dlls/kernel/resource16.c

   1 /*
   2  * 16-bit resource functions
   3  *
   4  * Copyright 1993 Robert J. Amstadt
   5  * Copyright 1997 Alex Korobka
   6  * Copyright 1998 Ulrich Weigand
   7  * Copyright 1995, 2003 Alexandre Julliard
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <sys/types.h>
  30
  31 #include "windef.h"
  32 #include "wownt32.h"
  33 #include "wine/winbase16.h"
  34 #include "wine/winuser16.h"
  35 #include "wine/unicode.h"
  36 #include "module.h"
  37 #include "task.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(resource);
  41
  42 /* handle conversions */
  43 #define HRSRC_32(h16)   ((HRSRC)(ULONG_PTR)(h16))
  44 #define HGLOBAL_32(h16) ((HGLOBAL)(ULONG_PTR)(h16))
  45
  46 static inline NE_MODULE *get_module( HMODULE16 mod )
  47 {
  48     if (!mod) mod = TASK_GetCurrent()->hModule;
  49     return NE_GetPtr( mod );
  50 }
  51
  52 #define HRSRC_MAP_BLOCKSIZE 16
  53
  54 typedef struct _HRSRC_ELEM
  55 {
  56     HRSRC hRsrc;
  57     WORD  type;
  58 } HRSRC_ELEM;
  59
  60 typedef struct _HRSRC_MAP
  61 {
  62     int nAlloc;
  63     int nUsed;
  64     HRSRC_ELEM *elem;
  65 } HRSRC_MAP;
  66
  67
  68 /**********************************************************************
  69  *          MapHRsrc32To16
  70  */
  71 static HRSRC16 MapHRsrc32To16( NE_MODULE *pModule, HRSRC hRsrc32, WORD type )
  72 {
  73     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
  74     HRSRC_ELEM *newElem;
  75     int i;
  76
  77     /* On first call, initialize HRSRC map */
  78     if ( !map )
  79     {
  80         if ( !(map = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HRSRC_MAP) ) ) )
  81         {
  82             ERR("Cannot allocate HRSRC map\n" );
  83             return 0;
  84         }
  85         pModule->hRsrcMap = map;
  86     }
  87
  88     /* Check whether HRSRC32 already in map */
  89     for ( i = 0; i < map->nUsed; i++ )
  90         if ( map->elem[i].hRsrc == hRsrc32 )
  91             return (HRSRC16)(i + 1);
  92
  93     /* If no space left, grow table */
  94     if ( map->nUsed == map->nAlloc )
  95     {
  96         if ( !(newElem = (HRSRC_ELEM *)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  97                                                     map->elem,
  98                                                     (map->nAlloc + HRSRC_MAP_BLOCKSIZE)
  99                                                     * sizeof(HRSRC_ELEM) ) ))
 100         {
 101             ERR("Cannot grow HRSRC map\n" );
 102             return 0;
 103         }
 104         map->elem = newElem;
 105         map->nAlloc += HRSRC_MAP_BLOCKSIZE;
 106     }
 107
 108     /* Add HRSRC32 to table */
 109     map->elem[map->nUsed].hRsrc = hRsrc32;
 110     map->elem[map->nUsed].type  = type;
 111     map->nUsed++;
 112
 113     return (HRSRC16)map->nUsed;
 114 }
 115
 116 /**********************************************************************
 117  *          MapHRsrc16To32
 118  */
 119 static HRSRC MapHRsrc16To32( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 120 {
 121     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 122     if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;
 123
 124     return map->elem[hRsrc16-1].hRsrc;
 125 }
 126
 127 /**********************************************************************
 128  *          MapHRsrc16ToType
 129  */
 130 static WORD MapHRsrc16ToType( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 131 {
 132     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 133     if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;
 134
 135     return map->elem[hRsrc16-1].type;
 136 }
 137
 138
 139 /**********************************************************************
 140  *          get_res_name
 141  *
 142  * Convert a resource name from '#xxx' form to numerical id.
 143  */
 144 static inline LPCSTR get_res_name( LPCSTR name )
 145 {
 146     if (HIWORD(name) && name[0] == '#') name = (LPCSTR)atoi( name + 1 );
 147     return name;
 148 }
 149
 150
 151 /**********************************************************************
 152  *          next_typeinfo
 153  */
 154 static inline NE_TYPEINFO *next_typeinfo( NE_TYPEINFO *info )
 155 {
 156     return (NE_TYPEINFO *)((char*)(info + 1) + info->count * sizeof(NE_NAMEINFO));
 157 }
 158
 159
 160 /**********************************************************************
 161  *          get_default_res_handler
 162  */
 163 static inline FARPROC16 get_default_res_handler(void)
 164 {
 165     static FARPROC16 handler;
 166
 167     if (!handler) handler = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
 168     return handler;
 169 }
 170
 171
 172 /***********************************************************************
 173  *           NE_FindNameTableId
 174  *
 175  * Find the type and resource id from their names.
