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/*********************************************************************
*
* This is based on code created by Peter Harvey,
* (pharvey@codebydesign.com).
*
* Modified and extended by Nick Gorham
* (nick@easysoft.com).
*
* Any bugs or problems should be considered the fault of Nick and not
* Peter.
*
* copyright (c) 1999 Nick Gorham
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
**********************************************************************
*
* $Id: SQLGetInfo.c,v 1.7 2004/11/22 17:02:49 lurcher Exp $
*
* $Log: SQLGetInfo.c,v $
* Revision 1.7 2004/11/22 17:02:49 lurcher
* Fix unicode/ansi conversion in the SQLGet functions
*
* Revision 1.6 2003/10/30 18:20:46 lurcher
*
* Fix broken thread protection
* Remove SQLNumResultCols after execute, lease S4/S% to driver
* Fix string overrun in SQLDriverConnect
* Add initial support for Interix
*
* Revision 1.5 2003/03/05 09:48:44 lurcher
*
* Add some 64 bit fixes
*
* Revision 1.4 2003/02/27 12:19:39 lurcher
*
* Add the A functions as well as the W
*
* Revision 1.3 2002/12/05 17:44:31 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.2 2002/07/24 08:49:52 lurcher
*
* Alter UNICODE support to use iconv for UNICODE-ANSI conversion
*
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.9 2001/07/31 12:03:46 nick
*
* Fix how the DM gets the CLI year for SQLGetInfo
* Fix small bug in strncasecmp
*
* Revision 1.8 2001/07/03 09:30:41 nick
*
* Add ability to alter size of displayed message in the log
*
* Revision 1.7 2001/04/23 13:58:43 nick
*
* Assorted tweeks to text driver to get it to work with StarOffice
*
* Revision 1.6 2001/04/18 15:03:37 nick
*
* Fix problem when going to DB2 unicode driver
*
* Revision 1.5 2001/04/12 17:43:36 nick
*
* Change logging and added autotest to odbctest
*
* Revision 1.4 2001/01/12 19:43:12 nick
*
* Fixed UNICODE conversion bug in SQLGetInfo
*
* Revision 1.3 2000/12/31 20:30:54 nick
*
* Add UNICODE support
*
* Revision 1.2 2000/09/08 08:58:17 nick
*
* Add SQL_DRIVER_HDESC to SQLGetinfo
*
* Revision 1.1.1.1 2000/09/04 16:42:52 nick
* Imported Sources
*
* Revision 1.9 1999/11/13 23:40:59 ngorham
*
* Alter the way DM logging works
* Upgrade the Postgres driver to 6.4.6
*
* Revision 1.8 1999/11/10 03:51:34 ngorham
*
* Update the error reporting in the DM to enable ODBC 3 and 2 calls to
* work at the same time
*
* Revision 1.7 1999/10/29 21:07:40 ngorham
*
* Fix some stupid bugs in the DM
* Make the postgres driver work via unix sockets
*
* Revision 1.6 1999/10/24 23:54:18 ngorham
*
* First part of the changes to the error reporting
*
* Revision 1.5 1999/09/21 22:34:25 ngorham
*
* Improve performance by removing unneeded logging calls when logging is
* disabled
*
* Revision 1.4 1999/07/10 21:10:16 ngorham
*
* Adjust error sqlstate from driver manager, depending on requested
* version (ODBC2/3)
*
* Revision 1.3 1999/07/04 21:05:07 ngorham
*
* Add LGPL Headers to code
*
* Revision 1.2 1999/06/30 23:56:55 ngorham
*
* Add initial thread safety code
*
* Revision 1.1.1.1 1999/05/29 13:41:07 sShandyb
* first go at it
*
* Revision 1.1.1.1 1999/05/27 18:23:18 pharvey
* Imported sources
*
* Revision 1.2 1999/04/30 16:22:47 nick
* Another checkpoint
*
* Revision 1.1 1999/04/25 23:06:11 nick
* Initial revision
*
*
**********************************************************************/
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLGetInfo.c,v $ $Revision: 1.7 $";
SQLRETURN SQLGetInfoA( SQLHDBC connection_handle,
SQLUSMALLINT info_type,
