dlls/msi/msipriv.h

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002-2005 Mike McCormack for CodeWeavers
   5  * Copyright 2005 Aric Stewart for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #ifndef __WINE_MSI_PRIVATE__
  23 #define __WINE_MSI_PRIVATE__
  24
  25 #include <stdarg.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "fdi.h"
  30 #include "msi.h"
  31 #include "msiquery.h"
  32 #include "objbase.h"
  33 #include "objidl.h"
  34 #include "winnls.h"
  35 #include "wine/list.h"
  36
  37 #define MSI_DATASIZEMASK 0x00ff
  38 #define MSITYPE_VALID    0x0100
  39 #define MSITYPE_LOCALIZABLE 0x200
  40 #define MSITYPE_STRING   0x0800
  41 #define MSITYPE_NULLABLE 0x1000
  42 #define MSITYPE_KEY      0x2000
  43 #define MSITYPE_TEMPORARY 0x4000
  44
  45
  46 /* Install UI level mask for AND operation to exclude flags */
  47 #define INSTALLUILEVEL_MASK             0x0007
  48
  49 #define MSITYPE_IS_BINARY(type) (((type) & ~MSITYPE_NULLABLE) == (MSITYPE_STRING|MSITYPE_VALID))
  50
  51 struct tagMSITABLE;
  52 typedef struct tagMSITABLE MSITABLE;
  53
  54 struct string_table;
  55 typedef struct string_table string_table;
  56
  57 struct tagMSIOBJECTHDR;
  58 typedef struct tagMSIOBJECTHDR MSIOBJECTHDR;
  59
  60 typedef VOID (*msihandledestructor)( MSIOBJECTHDR * );
  61
  62 struct tagMSIOBJECTHDR
  63 {
  64     UINT magic;
  65     UINT type;
  66     LONG refcount;
  67     msihandledestructor destructor;
  68 };
  69
  70 typedef struct tagMSIDATABASE
  71 {
  72     MSIOBJECTHDR hdr;
  73     IStorage *storage;
  74     string_table *strings;
  75     UINT bytes_per_strref;
  76     LPWSTR path;
  77     LPWSTR deletefile;
  78     LPCWSTR mode;
  79     struct list tables;
  80     struct list transforms;
  81 } MSIDATABASE;
  82
  83 typedef struct tagMSIVIEW MSIVIEW;
  84
  85 typedef struct tagMSIQUERY
  86 {
  87     MSIOBJECTHDR hdr;
  88     MSIVIEW *view;
  89     UINT row;
  90     MSIDATABASE *db;
  91     struct list mem;
  92 } MSIQUERY;
  93
  94 /* maybe we can use a Variant instead of doing it ourselves? */
  95 typedef struct tagMSIFIELD
  96 {
  97     UINT type;
  98     union
  99     {
 100         INT iVal;
 101         LPWSTR szwVal;
 102         IStream *stream;
 103     } u;
 104 } MSIFIELD;
 105
 106 typedef struct tagMSIRECORD
 107 {
 108     MSIOBJECTHDR hdr;
 109     UINT count;       /* as passed to MsiCreateRecord */
 110     MSIFIELD fields[1]; /* nb. array size is count+1 */
 111 } MSIRECORD;
 112
 113 typedef struct tagMSISOURCELISTINFO
 114 {
 115     struct list entry;
 116     DWORD context;
 117     DWORD options;
 118     LPCWSTR property;
 119     LPWSTR value;
 120 } MSISOURCELISTINFO;
 121
 122 typedef struct tagMSIMEDIADISK
 123 {
 124     struct list entry;
 125     DWORD context;
 126     DWORD options;
 127     DWORD disk_id;
 128     LPWSTR volume_label;
 129     LPWSTR disk_prompt;
 130 } MSIMEDIADISK;
 131
 132 typedef struct tagMSIMEDIAINFO
 133 {
 134     UINT disk_id;
 135     UINT type;
 136     UINT last_sequence;
 137     LPWSTR disk_prompt;
 138     LPWSTR cabinet;
 139     LPWSTR first_volume;
 140     LPWSTR volume_label;
 141     BOOL is_continuous;
 142     BOOL is_extracted;
 143     WCHAR source[MAX_PATH];
 144 } MSIMEDIAINFO;
 145
 146 typedef struct _column_info
 147 {
 148     LPCWSTR table;
 149     LPCWSTR column;
 150     INT   type;
 151     BOOL   temporary;
 152     struct expr *val;
 153     struct _column_info *next;
 154 } column_info;
 155
 156 typedef const struct tagMSICOLUMNHASHENTRY *MSIITERHANDLE;
 157
 158 typedef struct tagMSIVIEWOPS
 159 {
 160     /*
 161      * fetch_int - reads one integer from {row,col} in the table
 162      *
 163      *  This function should be called after the execute method.
 164      *  Data returned by the function should not change until
 165      *   close or delete is called.
 166      *  To get a string value, query the database's string table with
 167      *   the integer value returned from this function.
 168      */
 169     UINT (*fetch_int)( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val );
 170
 171     /*
 172      * fetch_stream - gets a stream from {row,col} in the table
 173      *
 174      *  This function is similar to fetch_int, except fetches a
 175      *    stream instead of an integer.
 176      */
 177     UINT (*fetch_stream)( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm );
 178
 179     /*
 180      * get_row - gets values from a row
 181      *
 182      */
 183     UINT (*get_row)( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec );
 184
 185     /*
 186      * set_row - sets values in a row as specified by mask
 187      *
 188      *  Similar semantics to fetch_int
 189      */
 190     UINT (*set_row)( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask );
 191
 192     /*
 193      * Inserts a new row into the database from the records contents
 194      */
 195     UINT (*insert_row)( struct tagMSIVIEW *view, MSIRECORD *record, BOOL temporary );
 196
 197     /*
 198      * Deletes a row from the database
 199      */
 200     UINT (*delete_row)( struct tagMSIVIEW *view, UINT row );
 201
 202     /*
 203      * execute - loads the underlying data into memory so it can be read
 204      */
 205     UINT (*execute)( struct tagMSIVIEW *view, MSIRECORD *record );
 206
 207     /*
 208      * close - clears the data read by execute from memory
 209      */
 210     UINT (*close)( struct tagMSIVIEW *view );
 211
 212     /*
 213      * get_dimensions - returns the number of rows or columns in a table.