 176  * Return value is MAKELONG( typeId, resId ), or 0 if not found.
 177  */
 178 static DWORD NE_FindNameTableId( NE_MODULE *pModule, LPCSTR typeId, LPCSTR resId )
 179 {
 180     NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
 181     NE_NAMEINFO *pNameInfo;
 182     HGLOBAL16 handle;
 183     WORD *p;
 184     DWORD ret = 0;
 185     int count;
 186
 187     for (; pTypeInfo->type_id != 0;
 188            pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo+1) +
 189                                         pTypeInfo->count * sizeof(NE_NAMEINFO)))
 190     {
 191         if (pTypeInfo->type_id != 0x800f) continue;
 192         pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
 193         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 194         {
 195             TRACE("NameTable entry: type=%04x id=%04x\n",
 196                               pTypeInfo->type_id, pNameInfo->id );
 197             handle = LoadResource16( pModule->self,
 198                                      (HRSRC16)((int)pNameInfo - (int)pModule) );
 199             for(p = (WORD*)LockResource16(handle); p && *p; p = (WORD *)((char*)p+*p))
 200             {
 201                 TRACE("  type=%04x '%s' id=%04x '%s'\n",
 202                                   p[1], (char *)(p+3), p[2],
 203                                   (char *)(p+3)+strlen((char *)(p+3))+1 );
 204                 /* Check for correct type */
 205
 206                 if (p[1] & 0x8000)
 207                 {
 208                     if (!HIWORD(typeId)) continue;
 209                     if (strcasecmp( typeId, (char *)(p + 3) )) continue;
 210                 }
 211                 else if (HIWORD(typeId) || (((DWORD)typeId & ~0x8000)!= p[1]))
 212                   continue;
 213
 214                 /* Now check for the id */
 215
 216                 if (p[2] & 0x8000)
 217                 {
 218                     if (!HIWORD(resId)) continue;
 219                     if (strcasecmp( resId, (char*)(p+3)+strlen((char*)(p+3))+1 )) continue;
 220
 221                 }
 222                 else if (HIWORD(resId) || (((DWORD)resId & ~0x8000) != p[2]))
 223                   continue;
 224
 225                 /* If we get here, we've found the entry */
 226
 227                 TRACE("  Found!\n" );
 228                 ret = MAKELONG( p[1], p[2] );
 229                 break;
 230             }
 231             FreeResource16( handle );
 232             if (ret) return ret;
 233         }
 234     }
 235     return 0;
 236 }
 237
 238
 239 /***********************************************************************
 240  *           NE_FindTypeSection
 241  *
 242  * Find header struct for a particular resource type.
 243  */
 244 static NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId )
 245 {
 246     /* start from pTypeInfo */
 247
 248     if (HIWORD(typeId) != 0)  /* Named type */
 249     {
 250         LPCSTR str = typeId;
 251         BYTE len = strlen( str );
 252         while (pTypeInfo->type_id)
 253         {
 254             if (!(pTypeInfo->type_id & 0x8000))
 255             {
 256                 BYTE *p = pResTab + pTypeInfo->type_id;
 257                 if ((*p == len) && !strncasecmp( p+1, str, len ))
 258                 {
 259                     TRACE("  Found type '%s'\n", str );
 260                     return pTypeInfo;
 261                 }
 262             }
 263             TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
 264             pTypeInfo = next_typeinfo(pTypeInfo);
 265         }
 266     }
 267     else  /* Numeric type id */
 268     {
 269         WORD id = LOWORD(typeId) | 0x8000;
 270         while (pTypeInfo->type_id)
 271         {
 272             if (pTypeInfo->type_id == id)
 273             {
 274                 TRACE("  Found type %04x\n", id );
 275                 return pTypeInfo;
 276             }
 277             TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
 278             pTypeInfo = next_typeinfo(pTypeInfo);
 279         }
 280     }
 281     return NULL;
 282 }
 283
 284
 285 /***********************************************************************
 286  *           NE_FindResourceFromType
 287  *
 288  * Find a resource once the type info structure has been found.
