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,NULL,sizeof(xlpFile),xlpFile,NULL))
 167         lpFile = xlpFile;
 168     else {
 169         if (SearchPath32A(lpDirectory,lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
 170             lpFile = xlpFile;
 171     }
 172
 173     /* First thing we need is the file's extension */
 174     extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
 175                                         /* File->Run in progman uses */
 176                                         /* .\FILE.EXE :( */
 177     if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
 178     {
 179         return 31; /* no association */
 180     }
 181
 182     /* Make local copy & lowercase it for reg & 'programs=' lookup */
 183     strncpy( tmpext, extension, 5 );
 184     if (strlen(extension)<=4)
 185         tmpext[strlen(extension)]='\0';
 186     else
 187         tmpext[4]='\0';
 188     for (i=0;i<strlen(tmpext);i++) tmpext[i]=tolower(tmpext[i]);
 189     dprintf_exec(stddeb, "SHELL_FindExecutable: %s file\n", tmpext);
 190
 191     /* Three places to check: */
 192     /* 1. win.ini, [windows], programs (NB no leading '.') */
 193     /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 194     /* 3. win.ini, [extensions], extension (NB no leading '.' */
 195     /* All I know of the order is that registry is checked before */
 196     /* extensions; however, it'd make sense to check the programs */
 197     /* section first, so that's what happens here. */
 198
 199     /* See if it's a program - if GetProfileString fails, we skip this
 200      * section. Actually, if GetProfileString fails, we've probably
 201      * got a lot more to worry about than running a program... */
 202     if ( GetProfileString32A("windows", "programs", "exe pif bat com",
 203                                                   buffer, sizeof(buffer)) > 0 )
 204           {
 205                 for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
 206
 207                 tok = strtok(buffer, " \t"); /* ? */
 208                 while( tok!= NULL)
 209                   {
 210                         if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
 211                           {
 212                                 strcpy(lpResult, xlpFile);
 213                                 /* Need to perhaps check that the file has a path
 214                                  * attached */
 215                                 dprintf_exec(stddeb, "SHELL_FindExecutable: found %s\n",
 216                                                          lpResult);
 217             return 33;
 218
 219                 /* Greater than 32 to indicate success FIXME According to the
 220                  * docs, I should be returning a handle for the
 221                  * executable. Does this mean I'm supposed to open the
 222                  * executable file or something? More RTFM, I guess... */
 223                           }
 224                         tok=strtok(NULL, " \t");
 225                   }
 226           }
 227
 228     /* Check registry */
 229     if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, tmpext, filetype,
 230                          &filetypelen ) == SHELL_ERROR_SUCCESS )
 231     {
 232         filetype[filetypelen]='\0';
 233         dprintf_exec(stddeb, "SHELL_FindExecutable: File type: %s\n",
 234                      filetype);
 235
 236         /* Looking for ...buffer\shell\lpOperation\command */
 237         strcat( filetype, "\\shell\\" );
 238         strcat( filetype, lpOperation );
 239         strcat( filetype, "\\command" );
 240
 241         if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, filetype, command,
 242                              &commandlen ) == SHELL_ERROR_SUCCESS )
 243         {
 244             /* Is there a replace() function anywhere? */