 214      *
 215      *  The number of rows can only be queried after the execute method
 216      *   is called. The number of columns can be queried at any time.
 217      */
 218     UINT (*get_dimensions)( struct tagMSIVIEW *view, UINT *rows, UINT *cols );
 219
 220     /*
 221      * get_column_info - returns the name and type of a specific column
 222      *
 223      *  The name is HeapAlloc'ed by this function and should be freed by
 224      *   the caller.
 225      *  The column information can be queried at any time.
 226      */
 227     UINT (*get_column_info)( struct tagMSIVIEW *view, UINT n, LPWSTR *name, UINT *type );
 228
 229     /*
 230      * modify - not yet implemented properly
 231      */
 232     UINT (*modify)( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *record, UINT row );
 233
 234     /*
 235      * delete - destroys the structure completely
 236      */
 237     UINT (*delete)( struct tagMSIVIEW * );
 238
 239     /*
 240      * find_matching_rows - iterates through rows that match a value
 241      *
 242      * If the column type is a string then a string ID should be passed in.
 243      *  If the value to be looked up is an integer then no transformation of
 244      *  the input value is required, except if the column is a string, in which
 245      *  case a string ID should be passed in.
 246      * The handle is an input/output parameter that keeps track of the current
 247      *  position in the iteration. It must be initialised to zero before the
 248      *  first call and continued to be passed in to subsequent calls.
 249      */
 250     UINT (*find_matching_rows)( struct tagMSIVIEW *view, UINT col, UINT val, UINT *row, MSIITERHANDLE *handle );
 251
 252     /*
 253      * add_ref - increases the reference count of the table
 254      */
 255     UINT (*add_ref)( struct tagMSIVIEW *view );
 256
 257     /*
 258      * release - decreases the reference count of the table
 259      */
 260     UINT (*release)( struct tagMSIVIEW *view );
 261
 262     /*
 263      * add_column - adds a column to the table
 264      */
 265     UINT (*add_column)( struct tagMSIVIEW *view, LPCWSTR table, UINT number, LPCWSTR column, UINT type, BOOL hold );
 266
 267     /*
 268      * remove_column - removes the column represented by table name and column number from the table
 269      */
 270     UINT (*remove_column)( struct tagMSIVIEW *view, LPCWSTR table, UINT number );
 271
 272     /*
 273      * sort - orders the table by columns
 274      */
 275     UINT (*sort)( struct tagMSIVIEW *view, column_info *columns );
 276 } MSIVIEWOPS;
 277
 278 struct tagMSIVIEW
 279 {
 280     MSIOBJECTHDR hdr;
 281     const MSIVIEWOPS *ops;
 282 };
 283
 284 struct msi_dialog_tag;
 285 typedef struct msi_dialog_tag msi_dialog;
 286
 287 typedef struct tagMSIPACKAGE
 288 {
 289     MSIOBJECTHDR hdr;
 290     MSIDATABASE *db;
 291     struct list components;
 292     struct list features;
 293     struct list files;
 294     struct list tempfiles;
 295     struct list folders;
 296     LPWSTR ActionFormat;
 297     LPWSTR LastAction;
 298
 299     struct list classes;
 300     struct list extensions;
 301     struct list progids;
 302     struct list mimes;
 303     struct list appids;
 304
 305     struct tagMSISCRIPT *script;
 306
 307     struct list RunningActions;
 308
 309     LPWSTR BaseURL;
 310     LPWSTR PackagePath;
 311     LPWSTR ProductCode;
 312
 313     UINT CurrentInstallState;
 314     msi_dialog *dialog;
 315     LPWSTR next_dialog;
 316     float center_x;
 317     float center_y;
 318
 319     UINT WordCount;
 320     UINT Context;
 321
 322     struct list subscriptions;
 323
 324     struct list sourcelist_info;
 325     struct list sourcelist_media;
 326
 327     unsigned char scheduled_action_running : 1;
 328     unsigned char commit_action_running : 1;
 329     unsigned char rollback_action_running : 1;
 330 } MSIPACKAGE;
 331
 332 typedef struct tagMSIPREVIEW
 333 {
 334     MSIOBJECTHDR hdr;
 335     MSIPACKAGE *package;
 336     msi_dialog *dialog;
 337 } MSIPREVIEW;
 338
 339 #define MSI_MAX_PROPS 20
 340
 341 typedef struct tagMSISUMMARYINFO
 342 {
 343     MSIOBJECTHDR hdr;
 344     IStorage *storage;
 345     DWORD update_count;
 346     PROPVARIANT property[MSI_MAX_PROPS];
 347 } MSISUMMARYINFO;
 348
 349 typedef struct tagMSIFEATURE
 350 {
 351     struct list entry;
 352     LPWSTR Feature;
 353     LPWSTR Feature_Parent;
 354     LPWSTR Title;
 355     LPWSTR Description;
 356     INT Display;
 357     INT Level;
 358     LPWSTR Directory;
 359     INT Attributes;
 360     INSTALLSTATE Installed;
 361     INSTALLSTATE ActionRequest;
 362     INSTALLSTATE Action;
 363     struct list Children;
