psqlodbc.h

/* File:			psqlodbc.h
 *
 * Description:		This file contains defines and declarations that are related to
 *					the entire driver.
 *
 * Comments:		See "readme.txt" for copyright and license information.
 */

#ifndef __PSQLODBC_H__
#define __PSQLODBC_H__

/* #define	__MS_REPORTS_ANSI_CHAR__ */

#ifndef WIN32
#include "config.h"
#else
#define	WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif

#include <stdio.h>				/* for FILE* pointers: see GLOBAL_VALUES */
#ifdef POSIX_MULTITHREAD_SUPPORT
#include <pthread.h>
#endif
#include "version.h"

#ifdef	WIN32
#ifdef	_DEBUG
#ifndef	_MEMORY_DEBUG_
#include <stdlib.h>
#if (_MSC_VER < 1400) /* in case of VC7 or under */
#include <malloc.h>
#endif /* _MSC_VER */
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif /* _MEMORY_DEBUG_ */
#else  /* _DEBUG */
#include <stdlib.h>
#endif /* _DEBUG */
#else  /* WIN32 */
#include <stdlib.h>
#endif /* WIN32 */

#ifdef	_MEMORY_DEBUG_
void		*pgdebug_alloc(size_t);
void		*pgdebug_calloc(size_t, size_t);
void		*pgdebug_realloc(void *, size_t);
char		*pgdebug_strdup(const char *);
void		*pgdebug_memcpy(void *, const void *, size_t);
void		*pgdebug_memset(void *, int c, size_t);
char		*pgdebug_strcpy(char *, const char *);
char		*pgdebug_strncpy(char *, const char *, size_t);
char		*pgdebug_strncpy_null(char *, const char *, size_t);
void		pgdebug_free(void *);
void		debug_memory_check(void);

#ifdef	WIN32
#undef strdup
#endif /* WIN32 */
#define malloc	pgdebug_alloc
#define realloc pgdebug_realloc
#define calloc	pgdebug_calloc
#define strdup	pgdebug_strdup
#define free	pgdebug_free
#define strcpy	pgdebug_strcpy
#define strncpy	pgdebug_strncpy
/* #define strncpy_null	pgdebug_strncpy_null */
#define memcpy	pgdebug_memcpy
#define memset	pgdebug_memset
#endif   /* _MEMORY_DEBUG_ */

#ifdef	WIN32
#include <delayimp.h>
#endif /* WIN32 */
/* Must come before sql.h */
#define ODBCVER					0x0351

/*
 * Default NAMEDATALEN value in the server. The server can be compiled with
 * a different value, but this will do.
 */
#define NAMEDATALEN_V73					64

#ifndef NAMESTORAGELEN
#define NAMESTORAGELEN					64
#endif   /* NAMESTORAGELEN */

#ifndef	WIN32
#undef	WIN_MULTITHREAD_SUPPORT
#endif

#if defined(WIN32) || defined(WITH_UNIXODBC) || defined(WITH_IODBC)
#include <sql.h>
#include <sqlext.h>
#if defined(WIN32) && (_MSC_VER < 1300) /* in case of VC6 or under */
#define SQLLEN SQLINTEGER
#define SQLULEN SQLUINTEGER
#define SQLSETPOSIROW SQLUSMALLINT
/* VC6 bypasses 64bit mode. */
#define DWLP_USER DWL_USER
#define ULONG_PTR ULONG
#define LONG_PTR LONG
#define SetWindowLongPtr(hdlg, DWLP_USER, lParam) SetWindowLong(hdlg, DWLP_USER, lParam)
#define GetWindowLongPtr(hdlg, DWLP_USER) GetWindowLong(hdlg, DWLP_USER);
#endif
#else
#include "iodbc.h"
#include "isql.h"
#include "isqlext.h"
#endif /* WIN32 */

