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|
/*********************************************************************
*
* This is based on code created by Peter Harvey,
* (pharvey@codebydesign.com).
*
* Modified and extended by Nick Gorham
* (nick@lurcher.org).
*
* 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: SQLGetInfoW.c,v 1.14 2009/02/18 17:59:08 lurcher Exp $
*
* $Log: SQLGetInfoW.c,v $
* Revision 1.14 2009/02/18 17:59:08 lurcher
* Shift to using config.h, the compile lines were making it hard to spot warnings
*
* Revision 1.13 2008/08/29 08:01:39 lurcher
* Alter the way W functions are passed to the driver
*
* Revision 1.12 2007/02/28 15:37:48 lurcher
* deal with drivers that call internal W functions and end up in the driver manager. controlled by the --enable-handlemap configure arg
*
* Revision 1.11 2005/10/06 08:50:58 lurcher
* Fix problem with SQLDrivers not returning first entry
*
* Revision 1.10 2004/11/22 17:02:49 lurcher
* Fix unicode/ansi conversion in the SQLGet functions
*
* Revision 1.9 2004/11/20 13:21:38 lurcher
* Fix unicode bug in SQLGetInfoW
*
* Revision 1.8 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 1.7 2003/03/05 09:48:44 lurcher
*
* Add some 64 bit fixes
*
* Revision 1.6 2002/12/05 17:44:31 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.5 2002/08/23 09:42:37 lurcher
*
* Fix some build warnings with casts, and a AIX linker mod, to include
* deplib's on the link line, but not the libtool generated ones
*
* Revision 1.4 2002/07/24 08:49:52 lurcher
*
* Alter UNICODE support to use iconv for UNICODE-ANSI conversion
*
* Revision 1.3 2002/05/21 14:19:44 lurcher
*
* * Update libtool to escape from AIX build problem
* * Add fix to avoid file handle limitations
* * Add more UNICODE changes, it looks like it is native 16 representation
* the old way can be reproduced by defining UCS16BE
* * Add iusql, its just the same as isql but uses the wide functions
*
* Revision 1.2 2001/12/13 13:00:32 lurcher
*
* Remove most if not all warnings on 64 bit platforms
* Add support for new MS 3.52 64 bit changes
* Add override to disable the stopping of tracing
* Add MAX_ROWS support in postgres driver
*
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.3 2001/07/03 09:30:41 nick
*
* Add ability to alter size of displayed message in the log
*
* Revision 1.2 2001/04/12 17:43:36 nick
*
* Change logging and added autotest to odbctest
*
* Revision 1.1 2000/12/31 20:30:54 nick
*
* Add UNICODE support
*
*
**********************************************************************/
#include <config.h>
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLGetInfoW.c,v $";
SQLRETURN SQLGetInfoW( 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 ];
SQLUSMALLINT sval;
/*
* check connection
*/
if ( !__validate_dbc( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: SQL_INVALID_HANDLE" );
#ifdef WITH_HANDLE_REDIRECT
{
DMHDBC parent_connection;
parent_connection = find_parent_handle( connection, SQL_HANDLE_DBC );
if ( parent_connection ) {
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Info: found parent handle" );
if ( CHECK_SQLGETINFOW( parent_connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Info: calling redirected driver function" );
return SQLGETINFOW( parent_connection,
connection_handle,
info_type,
info_value,
buffer_length,
string_length );
}
}
}
#endif
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\
\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_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 &&
info_type != SQL_DM_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:
{
if ( info_value )
{
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:
{
if ( info_value )
{
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 = "1994";
break;
case SQL_ATTR_DRIVER_THREADING:
type = 3;
sval = connection -> threading_level;
break;
default:
/*
* pass all the others on
*/
if ( connection -> unicode_driver ||
CHECK_SQLGETINFOW( connection ))
{
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 );
}
ret = SQLGETINFOW( 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 );
}
}
else
{
SQLCHAR *as1 = NULL;
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 );
}
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 && buffer_length > 0 )
{
as1 = malloc( buffer_length + 1 );
}
break;
}
ret = SQLGETINFO( connection,
connection -> driver_dbc,
info_type,
as1 ? as1 : 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 && as1 )
{
ansi_to_unicode_copy( info_value, (char*) as1, SQL_NTS, connection );
}
if ( SQL_SUCCEEDED( ret ) && string_length )
{
*string_length *= sizeof( SQLWCHAR );
}
break;
}
if ( as1 ) free( as1 );
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 )
{
SQLWCHAR *s1;
int len;
s1 = ansi_to_unicode_alloc((SQLCHAR*) cptr, SQL_NTS, connection );
len = strlen( cptr ) * sizeof( SQLWCHAR );
if ( string_length )
*string_length = len;
if ( info_value )
{
if ( buffer_length > len + 1 )
{
wide_strcpy( info_value, s1 );
}
else
{
memcpy( info_value, s1, ( buffer_length - 1 * sizeof( SQLWCHAR )));
((SQLWCHAR*)info_value)[ buffer_length - 1 ] = '\0';
ret = SQL_SUCCESS_WITH_INFO;
}
}
if ( s1 )
free( s1 );
}
else if ( type == 2 )
{
if ( info_value )
*((void **)info_value) = ptr;
if ( string_length )
*string_length = sizeof( SQLPOINTER );
}
else if ( type == 3 )
{
if ( info_value )
*((SQLUSMALLINT *)info_value) = sval;
if ( string_length )
*string_length = sizeof( SQLUSMALLINT );
}
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 );
}
|
