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 "module.h"
  13 #include "neexe.h"
  14 #include "resource.h"
  15 #include "dlgs.h"
  16 #include "win.h"
  17 #include "cursoricon.h"
  18 #include "stddebug.h"
  19 #include "debug.h"
  20 #include "xmalloc.h"
  21 #include "winreg.h"
  22
  23 /* .ICO file ICONDIR definitions */
  24
  25 #pragma pack(1)
  26
  27 typedef struct
  28 {
  29     BYTE        bWidth;          /* Width, in pixels, of the image      */
  30     BYTE        bHeight;         /* Height, in pixels, of the image     */
  31     BYTE        bColorCount;     /* Number of colors in image (0 if >=8bpp) */
  32     BYTE        bReserved;       /* Reserved ( must be 0)               */
  33     WORD        wPlanes;         /* Color Planes                        */
  34     WORD        wBitCount;       /* Bits per pixel                      */
  35     DWORD       dwBytesInRes;    /* How many bytes in this resource?    */
  36     DWORD       dwImageOffset;   /* Where in the file is this image?    */
  37 } icoICONDIRENTRY, *LPicoICONDIRENTRY;
  38
  39 typedef struct
  40 {
  41     WORD            idReserved;   /* Reserved (must be 0)               */
  42     WORD            idType;       /* Resource Type (1 for icons)        */
  43     WORD            idCount;      /* How many images?                   */
  44     icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
  45 } icoICONDIR, *LPicoICONDIR;
  46
  47 #pragma pack(4)
  48
  49 extern HGLOBAL16 CURSORICON_LoadHandler( HGLOBAL16, HINSTANCE16, BOOL);
  50 extern WORD     GetIconID( HGLOBAL16 hResource, DWORD resType );
  51
  52 /*************************************************************************
  53  *                              DragAcceptFiles         [SHELL.9]
  54  */
  55 void DragAcceptFiles(HWND hWnd, BOOL b)
  56 {
  57     WND* wnd = WIN_FindWndPtr(hWnd);
  58
  59     if( wnd )
  60         wnd->dwExStyle = b? wnd->dwExStyle | WS_EX_ACCEPTFILES
  61                           : wnd->dwExStyle & ~WS_EX_ACCEPTFILES;
  62 }
  63
  64
  65 /*************************************************************************
  66  *                              DragQueryFile           [SHELL.11]
  67  */
  68 UINT DragQueryFile(HDROP16 hDrop, WORD wFile, LPSTR lpszFile, WORD wLength)
  69 {
  70     /* hDrop is a global memory block allocated with GMEM_SHARE
  71      * with DROPFILESTRUCT as a header and filenames following
  72      * it, zero length filename is in the end */
  73
  74     LPDROPFILESTRUCT lpDropFileStruct;
  75     LPSTR lpCurrent;
  76     WORD  i;
  77
  78     dprintf_reg(stddeb,"DragQueryFile(%04x, %i, %p, %u)\n",
  79                 hDrop,wFile,lpszFile,wLength);
  80
  81     lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
  82     if(!lpDropFileStruct) return 0;
  83
  84     lpCurrent = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
  85
  86     i = 0;
  87     while (i++ < wFile)
  88     {
  89         while (*lpCurrent++);  /* skip filename */
  90         if (!*lpCurrent)
  91             return (wFile == 0xFFFF) ? i : 0;
  92     }
  93
  94     i = strlen(lpCurrent);
  95     if (!lpszFile) return i+1;   /* needed buffer size */
  96
  97     i = (wLength > i) ? i : wLength-1;
  98     strncpy(lpszFile, lpCurrent, i);
  99     lpszFile[i] = '\0';
 100
 101     GlobalUnlock16(hDrop);
 102     return i;
 103 }
 104
 105
 106 /*************************************************************************
 107  *                              DragFinish              [SHELL.12]
 108  */
 109 void DragFinish(HDROP16 h)
 110 {
 111     GlobalFree16((HGLOBAL16)h);
 112 }
 113
 114
 115 /*************************************************************************
 116  *                              DragQueryPoint          [SHELL.13]
 117  */
 118 BOOL DragQueryPoint(HDROP16 hDrop, POINT16 *p)
 119 {
 120     LPDROPFILESTRUCT lpDropFileStruct;
 121     BOOL16           bRet;
 122
 123     lpDropFileStruct = (LPDROPFILESTRUCT) GlobalLock16(hDrop);
 124
 125     memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 126     bRet = lpDropFileStruct->fInNonClientArea;