SQLPOINTER info_value,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length )
{
return SQLGetInfo( connection_handle,
info_type,
info_value,
buffer_length,
string_length );
}
SQLRETURN SQLGetInfo( SQLHDBC connection_handle,
SQLUSMALLINT info_type,
SQLPOINTER info_value,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length )
{
DMHDBC connection = (DMHDBC)connection_handle;
SQLRETURN ret = SQL_SUCCESS;
int type;
char txt[ 30 ], *cptr;
SQLPOINTER *ptr;
SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
/*
* check connection
*/
if ( !__validate_dbc( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: SQL_INVALID_HANDLE" );
return SQL_INVALID_HANDLE;
}
function_entry( connection );
if ( log_info.log_flag )
{
sprintf( connection -> msg, "\n\t\tEntry:\
\n\t\t\tConnection = %p\
\n\t\t\tInfo Type = %s (%d)\
\n\t\t\tInfo Value = %p\
\n\t\t\tBuffer Length = %d\
\n\t\t\tStrLen = %p",
connection,
__info_as_string( s1, info_type ),
info_type,
info_value,
(int)buffer_length,
(void*)string_length );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
connection -> msg );
}
thread_protect( SQL_HANDLE_DBC, connection );
if ( info_type != SQL_ODBC_VER &&
connection -> state == STATE_C2 )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: 08003" );
__post_internal_error( &connection -> error,
ERROR_08003, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
else if ( connection -> state == STATE_C3 )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: 08003" );
__post_internal_error( &connection -> error,
ERROR_08003, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
if ( buffer_length < 0 )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY090" );
__post_internal_error( &connection -> error,
ERROR_HY090, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
switch ( info_type )
{
case SQL_DATA_SOURCE_NAME:
type = 1;
cptr = connection -> dsn;
break;
case SQL_DM_VER:
type = 1;
sprintf( txt, "%02d.%02d.%04d.%04d",
SQL_SPEC_MAJOR, SQL_SPEC_MINOR,
atoi( VERSION ), atoi( VERSION + 2 ));
cptr = txt;
break;
case SQL_ODBC_VER:
type = 1;
sprintf( txt, "%02d.%02d",
SQL_SPEC_MAJOR, SQL_SPEC_MINOR );
cptr = txt;
break;
case SQL_DRIVER_HDBC:
type = 2;
ptr = (SQLPOINTER) connection -> driver_dbc;
break;
case SQL_DRIVER_HENV:
type = 2;
ptr = (SQLPOINTER) connection -> driver_env;
break;
case SQL_DRIVER_HDESC:
{
DMHDESC hdesc = *((DMHDESC*) info_value);
type = 2;
if ( __validate_desc( hdesc ))
{
ptr = (SQLPOINTER) hdesc -> driver_desc;
}
else
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY024" );
__post_internal_error( &connection -> error,
ERROR_HY024, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
}
break;
case SQL_DRIVER_HLIB:
type = 2;
ptr = connection -> dl_handle;
break;
case SQL_DRIVER_HSTMT:
{
DMHSTMT hstmt = *((DMHSTMT*) info_value);
type = 2;
if ( __validate_stmt( hstmt ))
{
ptr = (SQLPOINTER) hstmt -> driver_stmt;
}
else
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY024" );
__post_internal_error( &connection -> error,
ERROR_HY024, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
}
break;
case SQL_XOPEN_CLI_YEAR:
type = 1;
cptr = connection -> cli_year;
break;
default:
/*
* pass all the others on
*/
if ( connection -> unicode_driver )
{
SQLWCHAR *s1 = NULL;
if ( !CHECK_SQLGETINFOW( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &connection -> error,
ERROR_IM001, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
switch( info_type )
{
case SQL_ACCESSIBLE_PROCEDURES:
case SQL_ACCESSIBLE_TABLES:
case SQL_CATALOG_NAME:
case SQL_CATALOG_NAME_SEPARATOR:
case SQL_CATALOG_TERM:
case SQL_COLLATION_SEQ:
case SQL_COLUMN_ALIAS:
