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 <stdarg.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <sys/types.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wownt32.h"
  36 #include "wine/winbase16.h"
  37 #include "wine/winuser16.h"
  38 #include "wine/unicode.h"
  39 #include "module.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(resource);
  43
  44 /* handle conversions */
  45 #define HRSRC_32(h16)   ((HRSRC)(ULONG_PTR)(h16))
  46 #define HGLOBAL_32(h16) ((HGLOBAL)(ULONG_PTR)(h16))
  47
  48 static inline NE_MODULE *get_module( HMODULE16 mod )
  49 {
  50     if (!mod) mod = TASK_GetCurrent()->hModule;
  51     return NE_GetPtr( mod );
  52 }
  53
  54 #define HRSRC_MAP_BLOCKSIZE 16
  55
  56 typedef struct _HRSRC_ELEM
  57 {
  58     HRSRC hRsrc;
  59     WORD  type;
  60 } HRSRC_ELEM;
  61
  62 typedef struct _HRSRC_MAP
  63 {
  64     int nAlloc;
  65     int nUsed;
  66     HRSRC_ELEM *elem;
  67 } HRSRC_MAP;
  68
  69
  70 /**********************************************************************
  71  *          MapHRsrc32To16
  72  */
  73 static HRSRC16 MapHRsrc32To16( NE_MODULE *pModule, HRSRC hRsrc32, WORD type )
  74 {
  75     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
  76     HRSRC_ELEM *newElem;
  77     int i;
  78
  79     /* On first call, initialize HRSRC map */
  80     if ( !map )
  81     {
  82         if ( !(map = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HRSRC_MAP) ) ) )
  83         {
  84             ERR("Cannot allocate HRSRC map\n" );
  85             return 0;
  86         }
  87         pModule->hRsrcMap = map;
  88     }
  89
  90     /* Check whether HRSRC32 already in map */
  91     for ( i = 0; i < map->nUsed; i++ )
  92         if ( map->elem[i].hRsrc == hRsrc32 )
  93             return (HRSRC16)(i + 1);
  94
  95     /* If no space left, grow table */
  96     if ( map->nUsed == map->nAlloc )
  97     {
  98
  99         if (map->elem)
 100             newElem = (HRSRC_ELEM *)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 101                     map->elem, (map->nAlloc + HRSRC_MAP_BLOCKSIZE) * sizeof(HRSRC_ELEM) );
 102         else
 103             newElem = (HRSRC_ELEM *)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 104                     (map->nAlloc + HRSRC_MAP_BLOCKSIZE) * sizeof(HRSRC_ELEM) );
 105
 106         if ( !newElem )
 107         {
 108             ERR("Cannot grow HRSRC map\n" );
 109             return 0;
 110         }
 111         map->elem = newElem;
 112         map->nAlloc += HRSRC_MAP_BLOCKSIZE;
 113     }
 114
 115     /* Add HRSRC32 to table */
 116     map->elem[map->nUsed].hRsrc = hRsrc32;
 117     map->elem[map->nUsed].type  = type;
 118     map->nUsed++;
 119
 120     return (HRSRC16)map->nUsed;
 121 }
 122
 123 /**********************************************************************
 124  *          MapHRsrc16To32
 125  */
 126 static HRSRC MapHRsrc16To32( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 127 {
 128     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 129     if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;
 130
 131     return map->elem[hRsrc16-1].hRsrc;
 132 }
 133
 134 /**********************************************************************
 135  *          MapHRsrc16ToType
 136  */
 137 static WORD MapHRsrc16ToType( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 138 {
 139     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 140     if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;
 141
 142     return map->elem[hRsrc16-1].type;
 143 }
 144
 145
 146 /**********************************************************************
 147  *          get_res_name
 148  *
 149  * Convert a resource name from '#xxx' form to numerical id.
 150  */
 151 static inline LPCSTR get_res_name( LPCSTR name )
 152 {
 153     if (HIWORD(name) && name[0] == '#') name = (LPCSTR)atoi( name + 1 );
 154     return name;
 155 }
 156
 157
 158 /**********************************************************************
 159  *          next_typeinfo
 160  */
 161 static inline NE_TYPEINFO *next_typeinfo( NE_TYPEINFO *info )
 162 {
 163     return (NE_TYPEINFO *)((char*)(info + 1) + info->count * sizeof(NE_NAMEINFO));
 164 }
 165
 166
 167 /**********************************************************************
 168  *          get_default_res_handler
 169  */
 170 static inline FARPROC16 get_default_res_handler(void)
 171 {
 172     static FARPROC16 handler;
 173
 174     if (!handler) handler = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
 175     return handler;
 176 }
 177
 178
 179 /***********************************************************************
 180  *           NE_FindNameTableId
 181  *
 182  * Find the type and resource id from their names.
 183  * Return value is MAKELONG( typeId, resId ), or 0 if not found.