 289  */
 290 static NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId )
 291 {
 292     BYTE *p;
 293     int count;
 294     NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
 295
 296     if (HIWORD(resId) != 0)  /* Named resource */
 297     {
 298         LPCSTR str = resId;
 299         BYTE len = strlen( str );
 300         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 301         {
 302             if (pNameInfo->id & 0x8000) continue;
 303             p = pResTab + pNameInfo->id;
 304             if ((*p == len) && !strncasecmp( p+1, str, len ))
 305                 return pNameInfo;
 306         }
 307     }
 308     else  /* Numeric resource id */
 309     {
 310         WORD id = LOWORD(resId) | 0x8000;
 311         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 312             if (pNameInfo->id == id) return pNameInfo;
 313     }
 314     return NULL;
 315 }
 316
 317
 318 /***********************************************************************
 319  *           DefResourceHandler (KERNEL.456)
 320  *
 321  * This is the default LoadProc() function.
 322  */
 323 HGLOBAL16 WINAPI NE_DefResourceHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
 324                                         HRSRC16 hRsrc )
 325 {
 326     HANDLE fd;
 327     NE_MODULE* pModule = NE_GetPtr( hModule );
 328     if (pModule && (pModule->flags & NE_FFLAGS_BUILTIN))
 329     {
 330         HGLOBAL16 handle;
 331         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 332         NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 333
 334         if ( hMemObj )
 335             handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
 336         else
 337             handle = AllocResource16( hModule, hRsrc, 0 );
 338
 339         if ( handle )
 340         {
 341             /* NOTE: hRsrcMap points to start of built-in resource data */
 342             memcpy( GlobalLock16( handle ),
 343                     (char *)pModule->hRsrcMap + (pNameInfo->offset << sizeShift),
 344                     pNameInfo->length << sizeShift );
 345         }
 346         return handle;
 347     }
 348     if (pModule && (fd = NE_OpenFile( pModule )) != INVALID_HANDLE_VALUE)
 349     {
 350         HGLOBAL16 handle;
 351         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 352         NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 353
 354         TRACE("loading, pos=%d, len=%d\n",
 355                      (int)pNameInfo->offset << sizeShift,
 356                      (int)pNameInfo->length << sizeShift );
 357         if( hMemObj )
 358             handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
 359         else
 360             handle = AllocResource16( hModule, hRsrc, 0 );
 361
 362         if( handle )
 363         {
 364             DWORD res;
 365             SetFilePointer( fd, (int)pNameInfo->offset << sizeShift, NULL, SEEK_SET );
 366             ReadFile( fd, GlobalLock16( handle ), (int)pNameInfo->length << sizeShift,
 367                       &res, NULL );
 368         }
 369         CloseHandle(fd);
 370         return handle;
 371     }
 372     return (HGLOBAL16)0;
 373 }
 374
 375
 376 /**********************************************************************
 377  *      SetResourceHandler      (KERNEL.67)
 378  */
 379 FARPROC16 WINAPI SetResourceHandler16( HMODULE16 hModule, LPCSTR typeId, FARPROC16 resourceHandler )
 380 {
 381     LPBYTE pResTab;
 382     NE_TYPEINFO *pTypeInfo;
 383     FARPROC16 prevHandler = NULL;
 384     NE_MODULE *pModule = NE_GetPtr( hModule );
 385
 386     if (!pModule || !pModule->res_table) return NULL;
 387
 388     pResTab = (LPBYTE)pModule + pModule->res_table;
 389     pTypeInfo = (NE_TYPEINFO *)(pResTab + 2);
 390
 391     TRACE("module=%04x type=%s\n", hModule, debugstr_a(typeId) );
 392
 393     for (;;)
 394     {
 395         if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, typeId )))
 396             break;
 397         memcpy_unaligned( &prevHandler, &pTypeInfo->resloader, sizeof(FARPROC16) );
 398         memcpy_unaligned( &pTypeInfo->resloader, &resourceHandler, sizeof(FARPROC16) );
 399         pTypeInfo = next_typeinfo(pTypeInfo);
 400     }
 401     if (!prevHandler) prevHandler = get_default_res_handler();
 402     return prevHandler;
 403 }
 404
 405
 406 /**********************************************************************
 407  *          ConvertDialog32To16   (KERNEL.615)
 408  */
 409 VOID WINAPI ConvertDialog32To16( LPVOID dialog32, DWORD size, LPVOID dialog16 )
 410 {
 411     LPVOID p = dialog32;
 412     WORD nbItems, data, dialogEx;
 413     DWORD style;
 414
 415     style = *((DWORD *)dialog16)++ = *((DWORD *)p)++;
 416     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 417     if (dialogEx)
 418     {
 419         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
 420         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