 127
 128     GlobalUnlock16(hDrop);
 129     return bRet;
 130 }
 131
 132 /*************************************************************************
 133  *                              SHELL_FindExecutable
 134  * Utility for code sharing between FindExecutable and ShellExecute
 135  */
 136 static HINSTANCE16 SHELL_FindExecutable( LPCSTR lpFile,
 137                                          LPCSTR lpDirectory,
 138                                          LPCSTR lpOperation,
 139                                          LPSTR lpResult)
 140 {
 141     char *extension = NULL; /* pointer to file extension */
 142     char tmpext[5];         /* local copy to mung as we please */
 143     char filetype[256];     /* registry name for this filetype */
 144     LONG filetypelen=256;   /* length of above */
 145     char command[256];      /* command from registry */
 146     LONG commandlen=256;    /* This is the most DOS can handle :) */
 147     char buffer[256];       /* Used to GetProfileString */
 148     HINSTANCE16 retval=31;  /* default - 'No association was found' */
 149     char *tok;              /* token pointer */
 150     int i;                  /* random counter */
 151     char xlpFile[256];      /* result of SearchPath */
 152
 153     dprintf_exec(stddeb, "SHELL_FindExecutable: File %s, Dir %s\n",
 154                  (lpFile != NULL?lpFile:"-"),
 155                  (lpDirectory != NULL?lpDirectory:"-"));
 156
 157     lpResult[0]='\0'; /* Start off with an empty return string */
 158
 159     /* trap NULL parameters on entry */
 160     if (( lpFile == NULL ) || ( lpResult == NULL ) || ( lpOperation == NULL ))
 161     {
 162         /* FIXME - should throw a warning, perhaps! */
 163         return 2; /* File not found. Close enough, I guess. */
 164     }
 165     if (SearchPath32A(lpDirectory,lpFile,NULL,sizeof(xlpFile),xlpFile,NULL))
 166         lpFile = xlpFile;
 167     else {
 168         if (SearchPath32A(lpDirectory,lpFile,".exe",sizeof(xlpFile),xlpFile,NULL))
 169             lpFile = xlpFile;
 170     }
 171
 172     /* First thing we need is the file's extension */
 173     extension = strrchr( xlpFile, '.' ); /* Assume last "." is the one; */
 174                                         /* File->Run in progman uses */
 175                                         /* .\FILE.EXE :( */
 176     if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
 177     {
 178         return 31; /* no association */
 179     }
 180
 181     /* Make local copy & lowercase it for reg & 'programs=' lookup */
 182     strncpy( tmpext, extension, 5 );
 183     if (strlen(extension)<=4)
 184         tmpext[strlen(extension)]='\0';
 185     else
 186         tmpext[4]='\0';
 187     for (i=0;i<strlen(tmpext);i++) tmpext[i]=tolower(tmpext[i]);
 188     dprintf_exec(stddeb, "SHELL_FindExecutable: %s file\n", tmpext);
 189
 190     /* Three places to check: */
 191     /* 1. win.ini, [windows], programs (NB no leading '.') */
 192     /* 2. Registry, HKEY_CLASS_ROOT\<filetype>\shell\open\command */
 193     /* 3. win.ini, [extensions], extension (NB no leading '.' */
 194     /* All I know of the order is that registry is checked before */
 195     /* extensions; however, it'd make sense to check the programs */
 196     /* section first, so that's what happens here. */
 197
 198     /* See if it's a program - if GetProfileString fails, we skip this
 199      * section. Actually, if GetProfileString fails, we've probably
 200      * got a lot more to worry about than running a program... */
 201     if ( GetProfileString32A("windows", "programs", "exe pif bat com",
 202                                                   buffer, sizeof(buffer)) > 0 )
 203           {
 204                 for (i=0;i<strlen(buffer); i++) buffer[i]=tolower(buffer[i]);
 205
 206                 tok = strtok(buffer, " \t"); /* ? */
 207                 while( tok!= NULL)
 208                   {
 209                         if (strcmp(tok, &tmpext[1])==0) /* have to skip the leading "." */
