug_info_start(int *ret, MYSQL *mysql);
int STDCALL mysql_rollback_start(my_bool *ret, MYSQL * mysql);
int STDCALL mysql_rollback_cont(my_bool *ret, MYSQL * mysql, int status);
int STDCALL mysql_autocommit_start(my_bool *ret, MYSQL * mysql,
                                   my_bool auto_mode);
int STDCALL mysql_list_fields_cont(MYSQL_RES **ret, MYSQL *mysql, int ready_status);
int STDCALL mysql_list_fields_start(MYSQL_RES **ret, MYSQL *mysql, const char *table,
                        const char *wild);
int STDCALL mysql_autocommit_cont(my_bool *ret, MYSQL * mysql, int status);
int STDCALL mysql_next_result_start(int *ret, MYSQL *mysql);
int STDCALL mysql_next_result_cont(int *ret, MYSQL *mysql, int status);
int STDCALL mysql_select_db_start(int *ret, MYSQL *mysql, const char *db);
int STDCALL mysql_select_db_cont(int *ret, MYSQL *mysql, int ready_status);
int STDCALL mysql_stmt_warning_count(MYSQL_STMT *stmt);
int STDCALL mysql_stmt_next_result_start(int *ret, MYSQL_STMT *stmt);
int STDCALL mysql_stmt_next_result_cont(int *ret, MYSQL_STMT *stmt, int status);

