misc/shell.c

   1 /*
   2  *                              Shell Library Functions
   3  */
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include <ctype.h>
   9 #include "windows.h"
  10 #include "file.h"
  11 #include "shell.h"
  12 #include "heap.h"
  13 #include "module.h"
  14 #include "neexe.h"
  15 #include "resource.h"
  16 #include "dlgs.h"
  17 #include "win.h"
  18 #include "cursoricon.h"
  19 #include "stddebug.h"
  20 #include "debug.h"
  21 #include "xmalloc.h"
  22 #include "winreg.h"
  23
  24 /* .ICO file ICONDIR definitions */
  25
  26 #pragma pack(1)
  27
  28 typedef struct
  29 {
  30     BYTE        bWidth;          /* Width, in pixels, of the image      */
  31     BYTE        bHeight;         /* Height, in pixels, of the image     */
  32     BYTE        bColorCount;     /* Number of colors in image (0 if >=8bpp) */
  33     BYTE        bReserved;       /* Reserved ( must be 0)               */
  34     WORD        wPlanes;         /* Color Planes                        */
  35     WORD        wBitCount;       /* Bits per pixel                      */
  36     DWORD       dwBytesInRes;    /* How many bytes in this resource?    */
  37     DWORD       dwImageOffset;   /* Where in the file is this image?    */
  38 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
  39
  40 typedef struct
  41 {
  42     WORD            idReserved;   /* Reserved (must be 0)               */
  43     WORD            idType;       /* Resource Type (1 for icons)        */
  44     WORD            idCount;      /* How many images?                   */
  45     icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
  46 } icoICONDIR, *LPicoICONDIR;
  47
  48 #pragma pack(4)
  49
  50 extern HGLOBAL16 CURSORICON_LoadHandler( HGLOBAL16, HINSTANCE16, BOOL);
  51 extern WORD     GetIconID( HGLOBAL16 hResource, DWORD resType );
  52
  53 /*************************************************************************
  54  *                              DragAcceptFiles         [SHELL.9]
  55  */
  56 void DragAcceptFiles(HWND hWnd, BOOL b)
  57 {
  58     WND* wnd = WIN_FindWndPtr(hWnd);
  59
  60     if( wnd )
  61         wnd->dwExStyle = b? wnd->dwExStyle | WS_EX_ACCEPTFILES
  62                           : wnd->dwExStyle & ~WS_EX_ACCEPTFILES;
  63 }
  64
  65
  66 /*************************************************************************
  67  *                              DragQueryFile           [SHELL.11]
  68  */
  69 UINT DragQueryFile(HDROP16 hDrop, WORD wFile, LPSTR lpszFile, WORD wLength)
  70 {
  71     /* hDrop is a global memory block allocated with GMEM_SHARE
  72      * with DROPFILESTRUCT as a header and filenames following
  73      * it, zero length filename is in the end */
  74
  75     LPDROPFILESTRUCT lpDropFileStruct;
  76     LPSTR lpCurrent;
  77     WORD  i;
  78
  79     dprintf_reg(stddeb,"DragQueryFile(%04x, %i, %p, %u)\n",
  80                 hDrop,wFile,lpszFile,wLength);
  81
  82     lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
  83     if(!lpDropFileStruct) return 0;
  84
  85     lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
  86
  87     i = 0;
  88     while (i++ < wFile)
  89     {
  90         while (*lpCurrent++);  /* skip filename */
  91         if (!*lpCurrent)
  92             return (wFile == 0xFFFF) ? i : 0;
  93     }
  94
  95     i = strlen(lpCurrent);
  96     if (!lpszFile) return i+1;   /* needed buffer size */
  97
  98     i = (wLength > i) ? i : wLength-1;
  99     strncpy(lpszFile, lpCurrent, i);
 100     lpszFile[i] = '\0';
 101
 102     GlobalUnlock16(hDrop);
 103     return i;
 104 }
 105
 106
 107 /*************************************************************************
 108  *                              DragFinish              [SHELL.12]
 109  */
 110 void DragFinish(HDROP16 h)
 111 {
 112     GlobalFree16((HGLOBAL16)h);
 113 }
 114
 115
 116 /*************************************************************************
 117  *                              DragQueryPoint          [SHELL.13]
 118  */
 119 BOOL DragQueryPoint(HDROP16 hDrop, POINT16 *p)
 120 {
 121     LPDROPFILESTRUCT lpDropFileStruct;
 122     BOOL16           bRet;
 123
 124     lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
 125
 126     memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 127     bRet = lpDropFileStruct->fInNonClientArea;
 128
 129     GlobalUnlock16(hDrop);
 130     return bRet;
 131 }
 132
 133 /*************************************************************************
