connectivity/source/drivers/odbc/OFunctions.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <odbc/OFunctions.hxx>
  21 #include <osl/process.h>
  22
  23 // Implib definitions for ODBC-DLL/shared library:
  24
  25 namespace connectivity
  26 {
  27     T3SQLAllocHandle pODBC3SQLAllocHandle;
  28 T3SQLConnect pODBC3SQLConnect;
  29 T3SQLDriverConnect pODBC3SQLDriverConnect;
  30 T3SQLBrowseConnect pODBC3SQLBrowseConnect;
  31 T3SQLDataSources pODBC3SQLDataSources;
  32 T3SQLDrivers pODBC3SQLDrivers;
  33 T3SQLGetInfo pODBC3SQLGetInfo;
  34 T3SQLGetFunctions pODBC3SQLGetFunctions;
  35 T3SQLGetTypeInfo pODBC3SQLGetTypeInfo;
  36 T3SQLSetConnectAttr pODBC3SQLSetConnectAttr;
  37 T3SQLGetConnectAttr pODBC3SQLGetConnectAttr;
  38 T3SQLSetEnvAttr pODBC3SQLSetEnvAttr;
  39 T3SQLGetEnvAttr pODBC3SQLGetEnvAttr;
  40 T3SQLSetStmtAttr pODBC3SQLSetStmtAttr;
  41 T3SQLGetStmtAttr pODBC3SQLGetStmtAttr;
  42 T3SQLPrepare pODBC3SQLPrepare;
  43 T3SQLBindParameter pODBC3SQLBindParameter;
  44 T3SQLSetCursorName pODBC3SQLSetCursorName;
  45 T3SQLExecute pODBC3SQLExecute;
  46 T3SQLExecDirect pODBC3SQLExecDirect;
  47 T3SQLDescribeParam pODBC3SQLDescribeParam;
  48 T3SQLNumParams pODBC3SQLNumParams;
  49 T3SQLParamData pODBC3SQLParamData;
  50 T3SQLPutData pODBC3SQLPutData;
  51 T3SQLRowCount pODBC3SQLRowCount;
  52 T3SQLNumResultCols pODBC3SQLNumResultCols;
  53 T3SQLDescribeCol pODBC3SQLDescribeCol;
  54 T3SQLColAttribute pODBC3SQLColAttribute;
  55 T3SQLBindCol pODBC3SQLBindCol;
  56 T3SQLFetch pODBC3SQLFetch;
  57 T3SQLFetchScroll pODBC3SQLFetchScroll;
  58 T3SQLGetData pODBC3SQLGetData;
  59 T3SQLSetPos pODBC3SQLSetPos;
  60 T3SQLBulkOperations pODBC3SQLBulkOperations;
  61 T3SQLMoreResults pODBC3SQLMoreResults;
  62 T3SQLGetDiagRec pODBC3SQLGetDiagRec;
  63 T3SQLColumnPrivileges pODBC3SQLColumnPrivileges;
  64 T3SQLColumns pODBC3SQLColumns;
  65 T3SQLForeignKeys pODBC3SQLForeignKeys;
  66 T3SQLPrimaryKeys pODBC3SQLPrimaryKeys;
  67 T3SQLProcedureColumns pODBC3SQLProcedureColumns;
  68 T3SQLProcedures pODBC3SQLProcedures;
  69 T3SQLSpecialColumns pODBC3SQLSpecialColumns;
  70 T3SQLStatistics pODBC3SQLStatistics;
  71 T3SQLTablePrivileges pODBC3SQLTablePrivileges;
  72 T3SQLTables pODBC3SQLTables;
  73 T3SQLFreeStmt pODBC3SQLFreeStmt;
  74 T3SQLCloseCursor pODBC3SQLCloseCursor;
  75 T3SQLCancel pODBC3SQLCancel;
  76 T3SQLEndTran pODBC3SQLEndTran;
  77 T3SQLDisconnect pODBC3SQLDisconnect;
  78 T3SQLFreeHandle pODBC3SQLFreeHandle;
  79 T3SQLGetCursorName pODBC3SQLGetCursorName;
  80 T3SQLNativeSql pODBC3SQLNativeSql;
  81
  82 static bool LoadFunctions(oslModule pODBCso);
  83
  84 // Take care of Dynamically loading of the DLL/shared lib and Addresses:
  85 // Returns sal_True at success
  86 bool LoadLibrary_ODBC3(OUString &_rPath)
  87 {
  88     static bool bLoaded = false;
  89     static oslModule pODBCso = nullptr;
  90
  91     if (bLoaded)
  92         return true;
  93 #ifndef DISABLE_DYNLOADING
  94 #ifdef _WIN32
  95     _rPath = "ODBC32.DLL";
  96 #endif
  97 #ifdef UNX
  98  #ifdef MACOSX
  99     _rPath = "libiodbc.dylib";
 100  #else
 101     _rPath = "libodbc.so.1";
 102     pODBCso = osl_loadModule( _rPath.pData,SAL_LOADMODULE_NOW );
 103     if ( !pODBCso )
 104         _rPath = "libodbc.so";
 105  #endif   /* MACOSX */
 106 #endif
 107
 108     if ( !pODBCso )
 109         pODBCso = osl_loadModule( _rPath.pData,SAL_LOADMODULE_NOW );
