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taskkill: Add Italian translation.
[wine/multimedia.git] / dlls / msi / table.c
blob464ecedcb6627b18201197547db5499a85d688ad
1 /*
2 * Implementation of the Microsoft Installer (msi.dll)
3 *
4 * Copyright 2002-2005 Mike McCormack for CodeWeavers
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <stdarg.h>
22 #include <assert.h>
23
24 #define COBJMACROS
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winerror.h"
31 #include "msi.h"
32 #include "msiquery.h"
33 #include "objbase.h"
34 #include "objidl.h"
35 #include "winnls.h"
36 #include "msipriv.h"
37 #include "query.h"
38
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
43
44 #define MSITABLE_HASH_TABLE_SIZE 37
45 #define LONG_STR_BYTES 3
46
47 typedef struct tagMSICOLUMNHASHENTRY
48 {
49 struct tagMSICOLUMNHASHENTRY *next;
50 UINT value;
51 UINT row;
52 } MSICOLUMNHASHENTRY;
53
54 typedef struct tagMSICOLUMNINFO
55 {
56 LPWSTR tablename;
57 UINT number;
58 LPWSTR colname;
59 UINT type;
60 UINT offset;
61 INT ref_count;
62 BOOL temporary;
63 MSICOLUMNHASHENTRY **hash_table;
64 } MSICOLUMNINFO;
65
66 typedef struct tagMSIORDERINFO
67 {
68 UINT *reorder;
69 UINT num_cols;
70 UINT cols[1];
71 } MSIORDERINFO;
72
73 struct tagMSITABLE
74 {
75 BYTE **data;
76 BOOL *data_persistent;
77 UINT row_count;
78 struct list entry;
79 MSICOLUMNINFO *colinfo;
80 UINT col_count;
81 MSICONDITION persistent;
82 INT ref_count;
83 WCHAR name[1];
84 };
85
86 static const WCHAR szStringData[] = {
87 '_','S','t','r','i','n','g','D','a','t','a',0 };
88 static const WCHAR szStringPool[] = {
89 '_','S','t','r','i','n','g','P','o','o','l',0 };
90
91 /* information for default tables */
92 static WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
93 static WCHAR szTable[] = { 'T','a','b','l','e',0 };
94 static WCHAR szName[] = { 'N','a','m','e',0 };
95 static WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
96 static WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
97 static WCHAR szType[] = { 'T','y','p','e',0 };
98
99 static const MSICOLUMNINFO _Columns_cols[4] = {
100 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
101 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, 0, NULL },
102 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, 0, NULL },
103 { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, 0, NULL },
104 };
105
106 static const MSICOLUMNINFO _Tables_cols[1] = {
107 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
108 };
109
110 #define MAX_STREAM_NAME 0x1f
111
112 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
113 MSICOLUMNINFO **pcols, UINT *pcount );
114 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
115 DWORD count );
116 static UINT get_tablecolumns( MSIDATABASE *db,
117 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
118 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
119
120 static inline UINT bytes_per_column( MSIDATABASE *db, const MSICOLUMNINFO *col )
121 {
122 if( MSITYPE_IS_BINARY(col->type) )
123 return 2;
124
125 if( col->type & MSITYPE_STRING )
126 return db->bytes_per_strref;
127
128 if( (col->type & 0xff) <= 2)
129 return 2;
130
131 if( (col->type & 0xff) != 4 )
132 ERR("Invalid column size!\n");
133
134 return 4;
135 }
136
137 static int utf2mime(int x)
138 {
139 if( (x>='0') && (x<='9') )
140 return x-'0';
141 if( (x>='A') && (x<='Z') )
142 return x-'A'+10;
143 if( (x>='a') && (x<='z') )
144 return x-'a'+10+26;
145 if( x=='.' )
146 return 10+26+26;
147 if( x=='_' )
148 return 10+26+26+1;
149 return -1;
150 }
151
152 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
153 {
154 DWORD count = MAX_STREAM_NAME;
155 DWORD ch, next;
156 LPWSTR out, p;
157
158 if( !bTable )
159 count = lstrlenW( in )+2;
160 out = msi_alloc( count*sizeof(WCHAR) );
161 p = out;
162
163 if( bTable )
164 {
165 *p++ = 0x4840;
166 count --;
167 }
168 while( count -- )
169 {
170 ch = *in++;
171 if( !ch )
172 {
173 *p = ch;
174 return out;
175 }
176 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
177 {
178 ch = utf2mime(ch) + 0x4800;
179 next = *in;
180 if( next && (next<0x80) )
181 {
182 next = utf2mime(next);
183 if( next != -1 )
184 {
185 next += 0x3ffffc0;
186 ch += (next<<6);
187 in++;
188 }
189 }
190 }
191 *p++ = ch;
192 }
193 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
194 msi_free( out );
195 return NULL;
196 }
197
198 static int mime2utf(int x)
199 {
200 if( x<10 )
201 return x + '0';
202 if( x<(10+26))
203 return x - 10 + 'A';
204 if( x<(10+26+26))
205 return x - 10 - 26 + 'a';
206 if( x == (10+26+26) )
207 return '.';
208 return '_';
209 }
210
211 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
212 {
213 WCHAR ch;
214 DWORD count = 0;
215
216 while ( (ch = *in++) )
217 {
218 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
219 {
220 if( ch >= 0x4800 )
221 ch = mime2utf(ch-0x4800);
222 else
223 {
224 ch -= 0x3800;
225 *out++ = mime2utf(ch&0x3f);
226 count++;
227 ch = mime2utf((ch>>6)&0x3f);
228 }
229 }
230 *out++ = ch;
231 count++;
232 }
233 *out = 0;
234 return count;
235 }
236
237 void enum_stream_names( IStorage *stg )
238 {
239 IEnumSTATSTG *stgenum = NULL;
240 HRESULT r;
241 STATSTG stat;
242 ULONG n, count;
243 WCHAR name[0x40];
244
245 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
246 if( FAILED( r ) )
247 return;
248
249 n = 0;
250 while( 1 )
251 {
252 count = 0;
253 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
254 if( FAILED( r ) || !count )
255 break;
256 decode_streamname( stat.pwcsName, name );
257 TRACE("stream %2d -> %s %s\n", n,
258 debugstr_w(stat.pwcsName), debugstr_w(name) );
259 CoTaskMemFree( stat.pwcsName );
260 n++;
261 }
262
263 IEnumSTATSTG_Release( stgenum );
264 }
265
266 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
267 BYTE **pdata, UINT *psz )
268 {
269 HRESULT r;
270 UINT ret = ERROR_FUNCTION_FAILED;
271 VOID *data;
272 ULONG sz, count;
273 IStream *stm = NULL;
274 STATSTG stat;
275 LPWSTR encname;
276
277 encname = encode_streamname(table, stname);
278
279 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
280
281 r = IStorage_OpenStream(stg, encname, NULL,
282 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
283 msi_free( encname );
284 if( FAILED( r ) )
285 {
286 WARN("open stream failed r = %08x - empty table?\n", r);
287 return ret;
288 }
289
290 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
291 if( FAILED( r ) )
292 {
293 WARN("open stream failed r = %08x!\n", r);
294 goto end;
295 }
296
297 if( stat.cbSize.QuadPart >> 32 )
298 {
299 WARN("Too big!\n");
300 goto end;
301 }
302
303 sz = stat.cbSize.QuadPart;
304 data = msi_alloc( sz );
305 if( !data )
306 {
307 WARN("couldn't allocate memory r=%08x!\n", r);
308 ret = ERROR_NOT_ENOUGH_MEMORY;
309 goto end;
310 }
311
312 r = IStream_Read(stm, data, sz, &count );
313 if( FAILED( r ) || ( count != sz ) )
314 {
315 msi_free( data );
316 WARN("read stream failed r = %08x!\n", r);
317 goto end;
318 }
319
320 *pdata = data;
321 *psz = sz;
322 ret = ERROR_SUCCESS;
323
324 end:
325 IStream_Release( stm );
326
327 return ret;
328 }
329
330 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
331 LPCVOID data, UINT sz, BOOL bTable )
332 {
333 HRESULT r;
334 UINT ret = ERROR_FUNCTION_FAILED;
335 ULONG count;
336 IStream *stm = NULL;
337 ULARGE_INTEGER size;
338 LARGE_INTEGER pos;
339 LPWSTR encname;
340
341 encname = encode_streamname(bTable, stname );
342 r = IStorage_OpenStream( stg, encname, NULL,
343 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
344 if( FAILED(r) )
345 {
346 r = IStorage_CreateStream( stg, encname,
347 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
348 }
349 msi_free( encname );
350 if( FAILED( r ) )
351 {
352 WARN("open stream failed r = %08x\n", r);
353 return ret;
354 }
355
356 size.QuadPart = sz;
357 r = IStream_SetSize( stm, size );
358 if( FAILED( r ) )
359 {
360 WARN("Failed to SetSize\n");
361 goto end;
362 }
363
364 pos.QuadPart = 0;
365 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
366 if( FAILED( r ) )
367 {
368 WARN("Failed to Seek\n");
369 goto end;
370 }
371
372 if (sz)
373 {
374 r = IStream_Write(stm, data, sz, &count );
375 if( FAILED( r ) || ( count != sz ) )
376 {
377 WARN("Failed to Write\n");
378 goto end;
379 }
380 }
381
382 ret = ERROR_SUCCESS;
383
384 end:
385 IStream_Release( stm );
386
387 return ret;
388 }
389
390 static void free_table( MSITABLE *table )
391 {
392 UINT i;
393 for( i=0; i<table->row_count; i++ )
394 msi_free( table->data[i] );
395 msi_free( table->data );
396 msi_free( table->data_persistent );
397 msi_free_colinfo( table->colinfo, table->col_count );
398 msi_free( table->colinfo );
399 msi_free( table );
400 }
401
402 static UINT msi_table_get_row_size( MSIDATABASE *db,const MSICOLUMNINFO *cols,
403 UINT count )
404 {
405 const MSICOLUMNINFO *last_col = &cols[count-1];
406 if (!count)
407 return 0;
408 return last_col->offset + bytes_per_column( db, last_col );
409 }
410
411 /* add this table to the list of cached tables in the database */