 134  *                              SHELL_FindExecutable
 135  * Utility for code sharing between FindExecutable and ShellExecute
 136  */
 137 static HINSTANCE16 SHELL_FindExecutable( LPCSTR lpFile,
 138                                          LPCSTR lpDirectory,
 139                                          LPCSTR lpOperation,
 140                                          LPSTR lpResult)
 141 {
 142     char *extension = NULL; /* pointer to file extension */
 143     char tmpext[5];         /* local copy to mung as we please */
 144     char filetype[256];     /* registry name for this filetype */
 145     LONG filetypelen=256;   /* length of above */
 146     char command[256];      /* command from registry */
 147     LONG commandlen=256;    /* This is the most DOS can handle :) */
 148     char buffer[256];       /* Used to GetProfileString */
 149     HINSTANCE16 retval=31;  /* default - 'No association was found' */
 150     char *tok;              /* token pointer */
 151     int i;                  /* random counter */
 152     char xlpFile[256];      /* result of SearchPath */
 153
 154     dprintf_exec(stddeb, "SHELL_FindExecutable: File %s, Dir %s\n",
 155                  (lpFile != NULL?lpFile:"-"),
 156                  (lpDirectory != NULL?lpDirectory:"-"));
 157
 158     lpResult[0]='\0'; /* Start off with an empty return string */
 159
 160     /* trap NULL parameters on entry */
 161     if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL ))
 162     {
 163         /* FIXME - should throw a warning, perhaps! */
 164         return 2; /* File not found. Close enough, I guess. */
 165     }
 166     if (SearchPath32A(lpDirectory,lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
 167         lpFile = xlpFile;
 168
 169     /* First thing we need is the file's extension */
 170     extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
 171                                         /* File->Run in progman uses */
 172                                         /* .\FILE.EXE :( */
 173     if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
 174     {
 175         return 31; /* no association */
 176     }
 177
 178     /* Make local copy & lowercase it for reg & 'programs=' lookup */
 179     lstrcpyn32A( tmpext, extension, 5 );
 180     CharLower32A( tmpext );
 181     dprintf_exec(stddeb, "SHELL_FindExecutable: %s file\n", tmpext);
 182
 183     /* Three places to check: */
 184     /* 1. win.ini, [windows], programs (NB no leading '.') */
 185     /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 186     /* 3. win.ini, [extensions], extension (NB no leading '.' */
 187     /* All I know of the order is that registry is checked before */
 188     /* extensions; however, it'd make sense to check the programs */
 189     /* section first, so that's what happens here. */
 190
 191     /* See if it's a program - if GetProfileString fails, we skip this
 192      * section. Actually, if GetProfileString fails, we've probably
 193      * got a lot more to worry about than running a program... */
 194     if ( GetProfileString32A("windows", "programs", "exe pif bat com",
 195                                                   buffer, sizeof(buffer)) > 0 )
 196           {
 197                 for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
 198
 199                 tok = strtok(buffer, " \t"); /* ? */
 200                 while( tok!= NULL)
 201                   {
 202                         if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
 203                           {
 204                                 strcpy(lpResult, xlpFile);
 205                                 /* Need to perhaps check that the file has a path
 206                                  * attached */
 207                                 dprintf_exec(stddeb, "SHELL_FindExecutable: found %s\n",
 208                                                          lpResult);
 209             return 33;
 210
 211                 /* Greater than 32 to indicate success FIXME According to the
 212                  * docs, I should be returning a handle for the
 213                  * executable. Does this mean I'm supposed to open the
 214                  * executable file or something? More RTFM, I guess... */
 215                           }
 216                         tok=strtok(NULL, " \t");
 217                   }
 218           }
 219
 220     /* Check registry */
 221     if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, tmpext, filetype,