#if defined(WIN32)
#include <odbcinst.h>
#elif defined(WITH_UNIXODBC)
#include <odbcinst.h>
#elif defined(WITH_IODBC)
#include <iodbcinst.h>
#endif

#ifdef	__cplusplus
extern "C" {
#endif

#define Int4 int
#define UInt4 unsigned int
#define Int2 short
#define UInt2 unsigned short
typedef SQLBIGINT Int8;
typedef	UInt4	OID;

#ifndef SQL_TRUE
#define SQL_TRUE TRUE
#endif /* SQL_TRUE */
#ifndef SQL_FALSE
#define SQL_FALSE FALSE
#endif /* SQL_FALSE */

#ifdef	WIN32
#ifndef	SSIZE_T_DEFINED
#define	ssize_t	SSIZE_T
#define	SSIZE_T_DEFINED
#endif /* SSIZE_T */
#define	FORMAT_SIZE_T	"%Iu"	/* size_t */
#define	FORMAT_SSIZE_T	"%Id"	/* ssize_t */
#define	FORMAT_INTEGER	"%ld"	/* SQLINTEGER */
#define	FORMAT_UINTEGER	"%lu"	/* SQLUINTEGER */
#define	FORMATI64	"%I64d"	/* SQLBIGINT */
#define	FORMATI64U	"%I64u"	/* SQLUBIGINT */
#ifdef	_WIN64
#define	FORMAT_LEN	"%I64d" /* SQLLEN */
#define	FORMAT_ULEN	"%I64u" /* SQLULEN */
#else /* _WIN64 */
#define	FORMAT_LEN	"%ld"	/* SQLLEN */
#define	FORMAT_ULEN	"%lu"	/* SQLULEN */
#endif /* _WIN64 */
#else /* WIN32 */
#define	FORMAT_SIZE_T	"%zu"	/* size_t */
#define	FORMAT_SSIZE_T	"%zd"	/* ssize_t */
#ifndef	HAVE_SSIZE_T
typedef	long	ssize_t
#endif /* HAVE_SSIZE_T */

#if (SIZEOF_VOID_P == SIZEOF_LONG) /* ILP32 or LP64 */
typedef	long 	LONG_PTR;
typedef	unsigned long 	ULONG_PTR;
#elif defined (HAVE_LONG_LONG) /* LLP64 */
typedef	long long LONG_PTR;
typedef	unsigned long long ULONG_PTR;
#else /* SIZEOF_VOID_P */
#error appropriate long pointer type not found
#endif /* SIZEOF_VOID_P */
#if (SIZEOF_LONG == 8) /* LP64 */
#define	FORMAT_INTEGER	"%d"	/* SQLINTEGER */
#define	FORMAT_UINTEGER	"%u"	/* SQLUINTEGER */
#define	FORMATI64	"%ld"	/* SQLBIGINT */
#define	FORMATI64U	"%lu"	/* SQLUBIGINT */
#if defined(WITH_UNIXODBC) && defined(BUILD_LEGACY_64_BIT_MODE)
#define FORMAT_LEN	"%d"	/* SQLLEN */
#define FORMAT_ULEN	"%u"	/* SQLULEN */
#else /* WITH_UNIXODBC */
#define FORMAT_LEN	"%ld"	/* SQLLEN */
#define FORMAT_ULEN	"%lu"	/* SQLULEN */
#endif /* WITH_UNIXODBC */
#else /* SIZEOF_LONG */
#define	FORMAT_INTEGER	"%ld"	/* SQLINTEGER */
#define	FORMAT_UINTEGER	"%lu"	/* SQLUINTEGER */
#if defined(HAVE_LONG_LONG)
#define	FORMATI64	"%lld"	/* SQLBIGINT */
#define	FORMATI64U	"%llu"	/* SQLUBIGINT */
#if (SIZEOF_VOID_P == 8) /* LLP64 */
#define	FORMAT_LEN	"%lld"	/* SQLLEN */
#define	FORMAT_ULEN	"%llu"	/* SQLULEN */
#else /* SIZEOF_VOID_P ILP32 */
#define	FORMAT_LEN	"%ld"	/* SQLLEN */
#define	FORMAT_ULEN	"%lu"	/* SQLULEN */
#endif /* SIZEOF_VOID_P */
#else /* HAVE_LONG_LONG */
#define	FORMAT_LEN	"%ld"	/* SQLLEN */
#define	FORMAT_ULEN	"%lu"	/* SQLULEN */
#endif /* HAVE_LONG_LONG */
#endif /* SIZEOF_LONG */
#endif /* WIN32 */
#define	CAST_PTR(type, ptr)	(type)((LONG_PTR)(ptr))
#define	CAST_UPTR(type, ptr)	(type)((ULONG_PTR)(ptr))
#ifndef	SQL_IS_LEN
#define	SQL_IS_LEN	(-1000)
#endif /* SQL_IS_LEN */
#ifdef	HAVE_SIGNED_CHAR
typedef	signed char	po_ind_t;
#else
typedef char	po_ind_t;
#endif /* HAVE_SIGNED_CHAR */