 110 #endif
 111     if( !pODBCso)
 112         return false;
 113
 114     return bLoaded = LoadFunctions(pODBCso);
 115 }
 116
 117
 118 bool LoadFunctions(oslModule pODBCso)
 119 {
 120
 121     if( ( pODBC3SQLAllocHandle  =   reinterpret_cast<T3SQLAllocHandle>(osl_getFunctionSymbol(pODBCso, OUString("SQLAllocHandle").pData ))) == nullptr )
 122         return false;
 123     if( ( pODBC3SQLConnect      =   reinterpret_cast<T3SQLConnect>(osl_getFunctionSymbol(pODBCso, OUString("SQLConnect").pData ))) == nullptr )
 124         return false;
 125     if( ( pODBC3SQLDriverConnect =  reinterpret_cast<T3SQLDriverConnect>(osl_getFunctionSymbol(pODBCso, OUString("SQLDriverConnect").pData ))) == nullptr )
 126         return false;
 127     if( ( pODBC3SQLBrowseConnect =  reinterpret_cast<T3SQLBrowseConnect>(osl_getFunctionSymbol(pODBCso, OUString("SQLBrowseConnect").pData ))) == nullptr )
 128         return false;
 129     if(( pODBC3SQLDataSources   =   reinterpret_cast<T3SQLDataSources>(osl_getFunctionSymbol(pODBCso, OUString("SQLDataSources").pData ))) == nullptr )
 130         return false;
 131     if(( pODBC3SQLDrivers       =   reinterpret_cast<T3SQLDrivers>(osl_getFunctionSymbol(pODBCso, OUString("SQLDrivers").pData ))) == nullptr )
 132         return false;
 133     if( ( pODBC3SQLGetInfo      =   reinterpret_cast<T3SQLGetInfo>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetInfo").pData ))) == nullptr )
 134         return false;
 135     if(( pODBC3SQLGetFunctions  =   reinterpret_cast<T3SQLGetFunctions>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetFunctions").pData ))) == nullptr )
 136         return false;
 137     if( ( pODBC3SQLGetTypeInfo  =   reinterpret_cast<T3SQLGetTypeInfo>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetTypeInfo").pData ))) == nullptr )
 138         return false;
 139     if( ( pODBC3SQLSetConnectAttr = reinterpret_cast<T3SQLSetConnectAttr>(osl_getFunctionSymbol(pODBCso, OUString("SQLSetConnectAttr").pData ))) == nullptr )
 140         return false;
 141     if( ( pODBC3SQLGetConnectAttr = reinterpret_cast<T3SQLGetConnectAttr>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetConnectAttr").pData ))) == nullptr )
 142         return false;
 143     if( ( pODBC3SQLSetEnvAttr   =   reinterpret_cast<T3SQLSetEnvAttr>(osl_getFunctionSymbol(pODBCso, OUString("SQLSetEnvAttr").pData ))) == nullptr )
 144         return false;
 145     if( ( pODBC3SQLGetEnvAttr   =   reinterpret_cast<T3SQLGetEnvAttr>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetEnvAttr").pData ))) == nullptr )
 146         return false;
 147     if( ( pODBC3SQLSetStmtAttr  =   reinterpret_cast<T3SQLSetStmtAttr>(osl_getFunctionSymbol(pODBCso, OUString("SQLSetStmtAttr").pData ))) == nullptr )
 148         return false;
 149     if( ( pODBC3SQLGetStmtAttr  =   reinterpret_cast<T3SQLGetStmtAttr>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetStmtAttr").pData ))) == nullptr )
 150         return false;
 151     if( ( pODBC3SQLPrepare      =   reinterpret_cast<T3SQLPrepare>(osl_getFunctionSymbol(pODBCso, OUString("SQLPrepare").pData ))) == nullptr )
 152         return false;
 153     if( ( pODBC3SQLBindParameter =  reinterpret_cast<T3SQLBindParameter>(osl_getFunctionSymbol(pODBCso, OUString("SQLBindParameter").pData ))) == nullptr )
 154         return false;