 245             command[commandlen]='\0';
 246             strcpy( lpResult, command );
 247             tok=strstr( lpResult, "%1" );
 248             if (tok != NULL)
 249             {
 250                 tok[0]='\0'; /* truncate string at the percent */
 251                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 252                 tok=strstr( command, "%1" );
 253                 if ((tok!=NULL) && (strlen(tok)>2))
 254                 {
 255                     strcat( lpResult, &tok[2] );
 256                 }
 257             }
 258             retval=33; /* FIXME see above */
 259         }
 260     }
 261     else /* Check win.ini */
 262     {
 263         /* Toss the leading dot */
 264         extension++;
 265         if ( GetProfileString32A( "extensions", extension, "", command,
 266                                   sizeof(command)) > 0)
 267           {
 268                 if (strlen(command)!=0)
 269                   {
 270                         strcpy( lpResult, command );
 271                         tok=strstr( lpResult, "^" ); /* should be ^.extension? */
 272                         if (tok != NULL)
 273                           {
 274                                 tok[0]='\0';
 275                                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 276                                 tok=strstr( command, "^" ); /* see above */
 277                                 if ((tok != NULL) && (strlen(tok)>5))
 278                                   {
 279                                         strcat( lpResult, &tok[5]);
 280                                   }
 281                           }
 282                         retval=33; /* FIXME - see above */
 283                   }
 284           }
 285         }
 286
 287     dprintf_exec(stddeb, "SHELL_FindExecutable: returning %s\n", lpResult);
 288     return retval;
 289 }
 290
 291 /*************************************************************************
 292  *                              ShellExecute            [SHELL.20]
 293  */
 294 HINSTANCE16 ShellExecute(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
 295                          LPSTR lpParameters, LPCSTR lpDirectory,
 296                          INT iShowCmd)
 297 {
 298     HINSTANCE16 retval=31;
 299     char cmd[256];
 300
 301     dprintf_exec(stddeb, "ShellExecute(%04x,'%s','%s','%s','%s',%x)\n",
 302                 hWnd, lpOperation ? lpOperation:"<null>", lpFile ? lpFile:"<null>",
 303                 lpParameters ? lpParameters : "<null>",
 304                 lpDirectory ? lpDirectory : "<null>", iShowCmd);
 305
 306     if (lpFile==NULL) return 0; /* should not happen */
 307     if (lpOperation==NULL) /* default is open */
 308       lpOperation="open";
 309
 310     retval = SHELL_FindExecutable( lpFile, lpDirectory, lpOperation, cmd );
 311
 312     if ( retval <= 32 )
 313     {
 314         return retval;
 315     }
 316
 317     if (lpParameters)
 318     {
 319         strcat(cmd," ");
 320         strcat(cmd,lpParameters);
 321     }
 322
 323     dprintf_exec(stddeb,"ShellExecute:starting %s\n",cmd);
 324     return WinExec(cmd,iShowCmd);
 325 }
 326
 327 /*************************************************************************
 328  *                              FindExecutable          [SHELL.21]
 329  */
 330 HINSTANCE16 FindExecutable(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 331 {
 332     HINSTANCE16 retval=31;    /* default - 'No association was found' */
 333
 334     dprintf_exec(stddeb, "FindExecutable: File %s, Dir %s\n",
 335                  (lpFile != NULL?lpFile:"-"),
 336                  (lpDirectory != NULL?lpDirectory:"-"));
 337
 338     lpResult[0]='\0'; /* Start off with an empty return string */
 339
 340     /* trap NULL parameters on entry */