412 static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg )
413 {
414 BYTE *rawdata = NULL;
415 UINT rawsize = 0, i, j, row_size = 0;
416
417 TRACE("%s\n",debugstr_w(t->name));
418
419 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
420
421 /* if we can't read the table, just assume that it's empty */
422 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
423 if( !rawdata )
424 return ERROR_SUCCESS;
425
426 TRACE("Read %d bytes\n", rawsize );
427
428 if( rawsize % row_size )
429 {
430 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
431 goto err;
432 }
433
434 t->row_count = rawsize / row_size;
435 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
436 if( !t->data )
437 goto err;
438 t->data_persistent = msi_alloc_zero( t->row_count * sizeof(BOOL));
439 if ( !t->data_persistent )
440 goto err;
441
442 /* transpose all the data */
443 TRACE("Transposing data from %d rows\n", t->row_count );
444 for( i=0; i<t->row_count; i++ )
445 {
446 t->data[i] = msi_alloc( row_size );
447 if( !t->data[i] )
448 goto err;
449 t->data_persistent[i] = TRUE;
450
451 for( j=0; j<t->col_count; j++ )
452 {
453 UINT ofs = t->colinfo[j].offset;
454 UINT n = bytes_per_column( db, &t->colinfo[j] );
455 UINT k;
456
457 if ( n != 2 && n != 3 && n != 4 )
458 {
459 ERR("oops - unknown column width %d\n", n);
460 goto err;
461 }
462
463 for ( k = 0; k < n; k++ )
464 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
465 }
466 }
467
468 msi_free( rawdata );
469 return ERROR_SUCCESS;
470 err:
471 msi_free( rawdata );
472 return ERROR_FUNCTION_FAILED;
473 }
474
475 void free_cached_tables( MSIDATABASE *db )
476 {
477 while( !list_empty( &db->tables ) )
478 {
479 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
480
481 list_remove( &t->entry );
482 free_table( t );
483 }
484 }
485
486 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
487 {
488 MSITABLE *t;
489
490 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
491 if( !lstrcmpW( name, t->name ) )
492 return t;
493
494 return NULL;
495 }
496
497 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
498 {
499 UINT r, column_count = 0;
500 MSICOLUMNINFO *columns;
501
502 /* get the number of columns in this table */
503 column_count = 0;
504 r = get_tablecolumns( db, name, NULL, &column_count );
505 if( r != ERROR_SUCCESS )
506 return r;
507
508 *pcount = column_count;
509
510 /* if there's no columns, there's no table */
511 if( column_count == 0 )
512 return ERROR_INVALID_PARAMETER;
513
514 TRACE("Table %s found\n", debugstr_w(name) );
515
516 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
517 if( !columns )
518 return ERROR_FUNCTION_FAILED;
519
520 r = get_tablecolumns( db, name, columns, &column_count );
521 if( r != ERROR_SUCCESS )
522 {
523 msi_free( columns );
524 return ERROR_FUNCTION_FAILED;
525 }
526
527 *pcols = columns;
528
529 return r;
530 }
531
532 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
533 MSICONDITION persistent, MSITABLE **table_ret)
534 {
535 UINT r, nField;
536 MSIVIEW *tv = NULL;
537 MSIRECORD *rec = NULL;
538 column_info *col;
539 MSITABLE *table;
540 UINT i;
541
542 /* only add tables that don't exist already */
543 if( TABLE_Exists(db, name ) )
544 {
545 WARN("table %s exists\n", debugstr_w(name));
546 return ERROR_BAD_QUERY_SYNTAX;
547 }
548
549 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
550 if( !table )
551 return ERROR_FUNCTION_FAILED;
552
553 table->ref_count = 1;
554 table->row_count = 0;
555 table->data = NULL;
556 table->data_persistent = NULL;
557 table->colinfo = NULL;
558 table->col_count = 0;
559 table->persistent = persistent;
560 lstrcpyW( table->name, name );
561
562 for( col = col_info; col; col = col->next )
563 table->col_count++;
564
565 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
566 if (!table->colinfo)
567 {
568 free_table( table );
569 return ERROR_FUNCTION_FAILED;
570 }
571
572 for( i = 0, col = col_info; col; i++, col = col->next )
573 {
574 table->colinfo[ i ].tablename = strdupW( col->table );
575 table->colinfo[ i ].number = i + 1;
576 table->colinfo[ i ].colname = strdupW( col->column );
577 table->colinfo[ i ].type = col->type;
578 table->colinfo[ i ].offset = 0;
579 table->colinfo[ i ].ref_count = 0;
580 table->colinfo[ i ].hash_table = NULL;
581 table->colinfo[ i ].temporary = col->temporary;
582 }
583 table_calc_column_offsets( db, table->colinfo, table->col_count);
584
585 r = TABLE_CreateView( db, szTables, &tv );
586 TRACE("CreateView returned %x\n", r);
587 if( r )
588 {
589 free_table( table );
590 return r;
591 }
592
593 r = tv->ops->execute( tv, 0 );
594 TRACE("tv execute returned %x\n", r);
595 if( r )
596 goto err;
597
598 rec = MSI_CreateRecord( 1 );
599 if( !rec )
600 goto err;
601
602 r = MSI_RecordSetStringW( rec, 1, name );
603 if( r )
604 goto err;
605
606 r = tv->ops->insert_row( tv, rec, -1, persistent == MSICONDITION_FALSE );
607 TRACE("insert_row returned %x\n", r);
608 if( r )
609 goto err;
610
611 tv->ops->delete( tv );
612 tv = NULL;
613
614 msiobj_release( &rec->hdr );
615 rec = NULL;
616
617 if( persistent != MSICONDITION_FALSE )
618 {
619 /* add each column to the _Columns table */
620 r = TABLE_CreateView( db, szColumns, &tv );
621 if( r )
622 return r;
623
624 r = tv->ops->execute( tv, 0 );
625 TRACE("tv execute returned %x\n", r);
626 if( r )
627 goto err;
628
629 rec = MSI_CreateRecord( 4 );
630 if( !rec )
631 goto err;
632
633 r = MSI_RecordSetStringW( rec, 1, name );
634 if( r )
635 goto err;
636
637 /*
638 * need to set the table, column number, col name and type
639 * for each column we enter in the table
640 */
641 nField = 1;
642 for( col = col_info; col; col = col->next )
643 {
644 r = MSI_RecordSetInteger( rec, 2, nField );
645 if( r )
646 goto err;
647
648 r = MSI_RecordSetStringW( rec, 3, col->column );
649 if( r )
650 goto err;
651
652 r = MSI_RecordSetInteger( rec, 4, col->type );
653 if( r )
654 goto err;
655
656 r = tv->ops->insert_row( tv, rec, -1, FALSE );
657 if( r )
658 goto err;
659
660 nField++;
661 }
662 if( !col )
663 r = ERROR_SUCCESS;
664 }
665
666 err:
667 if (rec)
668 msiobj_release( &rec->hdr );
669 /* FIXME: remove values from the string table on error */
670 if( tv )
671 tv->ops->delete( tv );
672
673 if (r == ERROR_SUCCESS)
674 {
675 list_add_head( &db->tables, &table->entry );
676 *table_ret = table;
677 }
678 else
679 free_table( table );
680
681 return r;
682 }
683
684 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
685 {
686 MSITABLE *table;
687 UINT r;
688
689 /* first, see if the table is cached */
690 table = find_cached_table( db, name );
691 if( table )
692 {
693 *table_ret = table;
694 return ERROR_SUCCESS;
695 }
696
697 /* nonexistent tables should be interpreted as empty tables */
698 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
699 if( !table )
700 return ERROR_FUNCTION_FAILED;
701
702 table->row_count = 0;
703 table->data = NULL;
704 table->data_persistent = NULL;
705 table->colinfo = NULL;
706 table->col_count = 0;
707 table->persistent = MSICONDITION_TRUE;
708 lstrcpyW( table->name, name );
709
710 if ( !lstrcmpW(name, szTables) || !lstrcmpW(name, szColumns) )
711 table->persistent = MSICONDITION_NONE;
712
713 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
714 if (r != ERROR_SUCCESS)
715 {
716 free_table ( table );
717 return r;
718 }
719
720 r = read_table_from_storage( db, table, db->storage );
721 if( r != ERROR_SUCCESS )
722 {
723 free_table( table );
724 return r;
725 }
726
727 list_add_head( &db->tables, &table->entry );
728 *table_ret = table;
729 return ERROR_SUCCESS;
730 }
731
732 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
733 {
734 BYTE *rawdata = NULL, *p;
735 UINT rawsize, r, i, j, row_size;
736
737 /* Nothing to do for non-persistent tables */
738 if( t->persistent == MSICONDITION_FALSE )
739 return ERROR_SUCCESS;
740
741 TRACE("Saving %s\n", debugstr_w( t->name ) );
742
743 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
744
745 rawsize = t->row_count * row_size;
746 rawdata = msi_alloc_zero( rawsize );
747 if( !rawdata )
748 {
749 r = ERROR_NOT_ENOUGH_MEMORY;
750 goto err;
751 }
752
753 rawsize = 0;
754 p = rawdata;
755 for( i=0; i<t->col_count; i++ )
756 {
757 for( j=0; j<t->row_count; j++ )
758 {
759 UINT offset = t->colinfo[i].offset;
760
761 if (!t->data_persistent[j]) continue;
762 if (i == 0)
763 rawsize += row_size;
764
765 *p++ = t->data[j][offset];
766 *p++ = t->data[j][offset + 1];
767 if( 4 == bytes_per_column( db, &t->colinfo[i] ) )
768 {
769 *p++ = t->data[j][offset + 2];
770 *p++ = t->data[j][offset + 3];
771 }
772 }
773 }
774
775 TRACE("writing %d bytes\n", rawsize);
776 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
777
778 err:
779 msi_free( rawdata );
780
781 return r;
782 }
783
784 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
785 DWORD count )
786 {
787 DWORD i;
788
789 for( i=0; colinfo && (i<count); i++ )
790 {
791 assert( (i+1) == colinfo[ i ].number );
792 if (i)