 222                          &filetypelen ) == SHELL_ERROR_SUCCESS )
 223     {
 224         filetype[filetypelen]='\0';
 225         dprintf_exec(stddeb, "SHELL_FindExecutable: File type: %s\n",
 226                      filetype);
 227
 228         /* Looking for ...buffer\shell\lpOperation\command */
 229         strcat( filetype, "\\shell\\" );
 230         strcat( filetype, lpOperation );
 231         strcat( filetype, "\\command" );
 232
 233         if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, filetype, command,
 234                              &commandlen ) == SHELL_ERROR_SUCCESS )
 235         {
 236             /* Is there a replace() function anywhere? */
 237             command[commandlen]='\0';
 238             strcpy( lpResult, command );
 239             tok=strstr( lpResult, "%1" );
 240             if (tok != NULL)
 241             {
 242                 tok[0]='\0'; /* truncate string at the percent */
 243                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 244                 tok=strstr( command, "%1" );
 245                 if ((tok!=NULL) && (strlen(tok)>2))
 246                 {
 247                     strcat( lpResult, &tok[2] );
 248                 }
 249             }
 250             retval=33; /* FIXME see above */
 251         }
 252     }
 253     else /* Check win.ini */
 254     {
 255         /* Toss the leading dot */
 256         extension++;
 257         if ( GetProfileString32A( "extensions", extension, "", command,
 258                                   sizeof(command)) > 0)
 259           {
 260                 if (strlen(command)!=0)
 261                   {
 262                         strcpy( lpResult, command );
 263                         tok=strstr( lpResult, "^" ); /* should be ^.extension? */
 264                         if (tok != NULL)
 265                           {
 266                                 tok[0]='\0';
 267                                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 268                                 tok=strstr( command, "^" ); /* see above */
 269                                 if ((tok != NULL) && (strlen(tok)>5))
 270                                   {
 271                                         strcat( lpResult, &tok[5]);
 272                                   }
 273                           }
 274                         retval=33; /* FIXME - see above */
 275                   }
 276           }
 277         }
 278
 279     dprintf_exec(stddeb, "SHELL_FindExecutable: returning %s\n", lpResult);
 280     return retval;
 281 }
 282
 283 /*************************************************************************
 284  *                              ShellExecute            [SHELL.20]
 285  */
 286 HINSTANCE16 ShellExecute(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
 287                          LPSTR lpParameters, LPCSTR lpDirectory,
 288                          INT iShowCmd)
 289 {
 290     HINSTANCE16 retval=31;
 291     char cmd[256];
 292
 293     dprintf_exec(stddeb, "ShellExecute(%04x,'%s','%s','%s','%s',%x)\n",
 294                 hWnd, lpOperation ? lpOperation:"<null>", lpFile ? lpFile:"<null>",
 295                 lpParameters ? lpParameters : "<null>",
 296                 lpDirectory ? lpDirectory : "<null>", iShowCmd);
 297
 298     if (lpFile==NULL) return 0; /* should not happen */
 299     if (lpOperation==NULL) /* default is open */
 300       lpOperation="open";
 301
 302     retval = SHELL_FindExecutable( lpFile, lpDirectory, lpOperation, cmd );
 303
 304     if ( retval <= 32 )
 305     {
 306         return retval;
 307     }
 308
 309     if (lpParameters)
 310     {
 311         strcat(cmd," ");
 312         strcat(cmd,lpParameters);
 313     }
 314
 315     dprintf_exec(stddeb,"ShellExecute:starting %s\n",cmd);
 316     return WinExec32(cmd,iShowCmd);
 317 }
 318
 319 /*************************************************************************
 320  *                              FindExecutable          [SHELL.21]
 321  */
 322 HINSTANCE16 FindExecutable(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 323 {
 324     HINSTANCE16 retval=31;    /* default - 'No association was found' */
 325
 326     dprintf_exec(stddeb, "FindExecutable: File %s, Dir %s\n",
 327                  (lpFile != NULL?lpFile:"-"),
 328                  (lpDirectory != NULL?lpDirectory:"-"));
 329
 330     lpResult[0]='\0'; /* Start off with an empty return string */