 184  */
 185 static DWORD NE_FindNameTableId( NE_MODULE *pModule, LPCSTR typeId, LPCSTR resId )
 186 {
 187     NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
 188     NE_NAMEINFO *pNameInfo;
 189     HGLOBAL16 handle;
 190     WORD *p;
 191     DWORD ret = 0;
 192     int count;
 193
 194     for (; pTypeInfo->type_id != 0;
 195            pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo+1) +
 196                                         pTypeInfo->count * sizeof(NE_NAMEINFO)))
 197     {
 198         if (pTypeInfo->type_id != 0x800f) continue;
 199         pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
 200         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 201         {
 202             TRACE("NameTable entry: type=%04x id=%04x\n",
 203                               pTypeInfo->type_id, pNameInfo->id );
 204             handle = LoadResource16( pModule->self,
 205                                      (HRSRC16)((int)pNameInfo - (int)pModule) );
 206             for(p = (WORD*)LockResource16(handle); p && *p; p = (WORD *)((char*)p+*p))
 207             {
 208                 TRACE("  type=%04x '%s' id=%04x '%s'\n",
 209                                   p[1], (char *)(p+3), p[2],
 210                                   (char *)(p+3)+strlen((char *)(p+3))+1 );
 211                 /* Check for correct type */
 212
 213                 if (p[1] & 0x8000)
 214                 {
 215                     if (!HIWORD(typeId)) continue;
 216                     if (strcasecmp( typeId, (char *)(p + 3) )) continue;
 217                 }
 218                 else if (HIWORD(typeId) || (((DWORD)typeId & ~0x8000)!= p[1]))
 219                   continue;
 220
 221                 /* Now check for the id */
 222
 223                 if (p[2] & 0x8000)
 224                 {
 225                     if (!HIWORD(resId)) continue;
 226                     if (strcasecmp( resId, (char*)(p+3)+strlen((char*)(p+3))+1 )) continue;
 227
 228                 }
 229                 else if (HIWORD(resId) || (((DWORD)resId & ~0x8000) != p[2]))
 230                   continue;
 231
 232                 /* If we get here, we've found the entry */
 233
 234                 TRACE("  Found!\n" );
 235                 ret = MAKELONG( p[1], p[2] );
 236                 break;
 237             }
 238             FreeResource16( handle );
 239             if (ret) return ret;
 240         }
 241     }
 242     return 0;
 243 }
 244
 245
 246 /***********************************************************************
 247  *           NE_FindTypeSection
 248  *
 249  * Find header struct for a particular resource type.
 250  */
 251 static NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId )
 252 {
 253     /* start from pTypeInfo */
 254
 255     if (HIWORD(typeId) != 0)  /* Named type */
 256     {
 257         LPCSTR str = typeId;
 258         BYTE len = strlen( str );
 259         while (pTypeInfo->type_id)
 260         {
 261             if (!(pTypeInfo->type_id & 0x8000))
 262             {
 263                 BYTE *p = pResTab + pTypeInfo->type_id;
 264                 if ((*p == len) && !strncasecmp( p+1, str, len ))
 265                 {
 266                     TRACE("  Found type '%s'\n", str );
 267                     return pTypeInfo;
 268                 }
 269             }
 270             TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
 271             pTypeInfo = next_typeinfo(pTypeInfo);
 272         }
 273     }
 274     else  /* Numeric type id */
 275     {
 276         WORD id = LOWORD(typeId) | 0x8000;
 277         while (pTypeInfo->type_id)
 278         {
 279             if (pTypeInfo->type_id == id)
 280             {
 281                 TRACE("  Found type %04x\n", id );
 282                 return pTypeInfo;
 283             }
 284             TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
 285             pTypeInfo = next_typeinfo(pTypeInfo);
 286         }
 287     }
 288     return NULL;
 289 }
 290
 291
 292 /***********************************************************************
 293  *           NE_FindResourceFromType
 294  *
 295  * Find a resource once the type info structure has been found.
 296  */
 297 static NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId )
 298 {
 299     BYTE *p;
 300     int count;
 301     NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
 302
 303     if (HIWORD(resId) != 0)  /* Named resource */
 304     {
 305         LPCSTR str = resId;
 306         BYTE len = strlen( str );
 307         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 308         {
 309             if (pNameInfo->id & 0x8000) continue;
 310             p = pResTab + pNameInfo->id;
 311             if ((*p == len) && !strncasecmp( p+1, str, len ))
 312                 return pNameInfo;
 313         }
 314     }
 315     else  /* Numeric resource id */
 316     {
 317         WORD id = LOWORD(resId) | 0x8000;
 318         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 319             if (pNameInfo->id == id) return pNameInfo;
 320     }
 321     return NULL;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           DefResourceHandler (KERNEL.456)
 327  *
 328  * This is the default LoadProc() function.