793 colinfo[i].offset = colinfo[ i - 1 ].offset
794 + bytes_per_column( db, &colinfo[ i - 1 ] );
795 else
796 colinfo[i].offset = 0;
797 TRACE("column %d is [%s] with type %08x ofs %d\n",
798 colinfo[i].number, debugstr_w(colinfo[i].colname),
799 colinfo[i].type, colinfo[i].offset);
800 }
801 }
802
803 static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name,
804 MSICOLUMNINFO *colinfo, UINT *sz)
805 {
806 const MSICOLUMNINFO *p;
807 DWORD i, n;
808
809 TRACE("%s\n", debugstr_w(name));
810
811 if (!lstrcmpW( name, szTables ))
812 {
813 p = _Tables_cols;
814 n = 1;
815 }
816 else if (!lstrcmpW( name, szColumns ))
817 {
818 p = _Columns_cols;
819 n = 4;
820 }
821 else
822 return ERROR_FUNCTION_FAILED;
823
824 /* duplicate the string data so we can free it in msi_free_colinfo */
825 for (i=0; i<n; i++)
826 {
827 if (colinfo && (i < *sz) )
828 {
829 colinfo[i] = p[i];
830 colinfo[i].tablename = strdupW( p[i].tablename );
831 colinfo[i].colname = strdupW( p[i].colname );
832 }
833 if( colinfo && (i >= *sz) )
834 break;
835 }
836 table_calc_column_offsets( db, colinfo, n );
837 *sz = n;
838 return ERROR_SUCCESS;
839 }
840
841 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
842 {
843 UINT i;
844
845 for( i=0; i<count; i++ )
846 {
847 msi_free( colinfo[i].tablename );
848 msi_free( colinfo[i].colname );
849 msi_free( colinfo[i].hash_table );
850 }
851 }
852
853 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
854 {
855 return strdupW(msi_string_lookup_id( db->strings, stringid ));
856 }
857
858 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
859 {
860 UINT ret = 0, i;
861
862 for (i = 0; i < bytes; i++)
863 ret += (data[row][col + i] << i * 8);
864
865 return ret;
866 }
867
868 static UINT get_tablecolumns( MSIDATABASE *db,
869 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
870 {
871 UINT r, i, n=0, table_id, count, maxcount = *sz;
872 MSITABLE *table = NULL;
873
874 TRACE("%s\n", debugstr_w(szTableName));
875
876 /* first check if there is a default table with that name */
877 r = get_defaulttablecolumns( db, szTableName, colinfo, sz );
878 if( ( r == ERROR_SUCCESS ) && *sz )
879 return r;
880
881 r = get_table( db, szColumns, &table );
882 if( r != ERROR_SUCCESS )
883 {
884 ERR("couldn't load _Columns table\n");
885 return ERROR_FUNCTION_FAILED;
886 }
887
888 /* convert table and column names to IDs from the string table */
889 r = msi_string2idW( db->strings, szTableName, &table_id );
890 if( r != ERROR_SUCCESS )
891 {
892 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
893 return r;
894 }
895
896 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
897
898 /* Note: _Columns table doesn't have non-persistent data */
899
900 /* if maxcount is non-zero, assume it's exactly right for this table */
901 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
902 count = table->row_count;
903 for( i=0; i<count; i++ )
904 {
905 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
906 continue;
907 if( colinfo )
908 {
909 UINT id = read_table_int(table->data, i, table->colinfo[2].offset, db->bytes_per_strref);
910 UINT col = read_table_int(table->data, i, table->colinfo[1].offset, sizeof(USHORT)) - (1<<15);
911
912 /* check the column number is in range */
913 if (col<1 || col>maxcount)
914 {
915 ERR("column %d out of range\n", col);
916 continue;
917 }
918
919 /* check if this column was already set */
920 if (colinfo[ col - 1 ].number)
921 {
922 ERR("duplicate column %d\n", col);
923 continue;
924 }
925
926 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
927 colinfo[ col - 1 ].number = col;
928 colinfo[ col - 1 ].colname = msi_makestring( db, id );
929 colinfo[ col - 1 ].type = read_table_int(table->data, i,
930 table->colinfo[3].offset,
931 sizeof(USHORT)) - (1<<15);
932 colinfo[ col - 1 ].offset = 0;
933 colinfo[ col - 1 ].ref_count = 0;
934 colinfo[ col - 1 ].hash_table = NULL;
935 }
936 n++;
937 }
938
939 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
940
941 if (colinfo && n != maxcount)
942 {
943 ERR("missing column in table %s\n", debugstr_w(szTableName));
944 msi_free_colinfo(colinfo, maxcount );
945 return ERROR_FUNCTION_FAILED;
946 }
947
948 table_calc_column_offsets( db, colinfo, n );
949 *sz = n;
950
951 return ERROR_SUCCESS;
952 }
953
954 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
955 {
956 MSITABLE *table;
957 LPWSTR tablename;
958 UINT size, offset, old_count;
959 UINT n;
960
961 /* We may free name in msi_free_colinfo. */
962 tablename = strdupW( name );
963
964 table = find_cached_table( db, tablename );
965 old_count = table->col_count;
966 msi_free_colinfo( table->colinfo, table->col_count );
967 msi_free( table->colinfo );
968 table->colinfo = NULL;
969
970 table_get_column_info( db, tablename, &table->colinfo, &table->col_count );
971 if (!table->col_count)
972 goto done;
973
974 size = msi_table_get_row_size( db, table->colinfo, table->col_count );
975 offset = table->colinfo[table->col_count - 1].offset;
976
977 for ( n = 0; n < table->row_count; n++ )
978 {
979 table->data[n] = msi_realloc( table->data[n], size );
980 if (old_count < table->col_count)
981 memset( &table->data[n][offset], 0, size - offset );
982 }
983
984 done:
985 msi_free(tablename);
986 }
987
988 /* try to find the table name in the _Tables table */
989 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
990 {
991 UINT r, table_id, i;
992 MSITABLE *table;
993
994 static const WCHAR szStreams[] = {'_','S','t','r','e','a','m','s',0};
995 static const WCHAR szStorages[] = {'_','S','t','o','r','a','g','e','s',0};
996
997 if( !lstrcmpW( name, szTables ) || !lstrcmpW( name, szColumns ) ||
998 !lstrcmpW( name, szStreams ) || !lstrcmpW( name, szStorages ) )
999 return TRUE;
1000
1001 r = msi_string2idW( db->strings, name, &table_id );
1002 if( r != ERROR_SUCCESS )
1003 {
1004 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1005 return FALSE;
1006 }
1007
1008 r = get_table( db, szTables, &table );
1009 if( r != ERROR_SUCCESS )
1010 {
1011 ERR("table %s not available\n", debugstr_w(szTables));
1012 return FALSE;
1013 }
1014
1015 for( i = 0; i < table->row_count; i++ )
1016 {
1017 if( read_table_int( table->data, i, 0, db->bytes_per_strref ) == table_id )
1018 return TRUE;
1019 }
1020
1021 return FALSE;
1022 }
1023
1024 /* below is the query interface to a table */
1025
1026 typedef struct tagMSITABLEVIEW
1027 {
1028 MSIVIEW view;
1029 MSIDATABASE *db;
1030 MSITABLE *table;
1031 MSICOLUMNINFO *columns;
1032 MSIORDERINFO *order;
1033 UINT num_cols;
1034 UINT row_size;
1035 WCHAR name[1];
1036 } MSITABLEVIEW;
1037
1038 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1039 {
1040 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1041 UINT offset, n;
1042
1043 if( !tv->table )
1044 return ERROR_INVALID_PARAMETER;
1045
1046 if( (col==0) || (col>tv->num_cols) )
1047 return ERROR_INVALID_PARAMETER;
1048
1049 /* how many rows are there ? */
1050 if( row >= tv->table->row_count )
1051 return ERROR_NO_MORE_ITEMS;
1052
1053 if( tv->columns[col-1].offset >= tv->row_size )
1054 {
1055 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1056 ERR("%p %p\n", tv, tv->columns );
1057 return ERROR_FUNCTION_FAILED;
1058 }
1059
1060 if (tv->order)
1061 row = tv->order->reorder[row];
1062
1063 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1064 if (n != 2 && n != 3 && n != 4)
1065 {
1066 ERR("oops! what is %d bytes per column?\n", n );
1067 return ERROR_FUNCTION_FAILED;
1068 }
1069
1070 offset = tv->columns[col-1].offset;
1071 *val = read_table_int(tv->table->data, row, offset, n);
1072
1073 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1074
1075 return ERROR_SUCCESS;
1076 }
1077
1078 static UINT msi_stream_name( const MSITABLEVIEW *tv, UINT row, LPWSTR *pstname )
1079 {
1080 LPWSTR p, stname = NULL;
1081 UINT i, r, type, ival;
1082 DWORD len;
1083 LPCWSTR sval;
1084 MSIVIEW *view = (MSIVIEW *) tv;
1085
1086 TRACE("%p %d\n", tv, row);
1087
1088 len = lstrlenW( tv->name ) + 1;
1089 stname = msi_alloc( len*sizeof(WCHAR) );
1090 if ( !stname )
1091 {
1092 r = ERROR_OUTOFMEMORY;
1093 goto err;
1094 }
1095
1096 lstrcpyW( stname, tv->name );
1097
1098 for ( i = 0; i < tv->num_cols; i++ )
1099 {
1100 type = tv->columns[i].type;
1101 if ( type & MSITYPE_KEY )
1102 {
1103 r = TABLE_fetch_int( view, row, i+1, &ival );
1104 if ( r != ERROR_SUCCESS )
1105 goto err;
1106
1107 if ( tv->columns[i].type & MSITYPE_STRING )
1108 {
1109 sval = msi_string_lookup_id( tv->db->strings, ival );
1110 if ( !sval )
1111 {
1112 r = ERROR_INVALID_PARAMETER;
1113 goto err;
1114 }
1115 }
1116 else
1117 {
1118 static const WCHAR fmt[] = { '%','d',0 };
1119 WCHAR number[0x20];
1120 UINT n = bytes_per_column( tv->db, &tv->columns[i] );
1121
1122 switch( n )
1123 {
1124 case 2:
1125 sprintfW( number, fmt, ival-0x8000 );
1126 break;
1127 case 4:
1128 sprintfW( number, fmt, ival^0x80000000 );
1129 break;
1130 default:
1131 ERR( "oops - unknown column width %d\n", n );
1132 r = ERROR_FUNCTION_FAILED;
1133 goto err;
1134 }
1135 sval = number;