int STDCALL mysql_set_character_set_start(int *ret, MYSQL *mysql,
                                                   const char *csname);
int STDCALL mysql_set_character_set_cont(int *ret, MYSQL *mysql,
                                                  int status);
int STDCALL mysql_change_user_start(my_bool *ret, MYSQL *mysql,
                                                const char *user,
                                                const char *passwd,
                                                const char *db);
int STDCALL mysql_change_user_cont(my_bool *ret, MYSQL *mysql,
                                               int status);
int         STDCALL mysql_real_connect_start(MYSQL **ret, MYSQL *mysql,
                                                 const char *host,
                                                 const char *user,
                                                 const char *passwd,
                                                 const char *db,
                                                 unsigned int port,
                                                 const char *unix_socket,
                                                 unsigned long clientflag);
int         STDCALL mysql_real_connect_cont(MYSQL **ret, MYSQL *mysql,
                                                int status);
int             STDCALL mysql_query_start(int *ret, MYSQL *mysql,
                                          const char *q);
int             STDCALL mysql_query_cont(int *ret, MYSQL *mysql,
                                         int status);
int             STDCALL mysql_send_query_start(int *ret, MYSQL *mysql,
                                               const char *q,
                                               unsigned long length);
int             STDCALL mysql_send_query_cont(int *ret, MYSQL *mysql, int status);
int             STDCALL mysql_real_query_start(int *ret, MYSQL *mysql,
                                               const char *q,
                                               unsigned long length);
int             STDCALL mysql_real_query_cont(int *ret, MYSQL *mysql,
                                              int status);
int             STDCALL mysql_store_result_start(MYSQL_RES **ret, MYSQL *mysql);
int             STDCALL mysql_store_result_cont(MYSQL_RES **ret, MYSQL *mysql,
                                                int status);
int             STDCALL mysql_shutdown_start(int *ret, MYSQL *mysql,
                                             enum mysql_enum_shutdown_level
                                             shutdown_level);
int             STDCALL mysql_shutdown_cont(int *ret, MYSQL *mysql,
                                            int status);
int             STDCALL mysql_refresh_start(int *ret, MYSQL *mysql,
                                            unsigned int refresh_options);
int             STDCALL mysql_refresh_cont(int *ret, MYSQL *mysql, int status);
int             STDCALL mysql_kill_start(int *ret, MYSQL *mysql,
                                         unsigned long pid);
int             STDCALL mysql_kill_cont(int *ret, MYSQL *mysql, int status);
int             STDCALL mysql_set_server_option_start(int *ret, MYSQL *mysql,
                                                      enum enum_mysql_set_option
                                                      option);
int             STDCALL mysql_set_server_option_cont(int *ret, MYSQL *mysql,
                                                     int status);
int             STDCALL mysql_ping_start(int *ret, MYSQL *mysql);
int             STDCALL mysql_ping_cont(int *ret, MYSQL *mysql, int status);
int             STDCALL mysql_stat_start(const char **ret, MYSQL *mysql);
int             STDCALL mysql_stat_cont(const char **ret, MYSQL *mysql,
                                        int status);
int             STDCALL mysql_free_result_start(MYSQL_RES *result);
int             STDCALL mysql_free_result_cont(MYSQL_RES *result, int status);
int             STDCALL mysql_fetch_row_start(MYSQL_ROW *ret,
                                              MYSQL_RES *result);
int             STDCALL mysql_fetch_row_cont(MYSQL_ROW *ret, MYSQL_RES *result,
                                             int status);
int             STDCALL mysql_read_query_result_start(my_bool *ret,
                                                      MYSQL *mysql);
int             STDCALL mysql_read_query_result_cont(my_bool *ret,
                                                     MYSQL *mysql, int status);
int             STDCALL mysql_reset_connection_start(int *ret, MYSQL *mysql);
int             STDCALL mysql_reset_connection_cont(int *ret, MYSQL *mysql, int status);
int STDCALL mysql_session_track_get_next(MYSQL *mysql, enum enum_session_state_type type, const char **data, size_t *length);
int STDCALL mysql_session_track_get_first(MYSQL *mysql, enum enum_session_state_type type, const char **data, size_t *length);
int STDCALL mysql_stmt_prepare_start(int *ret, MYSQL_STMT *stmt,const char *query, unsigned long length);
int STDCALL mysql_stmt_prepare_cont(int *ret, MYSQL_STMT *stmt, int status);
int STDCALL mysql_stmt_execute_start(int *ret, MYSQL_STMT *stmt);
int STDCALL mysql_stmt_execute_cont(int *ret, MYSQL_STMT *stmt, int status);
int STDCALL mysql_stmt_fetch_start(int *ret, MYSQL_STMT *stmt);
int STDCALL mysql_stmt_fetch_cont(int *ret, MYSQL_STMT *stmt, int status);
int STDCALL mysql_stmt_store_result_start(int *ret, MYSQL_STMT *stmt);
int STDCALL mysql_stmt_store_result_cont(int *ret, MYSQL_STMT *stmt,int status);
int STDCALL mysql_stmt_close_start(my_bool *ret, MYSQL_STMT *stmt);
int STDCALL mysql_stmt_close_cont(my_bool *ret, MYSQL_STMT * stmt, int status);
int STDCALL mysql_stmt_reset_start(my_bool *ret, MYSQL_STMT * stmt);
int STDCALL mysql_stmt_reset_cont(my_bool *ret, MYSQL_STMT *stmt, int status);
int STDCALL mysql_stmt_free_result_start(my_bool *ret, MYSQL_STMT *stmt);
int STDCALL mysql_stmt_free_result_cont(my_bool *ret, MYSQL_STMT *stmt,
                                        int status);
int STDCALL mysql_stmt_send_long_data_start(my_bool *ret, MYSQL_STMT *stmt,
                                            unsigned int param_number,
                                            const char *data,
                                            unsigned long len);
int STDCALL mysql_stmt_send_long_data_cont(my_bool *ret, MYSQL_STMT *stmt,
                                           int status);
int STDCALL mysql_reset_connection(MYSQL *mysql);

