Changed code to get rid of a compiler warning about statement always being FALSE

[wxWidgets.git] / src / iodbc / isql.h

diff --git a/src/iodbc/isql.h b/src/iodbc/isql.h
index df5df0860f2d559c325c71b20bc39a9a308fc77f..9309ca6a898b80a66ad61b6279bba5676512dc33 100644 (file)
--- a/src/iodbc/isql.h
+++ b/src/iodbc/isql.h
@@ -1,192 +1,232 @@
-#ifndef _INTRINSIC_SQL_H
-# define _INTRINSIC_SQL_H
-
-#ifndef OS2
-typedef unsigned char           UCHAR;
+/*
+ *  isql.h
+ *
+ *  $Id$
+ *
+ *  iODBC defines
+ *
+ *  The iODBC driver manager.
+ *  
+ *  Copyright (C) 1995 by Ke Jin <kejin@empress.com> 
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef _ISQL_H
+#define _ISQL_H
+
+#ifndef WIN16
+#ifdef WIN32
+#define SQL_API                                __stdcall
+#else
+#define FAR
+#define EXPORT
+#define CALLBACK
+#define SQL_API                                EXPORT CALLBACK
+
+typedef void *HWND;

 #endif
 #endif

-typedef long int                SDWORD;
-typedef short int               SWORD;
-typedef unsigned long int       UDWORD;
-typedef unsigned short int      UWORD;
-typedef unsigned int            UINT;
-
-#ifndef FAR
-#  define FAR

 #endif
 #endif

-#ifndef NEAR                                                                    
-#  define NEAR                                                                 
-#endif       
-#ifndef HANDLE                                                                  
-  typedef int                          HANDLE;                                 
-  #endif          
-#ifndef HGLOBAL                                                                  
-  typedef HANDLE                          HGLOBAL;                                 
-  #endif          
-#ifndef SQL_INDEX_OTHER                                                                  
-#define SQL_INDEX_OTHER                 3
-  #endif          
-
-#  ifndef BOOL
-#    define BOOL                       int
-#  endif
-#  ifndef CHAR
-#    define CHAR                       char
-#  endif
-#  ifndef FALSE
-#    define FALSE                      (0 != 0)
-#  endif
-#  ifndef HWND
-#    define HWND                       int
-#  endif
-#  ifndef SQLHWND
-#    define SQLHWND                       int
-#  endif
-#  ifndef LONG
-#    define LONG                       long
-#  endif
-#  ifndef PASCAL
-#    define PASCAL
-#  endif
-#  ifndef SHORT
-#    define SHORT                      short
-#  endif
-#  ifndef SQL_API
-#    define SQL_API
-#  endif
-#  ifndef SQL_LOCAL_API
-#    define SQL_LOCAL_API
-#  endif
-#  ifndef TRUE
-#    define TRUE                       (0 == 0)
-#  endif
-
-typedef struct tagDATE_STRUCT
-{
-SWORD    year;
-UWORD   month;
-UWORD   day;
-} DATE_STRUCT;
-
-typedef struct tagTIME_STRUCT
-{
-UWORD   hour;
-UWORD   minute;
-UWORD   second;
-} TIME_STRUCT;

 
 