 341     if (( lpFile == NULL ) || ( lpResult == NULL ))
 342     {
 343         /* FIXME - should throw a warning, perhaps! */
 344         return 2; /* File not found. Close enough, I guess. */
 345     }
 346
 347     retval = SHELL_FindExecutable( lpFile, lpDirectory, "open",
 348                                   lpResult );
 349
 350     dprintf_exec(stddeb, "FindExecutable: returning %s\n", lpResult);
 351     return retval;
 352 }
 353
 354 static char AppName[128], AppMisc[1536];
 355
 356 /*************************************************************************
 357  *                              AboutDlgProc            [SHELL.33]
 358  */
 359 LRESULT AboutDlgProc(HWND hWnd, UINT msg, WPARAM16 wParam, LPARAM lParam)
 360 {
 361   char Template[512], AppTitle[512];
 362
 363   switch(msg) {
 364    case WM_INITDIALOG:
 365     SendDlgItemMessage32A(hWnd,stc1,STM_SETICON,lParam,0);
 366     GetWindowText32A(hWnd, Template, sizeof(Template));
 367     sprintf(AppTitle, Template, AppName);
 368     SetWindowText32A(hWnd, AppTitle);
 369     SetWindowText32A(GetDlgItem(hWnd,100), AppMisc);
 370     return 1;
 371
 372    case WM_COMMAND:
 373     switch (wParam) {
 374      case IDOK:
 375       EndDialog(hWnd, TRUE);
 376       return TRUE;
 377     }
 378     break;
 379   }
 380   return FALSE;
 381 }
 382
 383 /*************************************************************************
 384  *                              ShellAbout              [SHELL.22]
 385  */
 386 INT ShellAbout(HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON16 hIcon)
 387 {
 388     HGLOBAL16 handle;
 389     BOOL bRet;
 390
 391     if (szApp) strncpy(AppName, szApp, sizeof(AppName));
 392     else *AppName = 0;
 393     AppName[sizeof(AppName)-1]=0;
 394
 395     if (szOtherStuff) strncpy(AppMisc, szOtherStuff, sizeof(AppMisc));
 396     else *AppMisc = 0;
 397     AppMisc[sizeof(AppMisc)-1]=0;
 398
 399     if (!hIcon) hIcon = LoadIcon16(0,MAKEINTRESOURCE(OIC_WINEICON));
 400     handle = SYSRES_LoadResource( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX );
 401     if (!handle) return FALSE;
 402     bRet = DialogBoxIndirectParam16( WIN_GetWindowInstance( hWnd ),
 403                                      handle, hWnd,
 404                                      (DLGPROC16)MODULE_GetWndProcEntry16("AboutDlgProc"),
 405                                      (LPARAM)hIcon );
 406     SYSRES_FreeResource( handle );
 407     return bRet;
 408 }
 409
 410 /*************************************************************************
 411  *                              ShellAbout32W           [SHELL32.83]
 412  */
 413 INT32 ShellAbout32W(HWND32 hWnd, LPCWSTR szApp, LPCWSTR szOtherStuff, HICON16 hIcon)
 414 {
 415     HGLOBAL16 handle;
 416     BOOL bRet;
 417
 418     if (szApp) lstrcpynWtoA(AppName, szApp, sizeof(AppName));
 419     else *AppName = 0;
 420     AppName[sizeof(AppName)-1]=0;
 421
 422     if (szOtherStuff) lstrcpynWtoA(AppMisc, szOtherStuff, sizeof(AppMisc));
 423     else *AppMisc = 0;
 424     AppMisc[sizeof(AppMisc)-1]=0;
 425
 426     if (!hIcon) hIcon = LoadIcon16(0,MAKEINTRESOURCE(OIC_WINEICON));
 427     handle = SYSRES_LoadResource( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX );
 428     if (!handle) return FALSE;
 429     bRet = DialogBoxIndirectParam16( WIN_GetWindowInstance( hWnd ),
 430                                      handle, hWnd,
 431                                      (DLGPROC16)MODULE_GetWndProcEntry16("AboutDlgProc"),
 432                                      (LPARAM)hIcon );
 433     SYSRES_FreeResource( handle );
 434     return bRet;
 435 }
 436
 437 /*************************************************************************
 438  *                              SHELL_GetResourceTable
 439  *
 440  * FIXME: Implement GetPEResourceTable in w32sys.c and call it here.