 364     struct list Components;
 365     INT Cost;
 366 } MSIFEATURE;
 367
 368 typedef struct tagMSICOMPONENT
 369 {
 370     struct list entry;
 371     DWORD magic;
 372     LPWSTR Component;
 373     LPWSTR ComponentId;
 374     LPWSTR Directory;
 375     INT Attributes;
 376     LPWSTR Condition;
 377     LPWSTR KeyPath;
 378     INSTALLSTATE Installed;
 379     INSTALLSTATE ActionRequest;
 380     INSTALLSTATE Action;
 381     BOOL ForceLocalState;
 382     BOOL Enabled;
 383     INT  Cost;
 384     INT  RefCount;
 385     LPWSTR FullKeypath;
 386     LPWSTR AdvertiseString;
 387
 388     unsigned int anyAbsent:1;
 389     unsigned int hasAdvertiseFeature:1;
 390     unsigned int hasLocalFeature:1;
 391     unsigned int hasSourceFeature:1;
 392 } MSICOMPONENT;
 393
 394 typedef struct tagComponentList
 395 {
 396     struct list entry;
 397     MSICOMPONENT *component;
 398 } ComponentList;
 399
 400 typedef struct tagFeatureList
 401 {
 402     struct list entry;
 403     MSIFEATURE *feature;
 404 } FeatureList;
 405
 406 typedef struct tagMSIFOLDER
 407 {
 408     struct list entry;
 409     LPWSTR Directory;
 410     LPWSTR Parent;
 411     LPWSTR TargetDefault;
 412     LPWSTR SourceLongPath;
 413     LPWSTR SourceShortPath;
 414
 415     LPWSTR ResolvedTarget;
 416     LPWSTR ResolvedSource;
 417     LPWSTR Property;   /* initially set property */
 418     INT   State;
 419         /* 0 = uninitialized */
 420         /* 1 = existing */
 421         /* 2 = created remove if empty */
 422         /* 3 = created persist if empty */
 423     INT   Cost;
 424     INT   Space;
 425 } MSIFOLDER;
 426
 427 typedef enum _msi_file_state {
 428     msifs_invalid,
 429     msifs_missing,
 430     msifs_overwrite,
 431     msifs_present,
 432     msifs_installed,
 433     msifs_skipped,
 434 } msi_file_state;
 435
 436 typedef struct tagMSIFILE
 437 {
 438     struct list entry;
 439     LPWSTR File;
 440     MSICOMPONENT *Component;
 441     LPWSTR FileName;
 442     LPWSTR ShortName;
 443     LPWSTR LongName;
 444     INT FileSize;
 445     LPWSTR Version;
 446     LPWSTR Language;
 447     INT Attributes;
 448     INT Sequence;
 449     msi_file_state state;
 450     LPWSTR  SourcePath;
 451     LPWSTR  TargetPath;
 452     BOOL IsCompressed;
 453     MSIFILEHASHINFO hash;
 454 } MSIFILE;
 455
 456 typedef struct tagMSITEMPFILE
 457 {
 458     struct list entry;
 459     LPWSTR Path;
 460 } MSITEMPFILE;
 461
 462 typedef struct tagMSIAPPID
 463 {
 464     struct list entry;
 465     LPWSTR AppID; /* Primary key */
 466     LPWSTR RemoteServerName;
 467     LPWSTR LocalServer;
 468     LPWSTR ServiceParameters;
 469     LPWSTR DllSurrogate;
 470     BOOL ActivateAtStorage;
 471     BOOL RunAsInteractiveUser;
 472 } MSIAPPID;
 473
 474 typedef struct tagMSIPROGID MSIPROGID;
 475
 476 typedef struct tagMSICLASS
 477 {
 478     struct list entry;
 479     LPWSTR clsid;     /* Primary Key */
 480     LPWSTR Context;   /* Primary Key */
 481     MSICOMPONENT *Component;
 482     MSIPROGID *ProgID;
 483     LPWSTR ProgIDText;
 484     LPWSTR Description;
 485     MSIAPPID *AppID;
 486     LPWSTR FileTypeMask;
 487     LPWSTR IconPath;
 488     LPWSTR DefInprocHandler;
 489     LPWSTR DefInprocHandler32;
 490     LPWSTR Argument;
 491     MSIFEATURE *Feature;
 492     INT Attributes;
 493     /* not in the table, set during installation */
 494     BOOL Installed;
 495 } MSICLASS;
 496
 497 typedef struct tagMSIMIME MSIMIME;
 498
 499 typedef struct tagMSIEXTENSION
 500 {
 501     struct list entry;
 502     LPWSTR Extension;  /* Primary Key */
 503     MSICOMPONENT *Component;
 504     MSIPROGID *ProgID;
 505     LPWSTR ProgIDText;
 506     MSIMIME *Mime;
 507     MSIFEATURE *Feature;
 508     /* not in the table, set during installation */
 509     BOOL Installed;
 510     struct list verbs;
 511 } MSIEXTENSION;
 512
 513 struct tagMSIPROGID
 514 {
 515     struct list entry;
 516     LPWSTR ProgID;  /* Primary Key */
 517     MSIPROGID *Parent;
 518     MSICLASS *Class;
 519     LPWSTR Description;
 520     LPWSTR IconPath;
 521     /* not in the table, set during installation */
 522     BOOL InstallMe;
 523     MSIPROGID *CurVer;
 524     MSIPROGID *VersionInd;
 525 };
 526
 527 typedef struct tagMSIVERB
 528 {
 529     struct list entry;
 530     LPWSTR Verb;
 531     INT Sequence;
 532     LPWSTR Command;
 533     LPWSTR Argument;
 534 } MSIVERB;
 535
 536 struct tagMSIMIME
 537 {
 538     struct list entry;
 539     LPWSTR ContentType;  /* Primary Key */
 540     MSIEXTENSION *Extension;
 541     LPWSTR clsid;
 542     MSICLASS *Class;
 543     /* not in the table, set during installation */
 544     BOOL InstallMe;
 545 };
 546
