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SQLGetDiagRec.c
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SQLGetDiagRec.c
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/*********************************************************************
*
* This is based on code created by Peter Harvey,
* ([email protected]).
*
* Modified and extended by Nick Gorham
* ([email protected]).
*
* 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: SQLGetDiagRec.c,v 1.21 2009/02/18 17:59:08 lurcher Exp $
*
* $Log: SQLGetDiagRec.c,v $
* Revision 1.21 2009/02/18 17:59:08 lurcher
* Shift to using config.h, the compile lines were making it hard to spot warnings
*
* Revision 1.20 2009/02/17 09:47:44 lurcher
* Clear up a number of bugs
*
* Revision 1.19 2009/02/04 09:30:02 lurcher
* Fix some SQLINTEGER/SQLLEN conflicts
*
* Revision 1.18 2008/09/29 14:02:45 lurcher
* Fix missing dlfcn group option
*
* Revision 1.17 2008/05/20 13:43:47 lurcher
* Vms fixes
*
* Revision 1.16 2007/02/12 11:49:34 lurcher
* Add QT4 support to existing GUI parts
*
* Revision 1.15 2006/11/27 14:08:34 lurcher
* Sync up dirs
*
* Revision 1.14 2006/05/31 17:35:34 lurcher
* Add unicode ODBCINST entry points
*
* Revision 1.13 2006/04/24 08:42:10 lurcher
* Handle resetting statement descriptors to implicit values, by passing in NULL or the implicit descrptor to SQLSetStmtAttr with the attribute SQL_ATTR_APP_PARAM_DESC or SQL_ATTR_APP_ROW_DESC. Also catch trying to call SQLGetDescField on a closed connection
*
* Revision 1.12 2005/12/19 18:43:26 lurcher
* Add new parts to contrib and alter how the errors are returned from the driver
*
* Revision 1.11 2003/02/27 12:19:39 lurcher
*
* Add the A functions as well as the W
*
* Revision 1.10 2003/02/25 13:28:30 lurcher
*
* Allow errors on the drivers AllocHandle to be reported
* Fix a problem that caused errors to not be reported in the log
* Remove a redundant line from the spec file
*
* Revision 1.9 2002/12/05 17:44:31 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.8 2002/11/13 15:59:20 lurcher
*
* More VMS changes
*
* Revision 1.7 2002/11/11 17:10:15 lurcher
*
* VMS changes
*
* Revision 1.6 2002/10/14 09:46:10 lurcher
*
* Remove extra return
*
* Revision 1.5 2002/10/08 13:36:07 lurcher
*
* Fix memory leak
*
* 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 16:40:05 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 2001/04/12 17:43:36 nick
*
* Change logging and added autotest to odbctest
*
* 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 1.11 2000/06/23 16:11:38 ngorham
*
* Map ODBC 2 SQLSTATE values to ODBC 3
*
* Revision 1.10 1999/12/01 09:20:07 ngorham
*
* Fix some threading problems
*
* Revision 1.9 1999/11/17 21:08:58 ngorham
*
* Fix Bug with the ODBC 3 error handling
*
* Revision 1.8 1999/11/13 23:40:59 ngorham
*
* Alter the way DM logging works
* Upgrade the Postgres driver to 6.4.6
*
* Revision 1.7 1999/11/10 22:15:48 ngorham
*
* Fix some bugs with the DM and error reporting.