 421         style = *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
 422     }
 423     else
 424         ((DWORD *)p)++; /* exStyle ignored in 16-bit standard dialog */
 425
 426     nbItems = *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++;
 427     *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
 428     *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
 429     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
 430     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
 431
 432     /* Transfer menu name */
 433     switch (*((WORD *)p))
 434     {
 435     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 436     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 437                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 438     default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 439                   ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 440                   ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 441                   break;
 442     }
 443
 444     /* Transfer class name */
 445     switch (*((WORD *)p))
 446     {
 447     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 448     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 449                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 450     default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 451                   ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 452                   ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 453                   break;
 454     }
 455
 456     /* Transfer window caption */
 457     WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 458     ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 459     ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 460
 461     /* Transfer font info */
 462     if (style & DS_SETFONT)
 463     {
 464         *((WORD *)dialog16)++ = *((WORD *)p)++;  /* pointSize */
 465         if (dialogEx)
 466         {
 467             *((WORD *)dialog16)++ = *((WORD *)p)++; /* weight */
 468             *((WORD *)dialog16)++ = *((WORD *)p)++; /* italic */
 469         }
 470         WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );  /* faceName */
 471         ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 472         ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 473     }
 474
 475     /* Transfer dialog items */
 476     while (nbItems)
 477     {
 478         /* align on DWORD boundary (32-bit only) */
 479         p = (LPVOID)((((int)p) + 3) & ~3);
 480
 481         if (dialogEx)
 482         {
 483             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
 484             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
 485             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
 486         }
 487         else
 488         {
 489             style = *((DWORD *)p)++; /* save style */
 490             ((DWORD *)p)++;          /* ignore exStyle */
 491         }
 492
 493         *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
 494         *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
 495         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
 496         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
 497
 498         if (dialogEx)
 499             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* ID */
 500         else
 501         {
 502             *((WORD *)dialog16)++ = *((WORD *)p)++; /* ID */
 503             *((DWORD *)dialog16)++ = style;  /* style from above */
 504         }
 505
 506         /* Transfer class name */
 507         switch (*((WORD *)p))
 508         {
 509         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 510         case 0xffff:  ((WORD *)p)++;
 511                       *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++; break;
 512         default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 513                       ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 514                       ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 515                       break;
 516         }
 517
 518         /* Transfer window name */
 519         switch (*((WORD *)p))
 520         {
 521         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 522         case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 523                       *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 524         default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 525                       ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 526                       ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 527                       break;
 528         }
 529
 530         /* Transfer data */
 531         data = *((WORD *)p)++;
 532         if (dialogEx)
 533             *((WORD *)dialog16)++ = data;
 534         else
 535             *((BYTE *)dialog16)++ = (BYTE)data;