-typedef struct tagTIMESTAMP_STRUCT
+typedef void *SQLHWND;
+
+typedef unsigned char UCHAR;
+typedef long int SDWORD;
+typedef short int SWORD;
+typedef unsigned long int UDWORD;
+typedef unsigned short int UWORD;
+
+typedef void FAR *PTR;
+typedef void FAR *HENV;
+typedef void FAR *HDBC;
+typedef void FAR *HSTMT;
+
+typedef signed short RETCODE;
+#define SQLRETURN      RETCODE
+
+
+#define ODBCVER                                0x0250
+
+#define SQL_MAX_MESSAGE_LENGTH         512
+#define SQL_MAX_DSN_LENGTH             32
+
+/*
+ *  Function return codes
+ */
+#define SQL_INVALID_HANDLE             (-2)
+#define SQL_ERROR                      (-1)
+#define SQL_SUCCESS                    0
+#define SQL_SUCCESS_WITH_INFO          1
+#define SQL_NO_DATA_FOUND              100
+
+/*
+ *  Standard SQL datatypes, using ANSI type numbering
+ */
+#define SQL_CHAR                       1
+#define SQL_NUMERIC                    2
+#define SQL_DECIMAL                    3
+#define SQL_INTEGER                    4
+#define SQL_SMALLINT                   5
+#define SQL_FLOAT                      6
+#define SQL_REAL                       7
+#define SQL_DOUBLE                     8
+#define SQL_VARCHAR                    12
+
+#define SQL_TYPE_MIN                   SQL_CHAR
+#define SQL_TYPE_NULL                  0
+#define SQL_TYPE_MAX                   SQL_VARCHAR
+
+/*
+ *  C datatype to SQL datatype mapping
+ */
+#define SQL_C_CHAR                     SQL_CHAR
+#define SQL_C_LONG                     SQL_INTEGER
+#define SQL_C_SHORT                    SQL_SMALLINT
+#define SQL_C_FLOAT                    SQL_REAL
+#define SQL_C_DOUBLE                   SQL_DOUBLE
+#define SQL_C_DEFAULT                  99
+
+/*
+ *  NULL status constants.
+ */
+#define SQL_NO_NULLS                   0
+#define SQL_NULLABLE                   1
+#define SQL_NULLABLE_UNKNOWN           2
+
+/*
+ *  Special length values
+ */
+#define SQL_NULL_DATA                  (-1)
+#define SQL_DATA_AT_EXEC               (-2)
+#define SQL_NTS                        (-3)
+
+/*
+ *  SQLFreeStmt
+ */
+#define SQL_CLOSE                      0
+#define SQL_DROP                       1
+#define SQL_UNBIND                     2
+#define SQL_RESET_PARAMS               3
+
+/*
+ *  SQLTransact
+ */
+#define SQL_COMMIT                     0
+#define SQL_ROLLBACK                   1
+
+/*
+ *  SQLColAttributes
+ */
+#define SQL_COLUMN_COUNT               0
+#define SQL_COLUMN_NAME                        1
+#define SQL_COLUMN_TYPE                        2
+#define SQL_COLUMN_LENGTH              3
+#define SQL_COLUMN_PRECISION           4
+#define SQL_COLUMN_SCALE               5
+#define SQL_COLUMN_DISPLAY_SIZE                6
+#define SQL_COLUMN_NULLABLE            7
+#define SQL_COLUMN_UNSIGNED            8
+#define SQL_COLUMN_MONEY               9
+#define SQL_COLUMN_UPDATABLE           10
+#define SQL_COLUMN_AUTO_INCREMENT      11
+#define SQL_COLUMN_CASE_SENSITIVE      12
+#define SQL_COLUMN_SEARCHABLE          13
+#define SQL_COLUMN_TYPE_NAME           14
+#define SQL_COLUMN_TABLE_NAME          15
+#define SQL_COLUMN_OWNER_NAME          16
+#define SQL_COLUMN_QUALIFIER_NAME      17
+#define SQL_COLUMN_LABEL               18
+
+#define SQL_COLATT_OPT_MAX             SQL_COLUMN_LABEL
+#define        SQL_COLATT_OPT_MIN              SQL_COLUMN_COUNT
+#define SQL_COLUMN_DRIVER_START                1000
+
+/*
+ *  SQLColAttributes : SQL_COLUMN_UPDATABLE
+ */
+#define SQL_ATTR_READONLY              0
+#define SQL_ATTR_WRITE                 1
+#define SQL_ATTR_READWRITE_UNKNOWN     2
+
+/*
+ *  SQLColAttributes : SQL_COLUMN_SEARCHABLE
+ */
+#define SQL_UNSEARCHABLE               0
+#define SQL_LIKE_ONLY                  1
+#define SQL_ALL_EXCEPT_LIKE            2
+#define SQL_SEARCHABLE                 3
+
+/*
+ *  NULL Handles
+ */
+#define SQL_NULL_HENV                  0
+#define SQL_NULL_HDBC                  0
+#define SQL_NULL_HSTMT                 0
+
+
+/*
+ *  Function Prototypes
+ */
+#ifdef __cplusplus
+extern "C"