 331
 332     /* trap NULL parameters on entry */
 333     if (( lpFile == NULL ) || ( lpResult == NULL ))
 334     {
 335         /* FIXME - should throw a warning, perhaps! */
 336         return 2; /* File not found. Close enough, I guess. */
 337     }
 338
 339     retval = SHELL_FindExecutable( lpFile, lpDirectory, "open",
 340                                   lpResult );
 341
 342     dprintf_exec(stddeb, "FindExecutable: returning %s\n", lpResult);
 343     return retval;
 344 }
 345
 346 typedef struct
 347 {
 348     LPCSTR  szApp;
 349     LPCSTR  szOtherStuff;
 350     HICON32 hIcon;
 351 } ABOUT_INFO;
 352
 353
 354 /*************************************************************************
 355  *             AboutDlgProc32  (not an exported API function)
 356  */
 357 LRESULT AboutDlgProc32( HWND32 hWnd, UINT32 msg, WPARAM32 wParam,
 358                         LPARAM lParam )
 359 {
 360     char Template[512], AppTitle[512];
 361
 362     switch(msg)
 363     {
 364     case WM_INITDIALOG:
 365         {
 366             ABOUT_INFO *info = (ABOUT_INFO *)lParam;
 367             if (info)
 368             {
 369                 SendDlgItemMessage32A(hWnd, stc1, STM_SETICON, info->hIcon, 0);
 370                 GetWindowText32A( hWnd, Template, sizeof(Template) );
 371                 sprintf( AppTitle, Template, info->szApp );
 372                 SetWindowText32A( hWnd, AppTitle );
 373                 SetWindowText32A( GetDlgItem32(hWnd,100), info->szOtherStuff );
 374             }
 375         }
 376         return 1;
 377
 378     case WM_COMMAND:
 379         if (wParam == IDOK)
 380         {
 381             EndDialog(hWnd, TRUE);
 382             return TRUE;
 383         }
 384         break;
 385     }
 386     return 0;
 387 }
 388
 389
 390 /*************************************************************************
 391  *             AboutDlgProc16   (SHELL.33)
 392  */
 393 LRESULT AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
 394                         LPARAM lParam )
 395 {
 396     return AboutDlgProc32( hWnd, msg, wParam, lParam );
 397 }
 398
 399
 400 /*************************************************************************
 401  *             ShellAbout16   (SHELL.22)
 402  */
 403 BOOL16 ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 404                      HICON16 hIcon )
 405 {
 406     return ShellAbout32A( hWnd, szApp, szOtherStuff, hIcon );
 407 }
 408
 409 /*************************************************************************
 410  *             ShellAbout32A   (SHELL32.82)
 411  */
 412 BOOL32 ShellAbout32A( HWND32 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 413                       HICON32 hIcon )
 414 {
 415     ABOUT_INFO info;
 416     info.szApp        = szApp;
 417     info.szOtherStuff = szOtherStuff;
 418     info.hIcon        = hIcon;
 419     if (!hIcon) info.hIcon = LoadIcon16( 0, MAKEINTRESOURCE(OIC_WINEICON) );
 420     return DialogBoxIndirectParam32A( WIN_GetWindowInstance( hWnd ),
 421                          SYSRES_GetResPtr( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX ),
 422                                       hWnd, AboutDlgProc32, (LPARAM)&info );
 423 }
 424
 425
 426 /*************************************************************************
 427  *             ShellAbout32W   (SHELL32.83)
 428  */
 429 BOOL32 ShellAbout32W( HWND32 hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff,
 430                       HICON32 hIcon )
 431 {
 432     BOOL32 ret;
 433     ABOUT_INFO info;
 434
 435     info.szApp        = HEAP_strdupWtoA( GetProcessHeap(), 0, szApp );
 436     info.szOtherStuff = HEAP_strdupWtoA( GetProcessHeap(), 0, szOtherStuff );
 437     info.hIcon        = hIcon;
 438     if (!hIcon) info.hIcon = LoadIcon16( 0, MAKEINTRESOURCE(OIC_WINEICON) );
 439     ret = DialogBoxIndirectParam32A( WIN_GetWindowInstance( hWnd ),
 440                          SYSRES_GetResPtr( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX ),
 441                                       hWnd, AboutDlgProc32, (LPARAM)&info );
 442     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szApp );
 443     HeapFree( GetProcessHeap(), 0, (LPSTR)info.szOtherStuff );
 444     return ret;
 445 }
 446
 447
 448 /*************************************************************************
 449  *                              SHELL_GetResourceTable
 450  *
 451  * FIXME: Implement GetPEResourceTable in w32sys.c and call it here.