*
* Revision 1.6 1999/11/10 03:51:33 ngorham
*
* Update the error reporting in the DM to enable ODBC 3 and 2 calls to
* work at the same time
*
* Revision 1.5 1999/09/21 22:34:25 ngorham
*
* Improve performance by removing unneeded logging calls when logging is
* disabled
*
* Revision 1.4 1999/07/14 19:46:04 ngorham
*
* Fix the error logging when SQLError or SQLGetDiagRec returns SQL_NO_DATA
*
* 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 18:23:17 pharvey
* Imported sources
*
* Revision 1.1 1999/04/30 16:22:47 nick
* Another checkpoint
*
*
**********************************************************************/
#include <config.h>
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLGetDiagRec.c,v $ $Revision: 1.21 $";
int __is_env( EHEAD * head )
{
int type;
memcpy( &type, head -> owning_handle, sizeof( type ));
return type == HENV_MAGIC;
}
DMHDBC __get_connection( EHEAD * head )
{
int type;
memcpy( &type, head -> owning_handle, sizeof( type ));
switch ( type )
{
case HDBC_MAGIC:
{
DMHDBC connection = ( DMHDBC ) head -> owning_handle;
return connection;
}
case HSTMT_MAGIC:
{
DMHSTMT statement = ( DMHSTMT ) head -> owning_handle;
return statement -> connection;
}
case HDESC_MAGIC:
{
DMHDESC descriptor = ( DMHDESC ) head -> owning_handle;
return descriptor -> connection;
}
}
return NULL;
}
int __get_version( EHEAD * head )
{
int type;
memcpy( &type, head -> owning_handle, sizeof( type ));
switch ( type )
{
case HENV_MAGIC:
{
DMHENV environment = ( DMHENV ) head -> owning_handle;
return environment -> requested_version;
}
case HDBC_MAGIC:
{
DMHDBC connection = ( DMHDBC ) head -> owning_handle;
return connection -> environment -> requested_version;
}
case HSTMT_MAGIC:
{
DMHSTMT statement = ( DMHSTMT ) head -> owning_handle;
return statement -> connection -> environment -> requested_version;
}
case HDESC_MAGIC:
{
DMHDESC descriptor = ( DMHDESC ) head -> owning_handle;
return descriptor -> connection -> environment -> requested_version;
}
}
return 0;
}
DRV_SQLHANDLE __get_driver_handle( EHEAD * head )
{
int type;
memcpy( &type, head -> owning_handle, sizeof( type ));
switch ( type )
{
case HDBC_MAGIC:
{
DMHDBC connection = ( DMHDBC ) head -> owning_handle;
return connection -> driver_dbc;
}
case HSTMT_MAGIC:
{
DMHSTMT statement = ( DMHSTMT ) head -> owning_handle;
return statement -> driver_stmt;
}
case HDESC_MAGIC:
{
DMHDESC descriptor = ( DMHDESC ) head -> owning_handle;
return descriptor -> driver_desc;
}
}
return ( SQLHANDLE ) 0;
}
static SQLRETURN extract_sql_error_rec( EHEAD *head,
SQLCHAR *sqlstate,
SQLINTEGER rec_number,
SQLINTEGER *native_error,
SQLCHAR *message_text,
SQLSMALLINT buffer_length,
SQLSMALLINT *text_length )
{
SQLRETURN ret;
if ( sqlstate )
strcpy((char*) sqlstate, "00000" );
if ( rec_number <= head -> sql_diag_head.internal_count )
{
ERROR *ptr;
SQLCHAR *as1 = NULL;
ptr = head -> sql_diag_head.internal_list_head;
while( rec_number > 1 )
{
ptr = ptr -> next;
rec_number --;
}
if ( !ptr )
{
return SQL_NO_DATA;
}
as1 = (SQLCHAR*) unicode_to_ansi_alloc( ptr -> msg, SQL_NTS, __get_connection( head ), NULL );
if ( sqlstate )
{
unicode_to_ansi_copy((char*) sqlstate, 6, ptr -> sqlstate, SQL_NTS, __get_connection( head ), NULL );
}
if ( buffer_length < strlen((char*) as1 ) + 1 )
{
ret = SQL_SUCCESS_WITH_INFO;
}
else