 441  */
 442 static BYTE* SHELL_GetResourceTable(HFILE hFile)
 443 {
 444   struct mz_header_s mz_header;
 445   struct ne_header_s ne_header;
 446   int           size;
 447
 448   _llseek( hFile, 0, SEEK_SET );
 449   if ((_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
 450       (mz_header.mz_magic != MZ_SIGNATURE)) return (BYTE*)-1;
 451
 452   _llseek( hFile, mz_header.ne_offset, SEEK_SET );
 453   if (_lread32( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
 454       return NULL;
 455
 456   if (ne_header.ne_magic == PE_SIGNATURE)
 457      { fprintf(stdnimp,"Win32s FIXME: file %s line %i\n", __FILE__, __LINE__ );
 458        return NULL; }
 459
 460   if (ne_header.ne_magic != NE_SIGNATURE) return NULL;
 461
 462   size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
 463
 464   if( size > sizeof(NE_TYPEINFO) )
 465     {
 466       BYTE* pTypeInfo = (BYTE*)xmalloc(size);
 467
 468       if( !pTypeInfo ) return NULL;
 469
 470       _llseek(hFile, mz_header.ne_offset+ne_header.resource_tab_offset, SEEK_SET);
 471       if( _lread32( hFile, (char*)pTypeInfo, size) != size )
 472         { free(pTypeInfo); return NULL; }
 473       return pTypeInfo;
 474     }
 475   /* no resources */
 476
 477   return NULL;
 478 }
 479
 480 /*************************************************************************
 481  *                      SHELL_LoadResource
 482  */
 483 static HGLOBAL16 SHELL_LoadResource(HINSTANCE16 hInst, HFILE hFile, NE_NAMEINFO* pNInfo, WORD sizeShift)
 484 {
 485  BYTE*  ptr;
 486  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, (DWORD)pNInfo->length << sizeShift);
 487
 488  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 489    {
 490     _llseek( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
 491      _lread32( hFile, (char*)ptr, pNInfo->length << sizeShift);
 492      return handle;
 493    }
 494  return 0;
 495 }
 496
 497 /*************************************************************************
 498  *                      ICO_LoadIcon
 499  */
 500 static HGLOBAL16 ICO_LoadIcon(HINSTANCE16 hInst, HFILE hFile, LPicoICONDIRENTRY lpiIDE)
 501 {
 502  BYTE*  ptr;
 503  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, lpiIDE->dwBytesInRes);
 504
 505  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 506    {
 507     _llseek( hFile, lpiIDE->dwImageOffset, SEEK_SET);
 508      _lread32( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
 509      return handle;
 510    }
 511  return 0;
 512 }
 513
 514 /*************************************************************************
 515  *                      ICO_GetIconDirectory
 516  *
 517  *  Read .ico file and build phony ICONDIR struct for GetIconID
 518  */
 519 static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE16 hInst, HFILE hFile, LPicoICONDIR* lplpiID )
 520 {
 521   WORD          id[3];  /* idReserved, idType, idCount */
 522   LPicoICONDIR  lpiID;
 523   int           i;
 524
 525   _llseek( hFile, 0, SEEK_SET );
 526   if( _lread32(hFile,(char*)id,sizeof(id)) != sizeof(id) ) return 0;
 527
 528   /* check .ICO header
 529    *
 530    * - see http://www.microsoft.com/win32dev/ui/icons.htm
 531    */
 532
 533   if( id[0] || id[1] != 1 || !id[2] ) return 0;
 534
 535   i = id[2]*sizeof(icoICONDIRENTRY) + sizeof(id);
 536
 537   lpiID = (LPicoICONDIR)xmalloc(i);
 538
 539   if( _lread32(hFile,(char*)lpiID->idEntries,i) == i )
 540   {
 541      HGLOBAL16 handle = DirectResAlloc( hInst, 0x10,
 542                                      id[2]*sizeof(ICONDIRENTRY) + sizeof(id) );
 543      if( handle )
 544      {
 545        CURSORICONDIR*     lpID = (CURSORICONDIR*)GlobalLock16( handle );
 546        lpID->idReserved = lpiID->idReserved = id[0];
 547        lpID->idType = lpiID->idType = id[1];
 548        lpID->idCount = lpiID->idCount = id[2];
 549        for( i=0; i < lpiID->idCount; i++ )
 550          {
 551             memcpy((void*)(lpID->idEntries + i),
 552                    (void*)(lpiID->idEntries + i), sizeof(ICONDIRENTRY) - 2);
 553             lpID->idEntries[i].icon.wResId = i;
 554          }
 555       *lplpiID = lpiID;
 556        return handle;
 557      }
 558   }
 559   /* fail */
 560
 561   free(lpiID);
 562   return 0;
 563 }
 564
 565 /*************************************************************************
 566  *                      InternalExtractIcon             [SHELL.39]
 567  *
 568  * This abortion is called directly by Progman
 569  */
 570 HGLOBAL16 InternalExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, UINT nIconIndex, WORD n )
 571 {
 572   HGLOBAL16     hRet = 0;
 573   HGLOBAL16*    RetPtr = NULL;
 574   BYTE*         pData;
