389 lines
11 KiB
C
389 lines
11 KiB
C
/*********************************************************************
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*
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* This is based on code created by Peter Harvey,
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* (pharvey@codebydesign.com).
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*
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* Modified and extended by Nick Gorham
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* (nick@lurcher.org).
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*
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* Any bugs or problems should be considered the fault of Nick and not
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* Peter.
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*
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* copyright (c) 1999 Nick Gorham
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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**********************************************************************
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*
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* $Id: SQLSetEnvAttr.c,v 1.9 2009/02/18 17:59:08 lurcher Exp $
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*
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* $Log: SQLSetEnvAttr.c,v $
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* Revision 1.9 2009/02/18 17:59:08 lurcher
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* Shift to using config.h, the compile lines were making it hard to spot warnings
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*
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* Revision 1.8 2009/02/17 09:47:44 lurcher
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* Clear up a number of bugs
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*
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* Revision 1.7 2004/06/21 10:01:11 lurcher
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*
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* Fix a couple of 64 bit issues
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*
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* Revision 1.6 2003/10/30 18:20:46 lurcher
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*
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* Fix broken thread protection
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* Remove SQLNumResultCols after execute, lease S4/S% to driver
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* Fix string overrun in SQLDriverConnect
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* Add initial support for Interix
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*
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* Revision 1.5 2003/03/05 09:48:45 lurcher
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*
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* Add some 64 bit fixes
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*
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* Revision 1.4 2003/01/23 15:33:25 lurcher
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*
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* Fix problems with using putenv()
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*
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* Revision 1.3 2002/12/05 17:44:31 lurcher
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*
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* Display unknown return values in return logging
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*
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* Revision 1.2 2002/02/21 18:44:09 lurcher
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*
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* Fix bug on 32 bit platforms without long long support
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* Add option to set environment variables from the ini file
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*
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* Revision 1.1.1.1 2001/10/17 16:40:07 lurcher
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*
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* First upload to SourceForge
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*
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* Revision 1.5 2001/09/27 17:05:48 nick
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*
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* Assorted fixes and tweeks
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*
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* Revision 1.4 2001/07/03 09:30:41 nick
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*
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* Add ability to alter size of displayed message in the log
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*
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* Revision 1.3 2001/04/12 17:43:36 nick
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*
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* Change logging and added autotest to odbctest
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*
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* Revision 1.2 2000/12/14 18:10:19 nick
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*
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* Add connection pooling
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*
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* Revision 1.1.1.1 2000/09/04 16:42:52 nick
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* Imported Sources
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*
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* Revision 1.7 1999/11/13 23:41:01 ngorham
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*
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* Alter the way DM logging works
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* Upgrade the Postgres driver to 6.4.6
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*
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* Revision 1.6 1999/10/24 23:54:19 ngorham
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*
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* First part of the changes to the error reporting
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*
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* Revision 1.5 1999/09/21 22:34:25 ngorham
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*
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* Improve performance by removing unneeded logging calls when logging is
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* disabled
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*
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* Revision 1.4 1999/07/10 21:10:17 ngorham
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*
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* Adjust error sqlstate from driver manager, depending on requested
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* version (ODBC2/3)
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*
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* Revision 1.3 1999/07/04 21:05:08 ngorham
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*
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* Add LGPL Headers to code
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*
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* Revision 1.2 1999/06/30 23:56:55 ngorham
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*
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* Add initial thread safety code
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*
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* Revision 1.1.1.1 1999/05/29 13:41:08 sShandyb
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* first go at it
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*
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* Revision 1.1.1.1 1999/05/27 18:23:18 pharvey
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* Imported sources
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*
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* Revision 1.3 1999/05/09 23:27:11 nick
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* All the API done now
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*
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* Revision 1.2 1999/04/30 16:22:47 nick
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* Another checkpoint
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*
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* Revision 1.1 1999/04/25 23:06:11 nick
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* Initial revision
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*
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*
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**********************************************************************/
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#include <config.h>
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#include "drivermanager.h"
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static char const rcsid[]= "$RCSfile: SQLSetEnvAttr.c,v $ $Revision: 1.9 $";
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SQLRETURN SQLSetEnvAttr( SQLHENV environment_handle,
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SQLINTEGER attribute,
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SQLPOINTER value,
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SQLINTEGER string_length )
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{
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DMHENV environment = (DMHENV) environment_handle;
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SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
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/*
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* we may do someting with these later
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*/