1136 }
1137
1138 len += lstrlenW( szDot ) + lstrlenW( sval );
1139 p = msi_realloc ( stname, len*sizeof(WCHAR) );
1140 if ( !p )
1141 {
1142 r = ERROR_OUTOFMEMORY;
1143 goto err;
1144 }
1145 stname = p;
1146
1147 lstrcatW( stname, szDot );
1148 lstrcatW( stname, sval );
1149 }
1150 else
1151 continue;
1152 }
1153
1154 *pstname = stname;
1155 return ERROR_SUCCESS;
1156
1157 err:
1158 msi_free( stname );
1159 *pstname = NULL;
1160 return r;
1161 }
1162
1163 /*
1164 * We need a special case for streams, as we need to reference column with
1165 * the name of the stream in the same table, and the table name
1166 * which may not be available at higher levels of the query
1167 */
1168 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1169 {
1170 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1171 UINT r;
1172 LPWSTR encname, full_name = NULL;
1173
1174 if( !view->ops->fetch_int )
1175 return ERROR_INVALID_PARAMETER;
1176
1177 r = msi_stream_name( tv, row, &full_name );
1178 if ( r != ERROR_SUCCESS )
1179 {
1180 ERR("fetching stream, error = %d\n", r);
1181 return r;
1182 }
1183
1184 encname = encode_streamname( FALSE, full_name );
1185 r = db_get_raw_stream( tv->db, encname, stm );
1186 if( r )
1187 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1188
1189 msi_free( full_name );
1190 msi_free( encname );
1191 return r;
1192 }
1193
1194 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1195 {
1196 UINT offset, n, i;
1197
1198 if( !tv->table )
1199 return ERROR_INVALID_PARAMETER;
1200
1201 if( (col==0) || (col>tv->num_cols) )
1202 return ERROR_INVALID_PARAMETER;
1203
1204 if( row >= tv->table->row_count )
1205 return ERROR_INVALID_PARAMETER;
1206
1207 if( tv->columns[col-1].offset >= tv->row_size )
1208 {
1209 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1210 ERR("%p %p\n", tv, tv->columns );
1211 return ERROR_FUNCTION_FAILED;
1212 }
1213
1214 msi_free( tv->columns[col-1].hash_table );
1215 tv->columns[col-1].hash_table = NULL;
1216
1217 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1218 if ( n != 2 && n != 3 && n != 4 )
1219 {
1220 ERR("oops! what is %d bytes per column?\n", n );
1221 return ERROR_FUNCTION_FAILED;
1222 }
1223
1224 offset = tv->columns[col-1].offset;
1225 for ( i = 0; i < n; i++ )
1226 tv->table->data[row][offset + i] = (val >> i * 8) & 0xff;
1227
1228 return ERROR_SUCCESS;
1229 }
1230
1231 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1232 {
1233 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1234
1235 if (!tv->table)
1236 return ERROR_INVALID_PARAMETER;
1237
1238 if (tv->order)
1239 row = tv->order->reorder[row];
1240
1241 return msi_view_get_row(tv->db, view, row, rec);
1242 }
1243
1244 static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data )
1245 {
1246 UINT r;
1247 MSIQUERY *query = NULL;
1248 MSIRECORD *rec = NULL;
1249
1250 static const WCHAR insert[] = {
1251 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1252 '`','_','S','t','r','e','a','m','s','`',' ',
1253 '(','`','N','a','m','e','`',',',
1254 '`','D','a','t','a','`',')',' ',
1255 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1256
1257 TRACE("%p %s %p\n", db, debugstr_w(name), data);
1258
1259 rec = MSI_CreateRecord( 2 );
1260 if ( !rec )
1261 return ERROR_OUTOFMEMORY;
1262
1263 r = MSI_RecordSetStringW( rec, 1, name );
1264 if ( r != ERROR_SUCCESS )
1265 goto err;
1266
1267 r = MSI_RecordSetIStream( rec, 2, data );
1268 if ( r != ERROR_SUCCESS )
1269 goto err;
1270
1271 r = MSI_DatabaseOpenViewW( db, insert, &query );
1272 if ( r != ERROR_SUCCESS )
1273 goto err;
1274
1275 r = MSI_ViewExecute( query, rec );
1276
1277 err:
1278 msiobj_release( &query->hdr );
1279 msiobj_release( &rec->hdr );
1280
1281 return r;
1282 }
1283
1284 static UINT get_table_value_from_record( MSITABLEVIEW *tv, MSIRECORD *rec, UINT iField, UINT *pvalue )
1285 {
1286 MSICOLUMNINFO columninfo;
1287 UINT r;
1288
1289 if ( (iField <= 0) ||
1290 (iField > tv->num_cols) ||
1291 MSI_RecordIsNull( rec, iField ) )
1292 return ERROR_FUNCTION_FAILED;
1293
1294 columninfo = tv->columns[ iField - 1 ];
1295
1296 if ( MSITYPE_IS_BINARY(columninfo.type) )
1297 {
1298 *pvalue = 1; /* refers to the first key column */
1299 }
1300 else if ( columninfo.type & MSITYPE_STRING )
1301 {
1302 LPCWSTR sval = MSI_RecordGetString( rec, iField );
1303
1304 r = msi_string2idW(tv->db->strings, sval, pvalue);
1305 if (r != ERROR_SUCCESS)
1306 return ERROR_NOT_FOUND;
1307 }
1308 else if ( 2 == bytes_per_column( tv->db, &columninfo ) )
1309 {
1310 *pvalue = 0x8000 + MSI_RecordGetInteger( rec, iField );
1311 if ( *pvalue & 0xffff0000 )
1312 {
1313 ERR("field %u value %d out of range\n", iField, *pvalue - 0x8000);
1314 return ERROR_FUNCTION_FAILED;
1315 }
1316 }
1317 else
1318 {
1319 INT ival = MSI_RecordGetInteger( rec, iField );
1320 *pvalue = ival ^ 0x80000000;
1321 }
1322
1323 return ERROR_SUCCESS;
1324 }
1325
1326 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1327 {
1328 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1329 UINT i, val, r = ERROR_SUCCESS;
1330
1331 if ( !tv->table )
1332 return ERROR_INVALID_PARAMETER;
1333
1334 /* test if any of the mask bits are invalid */
1335 if ( mask >= (1<<tv->num_cols) )
1336 return ERROR_INVALID_PARAMETER;
1337
1338 for ( i = 0; i < tv->num_cols; i++ )
1339 {
1340 BOOL persistent;
1341
1342 /* only update the fields specified in the mask */
1343 if ( !(mask&(1<<i)) )
1344 continue;
1345
1346 persistent = (tv->table->persistent != MSICONDITION_FALSE) &&
1347 (tv->table->data_persistent[row]);
1348 /* FIXME: should we allow updating keys? */
1349
1350 val = 0;
1351 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1352 {
1353 r = get_table_value_from_record (tv, rec, i + 1, &val);
1354 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1355 {
1356 IStream *stm;
1357 LPWSTR stname;
1358
1359 if ( r != ERROR_SUCCESS )
1360 return ERROR_FUNCTION_FAILED;
1361
1362 r = MSI_RecordGetIStream( rec, i + 1, &stm );
1363 if ( r != ERROR_SUCCESS )
1364 return r;
1365
1366 r = msi_stream_name( tv, row, &stname );
1367 if ( r != ERROR_SUCCESS )
1368 {
1369 IStream_Release( stm );
1370 return r;
1371 }
1372
1373 r = msi_addstreamW( tv->db, stname, stm );
1374 IStream_Release( stm );
1375 msi_free ( stname );
1376
1377 if ( r != ERROR_SUCCESS )
1378 return r;
1379 }
1380 else if ( tv->columns[i].type & MSITYPE_STRING )
1381 {
1382 UINT x;
1383
1384 if ( r != ERROR_SUCCESS )
1385 {
1386 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1387 val = msi_addstringW( tv->db->strings, sval, -1, 1,
1388 persistent ? StringPersistent : StringNonPersistent );
1389
1390 }
1391 else
1392 {
1393 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1394 if (val == x)
1395 continue;
1396 }
1397 }
1398 else
1399 {
1400 if ( r != ERROR_SUCCESS )
1401 return ERROR_FUNCTION_FAILED;
1402 }
1403 }
1404
1405 r = TABLE_set_int( tv, row, i+1, val );
1406 if ( r != ERROR_SUCCESS )
1407 break;
1408 }
1409 return r;
1410 }
1411
1412 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1413 {
1414 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1415 BYTE **p, *row;
1416 BOOL *b;
1417 UINT sz;
1418 BYTE ***data_ptr;
1419 BOOL **data_persist_ptr;
1420 UINT *row_count;
1421
1422 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1423
1424 if( !tv->table )
1425 return ERROR_INVALID_PARAMETER;
1426
1427 row = msi_alloc_zero( tv->row_size );
1428 if( !row )
1429 return ERROR_NOT_ENOUGH_MEMORY;
1430
1431 row_count = &tv->table->row_count;
1432 data_ptr = &tv->table->data;
1433 data_persist_ptr = &tv->table->data_persistent;
1434 if (*num == -1)
1435 *num = tv->table->row_count;
1436
1437 sz = (*row_count + 1) * sizeof (BYTE*);
1438 if( *data_ptr )
1439 p = msi_realloc( *data_ptr, sz );
1440 else
1441 p = msi_alloc( sz );
1442 if( !p )
1443 {
1444 msi_free( row );
1445 return ERROR_NOT_ENOUGH_MEMORY;
1446 }
1447
1448 sz = (*row_count + 1) * sizeof (BOOL);
1449 if( *data_persist_ptr )
1450 b = msi_realloc( *data_persist_ptr, sz );
1451 else
1452 b = msi_alloc( sz );
1453 if( !b )
1454 {
1455 msi_free( row );
1456 msi_free( p );
1457 return ERROR_NOT_ENOUGH_MEMORY;
1458 }
1459
1460 *data_ptr = p;
1461 (*data_ptr)[*row_count] = row;
1462
1463 *data_persist_ptr = b;
1464 (*data_persist_ptr)[*row_count] = !temporary;
1465
1466 (*row_count)++;
1467
1468 return ERROR_SUCCESS;
1469 }
1470
1471 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1472 {
1473 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1474
1475 TRACE("%p %p\n", tv, record);
1476
1477 TRACE("There are %d columns\n", tv->num_cols );
1478
1479 return ERROR_SUCCESS;
1480 }
1481
1482 static UINT TABLE_close( struct tagMSIVIEW *view )
1483 {
1484 TRACE("%p\n", view );
1485
1486 return ERROR_SUCCESS;
1487 }
1488
1489 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1490 {
1491 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1492
1493 TRACE("%p %p %p\n", view, rows, cols );
1494
1495 if( cols )
1496 *cols = tv->num_cols;
1497 if( rows )
1498 {