/* API function calls (used by dynamic plugins) */
struct st_mariadb_api {
  unsigned long long (STDCALL *mysql_num_rows)(MYSQL_RES *res);
  unsigned int (STDCALL *mysql_num_fields)(MYSQL_RES *res);
  my_bool (STDCALL *mysql_eof)(MYSQL_RES *res);
  MYSQL_FIELD *(STDCALL *mysql_fetch_field_direct)(MYSQL_RES *res, unsigned int fieldnr);
  MYSQL_FIELD * (STDCALL *mysql_fetch_fields)(MYSQL_RES *res);
  MYSQL_ROWS * (STDCALL *mysql_row_tell)(MYSQL_RES *res);
  unsigned int (STDCALL *mysql_field_tell)(MYSQL_RES *res);
  unsigned int (STDCALL *mysql_field_count)(MYSQL *mysql);
  my_bool (STDCALL *mysql_more_results)(MYSQL *mysql);
  int (STDCALL *mysql_next_result)(MYSQL *mysql);
  unsigned long long (STDCALL *mysql_affected_rows)(MYSQL *mysql);
  my_bool (STDCALL *mysql_autocommit)(MYSQL *mysql, my_bool mode);
  my_bool (STDCALL *mysql_commit)(MYSQL *mysql);
  my_bool (STDCALL *mysql_rollback)(MYSQL *mysql);
  unsigned long long (STDCALL *mysql_insert_id)(MYSQL *mysql);
  unsigned int (STDCALL *mysql_errno)(MYSQL *mysql);
  const char * (STDCALL *mysql_error)(MYSQL *mysql);
  const char * (STDCALL *mysql_info)(MYSQL *mysql);
  unsigned long (STDCALL *mysql_thread_id)(MYSQL *mysql);
  const char * (STDCALL *mysql_character_set_name)(MYSQL *mysql);
  void (STDCALL *mysql_get_character_set_info)(MYSQL *mysql, MY_CHARSET_INFO *cs);
  int (STDCALL *mysql_set_character_set)(MYSQL *mysql, const char *csname);
  my_bool (*mariadb_get_infov)(MYSQL *mysql, enum mariadb_value value, void *arg, ...);
  my_bool (STDCALL *mariadb_get_info)(MYSQL *mysql, enum mariadb_value value, void *arg);
  MYSQL * (STDCALL *mysql_init)(MYSQL *mysql);
  int (STDCALL *mysql_ssl_set)(MYSQL *mysql, const char *key, const char *cert, const char *ca, const char *capath, const char *cipher);
  const char * (STDCALL *mysql_get_ssl_cipher)(MYSQL *mysql);
  my_bool (STDCALL *mysql_change_user)(MYSQL *mysql, const char *user, const char *passwd, const char *db);
  MYSQL * (STDCALL *mysql_real_connect)(MYSQL *mysql, const char *host, const char *user, const char *passwd, const char *db, unsigned int port, const char *unix_socket, unsigned long clientflag);
  void (STDCALL *mysql_close)(MYSQL *sock);
  int (STDCALL *mysql_select_db)(MYSQL *mysql, const char *db);
  int (STDCALL *mysql_query)(MYSQL *mysql, const char *q);
  int (STDCALL *mysql_send_query)(MYSQL *mysql, const char *q, unsigned long length);
  my_bool (STDCALL *mysql_read_query_result)(MYSQL *mysql);
  int (STDCALL *mysql_real_query)(MYSQL *mysql, const char *q, unsigned long length);
  int (STDCALL *mysql_shutdown)(MYSQL *mysql, enum mysql_enum_shutdown_level shutdown_level);
  int (STDCALL *mysql_dump_debug_info)(MYSQL *mysql);
  int (STDCALL *mysql_refresh)(MYSQL *mysql, unsigned int refresh_options);
  int (STDCALL *mysql_kill)(MYSQL *mysql,unsigned long pid);
  int (STDCALL *mysql_ping)(MYSQL *mysql);
  char * (STDCALL *mysql_stat)(MYSQL *mysql);
  char * (STDCALL *mysql_get_server_info)(MYSQL *mysql);
  unsigned long (STDCALL *mysql_get_server_version)(MYSQL *mysql);
  char * (STDCALL *mysql_get_host_info)(MYSQL *mysql);
  unsigned int (STDCALL *mysql_get_proto_info)(MYSQL *mysql);
  MYSQL_RES * (STDCALL *mysql_list_dbs)(MYSQL *mysql,const char *wild);
  MYSQL_RES * (STDCALL *mysql_list_tables)(MYSQL *mysql,const char *wild);
  MYSQL_RES * (STDCALL *mysql_list_fields)(MYSQL *mysql, const char *table, const char *wild);
  MYSQL_RES * (STDCALL *mysql_list_processes)(MYSQL *mysql);
  MYSQL_RES * (STDCALL *mysql_store_result)(MYSQL *mysql);
  MYSQL_RES * (STDCALL *mysql_use_result)(MYSQL *mysql);
  int (STDCALL *mysql_options)(MYSQL *mysql,enum mysql_option option, const void *arg);
  void (STDCALL *mysql_free_result)(MYSQL_RES *result);
  void (STDCALL *mysql_data_seek)(MYSQL_RES *result, unsigned long long offset);
  MYSQL_ROW_OFFSET (STDCALL *mysql_row_seek)(MYSQL_RES *result, MYSQL_ROW_OFFSET);
  MYSQL_FIELD_OFFSET (STDCALL *mysql_field_seek)(MYSQL_RES *result, MYSQL_FIELD_OFFSET offset);
  MYSQL_ROW (STDCALL *mysql_fetch_row)(MYSQL_RES *result);
  unsigned long * (STDCALL *mysql_fetch_lengths)(MYSQL_RES *result);
  MYSQL_FIELD * (STDCALL *mysql_fetch_field)(MYSQL_RES *result);