 210                           {
 211                                 strcpy(lpResult, xlpFile);
 212                                 /* Need to perhaps check that the file has a path
 213                                  * attached */
 214                                 dprintf_exec(stddeb, "SHELL_FindExecutable: found %s\n",
 215                                                          lpResult);
 216             return 33;
 217
 218                 /* Greater than 32 to indicate success FIXME According to the
 219                  * docs, I should be returning a handle for the
 220                  * executable. Does this mean I'm supposed to open the
 221                  * executable file or something? More RTFM, I guess... */
 222                           }
 223                         tok=strtok(NULL, " \t");
 224                   }
 225           }
 226
 227     /* Check registry */
 228     if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, tmpext, filetype,
 229                          &filetypelen ) == SHELL_ERROR_SUCCESS )
 230     {
 231         filetype[filetypelen]='\0';
 232         dprintf_exec(stddeb, "SHELL_FindExecutable: File type: %s\n",
 233                      filetype);
 234
 235         /* Looking for ...buffer\shell\lpOperation\command */
 236         strcat( filetype, "\\shell\\" );
 237         strcat( filetype, lpOperation );
 238         strcat( filetype, "\\command" );
 239
 240         if (RegQueryValue16( (HKEY)HKEY_CLASSES_ROOT, filetype, command,
 241                              &commandlen ) == SHELL_ERROR_SUCCESS )
 242         {
 243             /* Is there a replace() function anywhere? */
 244             command[commandlen]='\0';
 245             strcpy( lpResult, command );
 246             tok=strstr( lpResult, "%1" );
 247             if (tok != NULL)
 248             {
 249                 tok[0]='\0'; /* truncate string at the percent */
 250                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 251                 tok=strstr( command, "%1" );
 252                 if ((tok!=NULL) && (strlen(tok)>2))
 253                 {
 254                     strcat( lpResult, &tok[2] );
 255                 }
 256             }
 257             retval=33; /* FIXME see above */
 258         }
 259     }
 260     else /* Check win.ini */
 261     {
 262         /* Toss the leading dot */
 263         extension++;
 264         if ( GetProfileString32A( "extensions", extension, "", command,
 265                                   sizeof(command)) > 0)
 266           {
 267                 if (strlen(command)!=0)
 268                   {
 269                         strcpy( lpResult, command );
 270                         tok=strstr( lpResult, "^" ); /* should be ^.extension? */
 271                         if (tok != NULL)
 272                           {
 273                                 tok[0]='\0';
 274                                 strcat( lpResult, xlpFile ); /* what if no dir in xlpFile? */
 275                                 tok=strstr( command, "^" ); /* see above */
 276                                 if ((tok != NULL) && (strlen(tok)>5))
 277                                   {
 278                                         strcat( lpResult, &tok[5]);
 279                                   }
 280                           }
 281                         retval=33; /* FIXME - see above */
 282                   }
 283           }
 284         }
 285
 286     dprintf_exec(stddeb, "SHELL_FindExecutable: returning %s\n", lpResult);
 287     return retval;
 288 }
 289
 290 /*************************************************************************
 291  *                              ShellExecute            [SHELL.20]
 292  */
 293 HINSTANCE16 ShellExecute(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
 294                          LPSTR lpParameters, LPCSTR lpDirectory,
 295                          INT iShowCmd)
 296 {
 297     HINSTANCE16 retval=31;
 298     char cmd[256];
 299
 300     dprintf_exec(stddeb, "ShellExecute(%04x,'%s','%s','%s','%s',%x)\n",