 536
 537         if (data)
 538         {
 539             memcpy( dialog16, p, data );
 540             (LPSTR)dialog16 += data;
 541             (LPSTR)p += data;
 542         }
 543
 544         /* Next item */
 545         nbItems--;
 546     }
 547 }
 548
 549
 550 /**********************************************************************
 551  *          GetDialog32Size   (KERNEL.618)
 552  */
 553 WORD WINAPI GetDialog32Size16( LPVOID dialog32 )
 554 {
 555     LPVOID p = dialog32;
 556     WORD nbItems, data, dialogEx;
 557     DWORD style;
 558
 559     style = *((DWORD *)p)++;
 560     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 561     if (dialogEx)
 562     {
 563         ((DWORD *)p)++; /* helpID */
 564         ((DWORD *)p)++; /* exStyle */
 565         style = *((DWORD *)p)++; /* style */
 566     }
 567     else
 568         ((DWORD *)p)++; /* exStyle */
 569
 570     nbItems = *((WORD *)p)++;
 571     ((WORD *)p)++; /* x */
 572     ((WORD *)p)++; /* y */
 573     ((WORD *)p)++; /* cx */
 574     ((WORD *)p)++; /* cy */
 575
 576     /* Skip menu name */
 577     switch (*((WORD *)p))
 578     {
 579     case 0x0000:  ((WORD *)p)++; break;
 580     case 0xffff:  ((WORD *)p) += 2; break;
 581     default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 582     }
 583
 584     /* Skip class name */
 585     switch (*((WORD *)p))
 586     {
 587     case 0x0000:  ((WORD *)p)++; break;
 588     case 0xffff:  ((WORD *)p) += 2; break;
 589     default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 590     }
 591
 592     /* Skip window caption */
 593     ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 594
 595     /* Skip font info */
 596     if (style & DS_SETFONT)
 597     {
 598         ((WORD *)p)++;  /* pointSize */
 599         if (dialogEx)
 600         {
 601             ((WORD *)p)++; /* weight */
 602             ((WORD *)p)++; /* italic */
 603         }
 604         ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;  /* faceName */
 605     }
 606
 607     /* Skip dialog items */
 608     while (nbItems)
 609     {
 610         /* align on DWORD boundary */
 611         p = (LPVOID)((((int)p) + 3) & ~3);
 612
 613         if (dialogEx)
 614         {
 615             ((DWORD *)p)++; /* helpID */
 616             ((DWORD *)p)++; /* exStyle */
 617             ((DWORD *)p)++; /* style */
 618         }
 619         else
 620         {
 621             ((DWORD *)p)++; /* style */
 622             ((DWORD *)p)++; /* exStyle */
 623         }
 624
 625         ((WORD *)p)++; /* x */
 626         ((WORD *)p)++; /* y */
 627         ((WORD *)p)++; /* cx */
 628         ((WORD *)p)++; /* cy */
 629
 630         if (dialogEx)
 631             ((DWORD *)p)++; /* ID */
 632         else
 633             ((WORD *)p)++; /* ID */
 634
 635         /* Skip class name */
 636         switch (*((WORD *)p))
 637         {
 638         case 0x0000:  ((WORD *)p)++; break;
 639         case 0xffff:  ((WORD *)p) += 2; break;
 640         default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 641         }
 642
 643         /* Skip window name */
 644         switch (*((WORD *)p))
 645         {
 646         case 0x0000:  ((WORD *)p)++; break;
 647         case 0xffff:  ((WORD *)p) += 2; break;
 648         default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 649         }
 650
 651         /* Skip data */
 652         data = *((WORD *)p)++;
 653         (LPSTR)p += data;
 654
 655         /* Next item */
 656         nbItems--;
 657     }
 658
 659     return (WORD)((LPSTR)p - (LPSTR)dialog32);
 660 }
 661
 662
 663 /**********************************************************************
 664  *          ConvertMenu32To16   (KERNEL.616)
 665  */
 666 VOID WINAPI ConvertMenu32To16( LPVOID menu32, DWORD size, LPVOID menu16 )
 667 {
 668     LPVOID p = menu32;
 669     WORD version, headersize, flags, level = 1;
 670
 671     version = *((WORD *)menu16)++ = *((WORD *)p)++;
 672     headersize = *((WORD *)menu16)++ = *((WORD *)p)++;
 673     if ( headersize )
 674     {
 675         memcpy( menu16, p, headersize );
 676         ((LPSTR)menu16) += headersize;
 677         ((LPSTR)p) += headersize;
 678     }
 679
 680     while ( level )
 681         if ( version == 0 )  /* standard */
 682         {
 683             flags = *((WORD *)menu16)++ = *((WORD *)p)++;
 684             if ( !(flags & MF_POPUP) )
 685                 *((WORD *)menu16)++ = *((WORD *)p)++;  /* ID */
 686             else
 687                 level++;
 688
 689             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)menu16, 0x7fffffff, NULL,NULL );
 690             ((LPSTR)menu16) += strlen( (LPSTR)menu16 ) + 1;
 691             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 692
 693             if ( flags & MF_END )
 694                 level--;
 695         }
 696         else  /* extended */
 697         {
 698             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fType */