  unsigned long (STDCALL *mysql_escape_string)(char *to,const char *from, unsigned long from_length);
  unsigned long (STDCALL *mysql_real_escape_string)(MYSQL *mysql, char *to,const char *from, unsigned long length);
  unsigned int (STDCALL *mysql_thread_safe)(void);
  unsigned int (STDCALL *mysql_warning_count)(MYSQL *mysql);
  const char * (STDCALL *mysql_sqlstate)(MYSQL *mysql);
  int (STDCALL *mysql_server_init)(int argc, char **argv, char **groups);
  void (STDCALL *mysql_server_end)(void);
  void (STDCALL *mysql_thread_end)(void);
  my_bool (STDCALL *mysql_thread_init)(void);
  int (STDCALL *mysql_set_server_option)(MYSQL *mysql, enum enum_mysql_set_option option);
  const char * (STDCALL *mysql_get_client_info)(void);
  unsigned long (STDCALL *mysql_get_client_version)(void);
  my_bool (STDCALL *mariadb_connection)(MYSQL *mysql);
  const char * (STDCALL *mysql_get_server_name)(MYSQL *mysql);
  MARIADB_CHARSET_INFO * (STDCALL *mariadb_get_charset_by_name)(const char *csname);
  MARIADB_CHARSET_INFO * (STDCALL *mariadb_get_charset_by_nr)(unsigned int csnr);
  size_t (STDCALL *mariadb_convert_string)(const char *from, size_t *from_len, MARIADB_CHARSET_INFO *from_cs, char *to, size_t *to_len, MARIADB_CHARSET_INFO *to_cs, int *errorcode);
  int (*mysql_optionsv)(MYSQL *mysql,enum mysql_option option, ...);
  int (*mysql_get_optionv)(MYSQL *mysql, enum mysql_option option, void *arg, ...);
  int (STDCALL *mysql_get_option)(MYSQL *mysql, enum mysql_option option, void *arg);
  unsigned long (STDCALL *mysql_hex_string)(char *to, const char *from, unsigned long len);
  my_socket (STDCALL *mysql_get_socket)(MYSQL *mysql);
  unsigned int (STDCALL *mysql_get_timeout_value)(const MYSQL *mysql);
  unsigned int (STDCALL *mysql_get_timeout_value_ms)(const MYSQL *mysql);
  my_bool (STDCALL *mariadb_reconnect)(MYSQL *mysql);
  MYSQL_STMT * (STDCALL *mysql_stmt_init)(MYSQL *mysql);
  int (STDCALL *mysql_stmt_prepare)(MYSQL_STMT *stmt, const char *query, unsigned long length);
  int (STDCALL *mysql_stmt_execute)(MYSQL_STMT *stmt);
  int (STDCALL *mysql_stmt_fetch)(MYSQL_STMT *stmt);
  int (STDCALL *mysql_stmt_fetch_column)(MYSQL_STMT *stmt, MYSQL_BIND *bind_arg, unsigned int column, unsigned long offset);
  int (STDCALL *mysql_stmt_store_result)(MYSQL_STMT *stmt);
  unsigned long (STDCALL *mysql_stmt_param_count)(MYSQL_STMT * stmt);
  my_bool (STDCALL *mysql_stmt_attr_set)(MYSQL_STMT *stmt, enum enum_stmt_attr_type attr_type, const void *attr);
  my_bool (STDCALL *mysql_stmt_attr_get)(MYSQL_STMT *stmt, enum enum_stmt_attr_type attr_type, void *attr);
  my_bool (STDCALL *mysql_stmt_bind_param)(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
  my_bool (STDCALL *mysql_stmt_bind_result)(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
  my_bool (STDCALL *mysql_stmt_close)(MYSQL_STMT * stmt);
  my_bool (STDCALL *mysql_stmt_reset)(MYSQL_STMT * stmt);
  my_bool (STDCALL *mysql_stmt_free_result)(MYSQL_STMT *stmt);
  my_bool (STDCALL *mysql_stmt_send_long_data)(MYSQL_STMT *stmt, unsigned int param_number, const char *data, unsigned long length);
  MYSQL_RES *(STDCALL *mysql_stmt_result_metadata)(MYSQL_STMT *stmt);
  MYSQL_RES *(STDCALL *mysql_stmt_param_metadata)(MYSQL_STMT *stmt);
  unsigned int (STDCALL *mysql_stmt_errno)(MYSQL_STMT * stmt);
  const char *(STDCALL *mysql_stmt_error)(MYSQL_STMT * stmt);
  const char *(STDCALL *mysql_stmt_sqlstate)(MYSQL_STMT * stmt);
  MYSQL_ROW_OFFSET (STDCALL *mysql_stmt_row_seek)(MYSQL_STMT *stmt, MYSQL_ROW_OFFSET offset);
  MYSQL_ROW_OFFSET (STDCALL *mysql_stmt_row_tell)(MYSQL_STMT *stmt);
  void (STDCALL *mysql_stmt_data_seek)(MYSQL_STMT *stmt, unsigned long long offset);
  unsigned long long (STDCALL *mysql_stmt_num_rows)(MYSQL_STMT *stmt);
  unsigned long long (STDCALL *mysql_stmt_affected_rows)(MYSQL_STMT *stmt);
  unsigned long long (STDCALL *mysql_stmt_insert_id)(MYSQL_STMT *stmt);
  unsigned int (STDCALL *mysql_stmt_field_count)(MYSQL_STMT *stmt);
  int (STDCALL *mysql_stmt_next_result)(MYSQL_STMT *stmt);
  my_bool (STDCALL *mysql_stmt_more_results)(MYSQL_STMT *stmt);
  int (STDCALL *mariadb_stmt_execute_direct)(MYSQL_STMT *stmt, const char *stmtstr, size_t length);
  int (STDCALL *mysql_reset_connection)(MYSQL *mysql);
};
  