 301                 hWnd, lpOperation ? lpOperation:"<null>", lpFile ? lpFile:"<null>",
 302                 lpParameters ? lpParameters : "<null>",
 303                 lpDirectory ? lpDirectory : "<null>", iShowCmd);
 304
 305     if (lpFile==NULL) return 0; /* should not happen */
 306     if (lpOperation==NULL) /* default is open */
 307       lpOperation="open";
 308
 309     retval = SHELL_FindExecutable( lpFile, lpDirectory, lpOperation, cmd );
 310
 311     if ( retval <= 32 )
 312     {
 313         return retval;
 314     }
 315
 316     if (lpParameters)
 317     {
 318         strcat(cmd," ");
 319         strcat(cmd,lpParameters);
 320     }
 321
 322     dprintf_exec(stddeb,"ShellExecute:starting %s\n",cmd);
 323     return WinExec(cmd,iShowCmd);
 324 }
 325
 326 /*************************************************************************
 327  *                              FindExecutable          [SHELL.21]
 328  */
 329 HINSTANCE16 FindExecutable(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
 330 {
 331     HINSTANCE16 retval=31;    /* default - 'No association was found' */
 332
 333     dprintf_exec(stddeb, "FindExecutable: File %s, Dir %s\n",
 334                  (lpFile != NULL?lpFile:"-"),
 335                  (lpDirectory != NULL?lpDirectory:"-"));
 336
 337     lpResult[0]='\0'; /* Start off with an empty return string */
 338
 339     /* trap NULL parameters on entry */
 340     if (( lpFile == NULL ) || ( lpResult == NULL ))
 341     {
 342         /* FIXME - should throw a warning, perhaps! */
 343         return 2; /* File not found. Close enough, I guess. */
 344     }
 345
 346     retval = SHELL_FindExecutable( lpFile, lpDirectory, "open",
 347                                   lpResult );
 348
 349     dprintf_exec(stddeb, "FindExecutable: returning %s\n", lpResult);
 350     return retval;
 351 }
 352
 353 static char AppName[128], AppMisc[1536];
 354
 355 /*************************************************************************
 356  *                              AboutDlgProc            [SHELL.33]
 357  */
 358 LRESULT AboutDlgProc(HWND hWnd, UINT msg, WPARAM16 wParam, LPARAM lParam)
 359 {
 360   char Template[512], AppTitle[512];
 361
 362   switch(msg) {
 363    case WM_INITDIALOG:
 364     SendDlgItemMessage32A(hWnd,stc1,STM_SETICON,lParam,0);
 365     GetWindowText32A(hWnd, Template, sizeof(Template));
 366     sprintf(AppTitle, Template, AppName);
 367     SetWindowText32A(hWnd, AppTitle);
 368     SetWindowText32A(GetDlgItem(hWnd,100), AppMisc);
 369     return 1;
 370
 371    case WM_COMMAND:
 372     switch (wParam) {
 373      case IDOK:
 374       EndDialog(hWnd, TRUE);
 375       return TRUE;
 376     }
 377     break;
 378   }
 379   return FALSE;
 380 }
 381
 382 /*************************************************************************
 383  *                              ShellAbout              [SHELL.22]
 384  */
 385 INT ShellAbout(HWND hWnd, LPCSTR szApp, LPCSTR szOtherStuff, HICON16 hIcon)
 386 {
 387     HGLOBAL16 handle;
 388     BOOL bRet;
 389
 390     if (szApp) strncpy(AppName, szApp, sizeof(AppName));
 391     else *AppName = 0;
 392     AppName[sizeof(AppName)-1]=0;
 393
 394     if (szOtherStuff) strncpy(AppMisc, szOtherStuff, sizeof(AppMisc));
 395     else *AppMisc = 0;
 396     AppMisc[sizeof(AppMisc)-1]=0;
 397
 398     if (!hIcon) hIcon = LoadIcon16(0,MAKEINTRESOURCE(OIC_WINEICON));
 399     handle = SYSRES_LoadResource( SYSRES_DIALOG_SHELL_ABOUT_MSGBOX );
 400     if (!handle) return FALSE;
 401     bRet = DialogBoxIndirectParam16( WIN_GetWindowInstance( hWnd ),
 402                                      handle, hWnd,
 403                                      (DLGPROC16)MODULE_GetWndProcEntry16("AboutDlgProc"),
 404                                      (LPARAM)hIcon );
 405     SYSRES_FreeResource( handle );
 406     return bRet;
 407 }
 408
 409 /*************************************************************************
 410  *                              SHELL_GetResourceTable
 411  *
 412  * FIXME: Implement GetPEResourceTable in w32sys.c and call it here.