#ifndef WIN32
#if !defined(WITH_UNIXODBC) && !defined(WITH_IODBC)
typedef float SFLOAT;
typedef double SDOUBLE;
#endif /* WITH_UNIXODBC */

#ifndef CALLBACK
#define CALLBACK
#endif /* CALLBACK */
#endif /* WIN32 */

#ifndef WIN32
#define stricmp strcasecmp
#define strnicmp strncasecmp
#ifndef TRUE
#define	TRUE	(BOOL)1
#endif /* TRUE */
#ifndef	FALSE
#define	FALSE	(BOOL)0
#endif /* FALSE */
#else
#define snprintf posix_snprintf
extern int posix_snprintf(char *buf, size_t size, const char *format, ...);

#ifndef strdup
#define strdup _strdup
#endif /* strdup */
#define strnicmp _strnicmp
#define stricmp _stricmp
#define vsnprintf _vsnprintf
#endif /* WIN32 */

#ifndef	SQL_ATTR_APP_ROW_DESC
#define	SQL_ATTR_APP_ROW_DESC	10010
#endif
#ifndef	SQL_ATTR_APP_PARAM_DESC
#define	SQL_ATTR_APP_PARAM_DESC	10011
#endif
#ifndef	SQL_ATTR_IMP_ROW_DESC
#define	SQL_ATTR_IMP_ROW_DESC	10012
#endif
#ifndef	SQL_ATTR_IMP_PARAM_DESC
#define	SQL_ATTR_IMP_PARAM_DESC	10013
#endif

/* Driver stuff */

#define DRIVERNAME				"PostgreSQL ODBC"

#define DBMS_NAME_UNICODE		"PostgreSQL Unicode"
#define DBMS_NAME_ANSI			"PostgreSQL ANSI"

#define DRIVER_ODBC_VER				"03.51"

#ifndef	UNICODE_SUPPORT
#undef	SQL_WCHAR
#undef	SQL_WVARCHAR
#undef	SQL_WLONGVARCHAR
#undef	SQL_C_WCHAR
#define	SQL_WCHAR	SQL_WCHAR_IS_INHIBITED
#define	SQL_WVARCHAR	SQL_WVARCHAR_IS_INHIBITED
#define	SQL_WLONGVARCHAR	SQL_WLONGVARCHAR_IS_INHIBITED
#define	SQL_C_WCHAR	SQL_C_WCHAR_IS_INHIBITED
#endif
#ifndef DBMS_NAME
#ifdef	UNICODE_SUPPORT
#define DBMS_NAME				DBMS_NAME_UNICODE
#else
#define DBMS_NAME				DBMS_NAME_ANSI
#endif /* UNICODE_SUPPORT */
#endif /* DBMS_NAME */