/* these methods can be overwritten by db plugins */
struct st_mariadb_methods {
  MYSQL *(*db_connect)(MYSQL *mysql, const char *host, const char *user, const char *passwd,
					   const char *db, unsigned int port, const char *unix_socket, unsigned long clientflag);
  void (*db_close)(MYSQL *mysql);
  int (*db_command)(MYSQL *mysql,enum enum_server_command command, const char *arg,
                    size_t length, my_bool skip_check, void *opt_arg);
  void (*db_skip_result)(MYSQL *mysql);
  int (*db_read_query_result)(MYSQL *mysql);
  MYSQL_DATA *(*db_read_rows)(MYSQL *mysql,MYSQL_FIELD *fields, unsigned int field_count);
  int (*db_read_one_row)(MYSQL *mysql,unsigned int fields,MYSQL_ROW row, unsigned long *lengths);
  /* prepared statements */
  my_bool (*db_supported_buffer_type)(enum enum_field_types type);
  my_bool (*db_read_prepare_response)(MYSQL_STMT *stmt);
  int (*db_read_stmt_result)(MYSQL *mysql);
  my_bool (*db_stmt_get_result_metadata)(MYSQL_STMT *stmt);
  my_bool (*db_stmt_get_param_metadata)(MYSQL_STMT *stmt);
  int (*db_stmt_read_all_rows)(MYSQL_STMT *stmt);
  int (*db_stmt_fetch)(MYSQL_STMT *stmt, unsigned char **row);
  int (*db_stmt_fetch_to_bind)(MYSQL_STMT *stmt, unsigned char *row);
  void (*db_stmt_flush_unbuffered)(MYSQL_STMT *stmt);
  void (*set_error)(MYSQL *mysql, unsigned int error_nr, const char *sqlstate, const char *format, ...);
  void (*invalidate_stmts)(MYSQL *mysql, const char *function_name);
  struct st_mariadb_api *api;
  int (*db_read_execute_response)(MYSQL_STMT *stmt);
  unsigned char* (*db_execute_generate_request)(MYSQL_STMT *stmt, size_t *request_len, my_bool internal);
};

/* synonyms/aliases functions */
#define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
#define mysql_library_init mysql_server_init
#define mysql_library_end mysql_server_end
#define mariadb_connect(hdl, conn_str) mysql_real_connect((hdl),(conn_str), NULL, NULL, NULL, 0, NULL, 0)

/* new api functions */

#define HAVE_MYSQL_REAL_CONNECT

#ifdef	__cplusplus
}
#endif

#endif

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