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 <stdlib.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "wownt32.h"
  35 #include "wine/winbase16.h"
  36 #include "wine/winuser16.h"
  37 #include "wine/unicode.h"
  38 #include "module.h"
  39 #include "task.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         if ( !(newElem = (HRSRC_ELEM *)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  99                                                     map->elem,
 100                                                     (map->nAlloc + HRSRC_MAP_BLOCKSIZE)
 101                                                     * sizeof(HRSRC_ELEM) ) ))
 102         {
 103             ERR("Cannot grow HRSRC map\n" );
 104             return 0;
 105         }
 106         map->elem = newElem;
 107         map->nAlloc += HRSRC_MAP_BLOCKSIZE;
 108     }
 109
 110     /* Add HRSRC32 to table */
 111     map->elem[map->nUsed].hRsrc = hRsrc32;
 112     map->elem[map->nUsed].type  = type;
 113     map->nUsed++;
 114
 115     return (HRSRC16)map->nUsed;
 116 }
 117
 118 /**********************************************************************
 119  *          MapHRsrc16To32
 120  */
 121 static HRSRC MapHRsrc16To32( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 122 {
 123     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 124     if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;
 125
 126     return map->elem[hRsrc16-1].hRsrc;
 127 }
 128
 129 /**********************************************************************
 130  *          MapHRsrc16ToType
 131  */
 132 static WORD MapHRsrc16ToType( NE_MODULE *pModule, HRSRC16 hRsrc16 )
 133 {
 134     HRSRC_MAP *map = (HRSRC_MAP *)pModule->hRsrcMap;
 135     if ( !map || !hRsrc16 || hRsrc16 > map->nUsed ) return 0;
 136
 137     return map->elem[hRsrc16-1].type;
 138 }
 139
 140
 141 /**********************************************************************
 142  *          get_res_name
 143  *
 144  * Convert a resource name from '#xxx' form to numerical id.
 145  */
 146 static inline LPCSTR get_res_name( LPCSTR name )
 147 {
 148     if (HIWORD(name) && name[0] == '#') name = (LPCSTR)atoi( name + 1 );
 149     return name;
 150 }
 151
 152
 153 /**********************************************************************
 154  *          next_typeinfo
 155  */
 156 static inline NE_TYPEINFO *next_typeinfo( NE_TYPEINFO *info )
 157 {
 158     return (NE_TYPEINFO *)((char*)(info + 1) + info->count * sizeof(NE_NAMEINFO));
 159 }
 160
 161
 162 /**********************************************************************
 163  *          get_default_res_handler
 164  */
 165 static inline FARPROC16 get_default_res_handler(void)
 166 {
 167     static FARPROC16 handler;
 168
 169     if (!handler) handler = GetProcAddress16( GetModuleHandle16("KERNEL"), "DefResourceHandler" );
 170     return handler;
 171 }
 172
 173
 174 /***********************************************************************
 175  *           NE_FindNameTableId
 176  *
 177  * Find the type and resource id from their names.
 178  * Return value is MAKELONG( typeId, resId ), or 0 if not found.
 179  */
 180 static DWORD NE_FindNameTableId( NE_MODULE *pModule, LPCSTR typeId, LPCSTR resId )
 181 {
 182     NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
 183     NE_NAMEINFO *pNameInfo;
 184     HGLOBAL16 handle;
 185     WORD *p;
 186     DWORD ret = 0;
 187     int count;
 188
 189     for (; pTypeInfo->type_id != 0;
 190            pTypeInfo = (NE_TYPEINFO *)((char*)(pTypeInfo+1) +
 191                                         pTypeInfo->count * sizeof(NE_NAMEINFO)))
 192     {
 193         if (pTypeInfo->type_id != 0x800f) continue;
 194         pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
 195         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 196         {
 197             TRACE("NameTable entry: type=%04x id=%04x\n",
 198                               pTypeInfo->type_id, pNameInfo->id );
 199             handle = LoadResource16( pModule->self,
 200                                      (HRSRC16)((int)pNameInfo - (int)pModule) );
 201             for(p = (WORD*)LockResource16(handle); p && *p; p = (WORD *)((char*)p+*p))
 202             {
 203                 TRACE("  type=%04x '%s' id=%04x '%s'\n",
 204                                   p[1], (char *)(p+3), p[2],
 205                                   (char *)(p+3)+strlen((char *)(p+3))+1 );
 206                 /* Check for correct type */
 207
 208                 if (p[1] & 0x8000)
 209                 {
 210                     if (!HIWORD(typeId)) continue;
 211                     if (strcasecmp( typeId, (char *)(p + 3) )) continue;
 212                 }
 213                 else if (HIWORD(typeId) || (((DWORD)typeId & ~0x8000)!= p[1]))
 214                   continue;
 215
 216                 /* Now check for the id */
 217
 218                 if (p[2] & 0x8000)
 219                 {
 220                     if (!HIWORD(resId)) continue;
 221                     if (strcasecmp( resId, (char*)(p+3)+strlen((char*)(p+3))+1 )) continue;
 222
 223                 }
 224                 else if (HIWORD(resId) || (((DWORD)resId & ~0x8000) != p[2]))
 225                   continue;
 226
 227                 /* If we get here, we've found the entry */
 228
 229                 TRACE("  Found!\n" );
 230                 ret = MAKELONG( p[1], p[2] );
 231                 break;
 232             }
 233             FreeResource16( handle );
 234             if (ret) return ret;
 235         }
 236     }
 237     return 0;
 238 }
 239
 240
 241 /***********************************************************************
 242  *           NE_FindTypeSection
 243  *
 244  * Find header struct for a particular resource type.