#ifndef DBMS_NAME
#define DBMS_NAME				"PostgreSQL Legacy"
#endif   /* DBMS_NAME */
#ifdef WIN32
#ifdef	UNICODE_SUPPORT
#define DRIVER_FILE_NAME			"PSQLODBC35W.DLL"
#else
#define DRIVER_FILE_NAME			"PSQLODBC.DLL"
#endif   /* UNICODE_SUPPORT */
#else
#ifdef  UNICODE_SUPPORT
#define DRIVER_FILE_NAME                        "psqlodbcw.so"
#else
#define DRIVER_FILE_NAME                        "psqlodbca.so"
#endif
#endif   /* WIN32 */
BOOL isMsAccess(void);
BOOL isMsQuery(void);
BOOL isSqlServr(void);

/* ESCAPEs */
#define	ESCAPE_IN_LITERAL				'\\'
#define	BYTEA_ESCAPE_CHAR				'\\'
#define	SEARCH_PATTERN_ESCAPE				'\\'
#define	LITERAL_QUOTE					'\''
#define	IDENTIFIER_QUOTE				'\"'
#define	ODBC_ESCAPE_START				'{'
#define	ODBC_ESCAPE_END					'}'
#define	DOLLAR_QUOTE					'$'
#define	LITERAL_EXT					'E'
#define	PG_CARRIAGE_RETURN				'\r'
#define	PG_LINEFEED					'\n'

/* Limits */
#define MAXPGPATH					1024

 /* see an easy way round this - DJP 24-1-2001 */
#define MAX_CONNECT_STRING			4096
#define FETCH_MAX					100 /* default number of rows to cache
										 * for declare/fetch */
#define TUPLE_MALLOC_INC			100
#define MAX_CONNECTIONS				128 /* conns per environment
										 * (arbitrary)	*/

#ifdef	NAMEDATALEN
#define MAX_SCHEMA_LEN				NAMEDATALEN
#define MAX_TABLE_LEN				NAMEDATALEN
#define MAX_COLUMN_LEN				NAMEDATALEN
#define NAME_FIELD_SIZE				NAMEDATALEN /* size of name fields */
#if (NAMEDATALEN > NAMESTORAGELEN)
#undef	NAMESTORAGELEN
#define	NAMESTORAGELEN	NAMEDATALEN
#endif
#endif /* NAMEDATALEN */
#define MAX_CURSOR_LEN				32

#define SCHEMA_NAME_STORAGE_LEN			NAMESTORAGELEN
#define TABLE_NAME_STORAGE_LEN			NAMESTORAGELEN
#define COLUMN_NAME_STORAGE_LEN			NAMESTORAGELEN
#define INDEX_KEYS_STORAGE_COUNT		32

/*	Registry length limits */
#define LARGE_REGISTRY_LEN			4096		/* used for special cases */
#define MEDIUM_REGISTRY_LEN			256 /* normal size for
										 * user,database,etc. */
#define SMALL_REGISTRY_LEN			10	/* for 1/0 settings */


/*	These prefixes denote system tables */
#define POSTGRES_SYS_PREFIX			"pg_"

/*	Info limits */
#define MAX_INFO_STRING				128

/* POSIX defines a PATH_MAX.( wondows is _MAX_PATH ..) */
#ifndef PATH_MAX
#ifdef _MAX_PATH
#define PATH_MAX	_MAX_PATH
#else
#define PATH_MAX       1024
#endif /* _MAX_PATH */
#endif /* PATH_MAX */

typedef struct ConnectionClass_ ConnectionClass;
typedef struct StatementClass_ StatementClass;
typedef struct QResultClass_ QResultClass;
typedef struct BindInfoClass_ BindInfoClass;
typedef struct ParameterInfoClass_ ParameterInfoClass;
typedef struct ParameterImplClass_ ParameterImplClass;
typedef struct ColumnInfoClass_ ColumnInfoClass;
typedef struct EnvironmentClass_ EnvironmentClass;
typedef struct TupleField_ TupleField;
typedef struct KeySet_ KeySet;
typedef struct Rollback_ Rollback;
typedef struct ARDFields_ ARDFields;
typedef struct APDFields_ APDFields;
typedef struct IRDFields_ IRDFields;
typedef struct IPDFields_ IPDFields;

typedef struct col_info COL_INFO;
typedef struct lo_arg LO_ARG;