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if ( !environment_handle &&
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( attribute == SQL_ATTR_CONNECTION_POOLING ||
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attribute == SQL_ATTR_CP_MATCH ))
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{
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return SQL_SUCCESS;
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}
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/*
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* check environment
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*/
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if ( !__validate_env( environment ))
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: SQL_INVALID_HANDLE" );
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return SQL_INVALID_HANDLE;
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}
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function_entry( environment );
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if ( log_info.log_flag )
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{
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sprintf( environment -> msg, "\n\t\tEntry:\
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\n\t\t\tEnvironment = %p\
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\n\t\t\tAttribute = %s\
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\n\t\t\tValue = %p\
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\n\t\t\tStrLen = %d",
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environment,
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__env_attr_as_string( s1, attribute ),
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value,
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(int)string_length );
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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environment -> msg );
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}
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thread_protect( SQL_HANDLE_ENV, environment );
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switch ( attribute )
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{
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case SQL_ATTR_CONNECTION_POOLING:
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{
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#ifdef HAVE_PTRDIFF_T
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SQLUINTEGER ptr = (ptrdiff_t) value;
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#else
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SQLUINTEGER ptr = (SQLUINTEGER) value;
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#endif
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if ( ptr != SQL_CP_OFF &&
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ptr != SQL_CP_ONE_PER_DRIVER &&
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ptr != SQL_CP_ONE_PER_HENV )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY024" );
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__post_internal_error( &environment -> error,
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ERROR_HY024, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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environment -> connection_pooling = ptr;
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}
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break;
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case SQL_ATTR_CP_MATCH:
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{
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#ifdef HAVE_PTRDIFF_T
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SQLUINTEGER ptr = (ptrdiff_t) value;
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#else
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SQLUINTEGER ptr = (SQLUINTEGER) value;
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#endif
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if ( ptr != SQL_CP_STRICT_MATCH &&
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ptr != SQL_CP_RELAXED_MATCH )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY024" );
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__post_internal_error( &environment -> error,
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ERROR_HY024, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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environment -> cp_match = ptr;
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}
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break;
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case SQL_ATTR_ODBC_VERSION:
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{
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#ifdef HAVE_PTRDIFF_T
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SQLUINTEGER ptr = (ptrdiff_t) value;
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#else
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SQLUINTEGER ptr = (SQLUINTEGER) value;
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#endif
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if ( ptr != SQL_OV_ODBC2 &&
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ptr != SQL_OV_ODBC3 &&
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ptr != SQL_OV_ODBC3_80 )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY024" );
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__post_internal_error( &environment -> error,
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ERROR_HY024, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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else
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{
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if ( environment -> connection_count > 0 )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: S1010" );
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__post_internal_error( &environment -> error,
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ERROR_S1010, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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environment -> requested_version = ptr;
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environment -> version_set = 1;
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}
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}
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break;
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case SQL_ATTR_OUTPUT_NTS:
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{
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#ifdef HAVE_PTRDIFF_T
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SQLUINTEGER ptr = (ptrdiff_t) value;
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#else
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SQLUINTEGER ptr = (SQLUINTEGER) value;
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#endif
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/*
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* this must be one of the most brain dead atribute,
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* it can be set, but only to TRUE, any other value
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* (ie FALSE) returns a error. It's almost as if it's not
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* settable :-)
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*/
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if ( ptr == SQL_FALSE )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HYC00" );
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__post_internal_error( &environment -> error,
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ERROR_HYC00, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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}
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break;
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/*
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* unixODBC additions
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*/
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case SQL_ATTR_UNIXODBC_ENVATTR:
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if ( value )
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{
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char *str = (char*) value;
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/*
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* its a memory leak, but not much I can do, see "man putenv"
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*/
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putenv( strdup( str ));
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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break;
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/*
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* Third party extensions
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*/
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case 1064: /* SQL_ATTR_APP_UNICODE_TYPE */
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break;
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default:
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY092" );
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__post_internal_error( &environment -> error,
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ERROR_HY092, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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if ( log_info.log_flag )
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{
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sprintf( environment -> msg,
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"\n\t\tExit:[%s]",
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__get_return_status( SQL_SUCCESS, s1 ));
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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environment -> msg );
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}
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_SUCCESS );
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}
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