 547 enum SCRIPTS {
 548     INSTALL_SCRIPT = 0,
 549     COMMIT_SCRIPT = 1,
 550     ROLLBACK_SCRIPT = 2,
 551     TOTAL_SCRIPTS = 3
 552 };
 553
 554 #define SEQUENCE_UI       0x1
 555 #define SEQUENCE_EXEC     0x2
 556 #define SEQUENCE_INSTALL  0x10
 557
 558 typedef struct tagMSISCRIPT
 559 {
 560     LPWSTR  *Actions[TOTAL_SCRIPTS];
 561     UINT    ActionCount[TOTAL_SCRIPTS];
 562     BOOL    ExecuteSequenceRun;
 563     BOOL    CurrentlyScripting;
 564     UINT    InWhatSequence;
 565     LPWSTR  *UniqueActions;
 566     UINT    UniqueActionsCount;
 567 } MSISCRIPT;
 568
 569 #define MSIHANDLETYPE_ANY 0
 570 #define MSIHANDLETYPE_DATABASE 1
 571 #define MSIHANDLETYPE_SUMMARYINFO 2
 572 #define MSIHANDLETYPE_VIEW 3
 573 #define MSIHANDLETYPE_RECORD 4
 574 #define MSIHANDLETYPE_PACKAGE 5
 575 #define MSIHANDLETYPE_PREVIEW 6
 576
 577 #define MSI_MAJORVERSION 3
 578 #define MSI_MINORVERSION 1
 579 #define MSI_BUILDNUMBER 4000
 580
 581 #define GUID_SIZE 39
 582 #define SQUISH_GUID_SIZE 33
 583
 584 #define MSIHANDLE_MAGIC 0x4d434923
 585
 586 DEFINE_GUID(CLSID_IMsiServer,   0x000C101C,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 587 DEFINE_GUID(CLSID_IMsiServerX1, 0x000C103E,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 588 DEFINE_GUID(CLSID_IMsiServerX2, 0x000C1090,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 589 DEFINE_GUID(CLSID_IMsiServerX3, 0x000C1094,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 590
 591 DEFINE_GUID(CLSID_IMsiServerMessage, 0x000C101D,0x0000,0x0000,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46);
 592
 593 DEFINE_GUID(CLSID_IWineMsiRemoteCustomAction,0xBA26E6FA,0x4F27,0x4f56,0x95,0x3A,0x3F,0x90,0x27,0x20,0x18,0xAA);
 594 DEFINE_GUID(CLSID_IWineMsiRemotePackage,0x902b3592,0x9d08,0x4dfd,0xa5,0x93,0xd0,0x7c,0x52,0x54,0x64,0x21);
 595
 596 /* handle unicode/ascii output in the Msi* API functions */
 597 typedef struct {
 598     BOOL unicode;
 599     union {
 600        LPSTR a;
 601        LPWSTR w;
 602     } str;
 603 } awstring;
 604
 605 typedef struct {
 606     BOOL unicode;
 607     union {
 608        LPCSTR a;
 609        LPCWSTR w;
 610     } str;
 611 } awcstring;
 612
 613 UINT msi_strcpy_to_awstring( LPCWSTR str, awstring *awbuf, DWORD *sz );
 614
 615 /* msi server interface */
 616 extern ITypeLib *get_msi_typelib( LPWSTR *path );
 617 extern HRESULT create_msi_custom_remote( IUnknown *pOuter, LPVOID *ppObj );
 618 extern HRESULT create_msi_remote_package( IUnknown *pOuter, LPVOID *ppObj );
 619 extern HRESULT create_msi_remote_database( IUnknown *pOuter, LPVOID *ppObj );
 620 extern IUnknown *msi_get_remote(MSIHANDLE handle);
 621
 622 /* handle functions */
 623 extern void *msihandle2msiinfo(MSIHANDLE handle, UINT type);
 624 extern MSIHANDLE alloc_msihandle( MSIOBJECTHDR * );
 625 extern MSIHANDLE alloc_msi_remote_handle( IUnknown *unk );
 626 extern void *alloc_msiobject(UINT type, UINT size, msihandledestructor destroy );
 627 extern void msiobj_addref(MSIOBJECTHDR *);
 628 extern int msiobj_release(MSIOBJECTHDR *);
 629 extern void msiobj_lock(MSIOBJECTHDR *);
 630 extern void msiobj_unlock(MSIOBJECTHDR *);
 631 extern void msi_free_handle_table(void);
 632
 633 extern void free_cached_tables( MSIDATABASE *db );
 634 extern void msi_free_transforms( MSIDATABASE *db );
 635 extern UINT MSI_CommitTables( MSIDATABASE *db );
 636
 637
 638 /* string table functions */
 639 enum StringPersistence
 640 {
 641     StringPersistent = 0,
 642     StringNonPersistent = 1
 643 };
 644
 645 extern BOOL msi_addstringW( string_table *st, UINT string_no, const WCHAR *data, int len, UINT refcount, enum StringPersistence persistence );
 646 extern UINT msi_id2stringW( const string_table *st, UINT string_no, LPWSTR buffer, UINT *sz );
 647 extern UINT msi_id2stringA( const string_table *st, UINT string_no, LPSTR buffer, UINT *sz );
 648
 649 extern UINT msi_string2idW( const string_table *st, LPCWSTR buffer, UINT *id );
 650 extern UINT msi_string2idA( const string_table *st, LPCSTR str, UINT *id );
 651 extern VOID msi_destroy_stringtable( string_table *st );
 652 extern UINT msi_strcmp( const string_table *st, UINT lval, UINT rval, UINT *res );
 653 extern const WCHAR *msi_string_lookup_id( const string_table *st, UINT id );
 654 extern HRESULT msi_init_string_table( IStorage *stg );
 655 extern string_table *msi_load_string_table( IStorage *stg, UINT *bytes_per_strref );
 656 extern UINT msi_save_string_table( const string_table *st, IStorage *storage );
 657
 658
 659 extern void msi_table_set_strref(UINT bytes_per_strref);
 660 extern BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name );
 661 extern MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table );
 662