/*	pgNAME type define */
typedef struct
{
	char	*name;
} pgNAME;
#define	GET_NAME(the_name)	((the_name).name)
#define	SAFE_NAME(the_name)	((the_name).name ? (the_name).name : NULL_STRING)
#define	PRINT_NAME(the_name)	((the_name).name ? (the_name).name : PRINT_NULL)
#define	NAME_IS_NULL(the_name)	(NULL == (the_name).name)
#define	NAME_IS_VALID(the_name)	(NULL != (the_name).name)
#define	INIT_NAME(the_name) ((the_name).name = NULL)
#define	NULL_THE_NAME(the_name) \
do { \
	if ((the_name).name) free((the_name).name); \
	(the_name).name = NULL; \
} while (0)
#define	STR_TO_NAME(the_name, str) \
do { \
	if ((the_name).name) \
		free((the_name).name); \
	(the_name).name = (str ? strdup((str)) : NULL); \
} while (0)
#define	STRX_TO_NAME(the_name, str) \
do { \
	if ((the_name).name) \
		free((the_name).name); \
	(the_name).name = strdup((str)); \
} while (0)
#define	STRN_TO_NAME(the_name, str, n) \
do { \
	if ((the_name).name) \
		free((the_name).name); \
	if (str) \
	{ \
		(the_name).name = malloc((n) + 1); \
		if ((the_name).name) \
		{ \
			memcpy((the_name).name, str, (n));	\
			(the_name).name[(n)] = '\0';		\
		} \
	} \
	else \
		(the_name).name = NULL; \
} while (0)
#define	NAME_TO_NAME(to, from) \
do { \
	if ((to).name) \
		free((to).name); \
	if ((from).name) \
		(to).name = strdup(from.name); \
	else \
		(to).name = NULL; \
} while (0)
#define	MOVE_NAME(to, from) \
do { \
	if ((to).name) \
		free((to).name); \
	(to).name = (from).name; \
	(from).name = NULL; \
} while (0)
#define	SET_NAME_DIRECTLY(the_name, str) ((the_name).name = (str))

#define	NAMECMP(name1, name2) (strcmp(SAFE_NAME(name1), SAFE_NAME(name2)))
#define	NAMEICMP(name1, name2) (stricmp(SAFE_NAME(name1), SAFE_NAME(name2)))
/*	pgNAME define end */

typedef struct GlobalValues_
{
	pgNAME		drivername;
	int			fetch_max;
	int			unknown_sizes;
	int			max_varchar_size;
	int			max_longvarchar_size;
	char		debug;
	char		commlog;
	char		unique_index;
	char		onlyread;		/* readonly is reserved on Digital C++
								 * compiler */
	char		use_declarefetch;
	char		text_as_longvarchar;
	char		unknowns_as_longvarchar;
	char		bools_as_char;
	char		lie;
	char		parse;
	char		extra_systable_prefixes[MEDIUM_REGISTRY_LEN];
	char		protocol[SMALL_REGISTRY_LEN];
	pgNAME		conn_settings;
} GLOBAL_VALUES;

void copy_globals(GLOBAL_VALUES *to, const GLOBAL_VALUES *from);
void finalize_globals(GLOBAL_VALUES *glbv);

typedef struct StatementOptions_
{
	SQLLEN			maxRows;
	SQLLEN			maxLength;
	SQLLEN			keyset_size;
	SQLUINTEGER		cursor_type;
	SQLUINTEGER		scroll_concurrency;
	SQLUINTEGER		retrieve_data;
	SQLUINTEGER		use_bookmarks;
	void			*bookmark_ptr;
	SQLUINTEGER		metadata_id;
	SQLULEN			stmt_timeout;
} StatementOptions;