 245  */
 246 static NE_TYPEINFO *NE_FindTypeSection( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR typeId )
 247 {
 248     /* start from pTypeInfo */
 249
 250     if (HIWORD(typeId) != 0)  /* Named type */
 251     {
 252         LPCSTR str = typeId;
 253         BYTE len = strlen( str );
 254         while (pTypeInfo->type_id)
 255         {
 256             if (!(pTypeInfo->type_id & 0x8000))
 257             {
 258                 BYTE *p = pResTab + pTypeInfo->type_id;
 259                 if ((*p == len) && !strncasecmp( p+1, str, len ))
 260                 {
 261                     TRACE("  Found type '%s'\n", str );
 262                     return pTypeInfo;
 263                 }
 264             }
 265             TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
 266             pTypeInfo = next_typeinfo(pTypeInfo);
 267         }
 268     }
 269     else  /* Numeric type id */
 270     {
 271         WORD id = LOWORD(typeId) | 0x8000;
 272         while (pTypeInfo->type_id)
 273         {
 274             if (pTypeInfo->type_id == id)
 275             {
 276                 TRACE("  Found type %04x\n", id );
 277                 return pTypeInfo;
 278             }
 279             TRACE("  Skipping type %04x\n", pTypeInfo->type_id );
 280             pTypeInfo = next_typeinfo(pTypeInfo);
 281         }
 282     }
 283     return NULL;
 284 }
 285
 286
 287 /***********************************************************************
 288  *           NE_FindResourceFromType
 289  *
 290  * Find a resource once the type info structure has been found.
 291  */
 292 static NE_NAMEINFO *NE_FindResourceFromType( LPBYTE pResTab, NE_TYPEINFO *pTypeInfo, LPCSTR resId )
 293 {
 294     BYTE *p;
 295     int count;
 296     NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
 297
 298     if (HIWORD(resId) != 0)  /* Named resource */
 299     {
 300         LPCSTR str = resId;
 301         BYTE len = strlen( str );
 302         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 303         {
 304             if (pNameInfo->id & 0x8000) continue;
 305             p = pResTab + pNameInfo->id;
 306             if ((*p == len) && !strncasecmp( p+1, str, len ))
 307                 return pNameInfo;
 308         }
 309     }
 310     else  /* Numeric resource id */
 311     {
 312         WORD id = LOWORD(resId) | 0x8000;
 313         for (count = pTypeInfo->count; count > 0; count--, pNameInfo++)
 314             if (pNameInfo->id == id) return pNameInfo;
 315     }
 316     return NULL;
 317 }
 318
 319
 320 /***********************************************************************
 321  *           DefResourceHandler (KERNEL.456)
 322  *
 323  * This is the default LoadProc() function.