 663 extern UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
 664                                   USHORT **pdata, UINT *psz );
 665 extern UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
 666                               BYTE **pdata, UINT *psz );
 667 extern UINT write_stream_data( IStorage *stg, LPCWSTR stname,
 668                                LPCVOID data, UINT sz, BOOL bTable );
 669
 670 /* transform functions */
 671 extern UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg );
 672 extern UINT MSI_DatabaseApplyTransformW( MSIDATABASE *db,
 673                  LPCWSTR szTransformFile, int iErrorCond );
 674 extern void append_storage_to_db( MSIDATABASE *db, IStorage *stg );
 675
 676 /* action internals */
 677 extern UINT MSI_InstallPackage( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 678 extern void ACTION_free_package_structures( MSIPACKAGE* );
 679 extern UINT ACTION_DialogBox( MSIPACKAGE*, LPCWSTR);
 680 extern UINT ACTION_ForceReboot(MSIPACKAGE *package);
 681 extern UINT MSI_Sequence( MSIPACKAGE *package, LPCWSTR szTable, INT iSequenceMode );
 682 extern UINT MSI_SetFeatureStates( MSIPACKAGE *package );
 683 extern UINT msi_parse_command_line( MSIPACKAGE *package, LPCWSTR szCommandLine );
 684
 685 /* record internals */
 686 extern UINT MSI_RecordSetIStream( MSIRECORD *, UINT, IStream *);
 687 extern UINT MSI_RecordGetIStream( MSIRECORD *, UINT, IStream **);
 688 extern const WCHAR *MSI_RecordGetString( const MSIRECORD *, UINT );
 689 extern MSIRECORD *MSI_CreateRecord( UINT );
 690 extern UINT MSI_RecordSetInteger( MSIRECORD *, UINT, int );
 691 extern UINT MSI_RecordSetStringW( MSIRECORD *, UINT, LPCWSTR );
 692 extern UINT MSI_RecordSetStringA( MSIRECORD *, UINT, LPCSTR );
 693 extern BOOL MSI_RecordIsNull( MSIRECORD *, UINT );
 694 extern UINT MSI_RecordGetStringW( MSIRECORD * , UINT, LPWSTR, LPDWORD);
 695 extern UINT MSI_RecordGetStringA( MSIRECORD *, UINT, LPSTR, LPDWORD);
 696 extern int MSI_RecordGetInteger( MSIRECORD *, UINT );
 697 extern UINT MSI_RecordReadStream( MSIRECORD *, UINT, char *, LPDWORD);
 698 extern UINT MSI_RecordGetFieldCount( const MSIRECORD *rec );
 699 extern UINT MSI_RecordSetStream( MSIRECORD *, UINT, IStream * );
 700 extern UINT MSI_RecordDataSize( MSIRECORD *, UINT );
 701 extern UINT MSI_RecordStreamToFile( MSIRECORD *, UINT, LPCWSTR );
 702 extern UINT MSI_RecordCopyField( MSIRECORD *, UINT, MSIRECORD *, UINT );
 703
 704 /* stream internals */
 705 extern UINT get_raw_stream( MSIHANDLE hdb, LPCWSTR stname, IStream **stm );
 706 extern UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm );
 707 extern void enum_stream_names( IStorage *stg );
 708 extern BOOL decode_streamname(LPCWSTR in, LPWSTR out);
 709 extern LPWSTR encode_streamname(BOOL bTable, LPCWSTR in);
 710
 711 /* database internals */
 712 extern UINT MSI_OpenDatabaseW( LPCWSTR, LPCWSTR, MSIDATABASE ** );
 713 extern UINT MSI_DatabaseOpenViewW(MSIDATABASE *, LPCWSTR, MSIQUERY ** );
 714 extern UINT MSI_OpenQuery( MSIDATABASE *, MSIQUERY **, LPCWSTR, ... );
 715 typedef UINT (*record_func)( MSIRECORD *, LPVOID );
 716 extern UINT MSI_IterateRecords( MSIQUERY *, LPDWORD, record_func, LPVOID );
 717 extern MSIRECORD *MSI_QueryGetRecord( MSIDATABASE *db, LPCWSTR query, ... );
 718 extern UINT MSI_DatabaseImport( MSIDATABASE *, LPCWSTR, LPCWSTR );
 719 extern UINT MSI_DatabaseExport( MSIDATABASE *, LPCWSTR, LPCWSTR, LPCWSTR );
 720 extern UINT MSI_DatabaseGetPrimaryKeys( MSIDATABASE *, LPCWSTR, MSIRECORD ** );
 721
 722 /* view internals */
 723 extern UINT MSI_ViewExecute( MSIQUERY*, MSIRECORD * );
 724 extern UINT MSI_ViewFetch( MSIQUERY*, MSIRECORD ** );
 725 extern UINT MSI_ViewClose( MSIQUERY* );
 726 extern UINT MSI_ViewGetColumnInfo(MSIQUERY *, MSICOLINFO, MSIRECORD **);
 727 extern UINT MSI_ViewModify( MSIQUERY *, MSIMODIFY, MSIRECORD * );
 728 extern UINT VIEW_find_column( MSIVIEW *, LPCWSTR, UINT * );
 729 extern UINT msi_view_get_row(MSIDATABASE *, MSIVIEW *, UINT, MSIRECORD **);
 730
 731 /* install internals */
 732 extern UINT MSI_SetInstallLevel( MSIPACKAGE *package, int iInstallLevel );
 733
 734 /* package internals */
 735 extern MSIPACKAGE *MSI_CreatePackage( MSIDATABASE *, LPCWSTR );
 736 extern UINT MSI_OpenPackageW( LPCWSTR szPackage, MSIPACKAGE **pPackage );
 737 extern UINT MSI_SetTargetPathW( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 738 extern UINT MSI_SetPropertyW( MSIPACKAGE *, LPCWSTR, LPCWSTR );
 739 extern INT MSI_ProcessMessage( MSIPACKAGE *, INSTALLMESSAGE, MSIRECORD * );
 740 extern UINT MSI_GetPropertyW( MSIPACKAGE *, LPCWSTR, LPWSTR, LPDWORD );
 741 extern UINT MSI_GetPropertyA(MSIPACKAGE *, LPCSTR, LPSTR, LPDWORD );
 742 extern MSICONDITION MSI_EvaluateConditionW( MSIPACKAGE *, LPCWSTR );