 575   OFSTRUCT      ofs;
 576   HFILE         hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
 577
 578   dprintf_reg(stddeb, "InternalExtractIcon(%04x, file '%s', start from %d, extract %d\n",
 579                        hInstance, lpszExeFileName, nIconIndex, n);
 580
 581   if( hFile == HFILE_ERROR || !n ) return 0;
 582
 583   hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
 584   RetPtr = (HICON16*)GlobalLock16(hRet);
 585
 586  *RetPtr = (n == 0xFFFF)? 0: 1;                         /* error return values */
 587
 588   pData = SHELL_GetResourceTable(hFile);
 589   if( pData )
 590   {
 591     HICON16      hIcon = 0;
 592     BOOL         icoFile = FALSE;
 593     UINT         iconDirCount = 0;
 594     UINT         iconCount = 0;
 595     NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2);
 596     NE_NAMEINFO* pIconStorage = NULL;
 597     NE_NAMEINFO* pIconDir = NULL;
 598     LPicoICONDIR lpiID = NULL;
 599
 600     if( pData == (BYTE*)-1 )
 601       {
 602         /* check for .ICO file */
 603
 604         hIcon = ICO_GetIconDirectory(hInstance, hFile, &lpiID);
 605         if( hIcon )
 606           { icoFile = TRUE; iconDirCount = 1; iconCount = lpiID->idCount; }
 607       }
 608     else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 609       {
 610         /* find icon directory and icon repository */
 611
 612         if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )
 613           {
 614              iconDirCount = pTInfo->count;
 615              pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 616              dprintf_reg(stddeb,"\tfound directory - %i icon families\n", iconDirCount);
 617           }
 618         if( pTInfo->type_id == NE_RSCTYPE_ICON )
 619           {
 620              iconCount = pTInfo->count;
 621              pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 622              dprintf_reg(stddeb,"\ttotal icons - %i\n", iconCount);
 623           }
 624         pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 625       }
 626
 627     /* load resources and create icons */
 628
 629     if( (pIconStorage && pIconDir) || icoFile )
 630       if( nIconIndex == (UINT)-1 ) RetPtr[0] = iconDirCount;
 631       else if( nIconIndex < iconDirCount )
 632         {
 633            UINT   i, icon;
 634
 635            if( n > iconDirCount - nIconIndex ) n = iconDirCount - nIconIndex;
 636
 637            for( i = nIconIndex; i < nIconIndex + n; i++ )
 638              {
 639                /* .ICO files have only one icon directory */
 640
 641                if( !icoFile )
 642                  hIcon = SHELL_LoadResource( hInstance, hFile, pIconDir + i,
 643                                                             *(WORD*)pData );
 644                RetPtr[i-nIconIndex] = GetIconID( hIcon, 3 );
 645                GlobalFree16(hIcon);
 646              }
 647
 648            for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
 649              {
 650                hIcon = 0;
 651                if( icoFile )
 652                  hIcon = ICO_LoadIcon( hInstance, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]);
 653                else
 654                  for( i = 0; i < iconCount; i++ )
 655                     if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 656                       hIcon = SHELL_LoadResource( hInstance, hFile, pIconStorage + i,
 657                                                                      *(WORD*)pData );
 658                RetPtr[icon-nIconIndex] = (hIcon)?CURSORICON_LoadHandler( hIcon, hInstance, FALSE ):0;
 659              }
 660         }
 661     if( icoFile ) free(lpiID);
 662     else free(pData);
 663  }
 664  _lclose( hFile );
 665
 666   /* return array with icon handles */
 667
 668   return hRet;
 669 }
 670
 671 /*************************************************************************
 672  *                              ExtractIcon             [SHELL.34]
 673  */
 674 HICON16 ExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, WORD nIconIndex)
 675 {
 676   HGLOBAL16 handle = InternalExtractIcon(hInstance,lpszExeFileName,nIconIndex, 1);
 677
 678   if( handle )
 679     {
 680       HICON16* ptr = (HICON16*)GlobalLock16(handle);
 681       HICON16  hIcon = *ptr;
 682
 683       GlobalFree16(handle);
 684       return hIcon;
 685     }
 686   return 0;
 687 }
 688
 689 /*************************************************************************
 690  *                              ExtractAssociatedIcon   [SHELL.36]
 691  *
 692  * Return icon for given file (either from file itself or from associated
 693  * executable) and patch parameters if needed.