 413  */
 414 static BYTE* SHELL_GetResourceTable(HFILE hFile)
 415 {
 416   struct mz_header_s mz_header;
 417   struct ne_header_s ne_header;
 418   int           size;
 419
 420   _llseek( hFile, 0, SEEK_SET );
 421   if ((_lread32(hFile,&mz_header,sizeof(mz_header)) != sizeof(mz_header)) ||
 422       (mz_header.mz_magic != MZ_SIGNATURE)) return (BYTE*)-1;
 423
 424   _llseek( hFile, mz_header.ne_offset, SEEK_SET );
 425   if (_lread32( hFile, &ne_header, sizeof(ne_header) ) != sizeof(ne_header))
 426       return NULL;
 427
 428   if (ne_header.ne_magic == PE_SIGNATURE)
 429      { fprintf(stdnimp,"Win32s FIXME: file %s line %i\n", __FILE__, __LINE__ );
 430        return NULL; }
 431
 432   if (ne_header.ne_magic != NE_SIGNATURE) return NULL;
 433
 434   size = ne_header.rname_tab_offset - ne_header.resource_tab_offset;
 435
 436   if( size > sizeof(NE_TYPEINFO) )
 437     {
 438       BYTE* pTypeInfo = (BYTE*)xmalloc(size);
 439
 440       if( !pTypeInfo ) return NULL;
 441
 442       _llseek(hFile, mz_header.ne_offset+ne_header.resource_tab_offset, SEEK_SET);
 443       if( _lread32( hFile, (char*)pTypeInfo, size) != size )
 444         { free(pTypeInfo); return NULL; }
 445       return pTypeInfo;
 446     }
 447   /* no resources */
 448
 449   return NULL;
 450 }
 451
 452 /*************************************************************************
 453  *                      SHELL_LoadResource
 454  */
 455 static HGLOBAL16 SHELL_LoadResource(HINSTANCE16 hInst, HFILE hFile, NE_NAMEINFO* pNInfo, WORD sizeShift)
 456 {
 457  BYTE*  ptr;
 458  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, (DWORD)pNInfo->length << sizeShift);
 459
 460  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 461    {
 462     _llseek( hFile, (DWORD)pNInfo->offset << sizeShift, SEEK_SET);
 463      _lread32( hFile, (char*)ptr, pNInfo->length << sizeShift);
 464      return handle;
 465    }
 466  return 0;
 467 }
 468
 469 /*************************************************************************
 470  *                      ICO_LoadIcon
 471  */
 472 static HGLOBAL16 ICO_LoadIcon(HINSTANCE16 hInst, HFILE hFile, LPicoICONDIRENTRY lpiIDE)
 473 {
 474  BYTE*  ptr;
 475  HGLOBAL16 handle = DirectResAlloc( hInst, 0x10, lpiIDE->dwBytesInRes);
 476
 477  if( (ptr = (BYTE*)GlobalLock16( handle )) )
 478    {
 479     _llseek( hFile, lpiIDE->dwImageOffset, SEEK_SET);
 480      _lread32( hFile, (char*)ptr, lpiIDE->dwBytesInRes);
 481      return handle;
 482    }
 483  return 0;
 484 }
 485
 486 /*************************************************************************
 487  *                      ICO_GetIconDirectory
 488  *
 489  *  Read .ico file and build phony ICONDIR struct for GetIconID
 490  */
 491 static HGLOBAL16 ICO_GetIconDirectory(HINSTANCE16 hInst, HFILE hFile, LPicoICONDIR* lplpiID )
 492 {
 493   WORD          id[3];  /* idReserved, idType, idCount */
 494   LPicoICONDIR  lpiID;
 495   int           i;
 496
 497   _llseek( hFile, 0, SEEK_SET );
 498   if( _lread32(hFile,(char*)id,sizeof(id)) != sizeof(id) ) return 0;
 499
 500   /* check .ICO header
 501    *
 502    * - see http://www.microsoft.com/win32dev/ui/icons.htm
 503    */
 504
 505   if( id[0] || id[1] != 1 || !id[2] ) return 0;
 506
 507   i = id[2]*sizeof(icoICONDIRENTRY) + sizeof(id);
 508
 509   lpiID = (LPicoICONDIR)xmalloc(i);
 510
 511   if( _lread32(hFile,(char*)lpiID->idEntries,i) == i )
 512   {
 513      HGLOBAL16 handle = DirectResAlloc( hInst, 0x10,
 514                                      id[2]*sizeof(ICONDIRENTRY) + sizeof(id) );