 {
 {

-SWORD    year;
-UWORD   month;
-UWORD   day;
-UWORD   hour;
-UWORD   minute;
-UWORD   second;
-UDWORD    fraction;
-} TIMESTAMP_STRUCT;
-
-
-
-typedef UCHAR FAR*               PTR,
-             FAR*               SQLPTR;
-
-typedef void FAR*               HENV,
-             FAR*               SQLHENV;
-typedef void FAR*               HDBC,
-             FAR*               SQLHDBC;
-typedef void FAR*               HSTMT,
-             FAR*               SQLHSTMT;
-typedef SDWORD                  SQLINTEGER;  
-typedef signed short            RETCODE;
-typedef UCHAR                   SQLCHAR;
-typedef UWORD                   SQLUSMALLINT;
-typedef PTR              SQLPOINTER;
-typedef SWORD                   SQLSMALLINT;
-typedef UDWORD                  SQLUINTEGER;
-
-#  ifdef WIN32
-#    define SQL_API                     __stdcall
-#  else
-#    define SQL_API                     /* giovanni EXPORT CALLBACK */
-#  endif
-#  ifdef OS2
-#    ifdef BCPP
-#      define _Optlink
-#      define _System                  _syscall
-#    endif
-#    undef  SQL_API
-#    define SQL_API                    _System
-#  endif
-
-
-#ifndef ODBCVER
-# define ODBCVER                        0x0200