{
ret = SQL_SUCCESS;
}
if ( message_text && as1 )
{
if ( ret == SQL_SUCCESS )
{
strcpy((char*) message_text, (char*) as1 );
}
else
{
memcpy( message_text, as1, buffer_length );
message_text[ buffer_length - 1 ] = '\0';
}
}
if ( text_length && as1 )
{
*text_length = strlen((char*) as1 );
}
if ( native_error )
{
*native_error = ptr -> native_error;
}
/*
* map 3 to 2 if required
*/
if ( SQL_SUCCEEDED( ret ) && sqlstate )
__map_error_state( (char*) sqlstate, __get_version( head ));
if ( as1 )
{
free( as1 );
}
return ret;
}
else if ( !__is_env( head ) && __get_connection( head ) -> state != STATE_C2
&& head->sql_diag_head.error_count )
{
ERROR *ptr;
SQLWCHAR *s1 = NULL, *s2 = NULL;
rec_number -= head -> sql_diag_head.internal_count;
s1 = malloc( sizeof( SQLWCHAR ) * ( 6 + 1 ));
if ( buffer_length > 0 )
{
s2 = malloc( sizeof( SQLWCHAR ) * ( buffer_length + 1 ));
}
if ( __get_connection( head ) -> unicode_driver &&
CHECK_SQLGETDIAGRECW( __get_connection( head )))
{
ret = SQLGETDIAGRECW( __get_connection( head ),
head -> handle_type,
__get_driver_handle( head ),
rec_number,
s1,
native_error,
s2,
buffer_length,
text_length );
/*
* map 3 to 2 if required
*/
if ( SQL_SUCCEEDED( ret ) && sqlstate )
{
if ( sqlstate )
{
unicode_to_ansi_copy((char*) sqlstate, 6, s1, SQL_NTS, __get_connection( head ), NULL );
__map_error_state((char*) sqlstate, __get_version( head ));
}
if ( message_text )
{
unicode_to_ansi_copy((char*) message_text, buffer_length, s2, SQL_NTS, __get_connection( head ), NULL );
}
}
}
else if ( !__get_connection( head ) -> unicode_driver &&
CHECK_SQLGETDIAGREC( __get_connection( head )))
{
ret = SQLGETDIAGREC( __get_connection( head ),
head -> handle_type,
__get_driver_handle( head ),
rec_number,
sqlstate,
native_error,
message_text,
buffer_length,
text_length );
/*
* map 3 to 2 if required
*/
if ( SQL_SUCCEEDED( ret ) && sqlstate )
__map_error_state((char*) sqlstate, __get_version( head ));
}
else
{
SQLCHAR *as1 = NULL;
ptr = head -> sql_diag_head.error_list_head;
while( rec_number > 1 )
{
ptr = ptr -> next;
rec_number --;
}
if ( !ptr )
{
if ( s1 )
free( s1 );
if ( s2 )
free( s2 );
return SQL_NO_DATA;
}
as1 = (SQLCHAR*) unicode_to_ansi_alloc( ptr -> msg, SQL_NTS, __get_connection( head ), NULL );
if ( sqlstate )
{
unicode_to_ansi_copy((char*) sqlstate, 6, ptr -> sqlstate, SQL_NTS, __get_connection( head ), NULL );
}
if ( as1 && buffer_length < strlen((char*) as1 ) + 1 )
{
ret = SQL_SUCCESS_WITH_INFO;
}
else
{
ret = SQL_SUCCESS;
}
if ( message_text && as1 )
{
if ( ret == SQL_SUCCESS )
{
strcpy((char*) message_text,(char*) as1 );
}
else
{
memcpy( message_text, as1, buffer_length );
message_text[ buffer_length - 1 ] = '\0';
}
}
if ( text_length && as1 )
{
*text_length = strlen((char*) as1 );
}
if ( native_error )
{
*native_error = ptr -> native_error;
}
/*
* map 3 to 2 if required
*/
if ( SQL_SUCCEEDED( ret ) && sqlstate )
__map_error_state((char*) sqlstate, __get_version( head ));
if ( as1 )
{
free( as1 );
}
}
if ( s1 )
free( s1 );
if ( s2 )
free( s2 );
return ret;
}
else
{
return SQL_NO_DATA;
}
}
SQLRETURN SQLGetDiagRecA( SQLSMALLINT handle_type,
SQLHANDLE handle,
SQLSMALLINT rec_number,
SQLCHAR *sqlstate,
SQLINTEGER *native,
SQLCHAR *message_text,
SQLSMALLINT buffer_length,
SQLSMALLINT *text_length_ptr )
{
return SQLGetDiagRec( handle_type,