1499 if( !tv->table )
1500 return ERROR_INVALID_PARAMETER;
1501 *rows = tv->table->row_count;
1502 }
1503
1504 return ERROR_SUCCESS;
1505 }
1506
1507 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1508 UINT n, LPWSTR *name, UINT *type, BOOL *temporary,
1509 LPWSTR *table_name )
1510 {
1511 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1512
1513 TRACE("%p %d %p %p\n", tv, n, name, type );
1514
1515 if( ( n == 0 ) || ( n > tv->num_cols ) )
1516 return ERROR_INVALID_PARAMETER;
1517
1518 if( name )
1519 {
1520 *name = strdupW( tv->columns[n-1].colname );
1521 if( !*name )
1522 return ERROR_FUNCTION_FAILED;
1523 }
1524
1525 if( table_name )
1526 {
1527 *table_name = strdupW( tv->columns[n-1].tablename );
1528 if( !*table_name )
1529 return ERROR_FUNCTION_FAILED;
1530 }
1531
1532 if( type )
1533 *type = tv->columns[n-1].type;
1534
1535 if( temporary )
1536 *temporary = tv->columns[n-1].temporary;
1537
1538 return ERROR_SUCCESS;
1539 }
1540
1541 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1542
1543 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1544 {
1545 UINT r, row, i;
1546
1547 /* check there's no null values where they're not allowed */
1548 for( i = 0; i < tv->num_cols; i++ )
1549 {
1550 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1551 continue;
1552
1553 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1554 TRACE("skipping binary column\n");
1555 else if ( tv->columns[i].type & MSITYPE_STRING )
1556 {
1557 LPCWSTR str;
1558
1559 str = MSI_RecordGetString( rec, i+1 );
1560 if (str == NULL || str[0] == 0)
1561 return ERROR_INVALID_DATA;
1562 }
1563 else
1564 {
1565 UINT n;
1566
1567 n = MSI_RecordGetInteger( rec, i+1 );
1568 if (n == MSI_NULL_INTEGER)
1569 return ERROR_INVALID_DATA;
1570 }
1571 }
1572
1573 /* check there's no duplicate keys */
1574 r = msi_table_find_row( tv, rec, &row );
1575 if (r == ERROR_SUCCESS)
1576 return ERROR_FUNCTION_FAILED;
1577
1578 return ERROR_SUCCESS;
1579 }
1580
1581 static UINT find_insert_index( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *pidx )
1582 {
1583 UINT r, idx, j, ivalue, x;
1584
1585 TRACE("%p %p %p\n", tv, rec, pidx);
1586
1587 for (idx = 0; idx < tv->table->row_count; idx++)
1588 {
1589 for (j = 0; j < tv->num_cols; j++ )
1590 {
1591 r = get_table_value_from_record (tv, rec, j+1, &ivalue);
1592 if (r != ERROR_SUCCESS)
1593 break;
1594
1595 r = TABLE_fetch_int(&tv->view, idx, j + 1, &x);
1596 if (r != ERROR_SUCCESS)
1597 return r;
1598
1599 if (ivalue > x)
1600 break;
1601 else if (ivalue == x)
1602 continue;
1603 else {
1604 TRACE("Found %d.\n", idx);
1605 *pidx = idx;
1606 return ERROR_SUCCESS;
1607 }
1608 }
1609 }
1610
1611 TRACE("Found %d.\n", idx);
1612 *pidx = idx;
1613 return ERROR_SUCCESS;
1614 }
1615
1616 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary )
1617 {
1618 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1619 UINT i, r;
1620
1621 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1622
1623 /* check that the key is unique - can we find a matching row? */
1624 r = table_validate_new( tv, rec );
1625 if( r != ERROR_SUCCESS )
1626 return ERROR_FUNCTION_FAILED;
1627
1628 if (row == -1)
1629 {
1630 r = find_insert_index(tv, rec, &row);
1631 if( r != ERROR_SUCCESS )
1632 return ERROR_FUNCTION_FAILED;
1633 }
1634
1635 r = table_create_new_row( view, &row, temporary );
1636 TRACE("insert_row returned %08x\n", r);
1637 if( r != ERROR_SUCCESS )
1638 return r;
1639
1640 /* shift the rows to make room for the new row */
1641 for (i = tv->table->row_count - 1; i > row; i--)
1642 {
1643 memmove(&(tv->table->data[i][0]),
1644 &(tv->table->data[i - 1][0]), tv->row_size);
1645 tv->table->data_persistent[i] = tv->table->data_persistent[i - 1];
1646 }
1647
1648 /* Re-set the persistence flag */
1649 tv->table->data_persistent[row] = !temporary;
1650 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1651 }
1652
1653 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1654 {
1655 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1656 UINT r, num_rows, num_cols, i;
1657
1658 TRACE("%p %d\n", tv, row);
1659
1660 if ( !tv->table )
1661 return ERROR_INVALID_PARAMETER;
1662
1663 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1664 if ( r != ERROR_SUCCESS )
1665 return r;
1666
1667 if ( row >= num_rows )
1668 return ERROR_FUNCTION_FAILED;
1669
1670 num_rows = tv->table->row_count;
1671 tv->table->row_count--;
1672
1673 /* reset the hash tables */
1674 for (i = 0; i < tv->num_cols; i++)
1675 {
1676 msi_free( tv->columns[i].hash_table );
1677 tv->columns[i].hash_table = NULL;
1678 }
1679
1680 for (i = row + 1; i < num_rows; i++)
1681 {
1682 memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size);
1683 tv->table->data_persistent[i - 1] = tv->table->data_persistent[i];
1684 }
1685
1686 msi_free(tv->table->data[num_rows - 1]);
1687
1688 return ERROR_SUCCESS;
1689 }
1690
1691 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1692 {
1693 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1694 UINT r, new_row;
1695
1696 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1697 * sets the fetched record apart from other records
1698 */
1699
1700 if (!tv->table)
1701 return ERROR_INVALID_PARAMETER;
1702
1703 r = msi_table_find_row(tv, rec, &new_row);
1704 if (r != ERROR_SUCCESS)
1705 {
1706 ERR("can't find row to modify\n");
1707 return ERROR_FUNCTION_FAILED;
1708 }
1709
1710 /* the row cannot be changed */
1711 if (row != new_row + 1)
1712 return ERROR_FUNCTION_FAILED;
1713
1714 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1715 }
1716
1717 static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
1718 {
1719 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1720 UINT r, row;
1721
1722 if (!tv->table)
1723 return ERROR_INVALID_PARAMETER;
1724
1725 r = msi_table_find_row(tv, rec, &row);
1726 if (r == ERROR_SUCCESS)
1727 return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1);
1728 else
1729 return TABLE_insert_row( view, rec, -1, FALSE );
1730 }
1731
1732 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1733 {
1734 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1735 UINT row, r;
1736
1737 r = msi_table_find_row(tv, rec, &row);
1738 if (r != ERROR_SUCCESS)
1739 return r;
1740
1741 return TABLE_delete_row(view, row);
1742 }
1743
1744 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1745 {
1746 MSIRECORD *curr;
1747 UINT r, i, count;
1748
1749 r = TABLE_get_row(view, row - 1, &curr);
1750 if (r != ERROR_SUCCESS)
1751 return r;
1752
1753 /* Close the original record */
1754 MSI_CloseRecord(&rec->hdr);
1755
1756 count = MSI_RecordGetFieldCount(rec);
1757 for (i = 0; i < count; i++)
1758 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1759
1760 msiobj_release(&curr->hdr);
1761 return ERROR_SUCCESS;
1762 }
1763
1764 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1765 MSIRECORD *rec, UINT row)
1766 {
1767 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1768 UINT r;
1769
1770 TRACE("%p %d %p\n", view, eModifyMode, rec );
1771
1772 switch (eModifyMode)
1773 {
1774 case MSIMODIFY_DELETE:
1775 r = modify_delete_row( view, rec );
1776 break;
1777 case MSIMODIFY_VALIDATE_NEW:
1778 r = table_validate_new( tv, rec );
1779 break;
1780
1781 case MSIMODIFY_INSERT:
1782 r = table_validate_new( tv, rec );
1783 if (r != ERROR_SUCCESS)
1784 break;
1785 r = TABLE_insert_row( view, rec, -1, FALSE );
1786 break;
1787
1788 case MSIMODIFY_INSERT_TEMPORARY:
1789 r = table_validate_new( tv, rec );
1790 if (r != ERROR_SUCCESS)
1791 break;
1792 r = TABLE_insert_row( view, rec, -1, TRUE );
1793 break;
1794
1795 case MSIMODIFY_REFRESH:
1796 r = msi_refresh_record( view, rec, row );
1797 break;
1798
1799 case MSIMODIFY_UPDATE:
1800 r = msi_table_update( view, rec, row );
1801 break;
1802
1803 case MSIMODIFY_ASSIGN:
1804 r = msi_table_assign( view, rec );
1805 break;
1806
1807 case MSIMODIFY_REPLACE:
1808 case MSIMODIFY_MERGE:
1809 case MSIMODIFY_VALIDATE:
1810 case MSIMODIFY_VALIDATE_FIELD:
1811 case MSIMODIFY_VALIDATE_DELETE:
1812 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1813 r = ERROR_CALL_NOT_IMPLEMENTED;
1814 break;
1815
1816 default:
1817 r = ERROR_INVALID_DATA;
1818 }
1819
1820 return r;
1821 }
1822
1823 static UINT TABLE_delete( struct tagMSIVIEW *view )
1824 {
1825 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1826
1827 TRACE("%p\n", view );
1828
1829 tv->table = NULL;
1830 tv->columns = NULL;
1831
1832 if (tv->order)
1833 {
1834 msi_free( tv->order->reorder );
1835 msi_free( tv->order );
1836 tv->order = NULL;
1837 }
1838
1839 msi_free( tv );
1840
1841 return ERROR_SUCCESS;
1842 }
1843
1844 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1845 UINT val, UINT *row, MSIITERHANDLE *handle )
1846 {
1847 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1848 const MSICOLUMNHASHENTRY *entry;
1849
1850 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1851
1852 if( !tv->table )
1853 return ERROR_INVALID_PARAMETER;
1854
1855 if( (col==0) || (col > tv->num_cols) )