 329  */
 330 HGLOBAL16 WINAPI NE_DefResourceHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
 331                                         HRSRC16 hRsrc )
 332 {
 333     HANDLE fd;
 334     NE_MODULE* pModule = NE_GetPtr( hModule );
 335     if (pModule && (pModule->flags & NE_FFLAGS_BUILTIN))
 336     {
 337         HGLOBAL16 handle;
 338         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 339         NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 340
 341         if ( hMemObj )
 342             handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
 343         else
 344             handle = AllocResource16( hModule, hRsrc, 0 );
 345
 346         if ( handle )
 347         {
 348             /* NOTE: hRsrcMap points to start of built-in resource data */
 349             memcpy( GlobalLock16( handle ),
 350                     (char *)pModule->hRsrcMap + (pNameInfo->offset << sizeShift),
 351                     pNameInfo->length << sizeShift );
 352         }
 353         return handle;
 354     }
 355     if (pModule && (fd = NE_OpenFile( pModule )) != INVALID_HANDLE_VALUE)
 356     {
 357         HGLOBAL16 handle;
 358         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 359         NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 360
 361         TRACE("loading, pos=%d, len=%d\n",
 362                      (int)pNameInfo->offset << sizeShift,
 363                      (int)pNameInfo->length << sizeShift );
 364         if( hMemObj )
 365             handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
 366         else
 367             handle = AllocResource16( hModule, hRsrc, 0 );
 368
 369         if( handle )
 370         {
 371             DWORD res;
 372             SetFilePointer( fd, (int)pNameInfo->offset << sizeShift, NULL, SEEK_SET );
 373             ReadFile( fd, GlobalLock16( handle ), (int)pNameInfo->length << sizeShift,
 374                       &res, NULL );
 375         }
 376         CloseHandle(fd);
 377         return handle;
 378     }
 379     return (HGLOBAL16)0;
 380 }
 381
 382
 383 /**********************************************************************
 384  *      SetResourceHandler      (KERNEL.67)
 385  */
 386 FARPROC16 WINAPI SetResourceHandler16( HMODULE16 hModule, LPCSTR typeId, FARPROC16 resourceHandler )
 387 {
 388     LPBYTE pResTab;
 389     NE_TYPEINFO *pTypeInfo;
 390     FARPROC16 prevHandler = NULL;
 391     NE_MODULE *pModule = NE_GetPtr( hModule );
 392
 393     if (!pModule || !pModule->res_table) return NULL;
 394
 395     pResTab = (LPBYTE)pModule + pModule->res_table;
 396     pTypeInfo = (NE_TYPEINFO *)(pResTab + 2);
 397
 398     TRACE("module=%04x type=%s\n", hModule, debugstr_a(typeId) );
 399
 400     for (;;)
 401     {
 402         if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, typeId )))
 403             break;
 404         memcpy_unaligned( &prevHandler, &pTypeInfo->resloader, sizeof(FARPROC16) );
 405         memcpy_unaligned( &pTypeInfo->resloader, &resourceHandler, sizeof(FARPROC16) );
 406         pTypeInfo = next_typeinfo(pTypeInfo);
 407     }
 408     if (!prevHandler) prevHandler = get_default_res_handler();
 409     return prevHandler;
 410 }
 411
 412 static inline DWORD get_dword(LPVOID *p)
 413 {
 414     DWORD ret = *(DWORD*)*p;
 415     *p = (DWORD *)*p + 1;
 416     return ret;
 417 }
 418
 419 static inline void put_dword(LPVOID *p, DWORD d)
 420 {
 421     *(DWORD*)*p = d;
 422     *p = (DWORD *)*p + 1;
 423 }
 424
 425 static inline WORD get_word(LPVOID *p)
 426 {
 427     WORD ret = *(WORD*)*p;
 428     *p = (WORD *)*p + 1;
 429     return ret;
 430 }
 431
 432 static inline void put_word(LPVOID *p, WORD w)
 433 {
 434     *(WORD*)*p = w;
 435     *p = (WORD *)*p + 1;
 436 }
 437
 438 static inline BYTE get_byte(LPVOID *p)
 439 {
 440     BYTE ret = *(BYTE *)*p;
 441     *p = (BYTE *)*p + 1;
 442     return ret;
 443 }
 444
 445 static inline void put_byte(LPVOID *p, BYTE b)
 446 {
 447     *(BYTE *)*p = b;
 448     *p = (BYTE *)*p + 1;
 449 }
 450
 451 /* convert a resource name */
 452 static void convert_name( LPVOID *dst, LPVOID *src )
 453 {
 454     int len;
 455     switch (*((WORD *)*src))
 456     {
 457     case 0x0000:
 458         get_word( src );
 459         put_byte( dst, 0 );
 460         break;
 461     case 0xffff:
 462         get_word( src );
 463         put_byte( dst, 0xff );
 464         put_word( dst, get_word(src) );
 465         break;
 466     default:
 467         len = WideCharToMultiByte( CP_ACP, 0, *src, -1, *dst, 0x7fffffff, NULL,NULL );
 468         *dst = (char *)*dst + len;
 469         *src = (WCHAR *)*src + strlenW( (WCHAR *)*src ) + 1;
 470         break;
 471     }
 472 }
 473
 474 /**********************************************************************
 475  *          ConvertDialog32To16   (KERNEL.615)
 476  */
 477 VOID WINAPI ConvertDialog32To16( LPVOID dialog32, DWORD size, LPVOID dialog16 )