 694  */
 695 HICON16 ExtractAssociatedIcon(HINSTANCE16 hInst,LPSTR lpIconPath,LPWORD lpiIcon)
 696 {
 697     HICON16 hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
 698
 699     if( hIcon < 2 )
 700       {
 701
 702         if( hIcon == 1 ) /* no icons found in given file */
 703           {
 704             char  tempPath[0x80];
 705             UINT  uRet = FindExecutable(lpIconPath,NULL,tempPath);
 706
 707             if( uRet > 32 && tempPath[0] )
 708               {
 709                 strcpy(lpIconPath,tempPath);
 710                 hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
 711
 712                 if( hIcon > 2 ) return hIcon;
 713               }
 714             else hIcon = 0;
 715           }
 716
 717         if( hIcon == 1 )
 718           *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 719         else
 720           *lpiIcon = 6;   /* generic icon - found nothing */
 721
 722         GetModuleFileName16(hInst, lpIconPath, 0x80);
 723         hIcon = LoadIcon16( hInst, MAKEINTRESOURCE(*lpiIcon));
 724       }
 725
 726     return hIcon;
 727 }
 728
 729 /*************************************************************************
 730  *                              FindEnvironmentString   [SHELL.38]
 731  *
 732  * Returns a pointer into the DOS environment... Ugh.
 733  */
 734 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 735 {
 736   UINT  l = strlen(entry);
 737   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 738      {
 739        if( lstrncmpi32A(lpEnv, entry, l) ) continue;
 740
 741        if( !*(lpEnv+l) )
 742          return (lpEnv + l);            /* empty entry */
 743        else if ( *(lpEnv+l)== '=' )
 744          return (lpEnv + l + 1);
 745      }
 746   return NULL;
 747 }
 748
 749 SEGPTR FindEnvironmentString(LPSTR str)
 750 {
 751  SEGPTR  spEnv = GetDOSEnvironment();
 752  LPSTR  lpEnv = (LPSTR)PTR_SEG_TO_LIN(spEnv);
 753
 754  LPSTR  lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 755
 756  if( lpString )         /*  offset should be small enough */
 757      return spEnv + (lpString - lpEnv);
 758
 759  return (SEGPTR)NULL;
 760 }
 761
 762 /*************************************************************************
 763  *                              DoEnvironmentSubst      [SHELL.37]
 764  *
 765  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 766  * from "DOS" environment.
 767  */
 768 DWORD DoEnvironmentSubst(LPSTR str,WORD length)
 769 {
 770   LPSTR   lpEnv = (LPSTR)PTR_SEG_TO_LIN(GetDOSEnvironment());
 771   LPSTR   lpBuffer = (LPSTR)xmalloc(length);
 772   LPSTR   lpstr = str;
 773   LPSTR   lpbstr = lpBuffer;
 774
 775   CharToOem32A(str,str);
 776
 777   dprintf_reg(stddeb,"DoEnvSubst: accept %s", str);
 778
 779   while( *lpstr && lpbstr - lpBuffer < length )
 780    {
 781      LPSTR lpend = lpstr;
 782
 783      if( *lpstr == '%' )
 784        {
 785           do { lpend++; } while( *lpend && *lpend != '%' );
 786           if( *lpend == '%' && lpend - lpstr > 1 )      /* found key */
 787             {
 788                LPSTR lpKey;
 789               *lpend = '\0';
 790                lpKey = SHELL_FindString(lpEnv, lpstr+1);
 791                if( lpKey )                              /* found key value */
 792                  {
 793                    int l = strlen(lpKey);
 794
 795                    if( l > length - (lpbstr - lpBuffer) - 1 )
 796                      {
 797                        fprintf(stdnimp,"File %s, line %i: Env subst aborted - string too short\n",
 798                                         __FILE__, __LINE__);
 799                       *lpend = '%';
 800                        break;
 801                      }
 802                    strcpy(lpbstr, lpKey);
 803                    lpbstr += l;
 804                  }
 805                else break;
 806               *lpend = '%';
 807                lpstr = lpend + 1;
 808             }
 809           else break;                                   /* back off and whine */
 810
 811           continue;
 812        }
 813
 814      *lpbstr++ = *lpstr++;
 815    }
 816
 817  *lpbstr = '\0';
 818   if( lpstr - str == strlen(str) )
 819     {
 820       strncpy(str, lpBuffer, length);
 821       length = 1;
 822     }
 823   else
 824       length = 0;
 825
 826   dprintf_reg(stddeb," return %s\n", str);
 827
 828   OemToChar32A(str,str);
 829   free(lpBuffer);
 830
 831   /*  Return str length in the LOWORD
 832    *  and 1 in HIWORD if subst was successful.