1856 return ERROR_INVALID_PARAMETER;
1857
1858 if( !tv->columns[col-1].hash_table )
1859 {
1860 UINT i;
1861 UINT num_rows = tv->table->row_count;
1862 MSICOLUMNHASHENTRY **hash_table;
1863 MSICOLUMNHASHENTRY *new_entry;
1864
1865 if( tv->columns[col-1].offset >= tv->row_size )
1866 {
1867 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1868 ERR("%p %p\n", tv, tv->columns );
1869 return ERROR_FUNCTION_FAILED;
1870 }
1871
1872 /* allocate contiguous memory for the table and its entries so we
1873 * don't have to do an expensive cleanup */
1874 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1875 num_rows * sizeof(MSICOLUMNHASHENTRY));
1876 if (!hash_table)
1877 return ERROR_OUTOFMEMORY;
1878
1879 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1880 tv->columns[col-1].hash_table = hash_table;
1881
1882 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1883
1884 for (i = 0; i < num_rows; i++, new_entry++)
1885 {
1886 UINT row_value;
1887
1888 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1889 continue;
1890
1891 new_entry->next = NULL;
1892 new_entry->value = row_value;
1893 new_entry->row = i;
1894 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1895 {
1896 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1897 while (prev_entry->next)
1898 prev_entry = prev_entry->next;
1899 prev_entry->next = new_entry;
1900 }
1901 else
1902 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1903 }
1904 }
1905
1906 if( !*handle )
1907 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1908 else
1909 entry = (*handle)->next;
1910
1911 while (entry && entry->value != val)
1912 entry = entry->next;
1913
1914 *handle = entry;
1915 if (!entry)
1916 return ERROR_NO_MORE_ITEMS;
1917
1918 *row = entry->row;
1919
1920 return ERROR_SUCCESS;
1921 }
1922
1923 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1924 {
1925 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1926 UINT i;
1927
1928 TRACE("%p %d\n", view, tv->table->ref_count);
1929
1930 for (i = 0; i < tv->table->col_count; i++)
1931 {
1932 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1933 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
1934 }
1935
1936 return InterlockedIncrement(&tv->table->ref_count);
1937 }
1938
1939 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
1940 {
1941 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1942 MSIRECORD *rec = NULL;
1943 MSIVIEW *columns = NULL;
1944 UINT row, r;
1945
1946 rec = MSI_CreateRecord(2);
1947 if (!rec)
1948 return ERROR_OUTOFMEMORY;
1949
1950 MSI_RecordSetStringW(rec, 1, table);
1951 MSI_RecordSetInteger(rec, 2, number);
1952
1953 r = TABLE_CreateView(tv->db, szColumns, &columns);
1954 if (r != ERROR_SUCCESS)
1955 return r;
1956
1957 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
1958 if (r != ERROR_SUCCESS)
1959 goto done;
1960
1961 r = TABLE_delete_row(columns, row);
1962 if (r != ERROR_SUCCESS)
1963 goto done;
1964
1965 msi_update_table_columns(tv->db, table);
1966
1967 done:
1968 msiobj_release(&rec->hdr);
1969 columns->ops->delete(columns);
1970 return r;
1971 }
1972
1973 static UINT TABLE_release(struct tagMSIVIEW *view)
1974 {
1975 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1976 INT ref = tv->table->ref_count;
1977 UINT i, r;
1978
1979 TRACE("%p %d\n", view, ref);
1980
1981 for (i = 0; i < tv->table->col_count; i++)
1982 {
1983 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1984 {
1985 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
1986 if (ref == 0)
1987 {
1988 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
1989 tv->table->colinfo[i].number);
1990 if (r != ERROR_SUCCESS)
1991 break;
1992 }
1993 }
1994 }
1995
1996 ref = InterlockedDecrement(&tv->table->ref_count);
1997 if (ref == 0)
1998 {
1999 if (!tv->table->row_count)
2000 {
2001 list_remove(&tv->table->entry);
2002 free_table(tv->table);
2003 TABLE_delete(view);
2004 }
2005 }
2006
2007 return ref;
2008 }
2009
2010 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
2011 LPCWSTR column, UINT type, BOOL hold)
2012 {
2013 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2014 MSITABLE *msitable;
2015 MSIRECORD *rec;
2016 UINT r, i;
2017
2018 rec = MSI_CreateRecord(4);
2019 if (!rec)
2020 return ERROR_OUTOFMEMORY;
2021
2022 MSI_RecordSetStringW(rec, 1, table);
2023 MSI_RecordSetInteger(rec, 2, number);
2024 MSI_RecordSetStringW(rec, 3, column);
2025 MSI_RecordSetInteger(rec, 4, type);
2026
2027 r = TABLE_insert_row(&tv->view, rec, -1, FALSE);
2028 if (r != ERROR_SUCCESS)
2029 goto done;
2030
2031 msi_update_table_columns(tv->db, table);
2032
2033 if (!hold)
2034 goto done;
2035
2036 msitable = find_cached_table(tv->db, table);
2037 for (i = 0; i < msitable->col_count; i++)
2038 {
2039 if (!lstrcmpW(msitable->colinfo[i].colname, column))
2040 {
2041 InterlockedIncrement(&msitable->colinfo[i].ref_count);
2042 break;
2043 }
2044 }
2045
2046 done:
2047 msiobj_release(&rec->hdr);
2048 return r;
2049 }
2050
2051 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
2052 {
2053 UINT n, r, count;
2054 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2055
2056 r = TABLE_get_dimensions(view, NULL, &count);
2057 if (r != ERROR_SUCCESS)
2058 return r;
2059
2060 if (order->num_cols >= count)
2061 return ERROR_FUNCTION_FAILED;
2062
2063 r = VIEW_find_column(view, name, tv->name, &n);
2064 if (r != ERROR_SUCCESS)
2065 return r;
2066
2067 order->cols[order->num_cols] = n;
2068 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
2069
2070 order->num_cols++;
2071
2072 return ERROR_SUCCESS;
2073 }
2074
2075 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
2076 UINT a, UINT b, UINT *swap)
2077 {
2078 UINT r, i, a_val = 0, b_val = 0;
2079
2080 *swap = 0;
2081 for (i = 0; i < order->num_cols; i++)
2082 {
2083 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
2084 if (r != ERROR_SUCCESS)
2085 return r;
2086
2087 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
2088 if (r != ERROR_SUCCESS)
2089 return r;
2090
2091 if (a_val != b_val)
2092 {
2093 if (a_val > b_val)
2094 *swap = 1;
2095 break;
2096 }
2097 }
2098
2099 return ERROR_SUCCESS;
2100 }
2101
2102 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
2103 UINT left, UINT right)
2104 {
2105 UINT r, i, j, temp;
2106 UINT swap = 0, center = (left + right) / 2;
2107 UINT *array = order->reorder;
2108
2109 if (left == right)
2110 return ERROR_SUCCESS;
2111
2112 /* sort the left half */
2113 r = order_mergesort(view, order, left, center);
2114 if (r != ERROR_SUCCESS)
2115 return r;
2116
2117 /* sort the right half */
2118 r = order_mergesort(view, order, center + 1, right);
2119 if (r != ERROR_SUCCESS)
2120 return r;
2121
2122 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
2123 {
2124 r = order_compare(view, order, array[i], array[j], &swap);
2125 if (r != ERROR_SUCCESS)
2126 return r;
2127
2128 if (swap)
2129 {
2130 temp = array[j];
2131 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
2132 array[i] = temp;
2133 j++;
2134 center++;
2135 }
2136 }
2137
2138 return ERROR_SUCCESS;
2139 }
2140
2141 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
2142 {
2143 UINT i, swap, r;
2144
2145 for (i = 1; i < num_rows; i++)
2146 {
2147 r = order_compare(view, order, order->reorder[i - 1],
2148 order->reorder[i], &swap);
2149 if (r != ERROR_SUCCESS)
2150 return r;
2151
2152 if (!swap)
2153 continue;
2154
2155 ERR("Bad order! %d\n", i);
2156 return ERROR_FUNCTION_FAILED;
2157 }
2158
2159 return ERROR_SUCCESS;
2160 }
2161
2162 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2163 {
2164 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2165 MSIORDERINFO *order;
2166 column_info *ptr;
2167 UINT r, i;
2168 UINT rows, cols;
2169
2170 TRACE("sorting table %s\n", debugstr_w(tv->name));
2171
2172 r = TABLE_get_dimensions(view, &rows, &cols);
2173 if (r != ERROR_SUCCESS)
2174 return r;
2175
2176 if (rows == 0)
2177 return ERROR_SUCCESS;
2178
2179 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2180 if (!order)
2181 return ERROR_OUTOFMEMORY;
2182
2183 for (ptr = columns; ptr; ptr = ptr->next)
2184 order_add_column(view, order, ptr->column);
2185
2186 order->reorder = msi_alloc(rows * sizeof(UINT));
2187 if (!order->reorder)
2188 return ERROR_OUTOFMEMORY;
2189
2190 for (i = 0; i < rows; i++)
2191 order->reorder[i] = i;
2192
2193 r = order_mergesort(view, order, 0, rows - 1);
2194 if (r != ERROR_SUCCESS)
2195 return r;
2196
2197 r = order_verify(view, order, rows);
2198 if (r != ERROR_SUCCESS)
2199 return r;
2200
2201 tv->order = order;
2202
2203 return ERROR_SUCCESS;
2204 }
2205
2206 static UINT TABLE_drop(struct tagMSIVIEW *view)
2207 {
2208 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2209 MSIVIEW *tables = NULL;
2210 MSIRECORD *rec = NULL;
2211 UINT r, row;
2212 INT i;
2213
2214 TRACE("dropping table %s\n", debugstr_w(tv->name));
2215
2216 for (i = tv->table->col_count - 1; i >= 0; i--)
2217 {
2218 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2219 tv->table->colinfo[i].number);
2220 if (r != ERROR_SUCCESS)