 515      if( handle )
 516      {
 517        CURSORICONDIR*     lpID = (CURSORICONDIR*)GlobalLock16( handle );
 518        lpID->idReserved = lpiID->idReserved = id[0];
 519        lpID->idType = lpiID->idType = id[1];
 520        lpID->idCount = lpiID->idCount = id[2];
 521        for( i=0; i < lpiID->idCount; i++ )
 522          {
 523             memcpy((void*)(lpID->idEntries + i),
 524                    (void*)(lpiID->idEntries + i), sizeof(ICONDIRENTRY) - 2);
 525             lpID->idEntries[i].icon.wResId = i;
 526          }
 527       *lplpiID = lpiID;
 528        return handle;
 529      }
 530   }
 531   /* fail */
 532
 533   free(lpiID);
 534   return 0;
 535 }
 536
 537 /*************************************************************************
 538  *                      InternalExtractIcon             [SHELL.39]
 539  *
 540  * This abortion is called directly by Progman
 541  */
 542 HGLOBAL16 InternalExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, UINT nIconIndex, WORD n )
 543 {
 544   HGLOBAL16     hRet = 0;
 545   HGLOBAL16*    RetPtr = NULL;
 546   BYTE*         pData;
 547   OFSTRUCT      ofs;
 548   HFILE         hFile = OpenFile( lpszExeFileName, &ofs, OF_READ );
 549
 550   dprintf_reg(stddeb, "InternalExtractIcon(%04x, file '%s', start from %d, extract %d\n",
 551                        hInstance, lpszExeFileName, nIconIndex, n);
 552
 553   if( hFile == HFILE_ERROR || !n ) return 0;
 554
 555   hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
 556   RetPtr = (HICON16*)GlobalLock16(hRet);
 557
 558  *RetPtr = (n == 0xFFFF)? 0: 1;                         /* error return values */
 559
 560   pData = SHELL_GetResourceTable(hFile);
 561   if( pData )
 562   {
 563     HICON16      hIcon = 0;
 564     BOOL         icoFile = FALSE;
 565     UINT         iconDirCount = 0;
 566     UINT         iconCount = 0;
 567     NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(pData + 2);
 568     NE_NAMEINFO* pIconStorage = NULL;
 569     NE_NAMEINFO* pIconDir = NULL;
 570     LPicoICONDIR lpiID = NULL;
 571
 572     if( pData == (BYTE*)-1 )
 573       {
 574         /* check for .ICO file */
 575
 576         hIcon = ICO_GetIconDirectory(hInstance, hFile, &lpiID);
 577         if( hIcon )
 578           { icoFile = TRUE; iconDirCount = 1; iconCount = lpiID->idCount; }
 579       }
 580     else while( pTInfo->type_id && !(pIconStorage && pIconDir) )
 581       {
 582         /* find icon directory and icon repository */
 583
 584         if( pTInfo->type_id == NE_RSCTYPE_GROUP_ICON )
 585           {
 586              iconDirCount = pTInfo->count;
 587              pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
 588              dprintf_reg(stddeb,"\tfound directory - %i icon families\n", iconDirCount);
 589           }
 590         if( pTInfo->type_id == NE_RSCTYPE_ICON )
 591           {
 592              iconCount = pTInfo->count;
 593              pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
 594              dprintf_reg(stddeb,"\ttotal icons - %i\n", iconCount);
 595           }
 596         pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
 597       }
 598
 599     /* load resources and create icons */
 600
 601     if( (pIconStorage && pIconDir) || icoFile )
 602       if( nIconIndex == (UINT)-1 ) RetPtr[0] = iconDirCount;
 603       else if( nIconIndex < iconDirCount )
 604         {
 605            UINT   i, icon;
 606
 607            if( n > iconDirCount - nIconIndex ) n = iconDirCount - nIconIndex;
 608
 609            for( i = nIconIndex; i < nIconIndex + n; i++ )