 452  */
 453 static BYTE* SHELL_GetResourceTable(HFILE32 hFile)
 454 {
 455   struct mz_header_s mz_header;
 456   struct ne_header_s ne_header;
 457   int           size;
 458
 459   _llseek32( hFile, 0, SEEK_SET );
 460   if ((_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
 461       (mz_header.mz_magic != MZ_SIGNATURE)) return (BYTE*)-1;
 462
 463   _llseek32( hFile, mz_header.ne_offset, SEEK_SET );
 464   if (_lread32( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
 465       return NULL;
 466
 467   if (ne_header.ne_magic == PE_SIGNATURE)
 468      { fprintf(stdnimp,"Win32s FIXME: file %s line %i\n", __FILE__, __LINE__ );
 469        return NULL; }
 470
 471   if (ne_header.ne_magic != NE_SIGNATURE) return NULL;
 472
 473   size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
 474
 475   if( size > sizeof(NE_TYPEINFO) )
 476     {
 477       BYTE* pTypeInfo = (BYTE*)xmalloc(size);
 478
 479       if( !pTypeInfo ) return NULL;
 480
 481       _llseek32(hFile, mz_header.ne_offset+ne_header.resource_tab_offset, SEEK_SET);
 482       if( _lread32( hFile, (char*)pTypeInfo, size) != size )
 483         { free(pTypeInfo); return NULL; }
 484       return pTypeInfo;
 485     }
 486   /* no resources */
 487
 488   return NULL;
 489 }
 490
 491 /*************************************************************************
 492  *                      SHELL_LoadResource
 493  */
 494 static HGLOBAL16 SHELL_LoadResource(HINSTANCE16 hInst, HFILE32 hFile, NE_NAMEINFO* pNInfo, WORD sizeShift)
 495 {
 496  BYTE*  ptr;
 497  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, (DWORD)pNInfo->length << sizeShift);
 498
 499  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 500    {
 501     _llseek32( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
 502      _lread32( hFile, (char*)ptr, pNInfo->length << sizeShift);
 503      return handle;
 504    }
 505  return 0;
 506 }
 507
 508 /*************************************************************************
 509  *                      ICO_LoadIcon
 510  */
 511 static HGLOBAL16 ICO_LoadIcon(HINSTANCE16 hInst, HFILE32 hFile, LPicoICONDIRENTRY lpiIDE)
 512 {
 513  BYTE*  ptr;
 514  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, lpiIDE->dwBytesInRes);
 515
 516  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 517    {
 518     _llseek32( hFile, lpiIDE->dwImageOffset, SEEK_SET);
 519      _lread32( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
 520      return handle;
 521    }
 522  return 0;
 523 }
 524
 525 /*************************************************************************
 526  *                      ICO_GetIconDirectory
 527  *
 528  *  Read .ico file and build phony ICONDIR struct for GetIconID
 529  */
 530 static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE16 hInst, HFILE32 hFile, LPicoICONDIR* lplpiID )
 531 {
 532   WORD          id[3];  /* idReserved, idType, idCount */
 533   LPicoICONDIR  lpiID;
 534   int           i;
 535
 536   _llseek32( hFile, 0, SEEK_SET );
 537   if( _lread32(hFile,(char*)id,sizeof(id)) != sizeof(id) ) return 0;
 538
 539   /* check .ICO header
 540    *
 541    * - see http://www.microsoft.com/win32dev/ui/icons.htm
 542    */
 543
 544   if( id[0] || id[1] != 1 || !id[2] ) return 0;
 545
 546   i = id[2]*sizeof(icoICONDIRENTRY) + sizeof(id);
 547
 548   lpiID = (LPicoICONDIR)xmalloc(i);
 549
 550   if( _lread32(hFile,(char*)lpiID->idEntries,i) == i )
 551   {
 552      HGLOBAL16 handle = DirectResAlloc( hInst, 0x10,
 553                                      id[2]*sizeof(ICONDIRENTRY) + sizeof(id) );
 554      if( handle )
 555      {
 556        CURSORICONDIR*     lpID = (CURSORICONDIR*)GlobalLock16( handle );
 557        lpID->idReserved = lpiID->idReserved = id[0];
 558        lpID->idType = lpiID->idType = id[1];
 559        lpID->idCount = lpiID->idCount = id[2];
 560        for( i=0; i < lpiID->idCount; i++ )
 561          {
 562             memcpy((void*)(lpID->idEntries + i),
 563                    (void*)(lpiID->idEntries + i), sizeof(ICONDIRENTRY) - 2);
 564             lpID->idEntries[i].icon.wResId = i;
 565          }
 566       *lplpiID = lpiID;
 567        return handle;
 568      }
 569   }
 570   /* fail */
 571
 572   free(lpiID);
 573   return 0;
 574 }
 575
 576 /*************************************************************************
 577  *                      InternalExtractIcon             [SHELL.39]
 578  *
 579  * This abortion is called directly by Progman
 580  */
 581 HGLOBAL16 InternalExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, UINT nIconIndex, WORD n )
 582 {
 583   HGLOBAL16     hRet = 0;
 584   HGLOBAL16*    RetPtr = NULL;
 585   BYTE*         pData;