/*	Used to pass extra query info to send_query */
typedef struct QueryInfo_
{
	SQLLEN		row_size;
	SQLLEN		fetch_size;
	QResultClass	*result_in;
	const char	*cursor;
} QueryInfo;

/*	Used to save the error information */
typedef struct
{
        UInt4	status;
        Int4	errorsize;
        Int2	recsize;
        Int2	errorpos;
        char    sqlstate[8];
        SQLLEN	diag_row_count;
        char    __error_message[1];
}       PG_ErrorInfo;
PG_ErrorInfo	*ER_Constructor(SDWORD errornumber, const char *errormsg);
PG_ErrorInfo	*ER_Dup(const PG_ErrorInfo *from);
void ER_Destructor(PG_ErrorInfo *);
RETCODE SQL_API ER_ReturnError(PG_ErrorInfo **, SQLSMALLINT, UCHAR *,
		SQLINTEGER *, UCHAR *, SQLSMALLINT, SQLSMALLINT *, UWORD);

void		logs_on_off(int cnopen, int, int);

#define PG_TYPE_LO_UNDEFINED			(-999)		/* hack until permanent
												 * type available */
#define PG_TYPE_LO_NAME				"lo"
#define CTID_ATTNUM				(-1)	/* the attnum of ctid */
#define OID_ATTNUM				(-2)	/* the attnum of oid */
#define XMIN_ATTNUM				(-3)	/* the attnum of xmin */

/* sizes */
#define TEXT_FIELD_SIZE			8190	/* size of default text fields
						 * (not including null term) */
#define MAX_VARCHAR_SIZE		255	/* default maximum size of
						 * varchar fields (not including null term) */
#define INFO_VARCHAR_SIZE		254	/* varchar field size
						 * used in info.c */

#define PG_NUMERIC_MAX_PRECISION	1000
#define PG_NUMERIC_MAX_SCALE		1000

/* Sufficient digits to recover original float values */
#define PG_REAL_DIGITS			9
#define PG_DOUBLE_DIGITS		17

#define INFO_INQUIRY_LEN		8192	/* this seems sufficiently big for
										 * queries used in info.c inoue
										 * 2001/05/17 */

#define	LENADDR_SHIFT(x, sft)	((x) ? (SQLLEN *)((char *)(x) + (sft)) : NULL)

/*	Structure to hold all the connection attributes for a specific
	connection (used for both registry and file, DSN and DRIVER)
*/
typedef struct
{
	char		dsn[MEDIUM_REGISTRY_LEN];
	char		desc[MEDIUM_REGISTRY_LEN];
	char		drivername[MEDIUM_REGISTRY_LEN];
	char		server[MEDIUM_REGISTRY_LEN];
	char		database[MEDIUM_REGISTRY_LEN];
	char		username[MEDIUM_REGISTRY_LEN];
	pgNAME		password;
	char		port[SMALL_REGISTRY_LEN];
	char		sslmode[16];
	char		onlyread[SMALL_REGISTRY_LEN];
	char		fake_oid_index[SMALL_REGISTRY_LEN];
	char		show_oid_column[SMALL_REGISTRY_LEN];
	char		row_versioning[SMALL_REGISTRY_LEN];
	char		show_system_tables[SMALL_REGISTRY_LEN];
	char		translation_dll[MEDIUM_REGISTRY_LEN];
	char		translation_option[SMALL_REGISTRY_LEN];
	char		password_required;
	pgNAME		conn_settings;
	pgNAME		pqopt;
	signed char	allow_keyset;
	signed char	updatable_cursors;
	signed char	lf_conversion;
	signed char	true_is_minus1;
	signed char	int8_as;
	signed char	bytea_as_longvarbinary;
	signed char	use_server_side_prepare;
	signed char	lower_case_identifier;
	signed char	rollback_on_error;
	signed char	force_abbrev_connstr;
	signed char	bde_environment;
	signed char	fake_mss;
	signed char	cvt_null_date_string;
	signed char	accessible_only;
	signed char	ignore_round_trip_time;
	signed char	disable_keepalive;
	signed char	gssauth_use_gssapi;
	signed char	wcs_debug;
	UInt4		extra_opts;
	Int4		keepalive_idle;
	Int4		keepalive_interval;
#ifdef	_HANDLE_ENLIST_IN_DTC_
	signed char	xa_opt;
#endif /* _HANDLE_ENLIST_IN_DTC_ */
	GLOBAL_VALUES drivers;		/* moved from driver's option */
} ConnInfo;