 478 {
 479     WORD nbItems, data, dialogEx;
 480     DWORD style;
 481
 482     style = get_dword( &dialog32 );
 483     put_dword( &dialog16, style );
 484     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 485     if (dialogEx)
 486     {
 487         put_dword( &dialog16, get_dword( &dialog32 ) );  /* helpID */
 488         put_dword( &dialog16, get_dword( &dialog32 ) );  /* exStyle */
 489         style = get_dword( &dialog32 );
 490         put_dword( &dialog16, style );                   /* style */
 491     }
 492     else
 493         dialog32 = (DWORD *)dialog32 + 1; /* exStyle ignored in 16-bit standard dialog */
 494
 495     nbItems = get_word( &dialog32 );
 496     put_byte( &dialog16, nbItems );
 497     put_word( &dialog16, get_word( &dialog32 ) ); /* x */
 498     put_word( &dialog16, get_word( &dialog32 ) ); /* y */
 499     put_word( &dialog16, get_word( &dialog32 ) ); /* cx */
 500     put_word( &dialog16, get_word( &dialog32 ) ); /* cy */
 501
 502     /* Transfer menu name */
 503     convert_name( &dialog16, &dialog32 );
 504
 505     /* Transfer class name */
 506     convert_name( &dialog16, &dialog32 );
 507
 508     /* Transfer window caption */
 509     WideCharToMultiByte( CP_ACP, 0, dialog32, -1, dialog16, 0x7fffffff, NULL, NULL );
 510     dialog16 = (LPSTR)dialog16 + strlen( (LPSTR)dialog16 ) + 1;
 511     dialog32 = (LPWSTR)dialog32 + strlenW( (LPWSTR)dialog32 ) + 1;
 512
 513     /* Transfer font info */
 514     if (style & DS_SETFONT)
 515     {
 516         put_word( &dialog16, get_word( &dialog32 ) );  /* pointSize */
 517         if (dialogEx)
 518         {
 519             put_word( &dialog16, get_word( &dialog32 ) ); /* weight */
 520             put_word( &dialog16, get_word( &dialog32 ) ); /* italic */
 521         }
 522         WideCharToMultiByte( CP_ACP, 0, (LPWSTR)dialog32, -1, (LPSTR)dialog16, 0x7fffffff, NULL, NULL );  /* faceName */
 523         dialog16 = (LPSTR)dialog16 + strlen( (LPSTR)dialog16 ) + 1;
 524         dialog32 = (LPWSTR)dialog32 + strlenW( (LPWSTR)dialog32 ) + 1;
 525     }
 526
 527     /* Transfer dialog items */
 528     while (nbItems)
 529     {
 530         /* align on DWORD boundary (32-bit only) */
 531         dialog32 = (LPVOID)((((int)dialog32) + 3) & ~3);
 532
 533         if (dialogEx)
 534         {
 535             put_dword( &dialog16, get_dword( &dialog32 ) ); /* helpID */
 536             put_dword( &dialog16, get_dword( &dialog32 ) ); /* exStyle */
 537             put_dword( &dialog16, get_dword( &dialog32 ) ); /* style */
 538         }
 539         else
 540         {
 541             style = get_dword( &dialog32 );    /* save style */
 542             dialog32 = (DWORD *)dialog32 + 1;  /* ignore exStyle */
 543         }
 544
 545         put_word( &dialog16, get_word( &dialog32 ) ); /* x */
 546         put_word( &dialog16, get_word( &dialog32 ) ); /* y */
 547         put_word( &dialog16, get_word( &dialog32 ) ); /* cx */
 548         put_word( &dialog16, get_word( &dialog32 ) ); /* cy */
 549
 550         if (dialogEx)
 551             put_dword( &dialog16, get_dword( &dialog32 ) ); /* ID */
 552         else
 553         {
 554             put_word( &dialog16, get_word( &dialog32 ) ); /* ID */
 555             put_dword( &dialog16, style );  /* style from above */
 556         }
 557
 558         /* Transfer class name */
 559         switch (*(WORD *)dialog32)
 560         {
 561         case 0x0000:
 562             get_word( &dialog32 );
 563             put_byte( &dialog16, 0 );
 564             break;
 565         case 0xffff:
 566             get_word( &dialog32 );
 567             put_byte( &dialog16, get_word( &dialog32 ) );
 568             break;
 569         default:
 570             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)dialog32, -1, (LPSTR)dialog16, 0x7fffffff, NULL, NULL );
 571             dialog16 = (LPSTR)dialog16 + strlen( (LPSTR)dialog16 ) + 1;
 572             dialog32 = (LPWSTR)dialog32 + strlenW( (LPWSTR)dialog32 ) + 1;
 573             break;
 574         }
 575
 576         /* Transfer window name */
 577         convert_name( &dialog16, &dialog32 );
 578
 579         /* Transfer data */
 580         data = get_word( &dialog32 );
 581         if (dialogEx)
 582             put_word(&dialog16, data);
 583         else
 584             put_byte(&dialog16,(BYTE)data);
 585
 586         if (data)
 587         {
 588             memcpy( dialog16, dialog32, data );
 589             dialog16 = (BYTE *)dialog16 + data;
 590             dialog32 = (BYTE *)dialog32 + data;
 591         }
 592
 593         /* Next item */
 594         nbItems--;
 595     }
 596 }
 597
 598
 599 /**********************************************************************
 600  *          GetDialog32Size   (KERNEL.618)
 601  */
 602 WORD WINAPI GetDialog32Size16( LPVOID dialog32 )
 603 {
 604     LPVOID p = dialog32;
