291 lines
6.8 KiB
C
291 lines
6.8 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2002-2004 Mike McCormack for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include "msi.h"
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#include "msiquery.h"
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#include "objbase.h"
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#include "objidl.h"
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#include "msipriv.h"
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#include "winnls.h"
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#include "query.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msi);
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/* below is the query interface to a table */
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typedef struct tagMSISELECTVIEW
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{
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MSIVIEW view;
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MSIDATABASE *db;
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MSIVIEW *table;
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UINT num_cols;
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UINT max_cols;
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UINT cols[1];
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} MSISELECTVIEW;
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static UINT SELECT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %d %p\n", sv, row, col, val );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( (col==0) || (col>sv->num_cols) )
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return ERROR_FUNCTION_FAILED;
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col = sv->cols[ col - 1 ];
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return sv->table->ops->fetch_int( sv->table, row, col, val );
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}
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static UINT SELECT_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %d %p\n", sv, row, col, stm );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( (col==0) || (col>sv->num_cols) )
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return ERROR_FUNCTION_FAILED;
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col = sv->cols[ col - 1 ];
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return sv->table->ops->fetch_stream( sv->table, row, col, stm );
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}
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static UINT SELECT_set_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT val )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %d %04x\n", sv, row, col, val );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( (col==0) || (col>sv->num_cols) )
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return ERROR_FUNCTION_FAILED;
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col = sv->cols[ col - 1 ];
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return sv->table->ops->set_int( sv->table, row, col, val );
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}
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static UINT SELECT_insert_row( struct tagMSIVIEW *view, UINT *num )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %p\n", sv, num );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return sv->table->ops->insert_row( sv->table, num );
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}
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static UINT SELECT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %p\n", sv, record);
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return sv->table->ops->execute( sv->table, record );
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}
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static UINT SELECT_close( struct tagMSIVIEW *view )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p\n", sv );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return sv->table->ops->close( sv->table );
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}
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static UINT SELECT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %p %p\n", sv, rows, cols );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( cols )
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*cols = sv->num_cols;
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return sv->table->ops->get_dimensions( sv->table, rows, NULL );
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}
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static UINT SELECT_get_column_info( struct tagMSIVIEW *view,
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UINT n, LPWSTR *name, UINT *type )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %p %p\n", sv, n, name, type );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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if( (n==0) || (n>sv->num_cols) )
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return ERROR_FUNCTION_FAILED;
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n = sv->cols[ n - 1 ];
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return sv->table->ops->get_column_info( sv->table, n, name, type );
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}
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static UINT SELECT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIHANDLE hrec)
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p %d %ld\n", sv, eModifyMode, hrec );
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if( !sv->table )
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return ERROR_FUNCTION_FAILED;
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return sv->table->ops->modify( sv->table, eModifyMode, hrec );
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}
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static UINT SELECT_delete( struct tagMSIVIEW *view )
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{
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MSISELECTVIEW *sv = (MSISELECTVIEW*)view;
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TRACE("%p\n", sv );
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if( sv->table )
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sv->table->ops->delete( sv->table );
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HeapFree( GetProcessHeap(), 0, sv );
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return ERROR_SUCCESS;
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}
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MSIVIEWOPS select_ops =
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{
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SELECT_fetch_int,
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SELECT_fetch_stream,
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SELECT_set_int,
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SELECT_insert_row,
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SELECT_execute,
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SELECT_close,
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SELECT_get_dimensions,
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SELECT_get_column_info,
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SELECT_modify,
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SELECT_delete
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};
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static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPWSTR name )
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{
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UINT r, n=0;
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MSIVIEW *table;
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TRACE("%p adding %s\n", sv, debugstr_w( name ) );
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if( sv->view.ops != &select_ops )
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return ERROR_FUNCTION_FAILED;
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table = sv->table;
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if( !table )
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return ERROR_FUNCTION_FAILED;
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if( !table->ops->get_dimensions )
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return ERROR_FUNCTION_FAILED;
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if( !table->ops->get_column_info )
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return ERROR_FUNCTION_FAILED;
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if( sv->num_cols >= sv->max_cols )
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return ERROR_FUNCTION_FAILED;
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r = VIEW_find_column( table, name, &n );
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if( r != ERROR_SUCCESS )
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return r;
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sv->cols[sv->num_cols] = n;
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TRACE("Translating column %s from %d -> %d\n",
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debugstr_w( name ), sv->num_cols, n);
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sv->num_cols++;
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return ERROR_SUCCESS;
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}
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UINT SELECT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table,
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string_list *columns )
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{
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MSISELECTVIEW *sv = NULL;
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UINT count = 0, r;
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TRACE("%p\n", sv );
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r = table->ops->get_dimensions( table, NULL, &count );
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if( r != ERROR_SUCCESS )
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{
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ERR("can't get table dimensions\n");
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return r;
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}
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sv = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof *sv + count*sizeof (UINT) );
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if( !sv )
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return ERROR_FUNCTION_FAILED;
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/* fill the structure */
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sv->view.ops = &select_ops;
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sv->db = db;
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sv->table = table;
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sv->num_cols = 0;
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sv->max_cols = count;
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while( columns )
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{
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r = SELECT_AddColumn( sv, columns->string );
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if( r )
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break;
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columns = columns->next;
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}
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if( r != ERROR_SUCCESS )
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{
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sv->view.ops->delete( &sv->view );
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sv = NULL;
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}
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*view = &sv->view;
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return r;
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}
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