/* * hdesc.h * * $Id: hdesc.h,v 1.1.1.1 2002/04/08 22:48:10 miner Exp $ * * Descriptor object * * The iODBC driver manager. * * Copyright (C) 1995 by Ke Jin <kejin@empress.com> * Copyright (C) 1996-2002 by OpenLink Software <iodbc@openlinksw.com> * All Rights Reserved. * * This software is released under the terms of either of the following * licenses: * * - GNU Library General Public License (see LICENSE.LGPL) * - The BSD License (see LICENSE.BSD). * * While not mandated by the BSD license, any patches you make to the * iODBC source code may be contributed back into the iODBC project * at your discretion. Contributions will benefit the Open Source and * Data Access community as a whole. Submissions may be made at: * * http://www.iodbc.org * * * GNU Library Generic Public License Version 2 * ============================================ * 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. * * * The BSD License * =============== * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of OpenLink Software Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL OPENLINK OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __DESC_H #define __DESC_H #define APP_ROW_DESC 0 #define APP_PARAM_DESC 1 #define IMP_ROW_DESC 2 #define IMP_PARAM_DESC 3 typedef struct DESC_s { int type; HERR herr; /* list of descriptor errors */ SQLRETURN rc; struct DESC_s *next; SQLHDBC hdbc; /* connection associated with the descriptor */ SQLHDESC dhdesc; /* the driver's desc handle */ HSTMT hstmt; /* if not null - the descriptor is implicit to that statement */ SWORD desc_cip; /* Call in Progess flag */ SQLUSMALLINT err_rec; } DESC_t; #ifndef HDESC #define HDESC SQLHDESC #endif #define IS_VALID_HDESC(x) \ ((x) != SQL_NULL_HDESC && \ ((DESC_t FAR *)(x))->type == SQL_HANDLE_DESC && \ ((DESC_t FAR *)(x))->hdbc != SQL_NULL_HDBC) #define ENTER_HDESC(pdesc) \ ODBC_LOCK();\ if (!IS_VALID_HDESC (pdesc)) \ { \ ODBC_UNLOCK (); \ return SQL_INVALID_HANDLE; \ } \ else if (pdesc->desc_cip) \ { \ PUSHSQLERR (pdesc->herr, en_S1010); \ ODBC_UNLOCK(); \ return SQL_ERROR; \ } \ pdesc->desc_cip = 1; \ CLEAR_ERRORS (pdesc); \ ODBC_UNLOCK(); #define LEAVE_HDESC(pdesc, err) \ pdesc->desc_cip = 0; \ return (err); #endif /* __DESC_H */