 743 extern UINT MSI_GetComponentStateW( MSIPACKAGE *, LPCWSTR, INSTALLSTATE *, INSTALLSTATE * );
 744 extern UINT MSI_GetFeatureStateW( MSIPACKAGE *, LPCWSTR, INSTALLSTATE *, INSTALLSTATE * );
 745 extern UINT WINAPI MSI_SetFeatureStateW(MSIPACKAGE*, LPCWSTR, INSTALLSTATE );
 746 extern LPCWSTR msi_download_file( LPCWSTR szUrl, LPWSTR filename );
 747 extern UINT msi_package_add_info(MSIPACKAGE *, DWORD, DWORD, LPCWSTR, LPWSTR);
 748 extern UINT msi_package_add_media_disk(MSIPACKAGE *, DWORD, DWORD, DWORD, LPWSTR, LPWSTR);
 749 extern UINT msi_clone_properties(MSIPACKAGE *);
 750
 751 /* for deformating */
 752 extern UINT MSI_FormatRecordW( MSIPACKAGE *, MSIRECORD *, LPWSTR, LPDWORD );
 753
 754 /* registry data encoding/decoding functions */
 755 extern BOOL unsquash_guid(LPCWSTR in, LPWSTR out);
 756 extern BOOL squash_guid(LPCWSTR in, LPWSTR out);
 757 extern BOOL encode_base85_guid(GUID *,LPWSTR);
 758 extern BOOL decode_base85_guid(LPCWSTR,GUID*);
 759 extern UINT MSIREG_OpenUninstallKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 760 extern UINT MSIREG_DeleteUninstallKey(LPCWSTR szProduct);
 761 extern UINT MSIREG_OpenUserProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 762 extern UINT MSIREG_OpenUserPatchesKey(LPCWSTR szPatch, HKEY* key, BOOL create);
 763 extern UINT MSIREG_OpenFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 764 extern UINT MSIREG_OpenUserDataFeaturesKey(LPCWSTR szProduct, HKEY *key, BOOL create);
 765 extern UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create);
 766 extern UINT MSIREG_OpenLocalUserDataComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create);
 767 extern UINT MSIREG_OpenUserDataComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create);
 768 extern UINT MSIREG_OpenProductsKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 769 extern UINT MSIREG_OpenPatchesKey(LPCWSTR szPatch, HKEY* key, BOOL create);
 770 extern UINT MSIREG_OpenUserDataProductKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 771 extern UINT MSIREG_OpenLocalUserDataProductKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 772 extern UINT MSIREG_OpenCurrentUserInstallProps(LPCWSTR szProduct, HKEY* key, BOOL create);
 773 extern UINT MSIREG_OpenLocalSystemInstallProps(LPCWSTR szProduct, HKEY* key, BOOL create);
 774 extern UINT MSIREG_OpenUserFeaturesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 775 extern UINT MSIREG_OpenUserComponentsKey(LPCWSTR szComponent, HKEY* key, BOOL create);
 776 extern UINT MSIREG_OpenUpgradeCodesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 777 extern UINT MSIREG_OpenUserUpgradeCodesKey(LPCWSTR szProduct, HKEY* key, BOOL create);
 778 extern UINT MSIREG_DeleteProductKey(LPCWSTR szProduct);
 779 extern UINT MSIREG_DeleteUserProductKey(LPCWSTR szProduct);
 780 extern UINT MSIREG_DeleteUserDataProductKey(LPCWSTR szProduct);
 781 extern UINT MSIREG_OpenLocalSystemProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create);
 782 extern UINT MSIREG_OpenLocalSystemComponentKey(LPCWSTR szComponent, HKEY *key, BOOL create);
 783 extern UINT MSIREG_OpenLocalClassesProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create);
 784 extern UINT MSIREG_OpenLocalClassesFeaturesKey(LPCWSTR szProductCode, HKEY *key, BOOL create);
 785 extern UINT MSIREG_OpenLocalManagedProductKey(LPCWSTR szProductCode, HKEY *key, BOOL create);
 786 extern UINT MSIREG_OpenManagedFeaturesKey(LPCWSTR szProductCode, HKEY *key, BOOL create);
 787 extern UINT MSIREG_OpenLocalUserDataFeaturesKey(LPCWSTR szProduct, HKEY *key, BOOL create);
 788 extern UINT MSIREG_DeleteUserFeaturesKey(LPCWSTR szProduct);
 789 extern UINT MSIREG_DeleteLocalUserDataComponentKey(LPCWSTR szComponent);
 790 extern UINT MSIREG_DeleteUserDataComponentKey(LPCWSTR szComponent);
 791 extern UINT MSIREG_DeleteUserUpgradeCodesKey(LPCWSTR szUpgradeCode);
 792 extern UINT MSIREG_OpenClassesUpgradeCodesKey(LPCWSTR szUpgradeCode, HKEY* key, BOOL create);
 793
 794 extern LPWSTR msi_reg_get_val_str( HKEY hkey, LPCWSTR name );
 795 extern BOOL msi_reg_get_val_dword( HKEY hkey, LPCWSTR name, DWORD *val);
 796
 797 extern DWORD msi_version_str_to_dword(LPCWSTR p);
 798 extern LPWSTR msi_version_dword_to_str(DWORD version);
 799
 800 extern LONG msi_reg_set_val_str( HKEY hkey, LPCWSTR name, LPCWSTR value );
 801 extern LONG msi_reg_set_val_multi_str( HKEY hkey, LPCWSTR name, LPCWSTR value );
 802 extern LONG msi_reg_set_val_dword( HKEY hkey, LPCWSTR name, DWORD val );
 803 extern LONG msi_reg_set_subkey_val( HKEY hkey, LPCWSTR path, LPCWSTR name, LPCWSTR val );
 804
 805 /* msi dialog interface */
 806 typedef UINT (*msi_dialog_event_handler)( MSIPACKAGE*, LPCWSTR, LPCWSTR, msi_dialog* );