 605     WORD nbItems, data, dialogEx;
 606     DWORD style;
 607
 608     style = get_dword(&p);
 609     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 610     if (dialogEx)
 611     {
 612         p = (DWORD *)p + 1; /* helpID */
 613         p = (DWORD *)p + 1; /* exStyle */
 614         style = get_dword(&p); /* style */
 615     }
 616     else
 617         p = (DWORD *)p + 1; /* exStyle */
 618
 619     nbItems = get_word(&p);
 620     p = (WORD *)p + 1; /* x */
 621     p = (WORD *)p + 1; /* y */
 622     p = (WORD *)p + 1; /* cx */
 623     p = (WORD *)p + 1; /* cy */
 624
 625     /* Skip menu name */
 626     switch (*((WORD *)p))
 627     {
 628     case 0x0000:  p = (WORD *)p + 1; break;
 629     case 0xffff:  p = (WORD *)p + 2; break;
 630     default:      p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1; break;
 631     }
 632
 633     /* Skip class name */
 634     switch (*((WORD *)p))
 635     {
 636     case 0x0000:  p = (WORD *)p + 1; break;
 637     case 0xffff:  p = (WORD *)p + 2; break;
 638     default:      p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1; break;
 639     }
 640
 641     /* Skip window caption */
 642     p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1;
 643
 644     /* Skip font info */
 645     if (style & DS_SETFONT)
 646     {
 647         p = (WORD *)p + 1;  /* pointSize */
 648         if (dialogEx)
 649         {
 650             p = (WORD *)p + 1; /* weight */
 651             p = (WORD *)p + 1; /* italic */
 652         }
 653         p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1;  /* faceName */
 654     }
 655
 656     /* Skip dialog items */
 657     while (nbItems)
 658     {
 659         /* align on DWORD boundary */
 660         p = (LPVOID)((((int)p) + 3) & ~3);
 661
 662         if (dialogEx)
 663         {
 664             p = (DWORD *)p + 1; /* helpID */
 665             p = (DWORD *)p + 1; /* exStyle */
 666             p = (DWORD *)p + 1; /* style */
 667         }
 668         else
 669         {
 670             p = (DWORD *)p + 1; /* style */
 671             p = (DWORD *)p + 1; /* exStyle */
 672         }
 673
 674         p = (WORD *)p + 1; /* x */
 675         p = (WORD *)p + 1; /* y */
 676         p = (WORD *)p + 1; /* cx */
 677         p = (WORD *)p + 1; /* cy */
 678
 679         if (dialogEx)
 680             p = (DWORD *)p + 1; /* ID */
 681         else
 682             p = (WORD *)p + 1; /* ID */
 683
 684         /* Skip class name */
 685         switch (*((WORD *)p))
 686         {
 687         case 0x0000:  p = (WORD *)p + 1; break;
 688         case 0xffff:  p = (WORD *)p + 2; break;
 689         default:      p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1; break;
 690         }
 691
 692         /* Skip window name */
 693         switch (*((WORD *)p))
 694         {
 695         case 0x0000:  p = (WORD *)p + 1; break;
 696         case 0xffff:  p = (WORD *)p + 2; break;
 697         default:      p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1; break;
 698         }
 699
 700         /* Skip data */
 701         data = get_word(&p);
 702         p = (BYTE *)p + data;
 703
 704         /* Next item */
 705         nbItems--;
 706     }
 707
 708     return (WORD)((LPSTR)p - (LPSTR)dialog32);
 709 }
 710
 711
 712 /**********************************************************************
 713  *          ConvertMenu32To16   (KERNEL.616)
 714  */
 715 VOID WINAPI ConvertMenu32To16( LPVOID menu32, DWORD size, LPVOID menu16 )
 716 {
 717     WORD version, headersize, flags, level = 1;
 718
 719     version = get_word( &menu32 );
 720     headersize = get_word( &menu32 );
 721     put_word( &menu16, version );
 722     put_word( &menu16, headersize );
 723     if ( headersize )
 724     {
 725         memcpy( menu16, menu32, headersize );
 726         menu16 = (BYTE *)menu16 + headersize;
 727         menu32 = (BYTE *)menu32 + headersize;
 728     }
 729
 730     while ( level )
 731         if ( version == 0 )  /* standard */
 732         {
 733             flags = get_word( &menu32 );
 734             put_word( &menu16, flags );
 735             if ( !(flags & MF_POPUP) )
 736                 put_word( &menu16, get_word( &menu32 ) );  /* ID */
 737             else
 738                 level++;
 739
 740             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)menu32, -1, (LPSTR)menu16, 0x7fffffff, NULL, NULL );
 741             menu16 = (LPSTR)menu16 + strlen( (LPSTR)menu16 ) + 1;
 742             menu32 = (LPWSTR)menu32 + strlenW( (LPWSTR)menu32 ) + 1;
 743
 744             if ( flags & MF_END )
 745                 level--;
 746         }
 747         else  /* extended */
 748         {
 749             put_dword( &menu16, get_dword( &menu32 ) );  /* fType */
 750             put_dword( &menu16, get_dword( &menu32 ) );  /* fState */
 751             put_word( &menu16, get_dword( &menu32 ) );   /* ID */