handle,
rec_number,
sqlstate,
native,
message_text,
buffer_length,
text_length_ptr );
}
SQLRETURN SQLGetDiagRec( SQLSMALLINT handle_type,
SQLHANDLE handle,
SQLSMALLINT rec_number,
SQLCHAR *sqlstate,
SQLINTEGER *native,
SQLCHAR *message_text,
SQLSMALLINT buffer_length,
SQLSMALLINT *text_length_ptr )
{
SQLRETURN ret;
SQLCHAR s0[ 48 ], s1[ 100 + LOG_MESSAGE_LEN ];
SQLCHAR s2[ 100 + LOG_MESSAGE_LEN ];
DMHENV environment = ( DMHENV ) handle;
DMHDBC connection = NULL;
DMHSTMT statement = NULL;
DMHDESC descriptor = NULL;
EHEAD *herror;
char *handle_msg;
const char *handle_type_ptr;
if ( rec_number < 1 )
{
return SQL_ERROR;
}
switch ( handle_type )
{
case SQL_HANDLE_ENV:
{
if ( !__validate_env( environment ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: SQL_INVALID_HANDLE" );
return SQL_INVALID_HANDLE;
}
herror = &environment->error;
handle_msg = environment->msg;
handle_type_ptr = "Environment";
}
break;
case SQL_HANDLE_DBC:
{
connection = ( DMHDBC ) handle;
if (!__validate_dbc(connection))
{
return SQL_INVALID_HANDLE;
}
herror = &connection->error;
handle_msg = connection->msg;
handle_type_ptr = "Connection";
}
break;
case SQL_HANDLE_STMT:
{
statement = ( DMHSTMT ) handle;
if ( !__validate_stmt( statement ))
{
return SQL_INVALID_HANDLE;
}
connection = statement->connection;
herror = &statement->error;
handle_msg = statement->msg;
handle_type_ptr = "Statement";
}
break;
case SQL_HANDLE_DESC:
{
descriptor = ( DMHDESC ) handle;
if ( !__validate_desc( descriptor ))
{
return SQL_INVALID_HANDLE;
}
connection = descriptor->connection;
herror = &descriptor->error;
handle_msg = descriptor->msg;
handle_type_ptr = "Descriptor";
}
break;
default:
{
return SQL_NO_DATA;
}
}
thread_protect( handle_type, handle );
if ( log_info.log_flag )
{
#ifdef HAVE_SNPRINTF
snprintf( handle_msg, LOG_MSG_MAX*2,
#else
sprintf( handle_msg,
#endif
"\n\t\tEntry:\
\n\t\t\t%s = %p\
\n\t\t\tRec Number = %d\
\n\t\t\tSQLState = %p\
\n\t\t\tNative = %p\
\n\t\t\tMessage Text = %p\
\n\t\t\tBuffer Length = %d\
\n\t\t\tText Len Ptr = %p",
handle_type_ptr,
handle,
rec_number,
sqlstate,
native,
message_text,
buffer_length,
text_length_ptr );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
handle_msg );
}
/*
* Do diag extraction here if defer flag is set.
* Clean the flag after extraction.
*/
if ( connection && herror->defer_extract )
{
extract_error_from_driver( herror, connection, herror->ret_code_deferred, 0 );
herror->defer_extract = 0;
herror->ret_code_deferred = 0;
}
ret = extract_sql_error_rec( herror,
sqlstate,
rec_number,
native,
message_text,
buffer_length,
text_length_ptr );
if ( log_info.log_flag )
{
if ( SQL_SUCCEEDED( ret ))
{
#ifdef HAVE_SNPRINTF
snprintf( handle_msg, LOG_MSG_MAX*2,
#else
sprintf( handle_msg,
#endif
"\n\t\tExit:[%s]\
\n\t\t\tSQLState = %s\
\n\t\t\tNative = %s\
\n\t\t\tMessage Text = %s",
__get_return_status( ret, s2 ),
sqlstate ? sqlstate : (SQLCHAR *)"NULL",
__iptr_as_string( s0, native ),
__sdata_as_string( s1, SQL_CHAR,
text_length_ptr, message_text ));
}
else
{
#ifdef HAVE_SNPRINTF
snprintf( handle_msg, LOG_MSG_MAX*2,
#else
sprintf( handle_msg,
#endif
"\n\t\tExit:[%s]",
__get_return_status( ret, s1 ));
}
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
handle_msg );
}
thread_release( handle_type, handle );
return ret;
}