 807 extern msi_dialog *msi_dialog_create( MSIPACKAGE*, LPCWSTR, msi_dialog*, msi_dialog_event_handler );
 808 extern UINT msi_dialog_run_message_loop( msi_dialog* );
 809 extern void msi_dialog_end_dialog( msi_dialog* );
 810 extern void msi_dialog_check_messages( HANDLE );
 811 extern void msi_dialog_do_preview( msi_dialog* );
 812 extern void msi_dialog_destroy( msi_dialog* );
 813 extern BOOL msi_dialog_register_class( void );
 814 extern void msi_dialog_unregister_class( void );
 815 extern void msi_dialog_handle_event( msi_dialog*, LPCWSTR, LPCWSTR, MSIRECORD * );
 816 extern UINT msi_dialog_reset( msi_dialog *dialog );
 817 extern UINT msi_dialog_directorylist_up( msi_dialog *dialog );
 818 extern msi_dialog *msi_dialog_get_parent( msi_dialog *dialog );
 819 extern LPWSTR msi_dialog_get_name( msi_dialog *dialog );
 820 extern UINT msi_spawn_error_dialog( MSIPACKAGE*, LPWSTR, LPWSTR );
 821
 822 /* preview */
 823 extern MSIPREVIEW *MSI_EnableUIPreview( MSIDATABASE * );
 824 extern UINT MSI_PreviewDialogW( MSIPREVIEW *, LPCWSTR );
 825
 826 /* summary information */
 827 extern MSISUMMARYINFO *MSI_GetSummaryInformationW( IStorage *stg, UINT uiUpdateCount );
 828 extern LPWSTR msi_suminfo_dup_string( MSISUMMARYINFO *si, UINT uiProperty );
 829 extern LPWSTR msi_get_suminfo_product( IStorage *stg );
 830
 831 /* undocumented functions */
 832 UINT WINAPI MsiCreateAndVerifyInstallerDirectory( DWORD );
 833 UINT WINAPI MsiDecomposeDescriptorW( LPCWSTR, LPWSTR, LPWSTR, LPWSTR, LPDWORD );
 834 UINT WINAPI MsiDecomposeDescriptorA( LPCSTR, LPSTR, LPSTR, LPSTR, LPDWORD );
 835 LANGID WINAPI MsiLoadStringW( MSIHANDLE, UINT, LPWSTR, int, LANGID );
 836 LANGID WINAPI MsiLoadStringA( MSIHANDLE, UINT, LPSTR, int, LANGID );
 837
 838 /* UI globals */
 839 extern INSTALLUILEVEL gUILevel;
 840 extern HWND gUIhwnd;
 841 extern INSTALLUI_HANDLERA gUIHandlerA;
 842 extern INSTALLUI_HANDLERW gUIHandlerW;
 843 extern DWORD gUIFilter;
 844 extern LPVOID gUIContext;
 845 extern WCHAR gszLogFile[MAX_PATH];
 846 extern HINSTANCE msi_hInstance;
 847
 848 /* action related functions */
 849 extern UINT ACTION_PerformAction(MSIPACKAGE *package, const WCHAR *action, UINT script, BOOL force);
 850 extern UINT ACTION_PerformUIAction(MSIPACKAGE *package, const WCHAR *action, UINT script);
 851 extern void ACTION_FinishCustomActions( const MSIPACKAGE* package);
 852 extern UINT ACTION_CustomAction(MSIPACKAGE *package,const WCHAR *action, UINT script, BOOL execute);
 853
 854 static inline void msi_feature_set_state( MSIFEATURE *feature, INSTALLSTATE state )
 855 {
 856     feature->ActionRequest = state;
 857     feature->Action = state;
 858 }
 859
 860 static inline void msi_component_set_state( MSICOMPONENT *comp, INSTALLSTATE state )
 861 {
 862     comp->ActionRequest = state;
 863     comp->Action = state;
 864 }
 865
 866 /* actions in other modules */
 867 extern UINT ACTION_AppSearch(MSIPACKAGE *package);
 868 extern UINT ACTION_CCPSearch(MSIPACKAGE *package);
 869 extern UINT ACTION_FindRelatedProducts(MSIPACKAGE *package);
 870 extern UINT ACTION_InstallFiles(MSIPACKAGE *package);
 871 extern UINT ACTION_RemoveFiles(MSIPACKAGE *package);
 872 extern UINT ACTION_DuplicateFiles(MSIPACKAGE *package);
 873 extern UINT ACTION_RegisterClassInfo(MSIPACKAGE *package);
 874 extern UINT ACTION_RegisterProgIdInfo(MSIPACKAGE *package);
 875 extern UINT ACTION_RegisterExtensionInfo(MSIPACKAGE *package);
 876 extern UINT ACTION_RegisterMIMEInfo(MSIPACKAGE *package);
 877 extern UINT ACTION_RegisterFonts(MSIPACKAGE *package);
 878
 879 /* Helpers */
 880 extern DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data );
 881 extern LPWSTR msi_dup_record_field(MSIRECORD *row, INT index);
 882 extern LPWSTR msi_dup_property(MSIPACKAGE *package, LPCWSTR prop);
 883 extern int msi_get_property_int( MSIPACKAGE *package, LPCWSTR prop, int def );
 884 extern LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 885                       BOOL set_prop, BOOL load_prop, MSIFOLDER **folder);
 886 extern MSICOMPONENT *get_loaded_component( MSIPACKAGE* package, LPCWSTR Component );
 887 extern MSIFEATURE *get_loaded_feature( MSIPACKAGE* package, LPCWSTR Feature );
 888 extern MSIFILE *get_loaded_file( MSIPACKAGE* package, LPCWSTR file );
 889 extern MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir );
 890 extern int track_tempfile(MSIPACKAGE *package, LPCWSTR path);
 891 extern UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action);
 892 extern void msi_free_action_script(MSIPACKAGE *package, UINT script);
 893 extern LPWSTR build_icon_path(MSIPACKAGE *, LPCWSTR);
 894 extern LPWSTR build_directory_name(DWORD , ...);
 895 extern BOOL create_full_pathW(const WCHAR *path);