 #endif
 
 #endif
 

-# define SQL_MAX_MESSAGE_LENGTH         512
-# define SQL_MAX_DSN_LENGTH             32
-
-/* return code */
-# define SQL_INVALID_HANDLE             (-2)
-# define SQL_ERROR                      (-1)
-# define SQL_SUCCESS                    0
-# define SQL_SUCCESS_WITH_INFO          1
-# define SQL_NO_DATA_FOUND              100
-
-/* standard SQL datatypes (agree with ANSI type numbering) */
-# define SQL_CHAR                       1
-# define SQL_NUMERIC                    2
-# define SQL_DECIMAL                    3
-# define SQL_INTEGER                    4
-# define SQL_SMALLINT                   5
-# define SQL_FLOAT                      6
-# define SQL_REAL                       7
-# define SQL_DOUBLE                     8
-# define SQL_VARCHAR                    12
-
-# define SQL_TYPE_MIN                   SQL_CHAR
-# define SQL_TYPE_NULL                  0
-# define SQL_TYPE_MAX                   SQL_VARCHAR
-
-/* C to SQL datatype mapping */
-# define SQL_C_CHAR                     SQL_CHAR
-# define SQL_C_LONG                     SQL_INTEGER
-# define SQL_C_SHORT                    SQL_SMALLINT
-# define SQL_C_FLOAT                    SQL_REAL
-# define SQL_C_DOUBLE                   SQL_DOUBLE
-# define SQL_C_DEFAULT                  99
-
-# define SQL_NO_NULLS                   0
-# define SQL_NULLABLE                   1
-# define SQL_NULLABLE_UNKNOWN           2
-
-/* some special length values */
-# define SQL_NULL_DATA                  (-1)
-# define SQL_DATA_AT_EXEC               (-2)
-# define SQL_NTS                        (-3)
-
-/* SQLFreeStmt flag values */
-# define SQL_CLOSE                      0
-# define SQL_DROP                       1
-# define SQL_UNBIND                     2
-# define SQL_RESET_PARAMS               3
-
-/* SQLTransact flag values */
-# define SQL_COMMIT                     0
-# define SQL_ROLLBACK                   1
-
-/* SQLColAttributes flag values */
-# define SQL_COLUMN_COUNT               0
-# define SQL_COLUMN_LABEL               18
-# define SQL_COLATT_OPT_MAX             SQL_COLUMN_LABEL
-# define SQL_COLUMN_DRIVER_START        1000
-
-# define SQL_COLATT_OPT_MIN             SQL_COLUMN_COUNT
-
-/* Null handles */
-# define SQL_NULL_HENV                  0
-# define SQL_NULL_HDBC                  0
-# define SQL_NULL_HSTMT                 0
-
+  RETCODE SQL_API SQLAllocConnect (HENV henv, HDBC FAR * phdbc);
+  RETCODE SQL_API SQLAllocEnv (HENV FAR * phenv);
+  RETCODE SQL_API SQLAllocStmt (HDBC hdbc, HSTMT FAR * phstmt);
+  RETCODE SQL_API SQLBindCol (HSTMT hstmt, UWORD icol, SWORD fCType,
+      PTR rgbValue, SDWORD cbValueMax, SDWORD FAR * pcbValue);
+  RETCODE SQL_API SQLCancel (HSTMT hstmt);
+  RETCODE SQL_API SQLColAttributes (HSTMT hstmt, UWORD icol, UWORD fDescType,
+      PTR rgbDesc, SWORD cbDescMax, SWORD FAR * pcbDesc, SDWORD FAR * pfDesc);
+  RETCODE SQL_API SQLConnect (HDBC hdbc, UCHAR FAR * szDSN, SWORD cbDSN,
+      UCHAR FAR * szUID, SWORD cbUID, UCHAR FAR * szAuthStr, SWORD cbAuthStr);
+  RETCODE SQL_API SQLDescribeCol (HSTMT hstmt, UWORD icol,
+      UCHAR FAR * szColName, SWORD cbColNameMax, SWORD FAR * pcbColName,
+      SWORD FAR * pfSqlType, UDWORD FAR * pcbColDef, SWORD FAR * pibScale,
+      SWORD FAR * pfNullable);
+  RETCODE SQL_API SQLDisconnect (HDBC hdbc);
+  RETCODE SQL_API SQLError (HENV henv, HDBC hdbc, HSTMT hstmt,
+      UCHAR FAR * szSqlState, SDWORD FAR * pfNativeError, UCHAR FAR * szErrorMsg,
+      SWORD cbErrorMsgMax, SWORD FAR * pcbErrorMsg);
+  RETCODE SQL_API SQLExecDirect (HSTMT hstmt, UCHAR FAR * szSqlStr,
+      SDWORD cbSqlStr);
+  RETCODE SQL_API SQLExecute (HSTMT hstmt);
+  RETCODE SQL_API SQLFetch (HSTMT hstmt);
+  RETCODE SQL_API SQLFreeConnect (HDBC hdbc);
+  RETCODE SQL_API SQLFreeEnv (HENV henv);
+  RETCODE SQL_API SQLFreeStmt (HSTMT hstmt, UWORD fOption);
+  RETCODE SQL_API SQLGetCursorName (HSTMT hstmt, UCHAR FAR * szCursor,
+      SWORD cbCursorMax, SWORD FAR * pcbCursor);
+  RETCODE SQL_API SQLNumResultCols (HSTMT hstmt, SWORD FAR * pccol);
+  RETCODE SQL_API SQLPrepare (HSTMT hstmt, UCHAR FAR * szSqlStr,
+      SDWORD cbSqlStr);
+  RETCODE SQL_API SQLRowCount (HSTMT hstmt, SDWORD FAR * pcrow);
+  RETCODE SQL_API SQLSetCursorName (HSTMT hstmt, UCHAR FAR * szCursor,
+      SWORD cbCursor);
+  RETCODE SQL_API SQLTransact (HENV henv, HDBC hdbc, UWORD fType);
+
+/*
+ *  Depreciated ODBC 1.0 function - Use SQLBindParameter
+ */
+  RETCODE SQL_API SQLSetParam (HSTMT hstmt, UWORD ipar, SWORD fCType,
+      SWORD fSqlType, UDWORD cbColDef, SWORD ibScale, PTR rgbValue,
+      SDWORD FAR * pcbValue);
+
+#ifdef __cplusplus
+}

 #endif
 
 #endif
 

+#endif