 699             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fState */
 700             *((WORD *)menu16)++ = (WORD)*((DWORD *)p)++; /* ID */
 701             flags = *((BYTE *)menu16)++ = (BYTE)*((WORD *)p)++;
 702
 703             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)menu16, 0x7fffffff, NULL,NULL );
 704             ((LPSTR)menu16) += strlen( (LPSTR)menu16 ) + 1;
 705             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 706
 707             /* align on DWORD boundary (32-bit only) */
 708             p = (LPVOID)((((int)p) + 3) & ~3);
 709
 710             /* If popup, transfer helpid */
 711             if ( flags & 1)
 712             {
 713                 *((DWORD *)menu16)++ = *((DWORD *)p)++;
 714                 level++;
 715             }
 716
 717             if ( flags & MF_END )
 718                 level--;
 719         }
 720 }
 721
 722
 723 /**********************************************************************
 724  *          GetMenu32Size   (KERNEL.617)
 725  */
 726 WORD WINAPI GetMenu32Size16( LPVOID menu32 )
 727 {
 728     LPVOID p = menu32;
 729     WORD version, headersize, flags, level = 1;
 730
 731     version = *((WORD *)p)++;
 732     headersize = *((WORD *)p)++;
 733     ((LPSTR)p) += headersize;
 734
 735     while ( level )
 736         if ( version == 0 )  /* standard */
 737         {
 738             flags = *((WORD *)p)++;
 739             if ( !(flags & MF_POPUP) )
 740                 ((WORD *)p)++;  /* ID */
 741             else
 742                 level++;
 743
 744             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 745
 746             if ( flags & MF_END )
 747                 level--;
 748         }
 749         else  /* extended */
 750         {
 751             ((DWORD *)p)++; /* fType */
 752             ((DWORD *)p)++; /* fState */
 753             ((DWORD *)p)++; /* ID */
 754             flags = *((WORD *)p)++;
 755
 756             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 757
 758             /* align on DWORD boundary (32-bit only) */
 759             p = (LPVOID)((((int)p) + 3) & ~3);
 760
 761             /* If popup, skip helpid */
 762             if ( flags & 1)
 763             {
 764                 ((DWORD *)p)++;
 765                 level++;
 766             }
 767
 768             if ( flags & MF_END )
 769                 level--;
 770         }
 771
 772     return (WORD)((LPSTR)p - (LPSTR)menu32);
 773 }
 774
 775
 776 /**********************************************************************
 777  *          ConvertAccelerator32To16
 778  */
 779 static void ConvertAccelerator32To16( LPVOID acc32, DWORD size, LPVOID acc16 )
 780 {
 781     int type;
 782
 783     do
 784     {
 785         /* Copy type */
 786         type = *((BYTE *)acc16)++ = *((BYTE *)acc32)++;
 787         /* Skip padding */
 788         ((BYTE *)acc32)++;
 789         /* Copy event and IDval */
 790         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 791         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 792         /* Skip padding */
 793         ((WORD *)acc32)++;
 794
 795     } while ( !( type & 0x80 ) );
 796 }
 797
 798
 799 /**********************************************************************
 800  *          NE_LoadPEResource
 801  */
 802 static HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size )
 803 {
 804     HGLOBAL16 handle;
 805
 806     TRACE("module=%04x type=%04x\n", pModule->self, type );
 807
 808     handle = GlobalAlloc16( 0, size );
 809
 810     switch (type)
 811     {
 812     case RT_MENU16:
 813         ConvertMenu32To16( bits, size, GlobalLock16( handle ) );
 814         break;
 815     case RT_DIALOG16:
 816         ConvertDialog32To16( bits, size, GlobalLock16( handle ) );
 817         break;
 818     case RT_ACCELERATOR16:
 819         ConvertAccelerator32To16( bits, size, GlobalLock16( handle ) );
 820         break;
 821     case RT_STRING16:
 822         FIXME("not yet implemented!\n" );
 823         /* fall through */
 824     default:
 825         memcpy( GlobalLock16( handle ), bits, size );
 826         break;
 827     }
 828     return handle;
 829 }
 830
 831
 832 /**********************************************************************
 833  *          AllocResource    (KERNEL.66)
 834  */
 835 HGLOBAL16 WINAPI AllocResource16( HMODULE16 hModule, HRSRC16 hRsrc, DWORD size)
 836 {
 837     NE_NAMEINFO *pNameInfo=NULL;
 838     WORD sizeShift;
 839     HGLOBAL16 ret;
 840
 841     NE_MODULE *pModule = NE_GetPtr( hModule );
 842     if (!pModule || !pModule->res_table || !hRsrc) return 0;
 843
 844     TRACE("module=%04x res=%04x size=%ld\n", hModule, hRsrc, size );
 845
 846     sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 847     pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 848     if (size < (DWORD)pNameInfo->length << sizeShift)