2221 return r;
2222 }
2223
2224 rec = MSI_CreateRecord(1);
2225 if (!rec)
2226 return ERROR_OUTOFMEMORY;
2227
2228 MSI_RecordSetStringW(rec, 1, tv->name);
2229
2230 r = TABLE_CreateView(tv->db, szTables, &tables);
2231 if (r != ERROR_SUCCESS)
2232 return r;
2233
2234 r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
2235 if (r != ERROR_SUCCESS)
2236 goto done;
2237
2238 r = TABLE_delete_row(tables, row);
2239 if (r != ERROR_SUCCESS)
2240 goto done;
2241
2242 list_remove(&tv->table->entry);
2243 free_table(tv->table);
2244
2245 done:
2246 msiobj_release(&rec->hdr);
2247 tables->ops->delete(tables);
2248
2249 return r;
2250 }
2251
2252 static const MSIVIEWOPS table_ops =
2253 {
2254 TABLE_fetch_int,
2255 TABLE_fetch_stream,
2256 TABLE_get_row,
2257 TABLE_set_row,
2258 TABLE_insert_row,
2259 TABLE_delete_row,
2260 TABLE_execute,
2261 TABLE_close,
2262 TABLE_get_dimensions,
2263 TABLE_get_column_info,
2264 TABLE_modify,
2265 TABLE_delete,
2266 TABLE_find_matching_rows,
2267 TABLE_add_ref,
2268 TABLE_release,
2269 TABLE_add_column,
2270 TABLE_remove_column,
2271 TABLE_sort,
2272 TABLE_drop,
2273 };
2274
2275 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2276 {
2277 MSITABLEVIEW *tv ;
2278 UINT r, sz;
2279
2280 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
2281 static const WCHAR Storages[] = {'_','S','t','o','r','a','g','e','s',0};
2282
2283 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2284
2285 if ( !lstrcmpW( name, Streams ) )
2286 return STREAMS_CreateView( db, view );
2287 else if ( !lstrcmpW( name, Storages ) )
2288 return STORAGES_CreateView( db, view );
2289
2290 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2291 tv = msi_alloc_zero( sz );
2292 if( !tv )
2293 return ERROR_FUNCTION_FAILED;
2294
2295 r = get_table( db, name, &tv->table );
2296 if( r != ERROR_SUCCESS )
2297 {
2298 msi_free( tv );
2299 WARN("table not found\n");
2300 return r;
2301 }
2302
2303 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2304
2305 /* fill the structure */
2306 tv->view.ops = &table_ops;
2307 tv->db = db;
2308 tv->columns = tv->table->colinfo;
2309 tv->num_cols = tv->table->col_count;
2310 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count );
2311
2312 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2313
2314 *view = (MSIVIEW*) tv;
2315 lstrcpyW( tv->name, name );
2316
2317 return ERROR_SUCCESS;
2318 }
2319
2320 UINT MSI_CommitTables( MSIDATABASE *db )
2321 {
2322 UINT r;
2323 HRESULT hr;
2324 MSITABLE *table = NULL;
2325
2326 TRACE("%p\n",db);
2327
2328 r = msi_save_string_table( db->strings, db->storage );
2329 if( r != ERROR_SUCCESS )
2330 {
2331 WARN("failed to save string table r=%08x\n",r);
2332 return r;
2333 }
2334
2335 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2336 {
2337 r = save_table( db, table );
2338 if( r != ERROR_SUCCESS )
2339 {
2340 WARN("failed to save table %s (r=%08x)\n",
2341 debugstr_w(table->name), r);
2342 return r;
2343 }
2344 }
2345
2346 /* force everything to reload next time */
2347 free_cached_tables( db );
2348
2349 hr = IStorage_Commit( db->storage, 0 );
2350 if (FAILED( hr ))
2351 {
2352 WARN("failed to commit changes 0x%08x\n", hr);
2353 r = ERROR_FUNCTION_FAILED;
2354 }
2355 return r;
2356 }
2357
2358 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
2359 {
2360 MSITABLE *t;
2361 UINT r;
2362
2363 TRACE("%p %s\n", db, debugstr_w(table));
2364
2365 if (!table)
2366 return MSICONDITION_ERROR;
2367
2368 r = get_table( db, table, &t );
2369 if (r != ERROR_SUCCESS)
2370 return MSICONDITION_NONE;
2371
2372 return t->persistent;
2373 }
2374
2375 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
2376 {
2377 UINT ret = 0, i;
2378
2379 for (i = 0; i < bytes; i++)
2380 ret += (data[col + i] << i * 8);
2381
2382 return ret;
2383 }
2384
2385 static UINT msi_record_encoded_stream_name( const MSITABLEVIEW *tv, MSIRECORD *rec, LPWSTR *pstname )
2386 {
2387 LPWSTR stname = NULL, sval, p;
2388 DWORD len;
2389 UINT i, r;
2390
2391 TRACE("%p %p\n", tv, rec);
2392
2393 len = lstrlenW( tv->name ) + 1;
2394 stname = msi_alloc( len*sizeof(WCHAR) );
2395 if ( !stname )
2396 {
2397 r = ERROR_OUTOFMEMORY;
2398 goto err;
2399 }
2400
2401 lstrcpyW( stname, tv->name );
2402
2403 for ( i = 0; i < tv->num_cols; i++ )
2404 {
2405 if ( tv->columns[i].type & MSITYPE_KEY )
2406 {
2407 sval = msi_dup_record_field( rec, i + 1 );
2408 if ( !sval )
2409 {
2410 r = ERROR_OUTOFMEMORY;
2411 goto err;
2412 }
2413
2414 len += lstrlenW( szDot ) + lstrlenW ( sval );
2415 p = msi_realloc ( stname, len*sizeof(WCHAR) );
2416 if ( !p )
2417 {
2418 r = ERROR_OUTOFMEMORY;
2419 goto err;
2420 }
2421 stname = p;
2422
2423 lstrcatW( stname, szDot );
2424 lstrcatW( stname, sval );
2425
2426 msi_free( sval );
2427 }
2428 else
2429 continue;
2430 }
2431
2432 *pstname = encode_streamname( FALSE, stname );
2433 msi_free( stname );
2434
2435 return ERROR_SUCCESS;
2436
2437 err:
2438 msi_free ( stname );
2439 *pstname = NULL;
2440 return r;
2441 }
2442
2443 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
2444 IStorage *stg,
2445 const BYTE *rawdata, UINT bytes_per_strref )
2446 {
2447 UINT i, val, ofs = 0;
2448 USHORT mask;
2449 MSICOLUMNINFO *columns = tv->columns;
2450 MSIRECORD *rec;
2451
2452 mask = rawdata[0] | (rawdata[1] << 8);
2453 rawdata += 2;
2454
2455 rec = MSI_CreateRecord( tv->num_cols );
2456 if( !rec )
2457 return rec;
2458
2459 TRACE("row ->\n");
2460 for( i=0; i<tv->num_cols; i++ )
2461 {
2462 if ( (mask&1) && (i>=(mask>>8)) )
2463 break;
2464 /* all keys must be present */
2465 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
2466 continue;
2467
2468 if( MSITYPE_IS_BINARY(tv->columns[i].type) )
2469 {
2470 LPWSTR encname;
2471 IStream *stm = NULL;
2472 UINT r;
2473
2474 ofs += bytes_per_column( tv->db, &columns[i] );
2475
2476 r = msi_record_encoded_stream_name( tv, rec, &encname );
2477 if ( r != ERROR_SUCCESS )
2478 return NULL;
2479
2480 r = IStorage_OpenStream( stg, encname, NULL,
2481 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
2482 msi_free( encname );
2483 if ( r != ERROR_SUCCESS )
2484 return NULL;
2485
2486 MSI_RecordSetStream( rec, i+1, stm );
2487 TRACE(" field %d [%s]\n", i+1, debugstr_w(encname));
2488 }
2489 else if( columns[i].type & MSITYPE_STRING )
2490 {
2491 LPCWSTR sval;
2492
2493 val = read_raw_int(rawdata, ofs, bytes_per_strref);
2494 sval = msi_string_lookup_id( st, val );
2495 MSI_RecordSetStringW( rec, i+1, sval );
2496 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
2497 ofs += bytes_per_strref;
2498 }
2499 else
2500 {
2501 UINT n = bytes_per_column( tv->db, &columns[i] );
2502 switch( n )
2503 {
2504 case 2:
2505 val = read_raw_int(rawdata, ofs, n);
2506 if (val)
2507 MSI_RecordSetInteger( rec, i+1, val-0x8000 );
2508 TRACE(" field %d [0x%04x]\n", i+1, val );
2509 break;
2510 case 4:
2511 val = read_raw_int(rawdata, ofs, n);
2512 if (val)
2513 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2514 TRACE(" field %d [0x%08x]\n", i+1, val );
2515 break;
2516 default:
2517 ERR("oops - unknown column width %d\n", n);
2518 break;
2519 }
2520 ofs += n;
2521 }
2522 }
2523 return rec;
2524 }
2525
2526 static void dump_record( MSIRECORD *rec )
2527 {
2528 UINT i, n;
2529
2530 n = MSI_RecordGetFieldCount( rec );
2531 for( i=1; i<=n; i++ )
2532 {
2533 LPCWSTR sval = MSI_RecordGetString( rec, i );
2534
2535 if( MSI_RecordIsNull( rec, i ) )
2536 TRACE("row -> []\n");
2537 else if( (sval = MSI_RecordGetString( rec, i )) )
2538 TRACE("row -> [%s]\n", debugstr_w(sval));
2539 else
2540 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2541 }
2542 }
2543
2544 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2545 {
2546 LPCWSTR sval;
2547 UINT i;
2548
2549 for( i=0; i<(rawsize/2); i++ )
2550 {
2551 sval = msi_string_lookup_id( st, rawdata[i] );
2552 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2553 }
2554 }
2555
2556 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2557 {
2558 LPCWSTR str;
2559 UINT i, r, *data;
2560
2561 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2562 for( i=0; i<tv->num_cols; i++ )
2563 {
2564 data[i] = 0;
2565
2566 if ( ~tv->columns[i].type & MSITYPE_KEY )
2567 continue;
2568
2569 /* turn the transform column value into a row value */
2570 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2571 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2572 {
2573 str = MSI_RecordGetString( rec, i+1 );
2574 r = msi_string2idW( tv->db->strings, str, &data[i] );
2575
2576 /* if there's no matching string in the string table,
2577 these keys can't match any record, so fail now. */
2578 if( ERROR_SUCCESS != r )
2579 {
2580 msi_free( data );
2581 return NULL;
2582 }
2583 }
2584 else
2585 {
2586 data[i] = MSI_RecordGetInteger( rec, i+1 );
2587
2588 if (data[i] == MSI_NULL_INTEGER)
2589 data[i] = 0;
2590 else if ((tv->columns[i].type&0xff) == 2)
2591 data[i] += 0x8000;
2592 else
2593 data[i] += 0x80000000;
2594 }
2595 }
2596 return data;
2597 }
2598
2599 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2600 {