 324  */
 325 HGLOBAL16 WINAPI NE_DefResourceHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
 326                                         HRSRC16 hRsrc )
 327 {
 328     HANDLE fd;
 329     NE_MODULE* pModule = NE_GetPtr( hModule );
 330     if (pModule && (pModule->flags & NE_FFLAGS_BUILTIN))
 331     {
 332         HGLOBAL16 handle;
 333         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 334         NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 335
 336         if ( hMemObj )
 337             handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
 338         else
 339             handle = AllocResource16( hModule, hRsrc, 0 );
 340
 341         if ( handle )
 342         {
 343             /* NOTE: hRsrcMap points to start of built-in resource data */
 344             memcpy( GlobalLock16( handle ),
 345                     (char *)pModule->hRsrcMap + (pNameInfo->offset << sizeShift),
 346                     pNameInfo->length << sizeShift );
 347         }
 348         return handle;
 349     }
 350     if (pModule && (fd = NE_OpenFile( pModule )) != INVALID_HANDLE_VALUE)
 351     {
 352         HGLOBAL16 handle;
 353         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 354         NE_NAMEINFO* pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 355
 356         TRACE("loading, pos=%d, len=%d\n",
 357                      (int)pNameInfo->offset << sizeShift,
 358                      (int)pNameInfo->length << sizeShift );
 359         if( hMemObj )
 360             handle = GlobalReAlloc16( hMemObj, pNameInfo->length << sizeShift, 0 );
 361         else
 362             handle = AllocResource16( hModule, hRsrc, 0 );
 363
 364         if( handle )
 365         {
 366             DWORD res;
 367             SetFilePointer( fd, (int)pNameInfo->offset << sizeShift, NULL, SEEK_SET );
 368             ReadFile( fd, GlobalLock16( handle ), (int)pNameInfo->length << sizeShift,
 369                       &res, NULL );
 370         }
 371         CloseHandle(fd);
 372         return handle;
 373     }
 374     return (HGLOBAL16)0;
 375 }
 376
 377
 378 /**********************************************************************
 379  *      SetResourceHandler      (KERNEL.67)
 380  */
 381 FARPROC16 WINAPI SetResourceHandler16( HMODULE16 hModule, LPCSTR typeId, FARPROC16 resourceHandler )
 382 {
 383     LPBYTE pResTab;
 384     NE_TYPEINFO *pTypeInfo;
 385     FARPROC16 prevHandler = NULL;
 386     NE_MODULE *pModule = NE_GetPtr( hModule );
 387
 388     if (!pModule || !pModule->res_table) return NULL;
 389
 390     pResTab = (LPBYTE)pModule + pModule->res_table;
 391     pTypeInfo = (NE_TYPEINFO *)(pResTab + 2);
 392
 393     TRACE("module=%04x type=%s\n", hModule, debugstr_a(typeId) );
 394
 395     for (;;)
 396     {
 397         if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, typeId )))
 398             break;
 399         memcpy_unaligned( &prevHandler, &pTypeInfo->resloader, sizeof(FARPROC16) );
 400         memcpy_unaligned( &pTypeInfo->resloader, &resourceHandler, sizeof(FARPROC16) );
 401         pTypeInfo = next_typeinfo(pTypeInfo);
 402     }
 403     if (!prevHandler) prevHandler = get_default_res_handler();
 404     return prevHandler;
 405 }
 406
 407
 408 /**********************************************************************
 409  *          ConvertDialog32To16   (KERNEL.615)
 410  */
 411 VOID WINAPI ConvertDialog32To16( LPVOID dialog32, DWORD size, LPVOID dialog16 )
 412 {
 413     LPVOID p = dialog32;
 414     WORD nbItems, data, dialogEx;
 415     DWORD style;
 416
 417     style = *((DWORD *)dialog16)++ = *((DWORD *)p)++;
 418     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 419     if (dialogEx)
 420     {
 421         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
 422         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
 423         style = *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
 424     }
 425     else
 426         ((DWORD *)p)++; /* exStyle ignored in 16-bit standard dialog */
 427
 428     nbItems = *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++;
 429     *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
 430     *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
 431     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
 432     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
 433
 434     /* Transfer menu name */
 435     switch (*((WORD *)p))
 436     {
 437     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 438     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 439                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 440     default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 441                   ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 442                   ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 443                   break;
 444     }
 445
 446     /* Transfer class name */
 447     switch (*((WORD *)p))
 448     {
 449     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 450     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 451                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 452     default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 453                   ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 454                   ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 455                   break;
 456     }
 457
 458     /* Transfer window caption */
 459     WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 460     ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 461     ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 462
 463     /* Transfer font info */
 464     if (style & DS_SETFONT)
 465     {
 466         *((WORD *)dialog16)++ = *((WORD *)p)++;  /* pointSize */
 467         if (dialogEx)
 468         {
 469             *((WORD *)dialog16)++ = *((WORD *)p)++; /* weight */
 470             *((WORD *)dialog16)++ = *((WORD *)p)++; /* italic */
 471         }
 472         WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );  /* faceName */
 473         ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 474         ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 475     }
 476
 477     /* Transfer dialog items */
 478     while (nbItems)
 479     {
 480         /* align on DWORD boundary (32-bit only) */