 849         size = (DWORD)pNameInfo->length << sizeShift;
 850     ret = GlobalAlloc16( GMEM_FIXED, size );
 851     if (ret) FarSetOwner16( ret, hModule );
 852     return ret;
 853 }
 854
 855
 856 /**********************************************************************
 857  *      DirectResAlloc    (KERNEL.168)
 858  *
 859  * Check Schulman, p. 232 for details
 860  */
 861 HGLOBAL16 WINAPI DirectResAlloc16( HINSTANCE16 hInstance, WORD wType,
 862                                  UINT16 wSize )
 863 {
 864     HGLOBAL16 ret;
 865     TRACE("(%04x,%04x,%04x)\n", hInstance, wType, wSize );
 866     if (!(hInstance = GetExePtr( hInstance ))) return 0;
 867     if(wType != 0x10)   /* 0x10 is the only observed value, passed from
 868                            CreateCursorIndirect. */
 869         TRACE("(wType=%x)\n", wType);
 870     ret = GlobalAlloc16( GMEM_MOVEABLE, wSize );
 871     if (ret) FarSetOwner16( ret, hInstance );
 872     return ret;
 873 }
 874
 875
 876 /**********************************************************************
 877  *          AccessResource (KERNEL.64)
 878  */
 879 INT16 WINAPI AccessResource16( HINSTANCE16 hModule, HRSRC16 hRsrc )
 880 {
 881     HFILE16 fd;
 882     NE_MODULE *pModule = NE_GetPtr( hModule );
 883
 884     if (!pModule || !pModule->res_table || !hRsrc) return -1;
 885
 886     TRACE("module=%04x res=%04x\n", pModule->self, hRsrc );
 887
 888     if ((fd = _lopen16( NE_MODULE_NAME(pModule), OF_READ )) != HFILE_ERROR16)
 889     {
 890         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 891         NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 892         _llseek16( fd, (int)pNameInfo->offset << sizeShift, SEEK_SET );
 893     }
 894     return fd;
 895 }
 896
 897
 898 /**********************************************************************
 899  *          FindResource     (KERNEL.60)
 900  */
 901 HRSRC16 WINAPI FindResource16( HMODULE16 hModule, LPCSTR name, LPCSTR type )
 902 {
 903     NE_TYPEINFO *pTypeInfo;
 904     NE_NAMEINFO *pNameInfo;
 905     LPBYTE pResTab;
 906     NE_MODULE *pModule = get_module( hModule );
 907
 908     if (!pModule) return 0;
 909
 910     if (pModule->module32)
 911     {
 912         /* 32-bit PE module */
 913         HRSRC hRsrc32 = FindResourceA( pModule->module32, name, type );
 914         return MapHRsrc32To16( pModule, hRsrc32, HIWORD(type) ? 0 : LOWORD(type) );
 915     }
 916
 917     TRACE("module=%04x name=%s type=%s\n", pModule->self, debugstr_a(name), debugstr_a(type) );
 918
 919     if (!pModule->res_table) return 0;
 920
 921     type = get_res_name( type );
 922     name = get_res_name( name );
 923
 924     if (HIWORD(type) || HIWORD(name))
 925     {
 926         DWORD id = NE_FindNameTableId( pModule, type, name );
 927         if (id)  /* found */
 928         {
 929             type = (LPCSTR)(ULONG_PTR)LOWORD(id);
 930             name = (LPCSTR)(ULONG_PTR)HIWORD(id);
 931         }
 932     }
 933     pResTab = (LPBYTE)pModule + pModule->res_table;
 934     pTypeInfo = (NE_TYPEINFO *)( pResTab + 2 );
 935
 936     for (;;)
 937     {
 938         if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, type ))) break;
 939         if ((pNameInfo = NE_FindResourceFromType( pResTab, pTypeInfo, name )))
 940         {
 941             TRACE("    Found id %08lx\n", (DWORD)name );
 942             return (HRSRC16)( (char *)pNameInfo - (char *)pModule );
 943         }
 944         pTypeInfo = next_typeinfo(pTypeInfo);
 945     }
 946     return 0;
 947 }
 948
 949
 950 /**********************************************************************
 951  *          LoadResource     (KERNEL.61)
 952  */
 953 HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
 954 {
 955     NE_TYPEINFO *pTypeInfo;
 956     NE_NAMEINFO *pNameInfo = NULL;
 957     NE_MODULE *pModule = get_module( hModule );
 958     int d;
 959
 960     if (!hRsrc || !pModule) return 0;
 961
 962     if (pModule->module32)
 963     {
 964         /* load 32-bit resource and convert it */
 965         HRSRC hRsrc32 = MapHRsrc16To32( pModule, hRsrc );
 966         WORD type     = MapHRsrc16ToType( pModule, hRsrc );
 967         HGLOBAL hMem  = LoadResource( pModule->module32, hRsrc32 );
 968         DWORD size    = SizeofResource( pModule->module32, hRsrc32 );
 969         if (!hMem) return 0;
 970         return NE_LoadPEResource( pModule, type, LockResource( hMem ), size );
 971     }
 972
 973     /* first, verify hRsrc (just an offset from pModule to the needed pNameInfo) */
 974
 975     d = pModule->res_table + 2;
 976     pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
 977     while( hRsrc > d )
 978     {
 979         if (pTypeInfo->type_id == 0) break; /* terminal entry */
 980         d += sizeof(NE_TYPEINFO) + pTypeInfo->count * sizeof(NE_NAMEINFO);
 981         if (hRsrc < d)
 982         {
 983             if( ((d - hRsrc)%sizeof(NE_NAMEINFO)) == 0 )
 984             {
 985                 pNameInfo = (NE_NAMEINFO *)((char *)pModule + hRsrc);