 833    */
 834  return (DWORD)MAKELONG(strlen(str), length);
 835 }
 836
 837 /*************************************************************************
 838  *                              RegisterShellHook       [SHELL.102]
 839  */
 840 int RegisterShellHook(void *ptr)
 841 {
 842         fprintf(stdnimp, "RegisterShellHook( %p ) : Empty Stub !!!\n", ptr);
 843         return 0;
 844 }
 845
 846
 847 /*************************************************************************
 848  *                              ShellHookProc           [SHELL.103]
 849  */
 850 int ShellHookProc(void)
 851 {
 852         fprintf(stdnimp, "ShellHookProc : Empty Stub !!!\n");
 853         return 0;
 854 }
 855
 856 /*************************************************************************
 857  *                              SHGetFileInfoA          [SHELL32.54]
 858  */
 859 DWORD
 860 SHGetFileInfo32A(LPCSTR path,DWORD dwFileAttributes,SHFILEINFO32A *psfi,
 861         UINT32 sizeofpsfi,UINT32 flags
 862 ) {
 863         fprintf(stdnimp,"SHGetFileInfo32A(%s,0x%08lx,%p,%d,0x%08x)\n",
 864                 path,dwFileAttributes,psfi,sizeofpsfi,flags
 865         );
 866         return TRUE;
 867 }
 868
 869 /*************************************************************************
 870  *                              CommandLineToArgvW      [SHELL32.2]
 871  */
 872 LPWSTR*
 873 CommandLineToArgvW(LPWSTR cmdline,LPDWORD numargs) {
 874         LPWSTR  *argv,s,t;
 875         int     i;
 876
 877         /* to get writeable copy */
 878         cmdline = HEAP_strdupW( GetProcessHeap(), 0, cmdline);
 879         s=cmdline;i=0;
 880         while (*s) {
 881                 /* space */
 882                 if (*s==0x0020) {
 883                         i++;
 884                         s++;
 885                         while (*s && *s==0x0020)
 886                                 s++;
 887                         continue;
 888                 }
 889                 s++;
 890         }
 891         argv=(LPWSTR*)HeapAlloc( GetProcessHeap(), 0, sizeof(LPWSTR)*(i+1) );
 892         s=t=cmdline;
 893         i=0;
 894         while (*s) {
 895                 if (*s==0x0020) {
 896                         *s=0;
 897                         argv[i++]=HEAP_strdupW( GetProcessHeap(), 0, t );
 898                         *s=0x0020;
 899                         while (*s && *s==0x0020)
 900                                 s++;
 901                         if (*s)
 902                                 t=s+1;
 903                         else
 904                                 t=s;
 905                         continue;
 906                 }
 907                 s++;
 908         }
 909         if (*t)
 910                 argv[i++]=(LPWSTR)HEAP_strdupW( GetProcessHeap(), 0, t );
 911         HeapFree( GetProcessHeap(), 0, cmdline );
 912         argv[i]=NULL;
 913         *numargs=i;
 914         return argv;
 915 }