 155     if( ( pODBC3SQLSetCursorName =  reinterpret_cast<T3SQLSetCursorName>(osl_getFunctionSymbol(pODBCso, OUString("SQLSetCursorName").pData ))) == nullptr )
 156         return false;
 157     if( ( pODBC3SQLExecute      =   reinterpret_cast<T3SQLExecute>(osl_getFunctionSymbol(pODBCso, OUString("SQLExecute").pData ))) == nullptr )
 158         return false;
 159     if( ( pODBC3SQLExecDirect   =   reinterpret_cast<T3SQLExecDirect>(osl_getFunctionSymbol(pODBCso, OUString("SQLExecDirect").pData ))) == nullptr )
 160         return false;
 161     if( ( pODBC3SQLDescribeParam =  reinterpret_cast<T3SQLDescribeParam>(osl_getFunctionSymbol(pODBCso, OUString("SQLDescribeParam").pData ))) == nullptr )
 162         return false;
 163     if( ( pODBC3SQLNumParams    =   reinterpret_cast<T3SQLNumParams>(osl_getFunctionSymbol(pODBCso, OUString("SQLNumParams").pData ))) == nullptr )
 164         return false;
 165     if( ( pODBC3SQLParamData    =   reinterpret_cast<T3SQLParamData>(osl_getFunctionSymbol(pODBCso, OUString("SQLParamData").pData ))) == nullptr )
 166         return false;
 167     if( ( pODBC3SQLPutData      =   reinterpret_cast<T3SQLPutData>(osl_getFunctionSymbol(pODBCso, OUString("SQLPutData").pData ))) == nullptr )
 168         return false;
 169     if( ( pODBC3SQLRowCount     =   reinterpret_cast<T3SQLRowCount>(osl_getFunctionSymbol(pODBCso, OUString("SQLRowCount").pData ))) == nullptr )
 170         return false;
 171     if( ( pODBC3SQLNumResultCols =  reinterpret_cast<T3SQLNumResultCols>(osl_getFunctionSymbol(pODBCso, OUString("SQLNumResultCols").pData ))) == nullptr )
 172         return false;
 173     if( ( pODBC3SQLDescribeCol  =   reinterpret_cast<T3SQLDescribeCol>(osl_getFunctionSymbol(pODBCso, OUString("SQLDescribeCol").pData ))) == nullptr )
 174         return false;
 175     if( ( pODBC3SQLColAttribute =   reinterpret_cast<T3SQLColAttribute>(osl_getFunctionSymbol(pODBCso, OUString("SQLColAttribute").pData ))) == nullptr )
 176         return false;
 177     if( ( pODBC3SQLBindCol      =   reinterpret_cast<T3SQLBindCol>(osl_getFunctionSymbol(pODBCso, OUString("SQLBindCol").pData ))) == nullptr )
 178         return false;
 179     if( ( pODBC3SQLFetch        =   reinterpret_cast<T3SQLFetch>(osl_getFunctionSymbol(pODBCso, OUString("SQLFetch").pData ))) == nullptr )
 180         return false;
 181     if( ( pODBC3SQLFetchScroll  =   reinterpret_cast<T3SQLFetchScroll>(osl_getFunctionSymbol(pODBCso, OUString("SQLFetchScroll").pData ))) == nullptr )
 182         return false;
 183     if( ( pODBC3SQLGetData      =   reinterpret_cast<T3SQLGetData>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetData").pData ))) == nullptr )
 184         return false;
 185     if( ( pODBC3SQLSetPos       =   reinterpret_cast<T3SQLSetPos>(osl_getFunctionSymbol(pODBCso, OUString("SQLSetPos").pData ))) == nullptr )
 186         return false;
 187     if( ( pODBC3SQLBulkOperations = reinterpret_cast<T3SQLBulkOperations>(osl_getFunctionSymbol(pODBCso, OUString("SQLBulkOperations").pData ))) == nullptr )
 188         return false;
 189     if( ( pODBC3SQLMoreResults  =   reinterpret_cast<T3SQLMoreResults>(osl_getFunctionSymbol(pODBCso, OUString("SQLMoreResults").pData ))) == nullptr )
 190         return false;
 191     if( ( pODBC3SQLGetDiagRec   =   reinterpret_cast<T3SQLGetDiagRec>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetDiagRec").pData ))) == nullptr )
 192         return false;