2601 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2602
2603 for( i=0; i<tv->num_cols; i++ )
2604 {
2605 if ( ~tv->columns[i].type & MSITYPE_KEY )
2606 continue;
2607
2608 /* turn the transform column value into a row value */
2609 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2610 if ( r != ERROR_SUCCESS )
2611 {
2612 ERR("TABLE_fetch_int shouldn't fail here\n");
2613 break;
2614 }
2615
2616 /* if this key matches, move to the next column */
2617 if ( x != data[i] )
2618 {
2619 ret = ERROR_FUNCTION_FAILED;
2620 break;
2621 }
2622
2623 ret = ERROR_SUCCESS;
2624 }
2625
2626 return ret;
2627 }
2628
2629 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2630 {
2631 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2632
2633 data = msi_record_to_row( tv, rec );
2634 if( !data )
2635 return r;
2636 for( i = 0; i < tv->table->row_count; i++ )
2637 {
2638 r = msi_row_matches( tv, i, data );
2639 if( r == ERROR_SUCCESS )
2640 {
2641 *row = i;
2642 break;
2643 }
2644 }
2645 msi_free( data );
2646 return r;
2647 }
2648
2649 typedef struct
2650 {
2651 struct list entry;
2652 LPWSTR name;
2653 } TRANSFORMDATA;
2654
2655 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2656 string_table *st, TRANSFORMDATA *transform,
2657 UINT bytes_per_strref )
2658 {
2659 UINT rawsize = 0;
2660 BYTE *rawdata = NULL;
2661 MSITABLEVIEW *tv = NULL;
2662 UINT r, n, sz, i, mask;
2663 MSIRECORD *rec = NULL;
2664 UINT colcol = 0;
2665 WCHAR coltable[32];
2666 LPWSTR name;
2667
2668 if (!transform)
2669 return ERROR_SUCCESS;
2670
2671 name = transform->name;
2672
2673 coltable[0] = 0;
2674 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2675
2676 /* read the transform data */
2677 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2678 if ( !rawdata )
2679 {
2680 TRACE("table %s empty\n", debugstr_w(name) );
2681 return ERROR_INVALID_TABLE;
2682 }
2683
2684 /* create a table view */
2685 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2686 if( r != ERROR_SUCCESS )
2687 goto err;
2688
2689 r = tv->view.ops->execute( &tv->view, NULL );
2690 if( r != ERROR_SUCCESS )
2691 goto err;
2692
2693 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2694 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2695
2696 /* interpret the data */
2697 r = ERROR_SUCCESS;
2698 for( n=0; n < rawsize; )
2699 {
2700 mask = rawdata[n] | (rawdata[n+1] << 8);
2701
2702 if (mask&1)
2703 {
2704 /*
2705 * if the low bit is set, columns are continuous and
2706 * the number of columns is specified in the high byte
2707 */
2708 sz = 2;
2709 for( i=0; i<tv->num_cols; i++ )
2710 {
2711 if( (tv->columns[i].type & MSITYPE_STRING) &&
2712 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2713 sz += bytes_per_strref;
2714 else
2715 sz += bytes_per_column( tv->db, &tv->columns[i] );
2716 }
2717 }
2718 else
2719 {
2720 /*
2721 * If the low bit is not set, mask is a bitmask.
2722 * Excepting for key fields, which are always present,
2723 * each bit indicates that a field is present in the transform record.
2724 *
2725 * mask == 0 is a special case ... only the keys will be present
2726 * and it means that this row should be deleted.
2727 */
2728 sz = 2;
2729 for( i=0; i<tv->num_cols; i++ )
2730 {
2731 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2732 {
2733 if( (tv->columns[i].type & MSITYPE_STRING) &&
2734 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2735 sz += bytes_per_strref;
2736 else
2737 sz += bytes_per_column( tv->db, &tv->columns[i] );
2738 }
2739 }
2740 }
2741
2742 /* check we didn't run of the end of the table */
2743 if ( (n+sz) > rawsize )
2744 {
2745 ERR("borked.\n");
2746 dump_table( st, (USHORT *)rawdata, rawsize );
2747 break;
2748 }
2749
2750 rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref );
2751 if (rec)
2752 {
2753 WCHAR table[32];
2754 DWORD sz = 32;
2755 UINT number = MSI_NULL_INTEGER;
2756 UINT row = 0;
2757
2758 if (!lstrcmpW( name, szColumns ))
2759 {
2760 MSI_RecordGetStringW( rec, 1, table, &sz );
2761 number = MSI_RecordGetInteger( rec, 2 );
2762
2763 /*
2764 * Native msi seems writes nul into the Number (2nd) column of
2765 * the _Columns table, only when the columns are from a new table
2766 */
2767 if ( number == MSI_NULL_INTEGER )
2768 {
2769 /* reset the column number on a new table */
2770 if (lstrcmpW( coltable, table ))
2771 {
2772 colcol = 0;
2773 lstrcpyW( coltable, table );
2774 }
2775
2776 /* fix nul column numbers */
2777 MSI_RecordSetInteger( rec, 2, ++colcol );
2778 }
2779 }
2780
2781 if (TRACE_ON(msidb)) dump_record( rec );
2782
2783 r = msi_table_find_row( tv, rec, &row );
2784 if (r == ERROR_SUCCESS)
2785 {
2786 if (!mask)
2787 {
2788 TRACE("deleting row [%d]:\n", row);
2789 r = TABLE_delete_row( &tv->view, row );
2790 if (r != ERROR_SUCCESS)
2791 WARN("failed to delete row %u\n", r);
2792 }
2793 else if (mask & 1)
2794 {
2795 TRACE("modifying full row [%d]:\n", row);
2796 r = TABLE_set_row( &tv->view, row, rec, (1 << tv->num_cols) - 1 );
2797 if (r != ERROR_SUCCESS)
2798 WARN("failed to modify row %u\n", r);
2799 }
2800 else
2801 {
2802 TRACE("modifying masked row [%d]:\n", row);
2803 r = TABLE_set_row( &tv->view, row, rec, mask );
2804 if (r != ERROR_SUCCESS)
2805 WARN("failed to modify row %u\n", r);
2806 }
2807 }
2808 else
2809 {
2810 TRACE("inserting row\n");
2811 r = TABLE_insert_row( &tv->view, rec, -1, FALSE );
2812 if (r != ERROR_SUCCESS)
2813 WARN("failed to insert row %u\n", r);
2814 }
2815
2816 if (number != MSI_NULL_INTEGER && !lstrcmpW( name, szColumns ))
2817 msi_update_table_columns( db, table );
2818
2819 msiobj_release( &rec->hdr );
2820 }
2821
2822 n += sz;
2823 }
2824
2825 err:
2826 /* no need to free the table, it's associated with the database */
2827 msi_free( rawdata );
2828 if( tv )
2829 tv->view.ops->delete( &tv->view );
2830
2831 return ERROR_SUCCESS;
2832 }
2833
2834 /*
2835 * msi_table_apply_transform
2836 *
2837 * Enumerate the table transforms in a transform storage and apply each one.
2838 */
2839 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2840 {
2841 struct list transforms;
2842 IEnumSTATSTG *stgenum = NULL;
2843 TRANSFORMDATA *transform;
2844 TRANSFORMDATA *tables = NULL, *columns = NULL;
2845 HRESULT r;
2846 STATSTG stat;
2847 string_table *strings;
2848 UINT ret = ERROR_FUNCTION_FAILED;
2849 UINT bytes_per_strref;
2850
2851 TRACE("%p %p\n", db, stg );
2852
2853 strings = msi_load_string_table( stg, &bytes_per_strref );
2854 if( !strings )
2855 goto end;
2856
2857 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2858 if( FAILED( r ) )
2859 goto end;
2860
2861 list_init(&transforms);
2862
2863 while ( TRUE )
2864 {
2865 MSITABLEVIEW *tv = NULL;
2866 WCHAR name[0x40];
2867 ULONG count = 0;
2868
2869 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2870 if ( FAILED( r ) || !count )
2871 break;
2872
2873 decode_streamname( stat.pwcsName, name );
2874 CoTaskMemFree( stat.pwcsName );
2875 if ( name[0] != 0x4840 )
2876 continue;
2877
2878 if ( !lstrcmpW( name+1, szStringPool ) ||
2879 !lstrcmpW( name+1, szStringData ) )
2880 continue;
2881
2882 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2883 if ( !transform )
2884 break;
2885
2886 list_add_tail( &transforms, &transform->entry );
2887
2888 transform->name = strdupW( name + 1 );
2889
2890 if ( !lstrcmpW( transform->name, szTables ) )
2891 tables = transform;
2892 else if (!lstrcmpW( transform->name, szColumns ) )
2893 columns = transform;
2894
2895 TRACE("transform contains stream %s\n", debugstr_w(name));
2896
2897 /* load the table */
2898 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2899 if( r != ERROR_SUCCESS )
2900 continue;
2901
2902 r = tv->view.ops->execute( &tv->view, NULL );
2903 if( r != ERROR_SUCCESS )
2904 {
2905 tv->view.ops->delete( &tv->view );
2906 continue;
2907 }
2908
2909 tv->view.ops->delete( &tv->view );
2910 }
2911
2912 /*
2913 * Apply _Tables and _Columns transforms first so that
2914 * the table metadata is correct, and empty tables exist.
2915 */
2916 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2917 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2918 goto end;
2919
2920 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2921 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2922 goto end;
2923
2924 ret = ERROR_SUCCESS;
2925
2926 while ( !list_empty( &transforms ) )
2927 {
2928 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2929
2930 if ( lstrcmpW( transform->name, szColumns ) &&
2931 lstrcmpW( transform->name, szTables ) &&
2932 ret == ERROR_SUCCESS )
2933 {
2934 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2935 }
2936
2937 list_remove( &transform->entry );
2938 msi_free( transform->name );
2939 msi_free( transform );
2940 }
2941
2942 if ( ret == ERROR_SUCCESS )
2943 append_storage_to_db( db, stg );
2944
2945 end:
2946 if ( stgenum )
2947 IEnumSTATSTG_Release( stgenum );
2948 if ( strings )
2949 msi_destroy_stringtable( strings );
2950
2951 return ret;
2952 }
Maarten's multimedia branch