 752             flags = get_word( &menu32 );
 753             put_byte(&menu16,flags);
 754
 755             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)menu32, -1, (LPSTR)menu16, 0x7fffffff, NULL, NULL );
 756             menu16 = (LPSTR)menu16 + strlen( (LPSTR)menu16 ) + 1;
 757             menu32 = (LPWSTR)menu32 + strlenW( (LPWSTR)menu32 ) + 1;
 758
 759             /* align on DWORD boundary (32-bit only) */
 760             menu32 = (LPVOID)((((int)menu32) + 3) & ~3);
 761
 762             /* If popup, transfer helpid */
 763             if ( flags & 1)
 764             {
 765                 put_dword( &menu16, get_dword( &menu32 ) );
 766                 level++;
 767             }
 768
 769             if ( flags & MF_END )
 770                 level--;
 771         }
 772 }
 773
 774
 775 /**********************************************************************
 776  *          GetMenu32Size   (KERNEL.617)
 777  */
 778 WORD WINAPI GetMenu32Size16( LPVOID menu32 )
 779 {
 780     LPVOID p = menu32;
 781     WORD version, headersize, flags, level = 1;
 782
 783     version = get_word(&p);
 784     headersize = get_word(&p);
 785     p = (BYTE *)p + headersize;
 786
 787     while ( level )
 788         if ( version == 0 )  /* standard */
 789         {
 790             flags = get_word(&p);
 791             if ( !(flags & MF_POPUP) )
 792                 p = (WORD *)p + 1;  /* ID */
 793             else
 794                 level++;
 795
 796             p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1;
 797
 798             if ( flags & MF_END )
 799                 level--;
 800         }
 801         else  /* extended */
 802         {
 803             p = (DWORD *)p + 1; /* fType */
 804             p = (DWORD *)p + 1; /* fState */
 805             p = (DWORD *)p + 1; /* ID */
 806             flags = get_word(&p);
 807
 808             p = (LPWSTR)p + strlenW( (LPWSTR)p ) + 1;
 809
 810             /* align on DWORD boundary (32-bit only) */
 811             p = (LPVOID)((((int)p) + 3) & ~3);
 812
 813             /* If popup, skip helpid */
 814             if ( flags & 1)
 815             {
 816                 p = (DWORD *)p + 1;
 817                 level++;
 818             }
 819
 820             if ( flags & MF_END )
 821                 level--;
 822         }
 823
 824     return (WORD)((LPSTR)p - (LPSTR)menu32);
 825 }
 826
 827
 828 /**********************************************************************
 829  *          ConvertAccelerator32To16
 830  */
 831 static void ConvertAccelerator32To16( LPVOID acc32, DWORD size, LPVOID acc16 )
 832 {
 833     BYTE type;
 834
 835     do
 836     {
 837         /* Copy type */
 838         type = get_byte(&acc32);
 839         put_byte(&acc16, type);
 840         /* Skip padding */
 841         get_byte(&acc32);
 842         /* Copy event and IDval */
 843         put_word(&acc16, get_word(&acc32));
 844         put_word(&acc16, get_word(&acc32));
 845         /* Skip padding */
 846         get_word(&acc32);
 847
 848     } while ( !( type & 0x80 ) );
 849 }
 850
 851
 852 /**********************************************************************
 853  *          NE_LoadPEResource
 854  */
 855 static HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size )
 856 {
 857     HGLOBAL16 handle;
 858
 859     TRACE("module=%04x type=%04x\n", pModule->self, type );
 860
 861     handle = GlobalAlloc16( 0, size );
 862
 863     switch (type)
 864     {
 865     case RT_MENU:
 866         ConvertMenu32To16( bits, size, GlobalLock16( handle ) );
 867         break;
 868     case RT_DIALOG:
 869         ConvertDialog32To16( bits, size, GlobalLock16( handle ) );
 870         break;
 871     case RT_ACCELERATOR:
 872         ConvertAccelerator32To16( bits, size, GlobalLock16( handle ) );
 873         break;
 874     case RT_STRING:
 875         FIXME("not yet implemented!\n" );
 876         /* fall through */
 877     default:
 878         memcpy( GlobalLock16( handle ), bits, size );
 879         break;
 880     }
 881     return handle;
 882 }
 883
 884
 885 /**********************************************************************
 886  *          AllocResource    (KERNEL.66)
 887  */
 888 HGLOBAL16 WINAPI AllocResource16( HMODULE16 hModule, HRSRC16 hRsrc, DWORD size)
 889 {
 890     NE_NAMEINFO *pNameInfo=NULL;
 891     WORD sizeShift;
 892     HGLOBAL16 ret;
 893
 894     NE_MODULE *pModule = NE_GetPtr( hModule );
 895     if (!pModule || !pModule->res_table || !hRsrc) return 0;
 896
 897     TRACE("module=%04x res=%04x size=%ld\n", hModule, hRsrc, size );
 898
 899     sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 900     pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 901     if (size < (DWORD)pNameInfo->length << sizeShift)
 902         size = (DWORD)pNameInfo->length << sizeShift;
 903     ret = GlobalAlloc16( GMEM_FIXED, size );