 586   OFSTRUCT      ofs;
 587   HFILE32       hFile = OpenFile32( lpszExeFileName, &ofs, OF_READ );
 588
 589   dprintf_reg(stddeb, "InternalExtractIcon(%04x, file '%s', start from %d, extract %d\n",
 590                        hInstance, lpszExeFileName, nIconIndex, n);
 591
 592   if( hFile == HFILE_ERROR32 || !n ) return 0;
 593
 594   hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
 595   RetPtr = (HICON16*)GlobalLock16(hRet);
 596
 597  *RetPtr = (n == 0xFFFF)? 0: 1;                         /* error return values */
 598
 599   pData = SHELL_GetResourceTable(hFile);
 600   if( pData )
 601   {
 602     HICON16      hIcon = 0;
 603     BOOL         icoFile = FALSE;
 604     UINT         iconDirCount = 0;
 605     UINT         iconCount = 0;
 606     NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2);
 607     NE_NAMEINFO* pIconStorage = NULL;
 608     NE_NAMEINFO* pIconDir = NULL;
 609     LPicoICONDIR lpiID = NULL;
 610
 611     if( pData == (BYTE*)-1 )
 612       {
 613         /* check for .ICO file */
 614
 615         hIcon = ICO_GetIconDirectory(hInstance, hFile, &lpiID);
 616         if( hIcon )
 617           { icoFile = TRUE; iconDirCount = 1; iconCount = lpiID->idCount; }
 618       }
 619     else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 620       {
 621         /* find icon directory and icon repository */
 622
 623         if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )
 624           {
 625              iconDirCount = pTInfo->count;
 626              pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 627              dprintf_reg(stddeb,"\tfound directory - %i icon families\n", iconDirCount);
 628           }
 629         if( pTInfo->type_id == NE_RSCTYPE_ICON )
 630           {
 631              iconCount = pTInfo->count;
 632              pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 633              dprintf_reg(stddeb,"\ttotal icons - %i\n", iconCount);
 634           }
 635         pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 636       }
 637
 638     /* load resources and create icons */
 639
 640     if( (pIconStorage && pIconDir) || icoFile )
 641       if( nIconIndex == (UINT)-1 ) RetPtr[0] = iconDirCount;
 642       else if( nIconIndex < iconDirCount )
 643         {
 644            UINT   i, icon;
 645
 646            if( n > iconDirCount - nIconIndex ) n = iconDirCount - nIconIndex;
 647
 648            for( i = nIconIndex; i < nIconIndex + n; i++ )
 649              {
 650                /* .ICO files have only one icon directory */
 651
 652                if( !icoFile )
 653                  hIcon = SHELL_LoadResource( hInstance, hFile, pIconDir + i,
 654                                                             *(WORD*)pData );
 655                RetPtr[i-nIconIndex] = GetIconID( hIcon, 3 );
 656                GlobalFree16(hIcon);
 657              }
 658
 659            for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
 660              {
 661                hIcon = 0;
 662                if( icoFile )
 663                  hIcon = ICO_LoadIcon( hInstance, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]);
 664                else
 665                  for( i = 0; i < iconCount; i++ )
 666                     if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 667                       hIcon = SHELL_LoadResource( hInstance, hFile, pIconStorage + i,
 668                                                                      *(WORD*)pData );
 669                RetPtr[icon-nIconIndex] = (hIcon)?CURSORICON_LoadHandler( hIcon, hInstance, FALSE ):0;
 670              }
 671         }
 672     if( icoFile ) free(lpiID);
 673     else free(pData);
 674  }
 675  _lclose32( hFile );
 676
 677   /* return array with icon handles */
 678
 679   return hRet;
 680 }
 681
 682 /*************************************************************************
 683  *                              ExtractIcon             [SHELL.34]
 684  */
 685 HICON16 ExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, WORD nIconIndex)
 686 {
 687   HGLOBAL16 handle = InternalExtractIcon(hInstance,lpszExeFileName,nIconIndex, 1);
 688
 689   if( handle )
 690     {
 691       HICON16* ptr = (HICON16*)GlobalLock16(handle);
 692       HICON16  hIcon = *ptr;
 693
 694       GlobalFree16(handle);
 695       return hIcon;
 696     }
 697   return 0;
 698 }
 699
 700 /*************************************************************************
 701  *                              ExtractAssociatedIcon   [SHELL.36]
 702  *
 703  * Return icon for given file (either from file itself or from associated
 704  * executable) and patch parameters if needed.