 610              {
 611                /* .ICO files have only one icon directory */
 612
 613                if( !icoFile )
 614                  hIcon = SHELL_LoadResource( hInstance, hFile, pIconDir + i,
 615                                                             *(WORD*)pData );
 616                RetPtr[i-nIconIndex] = GetIconID( hIcon, 3 );
 617                GlobalFree16(hIcon);
 618              }
 619
 620            for( icon = nIconIndex; icon < nIconIndex + n; icon++ )
 621              {
 622                hIcon = 0;
 623                if( icoFile )
 624                  hIcon = ICO_LoadIcon( hInstance, hFile, lpiID->idEntries + RetPtr[icon-nIconIndex]);
 625                else
 626                  for( i = 0; i < iconCount; i++ )
 627                     if( pIconStorage[i].id == (RetPtr[icon-nIconIndex] | 0x8000) )
 628                       hIcon = SHELL_LoadResource( hInstance, hFile, pIconStorage + i,
 629                                                                      *(WORD*)pData );
 630                RetPtr[icon-nIconIndex] = (hIcon)?CURSORICON_LoadHandler( hIcon, hInstance, FALSE ):0;
 631              }
 632         }
 633     if( icoFile ) free(lpiID);
 634     else free(pData);
 635  }
 636  _lclose( hFile );
 637
 638   /* return array with icon handles */
 639
 640   return hRet;
 641 }
 642
 643 /*************************************************************************
 644  *                              ExtractIcon             [SHELL.34]
 645  */
 646 HICON16 ExtractIcon(HINSTANCE16 hInstance, LPCSTR lpszExeFileName, WORD nIconIndex)
 647 {
 648   HGLOBAL16 handle = InternalExtractIcon(hInstance,lpszExeFileName,nIconIndex, 1);
 649
 650   if( handle )
 651     {
 652       HICON16* ptr = (HICON16*)GlobalLock16(handle);
 653       HICON16  hIcon = *ptr;
 654
 655       GlobalFree16(handle);
 656       return hIcon;
 657     }
 658   return 0;
 659 }
 660
 661 /*************************************************************************
 662  *                              ExtractAssociatedIcon   [SHELL.36]
 663  *
 664  * Return icon for given file (either from file itself or from associated
 665  * executable) and patch parameters if needed.
 666  */
 667 HICON16 ExtractAssociatedIcon(HINSTANCE16 hInst,LPSTR lpIconPath,LPWORD lpiIcon)
 668 {
 669     HICON16 hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
 670
 671     if( hIcon < 2 )
 672       {
 673
 674         if( hIcon == 1 ) /* no icons found in given file */
 675           {
 676             char  tempPath[0x80];
 677             UINT  uRet = FindExecutable(lpIconPath,NULL,tempPath);
 678
 679             if( uRet > 32 && tempPath[0] )
 680               {
 681                 strcpy(lpIconPath,tempPath);
 682                 hIcon = ExtractIcon(hInst, lpIconPath, *lpiIcon);
 683
 684                 if( hIcon > 2 ) return hIcon;
 685               }
 686             else hIcon = 0;
 687           }
 688
 689         if( hIcon == 1 )
 690           *lpiIcon = 2;   /* MSDOS icon - we found .exe but no icons in it */
 691         else
 692           *lpiIcon = 6;   /* generic icon - found nothing */
 693
 694         GetModuleFileName(hInst, lpIconPath, 0x80);
 695         hIcon = LoadIcon16( hInst, MAKEINTRESOURCE(*lpiIcon));
 696       }
 697
 698     return hIcon;
 699 }
 700
 701 /*************************************************************************
 702  *                              FindEnvironmentString   [SHELL.38]
 703  *
 704  * Returns a pointer into the DOS environment... Ugh.