 986                 break;
 987             }
 988             else break; /* NE_NAMEINFO boundary mismatch */
 989         }
 990         pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
 991     }
 992
 993     if (pNameInfo)
 994     {
 995         if (pNameInfo->handle && !(GlobalFlags16(pNameInfo->handle) & GMEM_DISCARDED))
 996         {
 997             pNameInfo->usage++;
 998             TRACE("  Already loaded, new count=%d\n", pNameInfo->usage );
 999         }
1000         else
1001         {
1002             FARPROC16 resloader;
1003             memcpy_unaligned( &resloader, &pTypeInfo->resloader, sizeof(FARPROC16) );
1004             if (resloader && resloader != get_default_res_handler())
1005             {
1006                 WORD args[3];
1007                 DWORD ret;
1008
1009                 args[2] = pNameInfo->handle;
1010                 args[1] = pModule->self;
1011                 args[0] = hRsrc;
1012                 WOWCallback16Ex( (DWORD)resloader, WCB16_PASCAL, sizeof(args), args, &ret );
1013                 pNameInfo->handle = LOWORD(ret);
1014             }
1015             else
1016                 pNameInfo->handle = NE_DefResourceHandler( pNameInfo->handle, pModule->self, hRsrc );
1017
1018             if (pNameInfo->handle)
1019             {
1020                 pNameInfo->usage++;
1021                 pNameInfo->flags |= NE_SEGFLAGS_LOADED;
1022             }
1023         }
1024         return pNameInfo->handle;
1025     }
1026     return 0;
1027 }
1028
1029
1030 /**********************************************************************
1031  *          LockResource   (KERNEL.62)
1032  */
1033 SEGPTR WINAPI WIN16_LockResource16( HGLOBAL16 handle )
1034 {
1035     TRACE("(%04x)\n", handle );
1036     /* May need to reload the resource if discarded */
1037     return K32WOWGlobalLock16( handle );
1038 }
1039
1040
1041 /**********************************************************************
1042  *          LockResource16 (KERNEL32.@)
1043  */
1044 LPVOID WINAPI LockResource16( HGLOBAL16 handle )
1045 {
1046     return MapSL( WIN16_LockResource16(handle) );
1047 }
1048
1049
1050 /**********************************************************************
1051  *          SizeofResource   (KERNEL.65)
1052  */
1053 DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
1054 {
1055     NE_MODULE *pModule = NE_GetPtr( hModule );
1056
1057     TRACE("(%x, %x)\n", hModule, hRsrc );
1058
1059     if (!hRsrc) return 0;
1060     if (!(pModule = get_module( hModule ))) return 0;
1061     if (pModule->res_table)
1062     {
1063         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
1064         NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
1065         return (DWORD)pNameInfo->length << sizeShift;
1066     }
1067     if (pModule->module32)
1068     {
1069         /* 32-bit PE module */
1070         return SizeofResource( pModule->module32, MapHRsrc16To32( pModule, hRsrc ) );
1071     }
1072     return 0;
1073 }
1074
1075
1076 typedef WORD (WINAPI *pDestroyIcon32Proc)( HGLOBAL16 handle, UINT16 flags );
1077
1078 /**********************************************************************
1079  *          FreeResource     (KERNEL.63)
1080  */
1081 BOOL16 WINAPI FreeResource16( HGLOBAL16 handle )
1082 {
1083     pDestroyIcon32Proc proc;
1084     HMODULE user;
1085     NE_MODULE *pModule = NE_GetPtr( FarGetOwner16( handle ) );
1086
1087     TRACE("(%04x)\n", handle );
1088
1089     /* Try NE resource first */
1090
1091     if (pModule && pModule->res_table)
1092     {
1093         NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
1094         while (pTypeInfo->type_id)
1095         {
1096             WORD count;
1097             NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
1098             for (count = pTypeInfo->count; count > 0; count--)
1099             {
1100                 if (pNameInfo->handle == handle)
1101                 {
1102                     if (pNameInfo->usage > 0) pNameInfo->usage--;
1103                     if (pNameInfo->usage == 0)
1104                     {
1105                         GlobalFree16( pNameInfo->handle );
1106                         pNameInfo->handle = 0;
1107                         pNameInfo->flags &= ~NE_SEGFLAGS_LOADED;
1108                     }
1109                     return 0;
1110                 }
1111                 pNameInfo++;
1112             }
1113             pTypeInfo = (NE_TYPEINFO *)pNameInfo;
1114         }
1115     }
1116
1117     /* If this failed, call USER.DestroyIcon32; this will check
1118        whether it is a shared cursor/icon; if not it will call
1119        GlobalFree16() */
1120     user = GetModuleHandleA( "user32.dll" );
1121     if (user && (proc = (pDestroyIcon32Proc)GetProcAddress( user, "DestroyIcon32" )))
1122         return proc( handle, 1 /*CID_RESOURCE*/ );
1123     else
1124         return GlobalFree16( handle );
1125 }