 904     if (ret) FarSetOwner16( ret, hModule );
 905     return ret;
 906 }
 907
 908
 909 /**********************************************************************
 910  *      DirectResAlloc    (KERNEL.168)
 911  *
 912  * Check Schulman, p. 232 for details
 913  */
 914 HGLOBAL16 WINAPI DirectResAlloc16( HINSTANCE16 hInstance, WORD wType,
 915                                  UINT16 wSize )
 916 {
 917     HGLOBAL16 ret;
 918     TRACE("(%04x,%04x,%04x)\n", hInstance, wType, wSize );
 919     if (!(hInstance = GetExePtr( hInstance ))) return 0;
 920     if(wType != 0x10)   /* 0x10 is the only observed value, passed from
 921                            CreateCursorIndirect. */
 922         TRACE("(wType=%x)\n", wType);
 923     ret = GlobalAlloc16( GMEM_MOVEABLE, wSize );
 924     if (ret) FarSetOwner16( ret, hInstance );
 925     return ret;
 926 }
 927
 928
 929 /**********************************************************************
 930  *          AccessResource (KERNEL.64)
 931  */
 932 INT16 WINAPI AccessResource16( HINSTANCE16 hModule, HRSRC16 hRsrc )
 933 {
 934     HFILE16 fd;
 935     NE_MODULE *pModule = NE_GetPtr( hModule );
 936
 937     if (!pModule || !pModule->res_table || !hRsrc) return -1;
 938
 939     TRACE("module=%04x res=%04x\n", pModule->self, hRsrc );
 940
 941     if ((fd = _lopen16( NE_MODULE_NAME(pModule), OF_READ )) != HFILE_ERROR16)
 942     {
 943         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 944         NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 945         _llseek16( fd, (int)pNameInfo->offset << sizeShift, SEEK_SET );
 946     }
 947     return fd;
 948 }
 949
 950
 951 /**********************************************************************
 952  *          FindResource     (KERNEL.60)
 953  */
 954 HRSRC16 WINAPI FindResource16( HMODULE16 hModule, LPCSTR name, LPCSTR type )
 955 {
 956     NE_TYPEINFO *pTypeInfo;
 957     NE_NAMEINFO *pNameInfo;
 958     LPBYTE pResTab;
 959     NE_MODULE *pModule = get_module( hModule );
 960
 961     if (!pModule) return 0;
 962
 963     if (pModule->module32)
 964     {
 965         /* 32-bit PE module */
 966         HRSRC hRsrc32 = FindResourceA( pModule->module32, name, type );
 967         return MapHRsrc32To16( pModule, hRsrc32, HIWORD(type) ? 0 : LOWORD(type) );
 968     }
 969
 970     TRACE("module=%04x name=%s type=%s\n", pModule->self, debugstr_a(name), debugstr_a(type) );
 971
 972     if (!pModule->res_table) return 0;
 973
 974     type = get_res_name( type );
 975     name = get_res_name( name );
 976
 977     if (HIWORD(type) || HIWORD(name))
 978     {
 979         DWORD id = NE_FindNameTableId( pModule, type, name );
 980         if (id)  /* found */
 981         {
 982             type = (LPCSTR)(ULONG_PTR)LOWORD(id);
 983             name = (LPCSTR)(ULONG_PTR)HIWORD(id);
 984         }
 985     }
 986     pResTab = (LPBYTE)pModule + pModule->res_table;
 987     pTypeInfo = (NE_TYPEINFO *)( pResTab + 2 );
 988
 989     for (;;)
 990     {
 991         if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, type ))) break;
 992         if ((pNameInfo = NE_FindResourceFromType( pResTab, pTypeInfo, name )))
 993         {
 994             TRACE("    Found id %08lx\n", (DWORD)name );
 995             return (HRSRC16)( (char *)pNameInfo - (char *)pModule );
 996         }
 997         pTypeInfo = next_typeinfo(pTypeInfo);
 998     }
 999     return 0;
1000 }
1001
1002
1003 /**********************************************************************
1004  *          LoadResource     (KERNEL.61)
1005  */
1006 HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
1007 {
1008     NE_TYPEINFO *pTypeInfo;
1009     NE_NAMEINFO *pNameInfo = NULL;
1010     NE_MODULE *pModule = get_module( hModule );
1011     int d;
1012
1013     if (!hRsrc || !pModule) return 0;
1014
1015     if (pModule->module32)
1016     {
1017         /* load 32-bit resource and convert it */
1018         HRSRC hRsrc32 = MapHRsrc16To32( pModule, hRsrc );
1019         WORD type     = MapHRsrc16ToType( pModule, hRsrc );
1020         HGLOBAL hMem  = LoadResource( pModule->module32, hRsrc32 );
1021         DWORD size    = SizeofResource( pModule->module32, hRsrc32 );
1022         if (!hMem) return 0;
1023         return NE_LoadPEResource( pModule, type, LockResource( hMem ), size );
1024     }
1025
1026     /* first, verify hRsrc (just an offset from pModule to the needed pNameInfo) */
1027
1028     d = pModule->res_table + 2;
1029     pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
1030     while( hRsrc > d )
1031     {
1032         if (pTypeInfo->type_id == 0) break; /* terminal entry */
1033         d += sizeof(NE_TYPEINFO) + pTypeInfo->count * sizeof(NE_NAMEINFO);
1034         if (hRsrc < d)
1035         {
1036             if( ((d - hRsrc)%sizeof(NE_NAMEINFO)) == 0 )
1037             {
1038                 pNameInfo = (NE_NAMEINFO *)((char *)pModule + hRsrc);