 705  */
 706 HICON16 ExtractAssociatedIcon(HINSTANCE16 hInst,LPSTR lpIconPath,LPWORD lpiIcon)
 707 {
 708     HICON16 hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
 709
 710     if( hIcon < 2 )
 711       {
 712
 713         if( hIcon == 1 ) /* no icons found in given file */
 714           {
 715             char  tempPath[0x80];
 716             UINT  uRet = FindExecutable(lpIconPath,NULL,tempPath);
 717
 718             if( uRet > 32 && tempPath[0] )
 719               {
 720                 strcpy(lpIconPath,tempPath);
 721                 hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
 722
 723                 if( hIcon > 2 ) return hIcon;
 724               }
 725             else hIcon = 0;
 726           }
 727
 728         if( hIcon == 1 )
 729           *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 730         else
 731           *lpiIcon = 6;   /* generic icon - found nothing */
 732
 733         GetModuleFileName16(hInst, lpIconPath, 0x80);
 734         hIcon = LoadIcon16( hInst, MAKEINTRESOURCE(*lpiIcon));
 735       }
 736
 737     return hIcon;
 738 }
 739
 740 /*************************************************************************
 741  *                              FindEnvironmentString   [SHELL.38]
 742  *
 743  * Returns a pointer into the DOS environment... Ugh.
 744  */
 745 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 746 {
 747   UINT  l = strlen(entry);
 748   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 749      {
 750        if( lstrncmpi32A(lpEnv, entry, l) ) continue;
 751
 752        if( !*(lpEnv+l) )
 753          return (lpEnv + l);            /* empty entry */
 754        else if ( *(lpEnv+l)== '=' )
 755          return (lpEnv + l + 1);
 756      }
 757   return NULL;
 758 }
 759
 760 SEGPTR FindEnvironmentString(LPSTR str)
 761 {
 762  SEGPTR  spEnv = GetDOSEnvironment();
 763  LPSTR  lpEnv = (LPSTR)PTR_SEG_TO_LIN(spEnv);
 764
 765  LPSTR  lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 766
 767  if( lpString )         /*  offset should be small enough */
 768      return spEnv + (lpString - lpEnv);
 769
 770  return (SEGPTR)NULL;
 771 }
 772
 773 /*************************************************************************
 774  *                              DoEnvironmentSubst      [SHELL.37]
 775  *
 776  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 777  * from "DOS" environment.