 705  */
 706 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 707 {
 708   UINT  l = strlen(entry);
 709   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 710      {
 711        if( lstrncmpi32A(lpEnv, entry, l) ) continue;
 712
 713        if( !*(lpEnv+l) )
 714          return (lpEnv + l);            /* empty entry */
 715        else if ( *(lpEnv+l)== '=' )
 716          return (lpEnv + l + 1);
 717      }
 718   return NULL;
 719 }
 720
 721 SEGPTR FindEnvironmentString(LPSTR str)
 722 {
 723  SEGPTR  spEnv = GetDOSEnvironment();
 724  LPSTR  lpEnv = (LPSTR)PTR_SEG_TO_LIN(spEnv);
 725
 726  LPSTR  lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 727
 728  if( lpString )         /*  offset should be small enough */
 729      return spEnv + (lpString - lpEnv);
 730
 731  return (SEGPTR)NULL;
 732 }
 733
 734 /*************************************************************************
 735  *                              DoEnvironmentSubst      [SHELL.37]
 736  *
 737  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 738  * from "DOS" environment.
 739  */
 740 DWORD DoEnvironmentSubst(LPSTR str,WORD length)
 741 {
 742   LPSTR   lpEnv = (LPSTR)PTR_SEG_TO_LIN(GetDOSEnvironment());
 743   LPSTR   lpBuffer = (LPSTR)xmalloc(length);
 744   LPSTR   lpstr = str;
 745   LPSTR   lpbstr = lpBuffer;
 746
 747   AnsiToOem(str,str);
 748
 749   dprintf_reg(stddeb,"DoEnvSubst: accept %s", str);
 750
 751   while( *lpstr && lpbstr - lpBuffer < length )
 752    {
 753      LPSTR lpend = lpstr;
 754
 755      if( *lpstr == '%' )
 756        {
 757           do { lpend++; } while( *lpend && *lpend != '%' );
 758           if( *lpend == '%' && lpend - lpstr > 1 )      /* found key */
 759             {
 760                LPSTR lpKey;
 761               *lpend = '\0';
 762                lpKey = SHELL_FindString(lpEnv, lpstr+1);
 763                if( lpKey )                              /* found key value */
 764                  {
 765                    int l = strlen(lpKey);
 766
 767                    if( l > length - (lpbstr - lpBuffer) - 1 )
 768                      {
 769                        fprintf(stdnimp,"File %s, line %i: Env subst aborted - string too short\n",
 770                                         __FILE__, __LINE__);
 771                       *lpend = '%';
 772                        break;
 773                      }
 774                    strcpy(lpbstr, lpKey);
 775                    lpbstr += l;
 776                  }
 777                else break;
 778               *lpend = '%';
 779                lpstr = lpend + 1;
 780             }
 781           else break;                                   /* back off and whine */
 782
 783           continue;
 784        }
 785
 786      *lpbstr++ = *lpstr++;
 787    }
 788
 789  *lpbstr = '\0';
 790   if( lpstr - str == strlen(str) )
 791     {
 792       strncpy(str, lpBuffer, length);
 793       length = 1;
 794     }
 795   else
 796       length = 0;
 797
 798   dprintf_reg(stddeb," return %s\n", str);
 799
 800   OemToAnsi(str,str);
 801   free(lpBuffer);
 802
 803   /*  Return str length in the LOWORD
 804    *  and 1 in HIWORD if subst was successful.
 805    */
 806  return (DWORD)MAKELONG(strlen(str), length);
 807 }
 808
 809 /*************************************************************************
 810  *                              RegisterShellHook       [SHELL.102]
 811  */
 812 int RegisterShellHook(void *ptr)
 813 {
 814         fprintf(stdnimp, "RegisterShellHook( %p ) : Empty Stub !!!\n", ptr);
 815         return 0;
 816 }
 817
 818
 819 /*************************************************************************
 820  *                              ShellHookProc           [SHELL.103]
 821  */
 822 int ShellHookProc(void)
 823 {
 824         fprintf(stdnimp, "ShellHookProc : Empty Stub !!!\n");
 825         return 0;
 826 }
 827
 828 /*************************************************************************
 829  *                              SHGetFileInfoA          [SHELL32.54]
 830  */
 831 DWORD
 832 SHGetFileInfo32A(LPCSTR path,DWORD dwFileAttributes,SHFILEINFO32A *psfi,
 833         UINT32 sizeofpsfi,UINT32 flags
 834 ) {
 835         fprintf(stdnimp,"SHGetFileInfo32A(%s,0x%08lx,%p,%d,0x%08x)\n",
 836                 path,dwFileAttributes,psfi,sizeofpsfi,flags
 837         );
 838         return TRUE;
 839 }