#define SUPPORT_DESCRIBE_PARAM(conninfo_) (conninfo_->use_server_side_prepare)

int	initialize_global_cs(void);
enum { /* CC_conninfo_init option */
	CLEANUP_FOR_REUSE	= 1L		/* reuse the info */
	,COPY_GLOBALS		= (1L << 1) /* copy globals to drivers */
};
void	CC_conninfo_init(ConnInfo *conninfo, UInt4 option);
void	CC_conninfo_release(ConnInfo *conninfo);
void	CC_copy_conninfo(ConnInfo *ci, const ConnInfo *sci);
#ifdef	POSIX_MULTITHREAD_SUPPORT
#if	!defined(HAVE_ECO_THREAD_LOCKS)
#define	POSIX_THREADMUTEX_SUPPORT
#endif /* HAVE_ECO_THREAD_LOCKS */
#endif /* POSIX_MULTITHREAD_SUPPORT */

#ifdef	POSIX_THREADMUTEX_SUPPORT
const pthread_mutexattr_t *getMutexAttr(void);
#endif /* POSIX_THREADMUTEX_SUPPORT */
#ifdef	UNICODE_SUPPORT
#define WCLEN sizeof(SQLWCHAR)
enum {
	WCSTYPE_UNKNOWN
	,WCSTYPE_UTF16_LE
	,WCSTYPE_UTF32_LE
	};
SQLULEN	ucs2strlen(const SQLWCHAR *ucs2str);
char	*ucs2_to_utf8(const SQLWCHAR *ucs2str, SQLLEN ilen, SQLLEN *olen, BOOL tolower);
SQLULEN	utf8_to_ucs2_lf(const char * utf8str, SQLLEN ilen, BOOL lfconv, SQLWCHAR *ucs2str, SQLULEN buflen, BOOL errcheck);
int	get_wcstype(void);
int	msgtowstr(const char *, wchar_t *, int);
int	wstrtomsg(const wchar_t *, char *, int);
char	*wcs_to_utf8(const wchar_t *wcsstr, SQLLEN ilen, SQLLEN *olen, BOOL tolower);
SQLULEN	utf8_to_wcs_lf(const char * utf8str, SQLLEN ilen, BOOL lfconv, wchar_t *wcsstr, SQLULEN buflen, BOOL errcheck);
#define	utf8_to_ucs2(utf8str, ilen, ucs2str, buflen) utf8_to_ucs2_lf(utf8str, ilen, FALSE, ucs2str, buflen, FALSE)
#endif /* UNICODE_SUPPORT */

/* Define a type for defining a constant string expression */
#ifndef	CSTR
#define	CSTR static const char * const
#endif	/* CSTR */

CSTR	NULL_STRING = "";
CSTR	PRINT_NULL = "(null)";
#define OID_NAME "oid"
#define XMIN_NAME "xmin"
#define TABLEOID_NAME "tableoid"

#ifdef	__cplusplus
}
#endif

#include "mylog.h"

#endif /* __PSQLODBC_H__ */