case SQL_DATA_SOURCE_NAME:
case SQL_DATA_SOURCE_READ_ONLY:
case SQL_DATABASE_NAME:
case SQL_DBMS_NAME:
case SQL_DBMS_VER:
case SQL_DESCRIBE_PARAMETER:
case SQL_DRIVER_NAME:
case SQL_DRIVER_ODBC_VER:
case SQL_DRIVER_VER:
case SQL_ODBC_VER:
case SQL_EXPRESSIONS_IN_ORDERBY:
case SQL_IDENTIFIER_QUOTE_CHAR:
case SQL_INTEGRITY:
case SQL_KEYWORDS:
case SQL_LIKE_ESCAPE_CLAUSE:
case SQL_MAX_ROW_SIZE_INCLUDES_LONG:
case SQL_MULT_RESULT_SETS:
case SQL_MULTIPLE_ACTIVE_TXN:
case SQL_NEED_LONG_DATA_LEN:
case SQL_ORDER_BY_COLUMNS_IN_SELECT:
case SQL_PROCEDURE_TERM:
case SQL_PROCEDURES:
case SQL_ROW_UPDATES:
case SQL_SCHEMA_TERM:
case SQL_SEARCH_PATTERN_ESCAPE:
case SQL_SERVER_NAME:
case SQL_SPECIAL_CHARACTERS:
case SQL_TABLE_TERM:
case SQL_USER_NAME:
case SQL_XOPEN_CLI_YEAR:
case SQL_OUTER_JOINS:
if ( info_value && buffer_length > 0 )
{
s1 = malloc( sizeof( SQLWCHAR ) * ( buffer_length + 1 ));
}
break;
}
ret = SQLGETINFOW( connection,
connection -> driver_dbc,
info_type,
s1 ? s1 : info_value,
buffer_length,
string_length );
switch( info_type )
{
case SQL_ACCESSIBLE_PROCEDURES:
case SQL_ACCESSIBLE_TABLES:
case SQL_CATALOG_NAME:
case SQL_CATALOG_NAME_SEPARATOR:
case SQL_CATALOG_TERM:
case SQL_COLLATION_SEQ:
case SQL_COLUMN_ALIAS:
case SQL_DATA_SOURCE_NAME:
case SQL_DATA_SOURCE_READ_ONLY:
case SQL_DATABASE_NAME:
case SQL_DBMS_NAME:
case SQL_DBMS_VER:
case SQL_DESCRIBE_PARAMETER:
case SQL_DRIVER_NAME:
case SQL_DRIVER_ODBC_VER:
case SQL_DRIVER_VER:
case SQL_ODBC_VER:
case SQL_EXPRESSIONS_IN_ORDERBY:
case SQL_IDENTIFIER_QUOTE_CHAR:
case SQL_INTEGRITY:
case SQL_KEYWORDS:
case SQL_LIKE_ESCAPE_CLAUSE:
case SQL_MAX_ROW_SIZE_INCLUDES_LONG:
case SQL_MULT_RESULT_SETS:
case SQL_MULTIPLE_ACTIVE_TXN:
case SQL_NEED_LONG_DATA_LEN:
case SQL_ORDER_BY_COLUMNS_IN_SELECT:
case SQL_PROCEDURE_TERM:
case SQL_PROCEDURES:
case SQL_ROW_UPDATES:
case SQL_SCHEMA_TERM:
case SQL_SEARCH_PATTERN_ESCAPE:
case SQL_SERVER_NAME:
case SQL_SPECIAL_CHARACTERS:
case SQL_TABLE_TERM:
case SQL_USER_NAME:
case SQL_XOPEN_CLI_YEAR:
case SQL_OUTER_JOINS:
if ( SQL_SUCCEEDED( ret ) && info_value && s1 )
{
unicode_to_ansi_copy( info_value, s1, SQL_NTS, connection );
}
if ( SQL_SUCCEEDED( ret ) && string_length )
{
*string_length /= sizeof( SQL_WCHAR );
}
break;
}
if ( s1 )
{
free( s1 );
}
}
else
{
if ( !CHECK_SQLGETINFO( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &connection -> error,
ERROR_IM001, NULL,
connection -> environment -> requested_version );
return function_return( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
ret = SQLGETINFO( connection,
connection -> driver_dbc,
info_type,
info_value,
buffer_length,
string_length );
}
if ( log_info.log_flag )
{
sprintf( connection -> msg,
"\n\t\tExit:[%s]",
__get_return_status( ret, s1 ));
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
connection -> msg );
}
return function_return( SQL_HANDLE_DBC, connection, ret );
}
if ( type == 1 )
{
if ( string_length )
*string_length = strlen( cptr );
if ( info_value )
{
if ( buffer_length > strlen( cptr ) + 1 )
{
strcpy( info_value, cptr );
}
else
{
memcpy( info_value, cptr, buffer_length - 1 );
((char*)info_value)[ buffer_length - 1 ] = '\0';
ret = SQL_SUCCESS_WITH_INFO;
}
}
}
else if ( type == 2 )
{
if ( info_value )
*((void **)info_value) = ptr;
if ( string_length )
*string_length = sizeof( SQLPOINTER );
}
if ( log_info.log_flag )
{
sprintf( connection -> msg,
"\n\t\tExit:[%s]",
__get_return_status( ret, s1 ));
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
connection -> msg );
}
return function_return( SQL_HANDLE_DBC, connection, ret );
}
|