 896 extern BOOL ACTION_VerifyComponentForAction(const MSICOMPONENT*, INSTALLSTATE);
 897 extern BOOL ACTION_VerifyFeatureForAction(const MSIFEATURE*, INSTALLSTATE);
 898 extern void reduce_to_longfilename(WCHAR*);
 899 extern void reduce_to_shortfilename(WCHAR*);
 900 extern LPWSTR create_component_advertise_string(MSIPACKAGE*, MSICOMPONENT*, LPCWSTR);
 901 extern void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature);
 902 extern UINT register_unique_action(MSIPACKAGE *, LPCWSTR);
 903 extern BOOL check_unique_action(const MSIPACKAGE *, LPCWSTR);
 904 extern WCHAR* generate_error_string(MSIPACKAGE *, UINT, DWORD, ... );
 905 extern UINT msi_create_component_directories( MSIPACKAGE *package );
 906 extern void msi_ui_error( DWORD msg_id, DWORD type );
 907 extern UINT msi_set_last_used_source(LPCWSTR product, LPCWSTR usersid,
 908                         MSIINSTALLCONTEXT context, DWORD options, LPCWSTR value);
 909 extern UINT msi_load_media_info(MSIPACKAGE *package, MSIFILE *file, MSIMEDIAINFO *mi);
 910 extern void msi_free_media_info(MSIMEDIAINFO *mi);
 911 extern BOOL msi_cabextract(MSIPACKAGE* package, MSIMEDIAINFO *mi, PFNFDINOTIFY notify, LPVOID data);
 912 extern UINT msi_extract_file(MSIPACKAGE *package, MSIFILE *file, LPWSTR destdir);
 913 extern UINT find_published_source(MSIPACKAGE *package, MSIMEDIAINFO *mi);
 914
 915 /* control event stuff */
 916 extern VOID ControlEvent_FireSubscribedEvent(MSIPACKAGE *package, LPCWSTR event,
 917                                       MSIRECORD *data);
 918 extern VOID ControlEvent_CleanupDialogSubscriptions(MSIPACKAGE *package, LPWSTR dialog);
 919 extern VOID ControlEvent_CleanupSubscriptions(MSIPACKAGE *package);
 920 extern VOID ControlEvent_SubscribeToEvent(MSIPACKAGE *package, msi_dialog *dialog,
 921                                       LPCWSTR event, LPCWSTR control, LPCWSTR attribute);
 922 extern VOID ControlEvent_UnSubscribeToEvent( MSIPACKAGE *package, LPCWSTR event,
 923                                       LPCWSTR control, LPCWSTR attribute );
 924
 925 /* OLE automation */
 926 extern HRESULT create_msiserver(IUnknown *pOuter, LPVOID *ppObj);
 927 extern HRESULT create_session(MSIHANDLE msiHandle, IDispatch *pInstaller, IDispatch **pDispatch);
 928 extern HRESULT load_type_info(IDispatch *iface, ITypeInfo **pptinfo, REFIID clsid, LCID lcid);
 929
 930 /* Scripting */
 931 extern DWORD call_script(MSIHANDLE hPackage, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action);
 932
 933 /* User Interface messages from the actions */
 934 extern void ui_progress(MSIPACKAGE *, int, int, int, int);
 935 extern void ui_actiondata(MSIPACKAGE *, LPCWSTR, MSIRECORD *);
 936
 937 /* string consts use a number of places  and defined in helpers.c*/
 938 extern const WCHAR cszSourceDir[];
 939 extern const WCHAR cszSOURCEDIR[];
 940 extern const WCHAR szProductCode[];
 941 extern const WCHAR cszRootDrive[];
 942 extern const WCHAR cszbs[];
 943
 944 /* memory allocation macro functions */
 945 static inline void *msi_alloc( size_t len )
 946 {
 947     return HeapAlloc( GetProcessHeap(), 0, len );
 948 }
 949
 950 static inline void *msi_alloc_zero( size_t len )
 951 {
 952     return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len );
 953 }
 954
 955 static inline void *msi_realloc( void *mem, size_t len )
 956 {
 957     return HeapReAlloc( GetProcessHeap(), 0, mem, len );
 958 }
 959
 960 static inline void *msi_realloc_zero( void *mem, size_t len )
 961 {
 962     return HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len );
 963 }
 964
 965 static inline BOOL msi_free( void *mem )
 966 {
 967     return HeapFree( GetProcessHeap(), 0, mem );
 968 }
 969
 970 static inline char *strdupWtoA( LPCWSTR str )
 971 {
 972     LPSTR ret = NULL;
 973     DWORD len;
 974
 975     if (!str) return ret;
 976     len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 977     ret = msi_alloc( len );
 978     if (ret)
 979         WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
 980     return ret;
 981 }
 982
 983 static inline LPWSTR strdupAtoW( LPCSTR str )
 984 {
 985     LPWSTR ret = NULL;
 986     DWORD len;
 987
 988     if (!str) return ret;
 989     len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
 990     ret = msi_alloc( len * sizeof(WCHAR) );
 991     if (ret)
 992         MultiByteToWideChar( CP_ACP, 0, str, -1, ret, len );
 993     return ret;
 994 }
 995
 996 static inline LPWSTR strdupW( LPCWSTR src )
 997 {
 998     LPWSTR dest;
 999     if (!src) return NULL;
1000     dest = msi_alloc( (lstrlenW(src)+1)*sizeof(WCHAR) );
1001     if (dest)
1002         lstrcpyW(dest, src);
1003     return dest;
1004 }
1005
1006 #endif /* __WINE_MSI_PRIVATE__ */