unixodbc/DriverManager/SQLNativeSql.c

395 lines
11 KiB
C

/*********************************************************************
*
* 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: SQLNativeSql.c,v 1.9 2009/02/18 17:59:08 lurcher Exp $
*
* $Log: SQLNativeSql.c,v $
* Revision 1.9 2009/02/18 17:59:08 lurcher
* Shift to using config.h, the compile lines were making it hard to spot warnings
*
* Revision 1.8 2008/09/29 14:02:45 lurcher
* Fix missing dlfcn group option
*
* Revision 1.7 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 1.6 2003/02/27 12:19:39 lurcher
*
* Add the A functions as well as the W
*
* Revision 1.5 2002/12/05 17:44:31 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.4 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 1.3 2002/07/24 08:49:52 lurcher
*
* Alter UNICODE support to use iconv for UNICODE-ANSI conversion
*
* 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 16:40:06 lurcher
*
* First upload to SourceForge
*
* Revision 1.4 2001/04/12 17:43:36 nick
*
* Change logging and added autotest to odbctest
*
* Revision 1.3 2001/01/02 09:55:04 nick
*
* More unicode bits
*
* Revision 1.2 2000/12/31 20:30:54 nick
*
* Add UNICODE support
*
* Revision 1.1.1.1 2000/09/04 16:42:52 nick
* Imported Sources
*
* Revision 1.7 1999/11/13 23:41:00 ngorham
*
* Alter the way DM logging works
* Upgrade the Postgres driver to 6.4.6
*
* 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 21:05:08 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 13:41:08 sShandyb
* first go at it
*
* Revision 1.1.1.1 1999/05/27 18:23:18 pharvey
* Imported sources
*
* Revision 1.3 1999/04/30 16:22:47 nick
* Another checkpoint
*
* Revision 1.2 1999/04/29 21:40:58 nick
* End of another night :-)
*
* Revision 1.1 1999/04/25 23:06:11 nick
* Initial revision
*
*
**********************************************************************/
#include <config.h>
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLNativeSql.c,v $ $Revision: 1.9 $";
SQLRETURN SQLNativeSqlA(
SQLHDBC hdbc,
SQLCHAR *sz_sql_str_in,
SQLINTEGER cb_sql_str_in,
SQLCHAR *sz_sql_str,
SQLINTEGER cb_sql_str_max,
SQLINTEGER *pcb_sql_str )
{
return SQLNativeSql( hdbc,
sz_sql_str_in,
cb_sql_str_in,
sz_sql_str,
cb_sql_str_max,
pcb_sql_str );
}
SQLRETURN SQLNativeSql(
SQLHDBC hdbc,
SQLCHAR *sz_sql_str_in,
SQLINTEGER cb_sql_str_in,
SQLCHAR *sz_sql_str,
SQLINTEGER cb_sql_str_max,
SQLINTEGER *pcb_sql_str )
{
DMHDBC connection = (DMHDBC)hdbc;
SQLRETURN ret;
SQLCHAR *s1;
SQLCHAR s2[ 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 )
{
/*
* allocate some space for the buffer
*/
if ( sz_sql_str_in && cb_sql_str_in == SQL_NTS )
{
s1 = malloc( strlen((char*) sz_sql_str_in ) + 100 );
}
else if ( sz_sql_str_in )
{
s1 = malloc( cb_sql_str_in + 100 );
}
else
{
s1 = malloc( 101 );
}
sprintf( connection -> msg, "\n\t\tEntry:\
\n\t\t\tConnection = %p\
\n\t\t\tSQL In = %s\
\n\t\t\tSQL Out = %p\
\n\t\t\tSQL Out Len = %d\
\n\t\t\tSQL Len Ptr = %p",
connection,
__string_with_length( s1, sz_sql_str_in, cb_sql_str_in ),
sz_sql_str,
(int)cb_sql_str_max,
pcb_sql_str );
free( s1 );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
connection -> msg );
}
thread_protect( SQL_HANDLE_DBC, connection );
if ( !sz_sql_str_in )
{
__post_internal_error( &connection -> error,
ERROR_HY009, NULL,
connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
if ( cb_sql_str_in < 0 &&
cb_sql_str_in != SQL_NTS )
{
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_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
if ( sz_sql_str &&
cb_sql_str_max < 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_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
if ( connection -> state == STATE_C2 ||
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_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
if ( connection -> unicode_driver )
{
SQLWCHAR *s1, *s2 = NULL;
if ( !CHECK_SQLNATIVESQLW( 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_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
s1 = ansi_to_unicode_alloc( sz_sql_str_in, cb_sql_str_in, connection, NULL );
if ( sz_sql_str && cb_sql_str_max > 0 )
{
s2 = malloc( sizeof( SQLWCHAR ) * ( cb_sql_str_max + 1 ));
}
ret = SQLNATIVESQLW( connection,
connection -> driver_dbc,
s1,
cb_sql_str_in,
s2,
cb_sql_str_max,
pcb_sql_str );
if ( SQL_SUCCEEDED( ret ) && s2 && sz_sql_str )
{
unicode_to_ansi_copy((char*) sz_sql_str, cb_sql_str_max, s2, SQL_NTS, connection, NULL );
}
if ( s1 )
free( s1 );
if ( s2 )
free( s2 );
}
else
{
if ( !CHECK_SQLNATIVESQL( 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_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
}
ret = SQLNATIVESQL( connection,
connection -> driver_dbc,
sz_sql_str_in,
cb_sql_str_in,
sz_sql_str,
cb_sql_str_max,
pcb_sql_str );
}
if ( log_info.log_flag )
{
/*
* allocate some space for the buffer
*/
if ( sz_sql_str && pcb_sql_str && *pcb_sql_str == SQL_NTS )
{
s1 = malloc( strlen((char*) sz_sql_str ) + 100 );
}
else if ( sz_sql_str && pcb_sql_str )
{
s1 = malloc( *pcb_sql_str + 100 );
}
else if ( sz_sql_str )
{
s1 = malloc( strlen((char*) sz_sql_str ) + 100 );
}
else
{
s1 = malloc( 101 );
}
sprintf( connection -> msg,
"\n\t\tExit:[%s]\
\n\t\t\tSQL Out = %s",
__get_return_status( ret, s2 ),
__idata_as_string( s1, SQL_CHAR,
pcb_sql_str, sz_sql_str ));
free( s1 );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
connection -> msg );
}
return function_return( SQL_HANDLE_DBC, connection, ret );
}