 778  */
 779 DWORD DoEnvironmentSubst(LPSTR str,WORD length)
 780 {
 781   LPSTR   lpEnv = (LPSTR)PTR_SEG_TO_LIN(GetDOSEnvironment());
 782   LPSTR   lpBuffer = (LPSTR)xmalloc(length);
 783   LPSTR   lpstr = str;
 784   LPSTR   lpbstr = lpBuffer;
 785
 786   CharToOem32A(str,str);
 787
 788   dprintf_reg(stddeb,"DoEnvSubst: accept %s", str);
 789
 790   while( *lpstr && lpbstr - lpBuffer < length )
 791    {
 792      LPSTR lpend = lpstr;
 793
 794      if( *lpstr == '%' )
 795        {
 796           do { lpend++; } while( *lpend && *lpend != '%' );
 797           if( *lpend == '%' && lpend - lpstr > 1 )      /* found key */
 798             {
 799                LPSTR lpKey;
 800               *lpend = '\0';
 801                lpKey = SHELL_FindString(lpEnv, lpstr+1);
 802                if( lpKey )                              /* found key value */
 803                  {
 804                    int l = strlen(lpKey);
 805
 806                    if( l > length - (lpbstr - lpBuffer) - 1 )
 807                      {
 808                        fprintf(stdnimp,"File %s, line %i: Env subst aborted - string too short\n",
 809                                         __FILE__, __LINE__);
 810                       *lpend = '%';
 811                        break;
 812                      }
 813                    strcpy(lpbstr, lpKey);
 814                    lpbstr += l;
 815                  }
 816                else break;
 817               *lpend = '%';
 818                lpstr = lpend + 1;
 819             }
 820           else break;                                   /* back off and whine */
 821
 822           continue;
 823        }
 824
 825      *lpbstr++ = *lpstr++;
 826    }
 827
 828  *lpbstr = '\0';
 829   if( lpstr - str == strlen(str) )
 830     {
 831       strncpy(str, lpBuffer, length);
 832       length = 1;
 833     }
 834   else
 835       length = 0;
 836
 837   dprintf_reg(stddeb," return %s\n", str);
 838
 839   OemToChar32A(str,str);
 840   free(lpBuffer);
 841
 842   /*  Return str length in the LOWORD
 843    *  and 1 in HIWORD if subst was successful.
 844    */
 845  return (DWORD)MAKELONG(strlen(str), length);
 846 }
 847
 848 /*************************************************************************
 849  *                              RegisterShellHook       [SHELL.102]
 850  */
 851 int RegisterShellHook(void *ptr)
 852 {
 853         fprintf(stdnimp, "RegisterShellHook( %p ) : Empty Stub !!!\n", ptr);
 854         return 0;
 855 }
 856
 857
 858 /*************************************************************************
 859  *                              ShellHookProc           [SHELL.103]
 860  */
 861 int ShellHookProc(void)
 862 {
 863         fprintf(stdnimp, "ShellHookProc : Empty Stub !!!\n");
 864         return 0;
 865 }
 866
 867 /*************************************************************************
 868  *                              SHGetFileInfoA          [SHELL32.54]
 869  */
 870 DWORD
 871 SHGetFileInfo32A(LPCSTR path,DWORD dwFileAttributes,SHFILEINFO32A *psfi,
 872         UINT32 sizeofpsfi,UINT32 flags
 873 ) {
 874         fprintf(stdnimp,"SHGetFileInfo32A(%s,0x%08lx,%p,%d,0x%08x)\n",
 875                 path,dwFileAttributes,psfi,sizeofpsfi,flags
 876         );
 877         return TRUE;
 878 }
 879
 880 /*************************************************************************
 881  *                              CommandLineToArgvW      [SHELL32.2]
 882  */
 883 LPWSTR*
 884 CommandLineToArgvW(LPWSTR cmdline,LPDWORD numargs) {
 885         LPWSTR  *argv,s,t;
 886         int     i;
 887
 888         /* to get writeable copy */
 889         cmdline = HEAP_strdupW( GetProcessHeap(), 0, cmdline);
 890         s=cmdline;i=0;
 891         while (*s) {
 892                 /* space */
 893                 if (*s==0x0020) {
 894                         i++;
 895                         s++;
 896                         while (*s && *s==0x0020)
 897                                 s++;
 898                         continue;
 899                 }
 900                 s++;
 901         }
 902         argv=(LPWSTR*)HeapAlloc( GetProcessHeap(), 0, sizeof(LPWSTR)*(i+1) );
 903         s=t=cmdline;
 904         i=0;
 905         while (*s) {
 906                 if (*s==0x0020) {
 907                         *s=0;
 908                         argv[i++]=HEAP_strdupW( GetProcessHeap(), 0, t );
 909                         *s=0x0020;
 910                         while (*s && *s==0x0020)
 911                                 s++;
 912                         if (*s)
 913                                 t=s+1;
 914                         else
 915                                 t=s;
 916                         continue;
 917                 }
 918                 s++;
 919         }
 920         if (*t)
 921                 argv[i++]=(LPWSTR)HEAP_strdupW( GetProcessHeap(), 0, t );
 922         HeapFree( GetProcessHeap(), 0, cmdline );
 923         argv[i]=NULL;
 924         *numargs=i;
 925         return argv;
 926 }