/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB   This file is public domain and comes with NO WARRANTY of any kind *//*** Common definition between mysql server & client*/#ifndef _mysql_com_h#define _mysql_com_h#ifdef	__cplusplusextern "C" {#endif#define NAME_LEN	64		/* Field/table name length */#define LOCAL_HOST	"localhost"#define MYSQL_PORT	3306		/* Alloced by ISI for MySQL */#define MYSQL_UNIX_ADDR "/tmp/mysql.sock"enum enum_server_command {COM_SLEEP,COM_QUIT,COM_INIT_DB,COM_QUERY,			  COM_FIELD_LIST,COM_CREATE_DB,COM_DROP_DB,COM_REFRESH,			  COM_SHUTDOWN,COM_STATISTICS,			  COM_PROCESS_INFO,COM_CONNECT,COM_PROCESS_KILL,			  COM_DEBUG};#define NOT_NULL_FLAG	1		/* Field can't be NULL */#define PRI_KEY_FLAG	2		/* Field is part of a primary key */#define UNIQUE_KEY_FLAG 4		/* Field is part of a unique key */#define MULTIPLE_KEY_FLAG 8		/* Field is part of a key */#define BLOB_FLAG	16		/* Field is a blob */#define UNSIGNED_FLAG	32		/* Field is unsigned */#define ZEROFILL_FLAG	64		/* Field is zerofill */#define BINARY_FLAG	128/* The following are only sent to new clients */#define ENUM_FLAG	256		/* field is an enum */#define AUTO_INCREMENT_FLAG 512		/* field is a autoincrement field */#define TIMESTAMP_FLAG	1024		/* Field is a timestamp */#define PART_KEY_FLAG	16384		/* Intern; Part of some key */#define GROUP_FLAG	32768		/* Intern group field */#define REFRESH_GRANT		1	/* Refresh grant tables */#define REFRESH_LOG		2	/* Start on new log file */#define REFRESH_TABLES		4	/* close all tables */#define CLIENT_LONG_PASSWORD	1	/* new more secure passwords */#define CLIENT_FOUND_ROWS	2	/* Found instead of affected rows */#define CLIENT_LONG_FLAG	4	/* Get all column flags */#define CLIENT_CONNECT_WITH_DB	8	/* One can specify db on connect */typedef struct st_used_mem {			/* struct for once_alloc */  struct st_used_mem *next;			/* Next block in use */  unsigned int	left;				/* memory left in block  */  unsigned int	size;				/* size of block */} USED_MEM;typedef struct st_mem_root {  USED_MEM *free;  USED_MEM *used;  unsigned int	min_malloc;  unsigned int  block_size;  void (*error_handler)(void);} MEM_ROOT;#define MYSQL_ERRMSG_SIZE 200typedef struct st_net {  Socket fd;  int fcntl;  unsigned char *buff,*buff_end,*write_pos;  char last_error[MYSQL_ERRMSG_SIZE];  unsigned int last_errno,max_packet,timeout,pkt_nr;  my_bool error,return_errno;} NET;#define packet_error ((unsigned int) -1)enum enum_field_types { FIELD_TYPE_DECIMAL, FIELD_TYPE_TINY,			FIELD_TYPE_SHORT,  FIELD_TYPE_LONG,			FIELD_TYPE_FLOAT,  FIELD_TYPE_DOUBLE,			FIELD_TYPE_NULL,   FIELD_TYPE_TIMESTAMP,			FIELD_TYPE_LONGLONG,FIELD_TYPE_INT24,			FIELD_TYPE_DATE,   FIELD_TYPE_TIME,			FIELD_TYPE_DATETIME,			FIELD_TYPE_ENUM=247,			FIELD_TYPE_SET=248,			FIELD_TYPE_TINY_BLOB=249,			FIELD_TYPE_MEDIUM_BLOB=250,			FIELD_TYPE_LONG_BLOB=251,			FIELD_TYPE_BLOB=252,			FIELD_TYPE_VAR_STRING=253,			FIELD_TYPE_STRING=254};#define FIELD_TYPE_CHAR FIELD_TYPE_TINY		/* For compability */#define FIELD_TYPE_INTERVAL FIELD_TYPE_ENUM	/* For compability */void	sql_free(MEM_ROOT *root);void	init_alloc_root(MEM_ROOT *root,unsigned int block_size);my_bool	sql_alloc_first_block(MEM_ROOT *root);gptr	sql_alloc_root(MEM_ROOT *mem_root,unsigned int len);char	*sql_strdup_root(MEM_ROOT *root,const char *str);char	*sql_memdup_root(MEM_ROOT *root,const char *str,unsigned int len);extern unsigned long max_allowed_packet;extern unsigned long net_buffer_length;#define net_new_transaction(net) ((net)->pkt_nr=0)int	my_net_init(NET *net,Socket fd);void	net_end(NET *net);void	net_clear(NET *net);int	net_flush(NET *net);int	my_net_write(NET *net,const byte *packet,unsigned int len);int	net_write_command(NET *net,unsigned char command,const byte *packet,			  unsigned int len);int	net_real_write(NET *net,const byte *packet,unsigned int len);unsigned int	my_net_read(NET *net);struct rand_struct {  unsigned long seed,seed2,max_value;  double max_value_dbl;};  /* The following is for user defined functions */enum Item_result {STRING_RESULT,REAL_RESULT,INT_RESULT};typedef struct st_udf_args{  unsigned int arg_count;		/* Number of arguments */  enum Item_result *arg_type;		/* Pointer to item_results */  char **args;				/* Pointer to argument */  unsigned long *lengths;		/* Length of string arguments */} UDF_ARGS;  /* This holds information about the result */typedef struct st_udf_init{  my_bool maybe_null;			/* 1 if function can return NULL */  unsigned int decimals;		/* for real functions */  unsigned int max_length;		/* For string functions */  char	  *ptr;				/* free pointer for function data */} UDF_INIT;  /* Prototypes to password functions */void randominit(struct rand_struct *rand,unsigned long seed1,		unsigned long seed2);double rnd(struct rand_struct *rand);void make_scrambled_password(char *to,const char *password);void get_salt_from_password(unsigned long *res,const char *password);char *scramble(char *to,const char *message,const char *password,	       my_bool old_ver);my_bool check_scramble(const char *scramble,const char *message,		       unsigned long *salt,my_bool old_ver);char *get_tty_password(char *opt_message);#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */#ifdef __WIN32__#define socket_errno WSAGetLastError()#else#define socket_errno errno#endif#ifdef	__cplusplus}#endif#endif