 193     if( ( pODBC3SQLColumnPrivileges = reinterpret_cast<T3SQLColumnPrivileges>(osl_getFunctionSymbol(pODBCso, OUString("SQLColumnPrivileges").pData ))) == nullptr )
 194         return false;
 195     if( ( pODBC3SQLColumns      =   reinterpret_cast<T3SQLColumns>(osl_getFunctionSymbol(pODBCso, OUString("SQLColumns").pData ))) == nullptr )
 196         return false;
 197     if( ( pODBC3SQLForeignKeys  =   reinterpret_cast<T3SQLForeignKeys>(osl_getFunctionSymbol(pODBCso, OUString("SQLForeignKeys").pData ))) == nullptr )
 198         return false;
 199     if( ( pODBC3SQLPrimaryKeys  =   reinterpret_cast<T3SQLPrimaryKeys>(osl_getFunctionSymbol(pODBCso, OUString("SQLPrimaryKeys").pData ))) == nullptr )
 200         return false;
 201     if( ( pODBC3SQLProcedureColumns = reinterpret_cast<T3SQLProcedureColumns>(osl_getFunctionSymbol(pODBCso, OUString("SQLProcedureColumns").pData ))) == nullptr )
 202         return false;
 203     if( ( pODBC3SQLProcedures   =   reinterpret_cast<T3SQLProcedures>(osl_getFunctionSymbol(pODBCso, OUString("SQLProcedures").pData ))) == nullptr )
 204         return false;
 205     if( ( pODBC3SQLSpecialColumns = reinterpret_cast<T3SQLSpecialColumns>(osl_getFunctionSymbol(pODBCso, OUString("SQLSpecialColumns").pData ))) == nullptr )
 206         return false;
 207     if( ( pODBC3SQLStatistics   =   reinterpret_cast<T3SQLStatistics>(osl_getFunctionSymbol(pODBCso, OUString("SQLStatistics").pData ))) == nullptr )
 208         return false;
 209     if( ( pODBC3SQLTablePrivileges = reinterpret_cast<T3SQLTablePrivileges>(osl_getFunctionSymbol(pODBCso, OUString("SQLTablePrivileges").pData ))) == nullptr )
 210         return false;
 211     if( ( pODBC3SQLTables       =   reinterpret_cast<T3SQLTables>(osl_getFunctionSymbol(pODBCso, OUString("SQLTables").pData ))) == nullptr )
 212         return false;
 213     if( ( pODBC3SQLFreeStmt     =   reinterpret_cast<T3SQLFreeStmt>(osl_getFunctionSymbol(pODBCso, OUString("SQLFreeStmt").pData ))) == nullptr )
 214         return false;
 215     if( ( pODBC3SQLCloseCursor  =   reinterpret_cast<T3SQLCloseCursor>(osl_getFunctionSymbol(pODBCso, OUString("SQLCloseCursor").pData ))) == nullptr )
 216         return false;
 217     if( ( pODBC3SQLCancel       =   reinterpret_cast<T3SQLCancel>(osl_getFunctionSymbol(pODBCso, OUString("SQLCancel").pData ))) == nullptr )
 218         return false;
 219     if( ( pODBC3SQLEndTran      =   reinterpret_cast<T3SQLEndTran>(osl_getFunctionSymbol(pODBCso, OUString("SQLEndTran").pData ))) == nullptr )
 220         return false;
 221     if( ( pODBC3SQLDisconnect   =   reinterpret_cast<T3SQLDisconnect>(osl_getFunctionSymbol(pODBCso, OUString("SQLDisconnect").pData ))) == nullptr )
 222         return false;
 223     if( ( pODBC3SQLFreeHandle   =   reinterpret_cast<T3SQLFreeHandle>(osl_getFunctionSymbol(pODBCso, OUString("SQLFreeHandle").pData ))) == nullptr )
 224         return false;
 225     if( ( pODBC3SQLGetCursorName =  reinterpret_cast<T3SQLGetCursorName>(osl_getFunctionSymbol(pODBCso, OUString("SQLGetCursorName").pData ))) == nullptr )
 226         return false;
 227     if( ( pODBC3SQLNativeSql    =   reinterpret_cast<T3SQLNativeSql>(osl_getFunctionSymbol(pODBCso, OUString("SQLNativeSql").pData ))) == nullptr )
 228         return false;
 229
 230     return true;
 231 }
 232
 233
 234 }
 235
 236
 237 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */