dlls/msi/msipriv.h

   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 #ifndef __WINE_MSI_PRIVATE__
  22 #define __WINE_MSI_PRIVATE__
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "msi.h"
  29 #include "msiquery.h"
  30 #include "objbase.h"
  31 #include "objidl.h"
  32 #include "winnls.h"
  33 #include "wine/list.h"
  34
  35 #define MSI_DATASIZEMASK 0x00ff
  36 #define MSITYPE_VALID    0x0100
  37 #define MSITYPE_LOCALIZABLE 0x200
  38 #define MSITYPE_STRING   0x0800
  39 #define MSITYPE_NULLABLE 0x1000
  40 #define MSITYPE_KEY      0x2000
  41
  42 /* Word Count masks */
  43 #define MSIWORDCOUNT_SHORTFILENAMES     0x0001
  44 #define MSIWORDCOUNT_COMPRESSED         0x0002
  45 #define MSIWORDCOUNT_ADMINISTRATIVE     0x0004
  46 #define MSIWORDCOUNT_PRIVILEGES         0x0008
  47
  48 #define MSITYPE_IS_BINARY(type) (((type) & ~MSITYPE_NULLABLE) == (MSITYPE_STRING|MSITYPE_VALID))
  49
  50 struct tagMSITABLE;
  51 typedef struct tagMSITABLE MSITABLE;
  52
  53 struct string_table;
  54 typedef struct string_table string_table;
  55
  56 struct tagMSIOBJECTHDR;
  57 typedef struct tagMSIOBJECTHDR MSIOBJECTHDR;
  58
  59 typedef VOID (*msihandledestructor)( MSIOBJECTHDR * );
  60
  61 struct tagMSIOBJECTHDR
  62 {
  63     UINT magic;
  64     UINT type;
  65     LONG refcount;
  66     msihandledestructor destructor;
  67 };
  68
  69 typedef struct tagMSIDATABASE
  70 {
  71     MSIOBJECTHDR hdr;
  72     IStorage *storage;
  73     string_table *strings;
  74     LPWSTR path;
  75     LPWSTR deletefile;
  76     LPCWSTR mode;
  77     struct list tables;
  78     struct list transforms;
  79 } MSIDATABASE;
  80
  81 typedef struct tagMSIVIEW MSIVIEW;
  82
  83 typedef struct tagMSIQUERY
  84 {
  85     MSIOBJECTHDR hdr;
  86     MSIVIEW *view;
  87     UINT row;
  88     MSIDATABASE *db;
  89     struct list mem;
  90 } MSIQUERY;
  91
  92 /* maybe we can use a Variant instead of doing it ourselves? */
  93 typedef struct tagMSIFIELD
  94 {
  95     UINT type;
  96     union
  97     {
  98         INT iVal;
  99         LPWSTR szwVal;
 100         IStream *stream;
 101     } u;
 102 } MSIFIELD;
 103
 104 typedef struct tagMSIRECORD
 105 {
 106     MSIOBJECTHDR hdr;
 107     UINT count;       /* as passed to MsiCreateRecord */
 108     MSIFIELD fields[1]; /* nb. array size is count+1 */
 109 } MSIRECORD;
 110
 111 typedef void *MSIITERHANDLE;
 112
 113 typedef struct tagMSIVIEWOPS
 114 {
 115     /*
 116      * fetch_int - reads one integer from {row,col} in the table
 117      *
 118      *  This function should be called after the execute method.
 119      *  Data returned by the function should not change until
 120      *   close or delete is called.
 121      *  To get a string value, query the database's string table with
 122      *   the integer value returned from this function.
 123      */
 124     UINT (*fetch_int)( struct tagMSIVIEW *, UINT row, UINT col, UINT *val );
 125
 126     /*
 127      * fetch_stream - gets a stream from {row,col} in the table
 128      *
 129      *  This function is similar to fetch_int, except fetches a
 130      *    stream instead of an integer.
 131      */
 132     UINT (*fetch_stream)( struct tagMSIVIEW *, UINT row, UINT col, IStream **stm );
 133
 134     /*
 135      * get_int - sets one integer at {row,col} in the table
 136      *
 137      *  Similar semantics to fetch_int
 138      */
 139     UINT (*set_int)( struct tagMSIVIEW *, UINT row, UINT col, UINT val );
 140
 141     /*
 142      * Inserts a new row into the database from the records contents
 143      */
 144     UINT (*insert_row)( struct tagMSIVIEW *, MSIRECORD * );
 145
 146     /*
 147      * execute - loads the underlying data into memory so it can be read
 148      */
 149     UINT (*execute)( struct tagMSIVIEW *, MSIRECORD * );
 150
 151     /*
 152      * close - clears the data read by execute from memory
 153      */
 154     UINT (*close)( struct tagMSIVIEW * );
 155
 156     /*
 157      * get_dimensions - returns the number of rows or columns in a table.
 158      *
 159      *  The number of rows can only be queried after the execute method
 160      *   is called. The number of columns can be queried at any time.
 161      */
 162     UINT (*get_dimensions)( struct tagMSIVIEW *, UINT *rows, UINT *cols );
 163
 164     /*
 165      * get_column_info - returns the name and type of a specific column
 166      *
 167      *  The name is HeapAlloc'ed by this function and should be freed by
 168      *   the caller.
 169      *  The column information can be queried at any time.
 170      */
 171     UINT (*get_column_info)( struct tagMSIVIEW *, UINT n, LPWSTR *name, UINT *type );
 172
 173     /*
 174      * modify - not yet implemented properly
 175      */
 176     UINT (*modify)( struct tagMSIVIEW *, MSIMODIFY, MSIRECORD * );
 177
 178     /*
 179      * delete - destroys the structure completely
 180      */
 181     UINT (*delete)( struct tagMSIVIEW * );
 182
 183     /*
 184      * find_matching_rows - iterates through rows that match a value
 185      *
 186      * If the column type is a string then a string ID should be passed in.
 187      *  If the value to be looked up is an integer then no transformation of
 188      *  the input value is required, except if the column is a string, in which
 189      *  case a string ID should be passed in.
 190      * The handle is an input/output parameter that keeps track of the current
 191      *  position in the iteration. It must be initialised to zero before the
 192      *  first call and continued to be passed in to subsequent calls.
 193      */
 194     UINT (*find_matching_rows)( struct tagMSIVIEW *, UINT col, UINT val, UINT *row, MSIITERHANDLE *handle );
 195 } MSIVIEWOPS;
 196
 197 struct tagMSIVIEW
 198 {
 199     MSIOBJECTHDR hdr;
 200     const MSIVIEWOPS *ops;
 201 };
 202
 203 struct msi_dialog_tag;
 204 typedef struct msi_dialog_tag msi_dialog;
 205
 206 #define PROPERTY_HASH_SIZE 67
 207
 208 typedef struct tagMSIPACKAGE
 209 {
 210     MSIOBJECTHDR hdr;
 211     MSIDATABASE *db;
 212     struct list components;
 213     struct list features;
 214     struct list files;
 215     struct list tempfiles;
 216     struct list folders;
 217     LPWSTR ActionFormat;
 218     LPWSTR LastAction;
 219
 220     struct list classes;
 221     struct list extensions;
 222     struct list progids;
 223     struct list mimes;
 224     struct list appids;
 225
 226     struct tagMSISCRIPT *script;
 227
 228     struct list RunningActions;
 229
 230     LPWSTR PackagePath;
 231     LPWSTR ProductCode;
 232
 233     UINT CurrentInstallState;
 234     msi_dialog *dialog;
 235     LPWSTR next_dialog;
 236     float center_x;
 237     float center_y;
 238
 239     UINT WordCount;
 240
 241     struct list props[PROPERTY_HASH_SIZE];
 242
 243     struct list subscriptions;
 244 } MSIPACKAGE;
 245
 246 typedef struct tagMSIPREVIEW
 247 {
 248     MSIOBJECTHDR hdr;
 249     MSIPACKAGE *package;
 250     msi_dialog *dialog;
 251 } MSIPREVIEW;
 252
 253 #define MSI_MAX_PROPS 20
 254
 255 typedef struct tagMSISUMMARYINFO
 256 {
 257     MSIOBJECTHDR hdr;
 258     MSIDATABASE *db;
 259     DWORD update_count;
 260     PROPVARIANT property[MSI_MAX_PROPS];
 261 } MSISUMMARYINFO;
 262
 263 #define MSIHANDLETYPE_ANY 0
 264 #define MSIHANDLETYPE_DATABASE 1
 265 #define MSIHANDLETYPE_SUMMARYINFO 2
 266 #define MSIHANDLETYPE_VIEW 3
 267 #define MSIHANDLETYPE_RECORD 4
 268 #define MSIHANDLETYPE_PACKAGE 5
 269 #define MSIHANDLETYPE_PREVIEW 6
 270
 271 #define MSI_MAJORVERSION 3
 272 #define MSI_MINORVERSION 1
 273 #define MSI_BUILDNUMBER 4000
 274
 275 #define GUID_SIZE 39
 276
 277 #define MSIHANDLE_MAGIC 0x4d434923
 278
 279 DEFINE_GUID(CLSID_IMsiServer,   0x000C101C,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 280 DEFINE_GUID(CLSID_IMsiServerX1, 0x000C103E,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 281 DEFINE_GUID(CLSID_IMsiServerX2, 0x000C1090,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 282 DEFINE_GUID(CLSID_IMsiServerX3, 0x000C1094,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 283
 284 DEFINE_GUID(CLSID_IMsiServerMessage, 0x000C101D,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 285
 286 /* handle unicode/ascii output in the Msi* API functions */
 287 typedef struct {
 288     BOOL unicode;
 289     union {
 290        LPSTR a;
 291        LPWSTR w;
 292     } str;
 293 } awstring;
 294
 295 typedef struct {
 296     BOOL unicode;
 297     union {
 298        LPCSTR a;
 299        LPCWSTR w;
 300     } str;
 301 } awcstring;
 302
 303 UINT msi_strcpy_to_awstring( LPCWSTR str, awstring *awbuf, DWORD *sz );
 304
 305 /* handle functions */
 306 extern void *msihandle2msiinfo(MSIHANDLE handle, UINT type);
 307 extern MSIHANDLE alloc_msihandle( MSIOBJECTHDR * );
 308 extern void *alloc_msiobject(UINT type, UINT size, msihandledestructor destroy );
 309 extern void msiobj_addref(MSIOBJECTHDR *);
 310 extern int msiobj_release(MSIOBJECTHDR *);
 311 extern void msiobj_lock(MSIOBJECTHDR *);
 312 extern void msiobj_unlock(MSIOBJECTHDR *);
 313 extern void msi_free_handle_table(void);
 314
 315 extern void free_cached_tables( MSIDATABASE *db );
 316 extern void msi_free_transforms( MSIDATABASE *db );
 317 extern string_table *load_string_table( IStorage *stg );
 318 extern UINT MSI_CommitTables( MSIDATABASE *db );
 319 extern HRESULT init_string_table( IStorage *stg );
 320
 321
 322 /* string table functions */
 323 extern BOOL msi_addstring( string_table *st, UINT string_no, const CHAR *data, int len, UINT refcount );
 324 extern BOOL msi_addstringW( string_table *st, UINT string_no, const WCHAR *data, int len, UINT refcount );
 325 extern UINT msi_id2stringW( string_table *st, UINT string_no, LPWSTR buffer, UINT *sz );
 326 extern UINT msi_id2stringA( string_table *st, UINT string_no, LPSTR buffer, UINT *sz );
 327
 328 extern UINT msi_string2idW( string_table *st, LPCWSTR buffer, UINT *id );
 329 extern UINT msi_string2idA( string_table *st, LPCSTR str, UINT *id );
 330 extern string_table *msi_init_stringtable( int entries, UINT codepage );
 331 extern VOID msi_destroy_stringtable( string_table *st );
 332 extern UINT msi_string_count( string_table *st );
 333 extern UINT msi_id_refcount( string_table *st, UINT i );
 334 extern UINT msi_string_totalsize( string_table *st, UINT *datasize, UINT *poolsize );
 335 extern UINT msi_strcmp( string_table *st, UINT lval, UINT rval, UINT *res );
 336 extern const WCHAR *msi_string_lookup_id( string_table *st, UINT id );
 337 extern UINT msi_string_get_codepage( string_table *st );
 338
 339
 340 extern BOOL TABLE_Exists( MSIDATABASE *db, LPWSTR name );
 341 extern MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table );
 342
 343 extern UINT read_raw_stream_data( MSIDATABASE*, LPCWSTR stname,
 344                               USHORT **pdata, UINT *psz );
 345
 346 /* transform functions */
 347 extern UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg );
 348 extern UINT MSI_DatabaseApplyTransformW( MSIDATABASE *db,
 349                  LPCWSTR szTransformFile, int iErrorCond );
 350
 351 /* action internals */
 352 extern UINT MSI_InstallPackage( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 353 extern void ACTION_free_package_structures( MSIPACKAGE* );
 354 extern UINT ACTION_DialogBox( MSIPACKAGE*, LPCWSTR);
 355 extern UINT MSI_Sequence( MSIPACKAGE *package, LPCWSTR szTable, INT iSequenceMode );
 356 extern UINT MSI_SetFeatureStates( MSIPACKAGE *package );
 357
 358 /* record internals */
 359 extern UINT MSI_RecordSetIStream( MSIRECORD *, unsigned int, IStream *);
 360 extern UINT MSI_RecordGetIStream( MSIRECORD *, unsigned int, IStream **);
 361 extern const WCHAR *MSI_RecordGetString( MSIRECORD *, unsigned int );
 362 extern MSIRECORD *MSI_CreateRecord( unsigned int );
 363 extern UINT MSI_RecordSetInteger( MSIRECORD *, unsigned int, int );
 364 extern UINT MSI_RecordSetStringW( MSIRECORD *, unsigned int, LPCWSTR );
 365 extern UINT MSI_RecordSetStringA( MSIRECORD *, unsigned int, LPCSTR );
 366 extern BOOL MSI_RecordIsNull( MSIRECORD *, unsigned int );
 367 extern UINT MSI_RecordGetStringW( MSIRECORD * , unsigned int, LPWSTR, DWORD *);
 368 extern UINT MSI_RecordGetStringA( MSIRECORD *, unsigned int, LPSTR, DWORD *);
 369 extern int MSI_RecordGetInteger( MSIRECORD *, unsigned int );
 370 extern UINT MSI_RecordReadStream( MSIRECORD *, unsigned int, char *, DWORD *);
 371 extern unsigned int MSI_RecordGetFieldCount( MSIRECORD *rec );
 372 extern UINT MSI_RecordSetStreamW( MSIRECORD *, unsigned int, LPCWSTR );
 373 extern UINT MSI_RecordSetStreamA( MSIRECORD *, unsigned int, LPCSTR );
 374 extern UINT MSI_RecordDataSize( MSIRECORD *, unsigned int );
 375 extern UINT MSI_RecordStreamToFile( MSIRECORD *, unsigned int, LPCWSTR );
 376 extern UINT MSI_RecordCopyField( MSIRECORD *, unsigned int, MSIRECORD *, unsigned int );
 377
 378 /* stream internals */
 379 extern UINT get_raw_stream( MSIHANDLE hdb, LPCWSTR stname, IStream **stm );
 380 extern UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm );
 381 extern void enum_stream_names( IStorage *stg );
 382
 383 /* database internals */
 384 extern UINT MSI_OpenDatabaseW( LPCWSTR, LPCWSTR, MSIDATABASE ** );
 385 extern UINT MSI_DatabaseOpenViewW(MSIDATABASE *, LPCWSTR, MSIQUERY ** );
 386 extern UINT MSI_OpenQuery( MSIDATABASE *, MSIQUERY **, LPCWSTR, ... );
 387 typedef UINT (*record_func)( MSIRECORD *, LPVOID );
 388 extern UINT MSI_ReverseIterateRecords( MSIQUERY *, DWORD *, record_func, LPVOID );
 389 extern UINT MSI_IterateRecords( MSIQUERY *, DWORD *, record_func, LPVOID );
 390 extern MSIRECORD *MSI_QueryGetRecord( MSIDATABASE *db, LPCWSTR query, ... );
 391 extern UINT MSI_DatabaseImport( MSIDATABASE *, LPCWSTR, LPCWSTR );
 392 extern UINT MSI_DatabaseExport( MSIDATABASE *, LPCWSTR, LPCWSTR, LPCWSTR );
 393 extern UINT MSI_DatabaseGetPrimaryKeys( MSIDATABASE *, LPCWSTR, MSIRECORD ** );
 394
 395 /* view internals */
 396 extern UINT MSI_ViewExecute( MSIQUERY*, MSIRECORD * );
 397 extern UINT MSI_ViewFetch( MSIQUERY*, MSIRECORD ** );
 398 extern UINT MSI_ViewClose( MSIQUERY* );
 399 extern UINT MSI_ViewGetColumnInfo(MSIQUERY *, MSICOLINFO, MSIRECORD **);
 400 extern UINT VIEW_find_column( MSIVIEW *, LPCWSTR, UINT * );
 401
 402
 403 /* install internals */
 404 extern UINT MSI_SetInstallLevel( MSIPACKAGE *package, int iInstallLevel );
 405
 406 /* package internals */
 407 extern MSIPACKAGE *MSI_CreatePackage( MSIDATABASE * );
 408 extern UINT MSI_OpenPackageW( LPCWSTR szPackage, MSIPACKAGE ** );
 409 extern UINT MSI_SetTargetPathW( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 410 extern UINT MSI_SetPropertyW( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 411 extern INT MSI_ProcessMessage( MSIPACKAGE *, INSTALLMESSAGE, MSIRECORD * );
 412 extern UINT MSI_GetPropertyW( MSIPACKAGE *, LPCWSTR, LPWSTR, DWORD * );
 413 extern UINT MSI_GetPropertyA(MSIPACKAGE *, LPCSTR, LPSTR, DWORD* );
 414 extern MSICONDITION MSI_EvaluateConditionW( MSIPACKAGE *, LPCWSTR );
 415 extern UINT MSI_GetComponentStateW( MSIPACKAGE *, LPCWSTR, INSTALLSTATE *, INSTALLSTATE * );
 416 extern UINT MSI_GetFeatureStateW( MSIPACKAGE *, LPCWSTR, INSTALLSTATE *, INSTALLSTATE * );
 417 extern UINT WINAPI MSI_SetFeatureStateW(MSIPACKAGE*, LPCWSTR, INSTALLSTATE );
 418 extern LPCWSTR msi_download_file( LPCWSTR szUrl, LPWSTR filename );
 419
 420 /* for deformating */
 421 extern UINT MSI_FormatRecordW( MSIPACKAGE *, MSIRECORD *, LPWSTR, DWORD * );
 422 extern UINT MSI_FormatRecordA( MSIPACKAGE *, MSIRECORD *, LPSTR, DWORD * );
 423
 424 /* registry data encoding/decoding functions */
 425 extern BOOL unsquash_guid(LPCWSTR in, LPWSTR out);
 426 extern BOOL squash_guid(LPCWSTR in, LPWSTR out);
 427 extern BOOL encode_base85_guid(GUID *,LPWSTR);
 428 extern BOOL decode_base85_guid(LPCWSTR,GUID*);
 429 extern UINT MSIREG_OpenUninstallKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 430 extern UINT MSIREG_OpenUserProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 431 extern UINT MSIREG_OpenFeatures(HKEY* key);
 432 extern UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 433 extern UINT MSIREG_OpenComponents(HKEY* key);
 434 extern UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create);
 435 extern UINT MSIREG_OpenComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create);
 436 extern UINT MSIREG_OpenProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 437 extern UINT MSIREG_OpenUserFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 438 extern UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create);
 439 extern UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 440 extern UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 441
 442 extern LPWSTR msi_reg_get_val_str( HKEY hkey, LPCWSTR name );
 443 extern BOOL msi_reg_get_val_dword( HKEY hkey, LPCWSTR name, DWORD *val);
 444
 445 extern DWORD msi_version_str_to_dword(LPCWSTR p);
 446 extern LPWSTR msi_version_dword_to_str(DWORD version);
 447
 448 extern LONG msi_reg_set_val_str( HKEY hkey, LPCWSTR name, LPCWSTR value );
 449 extern LONG msi_reg_set_val_multi_str( HKEY hkey, LPCWSTR name, LPCWSTR value );
 450 extern LONG msi_reg_set_val_dword( HKEY hkey, LPCWSTR name, DWORD val );
 451 extern LONG msi_reg_set_subkey_val( HKEY hkey, LPCWSTR path, LPCWSTR name, LPCWSTR val );
 452
 453 /* msi dialog interface */
 454 typedef UINT (*msi_dialog_event_handler)( MSIPACKAGE*, LPCWSTR, LPCWSTR, msi_dialog* );
 455 extern msi_dialog *msi_dialog_create( MSIPACKAGE*, LPCWSTR, msi_dialog*, msi_dialog_event_handler );
 456 extern UINT msi_dialog_run_message_loop( msi_dialog* );
 457 extern void msi_dialog_end_dialog( msi_dialog* );
 458 extern void msi_dialog_check_messages( HANDLE );
 459 extern void msi_dialog_do_preview( msi_dialog* );
 460 extern void msi_dialog_destroy( msi_dialog* );
 461 extern BOOL msi_dialog_register_class( void );
 462 extern void msi_dialog_unregister_class( void );
 463 extern void msi_dialog_handle_event( msi_dialog*, LPCWSTR, LPCWSTR, MSIRECORD * );
 464 extern UINT msi_dialog_reset( msi_dialog *dialog );
 465 extern UINT msi_dialog_directorylist_up( msi_dialog *dialog );
 466 extern msi_dialog *msi_dialog_get_parent( msi_dialog *dialog );
 467 extern LPWSTR msi_dialog_get_name( msi_dialog *dialog );
 468
 469 /* preview */
 470 extern MSIPREVIEW *MSI_EnableUIPreview( MSIDATABASE * );
 471 extern UINT MSI_PreviewDialogW( MSIPREVIEW *, LPCWSTR );
 472
 473 /* summary information */
 474 extern MSISUMMARYINFO *MSI_GetSummaryInformationW( MSIDATABASE *db, UINT uiUpdateCount );
 475 extern LPWSTR msi_suminfo_dup_string( MSISUMMARYINFO *si, UINT uiProperty );
 476
 477 /* undocumented functions */
 478 UINT WINAPI MsiCreateAndVerifyInstallerDirectory( DWORD );
 479 UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR, LPWSTR, LPWSTR, LPWSTR, DWORD * );
 480 UINT WINAPI MsiDecomposeDescriptorA( LPCSTR, LPSTR, LPSTR, LPSTR, DWORD * );
 481 LANGID WINAPI MsiLoadStringW( MSIHANDLE, UINT, LPWSTR, int, LANGID );
 482 LANGID WINAPI MsiLoadStringA( MSIHANDLE, UINT, LPSTR, int, LANGID );
 483
 484 /* UI globals */
 485 extern INSTALLUILEVEL gUILevel;
 486 extern HWND gUIhwnd;
 487 extern INSTALLUI_HANDLERA gUIHandlerA;
 488 extern INSTALLUI_HANDLERW gUIHandlerW;
 489 extern DWORD gUIFilter;
 490 extern LPVOID gUIContext;
 491 extern WCHAR gszLogFile[MAX_PATH];
 492 extern HINSTANCE msi_hInstance;
 493
 494 /* memory allocation macro functions */
 495 static inline void *msi_alloc( size_t len )
 496 {
 497     return HeapAlloc( GetProcessHeap(), 0, len );
 498 }
 499
 500 static inline void *msi_alloc_zero( size_t len )
 501 {
 502     return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len );
 503 }
 504
 505 static inline void *msi_realloc( void *mem, size_t len )
 506 {
 507     return HeapReAlloc( GetProcessHeap(), 0, mem, len );
 508 }
 509
 510 static inline void *msi_realloc_zero( void *mem, size_t len )
 511 {
 512     return HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len );
 513 }
 514
 515 static inline BOOL msi_free( void *mem )
 516 {
 517     return HeapFree( GetProcessHeap(), 0, mem );
 518 }
 519
 520 inline static char *strdupWtoA( LPCWSTR str )
 521 {
 522     LPSTR ret = NULL;
 523     DWORD len;
 524
 525     if (!str) return ret;
 526     len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 527     ret = msi_alloc( len );
 528     if (ret)
 529         WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
 530     return ret;
 531 }
 532
 533 inline static LPWSTR strdupAtoW( LPCSTR str )
 534 {
 535     LPWSTR ret = NULL;
 536     DWORD len;
 537
 538     if (!str) return ret;
 539     len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
 540     ret = msi_alloc( len * sizeof(WCHAR) );
 541     if (ret)
 542         MultiByteToWideChar( CP_ACP, 0, str, -1, ret, len );
 543     return ret;
 544 }
 545
 546 inline static LPWSTR strdupW( LPCWSTR src )
 547 {
 548     LPWSTR dest;
 549     if (!src) return NULL;
 550     dest = msi_alloc( (lstrlenW(src)+1)*sizeof(WCHAR) );
 551     if (dest)
 552         lstrcpyW(dest, src);
 553     return dest;
 554 }
 555
 556 #endif /* __WINE_MSI_PRIVATE__ */