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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: SQLGetDescFieldW.c,v 1.1.1.1 2001/10/17 16:40:05 lurcher Exp $
*
* $Log: SQLGetDescFieldW.c,v $
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.4 2001/07/03 09:30:41 nick
*
* Add ability to alter size of displayed message in the log
*
* Revision 1.3 2001/04/17 16:29:39 nick
*
* More checks and autotest fixes
*
* 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 "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLGetDescFieldW.c,v $";
SQLRETURN SQLGetDescFieldW( SQLHDESC descriptor_handle,
SQLSMALLINT rec_number,
SQLSMALLINT field_identifier,
SQLPOINTER value,
SQLINTEGER buffer_length,
SQLINTEGER *string_length )
{
/*
* not quite sure how the descriptor can be
* allocated to a statement, all the documentation talks
* about state transitions on statement states, but the
* descriptor may be allocated with more than one statement
* at one time. Which one should I check ?
*/
DMHDESC descriptor = (DMHDESC) descriptor_handle;
SQLRETURN ret;
SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
/*
* check descriptor
*/
if ( !__validate_desc( descriptor ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: SQL_INVALID_HANDLE" );
return SQL_INVALID_HANDLE;
}
function_entry( descriptor );
if ( log_info.log_flag )
{
sprintf( descriptor -> msg, "\n\t\tEntry:\
\n\t\t\tDescriptor = %p\
\n\t\t\tRec Number = %d\
\n\t\t\tField Attr = %s\
\n\t\t\tValue = %p\
\n\t\t\tBuffer Length = %d\
\n\t\t\tStrLen = %p",
descriptor,
rec_number,
__desc_attr_as_string( s1, field_identifier ),
value,
(int)buffer_length,
(void*)string_length );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
descriptor -> msg );
}
thread_protect( SQL_HANDLE_DESC, descriptor );
if ( descriptor -> connection -> state < STATE_C4 )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY010" );
__post_internal_error( &descriptor -> error,
ERROR_HY010, NULL,
descriptor -> connection -> environment -> requested_version );
thread_release( SQL_HANDLE_DESC, descriptor );
return function_return( descriptor, SQL_ERROR );
}
if ( descriptor -> connection -> unicode_driver )
{
if ( !CHECK_SQLGETDESCFIELDW( descriptor -> connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &descriptor -> error,
ERROR_IM001, NULL,
descriptor -> connection -> environment -> requested_version );
thread_release( SQL_HANDLE_DESC, descriptor );
return function_return( descriptor, SQL_ERROR );
}
ret = SQLGETDESCFIELDW( descriptor -> connection,
descriptor -> driver_desc,
rec_number,
field_identifier,
value,
buffer_length,
string_length );
}
else
{
if ( !CHECK_SQLGETDESCFIELD( descriptor -> connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &descriptor -> error,
ERROR_IM001, NULL,
descriptor -> connection -> environment -> requested_version );
thread_release( SQL_HANDLE_DESC, descriptor );
return function_return( descriptor, SQL_ERROR );
}
ret = SQLGETDESCFIELD( descriptor -> connection,
descriptor -> driver_desc,
rec_number,
field_identifier,
value,
buffer_length,
string_length );
if ( SQL_SUCCEEDED( ret ) && value )
{
switch( field_identifier )
{
case SQL_DESC_BASE_COLUMN_NAME:
case SQL_DESC_BASE_TABLE_NAME:
case SQL_DESC_CATALOG_NAME:
case SQL_DESC_LABEL:
case SQL_DESC_LITERAL_PREFIX:
case SQL_DESC_LITERAL_SUFFIX:
case SQL_DESC_LOCAL_TYPE_NAME:
case SQL_DESC_NAME:
case SQL_DESC_SCHEMA_NAME:
case SQL_DESC_TABLE_NAME:
case SQL_DESC_TYPE_NAME:
ansi_to_unicode_in_place( value, SQL_NTS );
break;
}
}
}
if ( log_info.log_flag )
{
sprintf( descriptor -> msg,
"\n\t\tExit:[%s]",
__get_return_status( ret ));
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
descriptor -> msg );
}
thread_release( SQL_HANDLE_DESC, descriptor );
return function_return( descriptor, ret );
}
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