1039                 break;
1040             }
1041             else break; /* NE_NAMEINFO boundary mismatch */
1042         }
1043         pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
1044     }
1045
1046     if (pNameInfo)
1047     {
1048         if (pNameInfo->handle && !(GlobalFlags16(pNameInfo->handle) & GMEM_DISCARDED))
1049         {
1050             pNameInfo->usage++;
1051             TRACE("  Already loaded, new count=%d\n", pNameInfo->usage );
1052         }
1053         else
1054         {
1055             FARPROC16 resloader;
1056             memcpy_unaligned( &resloader, &pTypeInfo->resloader, sizeof(FARPROC16) );
1057             if (resloader && resloader != get_default_res_handler())
1058             {
1059                 WORD args[3];
1060                 DWORD ret;
1061
1062                 args[2] = pNameInfo->handle;
1063                 args[1] = pModule->self;
1064                 args[0] = hRsrc;
1065                 WOWCallback16Ex( (DWORD)resloader, WCB16_PASCAL, sizeof(args), args, &ret );
1066                 pNameInfo->handle = LOWORD(ret);
1067             }
1068             else
1069                 pNameInfo->handle = NE_DefResourceHandler( pNameInfo->handle, pModule->self, hRsrc );
1070
1071             if (pNameInfo->handle)
1072             {
1073                 pNameInfo->usage++;
1074                 pNameInfo->flags |= NE_SEGFLAGS_LOADED;
1075             }
1076         }
1077         return pNameInfo->handle;
1078     }
1079     return 0;
1080 }
1081
1082
1083 /**********************************************************************
1084  *          LockResource   (KERNEL.62)
1085  */
1086 SEGPTR WINAPI WIN16_LockResource16( HGLOBAL16 handle )
1087 {
1088     TRACE("(%04x)\n", handle );
1089     /* May need to reload the resource if discarded */
1090     return K32WOWGlobalLock16( handle );
1091 }
1092
1093
1094 /**********************************************************************
1095  *          LockResource16 (KERNEL32.@)
1096  */
1097 LPVOID WINAPI LockResource16( HGLOBAL16 handle )
1098 {
1099     return MapSL( WIN16_LockResource16(handle) );
1100 }
1101
1102
1103 /**********************************************************************
1104  *          SizeofResource   (KERNEL.65)
1105  */
1106 DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
1107 {
1108     NE_MODULE *pModule = NE_GetPtr( hModule );
1109
1110     TRACE("(%x, %x)\n", hModule, hRsrc );
1111
1112     if (!hRsrc) return 0;
1113     if (!(pModule = get_module( hModule ))) return 0;
1114     if (pModule->res_table)
1115     {
1116         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
1117         NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
1118         return (DWORD)pNameInfo->length << sizeShift;
1119     }
1120     if (pModule->module32)
1121     {
1122         /* 32-bit PE module */
1123         return SizeofResource( pModule->module32, MapHRsrc16To32( pModule, hRsrc ) );
1124     }
1125     return 0;
1126 }
1127
1128
1129 typedef WORD (WINAPI *pDestroyIcon32Proc)( HGLOBAL16 handle, UINT16 flags );
1130
1131 /**********************************************************************
1132  *          FreeResource     (KERNEL.63)
1133  */
1134 BOOL16 WINAPI FreeResource16( HGLOBAL16 handle )
1135 {
1136     pDestroyIcon32Proc proc;
1137     HMODULE user;
1138     NE_MODULE *pModule = NE_GetPtr( FarGetOwner16( handle ) );
1139
1140     TRACE("(%04x)\n", handle );
1141
1142     /* Try NE resource first */
1143
1144     if (pModule && pModule->res_table)
1145     {
1146         NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
1147         while (pTypeInfo->type_id)
1148         {
1149             WORD count;
1150             NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
1151             for (count = pTypeInfo->count; count > 0; count--)
1152             {
1153                 if (pNameInfo->handle == handle)
1154                 {
1155                     if (pNameInfo->usage > 0) pNameInfo->usage--;
1156                     if (pNameInfo->usage == 0)
1157                     {
1158                         GlobalFree16( pNameInfo->handle );
1159                         pNameInfo->handle = 0;
1160                         pNameInfo->flags &= ~NE_SEGFLAGS_LOADED;
1161                     }
1162                     return 0;
1163                 }
1164                 pNameInfo++;
1165             }
1166             pTypeInfo = (NE_TYPEINFO *)pNameInfo;
1167         }
1168     }
1169
1170     /* If this failed, call USER.DestroyIcon32; this will check
1171        whether it is a shared cursor/icon; if not it will call
1172        GlobalFree16() */
1173     user = GetModuleHandleA( "user32.dll" );
1174     if (user && (proc = (pDestroyIcon32Proc)GetProcAddress( user, "DestroyIcon32" )))
1175         return proc( handle, 1 /*CID_RESOURCE*/ );
1176     else
1177         return GlobalFree16( handle );
1178 }