 481         p = (LPVOID)((((int)p) + 3) & ~3);
 482
 483         if (dialogEx)
 484         {
 485             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
 486             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
 487             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
 488         }
 489         else
 490         {
 491             style = *((DWORD *)p)++; /* save style */
 492             ((DWORD *)p)++;          /* ignore exStyle */
 493         }
 494
 495         *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
 496         *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
 497         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
 498         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
 499
 500         if (dialogEx)
 501             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* ID */
 502         else
 503         {
 504             *((WORD *)dialog16)++ = *((WORD *)p)++; /* ID */
 505             *((DWORD *)dialog16)++ = style;  /* style from above */
 506         }
 507
 508         /* Transfer class name */
 509         switch (*((WORD *)p))
 510         {
 511         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 512         case 0xffff:  ((WORD *)p)++;
 513                       *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++; break;
 514         default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 515                       ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 516                       ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 517                       break;
 518         }
 519
 520         /* Transfer window name */
 521         switch (*((WORD *)p))
 522         {
 523         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 524         case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 525                       *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 526         default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 527                       ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 528                       ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 529                       break;
 530         }
 531
 532         /* Transfer data */
 533         data = *((WORD *)p)++;
 534         if (dialogEx)
 535             *((WORD *)dialog16)++ = data;
 536         else
 537             *((BYTE *)dialog16)++ = (BYTE)data;
 538
 539         if (data)
 540         {
 541             memcpy( dialog16, p, data );
 542             (LPSTR)dialog16 += data;
 543             (LPSTR)p += data;
 544         }
 545
 546         /* Next item */
 547         nbItems--;
 548     }
 549 }
 550
 551
 552 /**********************************************************************
 553  *          GetDialog32Size   (KERNEL.618)
 554  */
 555 WORD WINAPI GetDialog32Size16( LPVOID dialog32 )
 556 {
 557     LPVOID p = dialog32;
 558     WORD nbItems, data, dialogEx;
 559     DWORD style;
 560
 561     style = *((DWORD *)p)++;
 562     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 563     if (dialogEx)
 564     {
 565         ((DWORD *)p)++; /* helpID */
 566         ((DWORD *)p)++; /* exStyle */
 567         style = *((DWORD *)p)++; /* style */
 568     }
 569     else
 570         ((DWORD *)p)++; /* exStyle */
 571
 572     nbItems = *((WORD *)p)++;
 573     ((WORD *)p)++; /* x */
 574     ((WORD *)p)++; /* y */
 575     ((WORD *)p)++; /* cx */
 576     ((WORD *)p)++; /* cy */
 577
 578     /* Skip menu name */
 579     switch (*((WORD *)p))
 580     {
 581     case 0x0000:  ((WORD *)p)++; break;
 582     case 0xffff:  ((WORD *)p) += 2; break;
 583     default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 584     }
 585
 586     /* Skip class name */
 587     switch (*((WORD *)p))
 588     {
 589     case 0x0000:  ((WORD *)p)++; break;
 590     case 0xffff:  ((WORD *)p) += 2; break;
 591     default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 592     }
 593
 594     /* Skip window caption */
 595     ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 596
 597     /* Skip font info */
 598     if (style & DS_SETFONT)
 599     {
 600         ((WORD *)p)++;  /* pointSize */
 601         if (dialogEx)
 602         {
 603             ((WORD *)p)++; /* weight */
 604             ((WORD *)p)++; /* italic */
 605         }
 606         ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;  /* faceName */
 607     }
 608
 609     /* Skip dialog items */
 610     while (nbItems)
 611     {
 612         /* align on DWORD boundary */
 613         p = (LPVOID)((((int)p) + 3) & ~3);
 614
 615         if (dialogEx)
 616         {
 617             ((DWORD *)p)++; /* helpID */
 618             ((DWORD *)p)++; /* exStyle */
 619             ((DWORD *)p)++; /* style */
 620         }
 621         else
 622         {
 623             ((DWORD *)p)++; /* style */
 624             ((DWORD *)p)++; /* exStyle */
 625         }
 626
 627         ((WORD *)p)++; /* x */
 628         ((WORD *)p)++; /* y */
 629         ((WORD *)p)++; /* cx */
 630         ((WORD *)p)++; /* cy */
 631
 632         if (dialogEx)
 633             ((DWORD *)p)++; /* ID */
 634         else
 635             ((WORD *)p)++; /* ID */
 636
 637         /* Skip class name */
 638         switch (*((WORD *)p))
 639         {
 640         case 0x0000:  ((WORD *)p)++; break;
 641         case 0xffff:  ((WORD *)p) += 2; break;
 642         default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 643         }
 644
 645         /* Skip window name */
 646         switch (*((WORD *)p))
 647         {
 648         case 0x0000:  ((WORD *)p)++; break;
 649         case 0xffff:  ((WORD *)p) += 2; break;
 650         default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 651         }
 652
 653         /* Skip data */
 654         data = *((WORD *)p)++;
 655         (LPSTR)p += data;
 656
 657         /* Next item */
 658         nbItems--;
 659     }
 660
 661     return (WORD)((LPSTR)p - (LPSTR)dialog32);
 662 }
 663
 664
 665 /**********************************************************************
 666  *          ConvertMenu32To16   (KERNEL.616)
 667  */
 668 VOID WINAPI ConvertMenu32To16( LPVOID menu32, DWORD size, LPVOID menu16 )
 669 {
 670     LPVOID p = menu32;
 671     WORD version, headersize, flags, level = 1;
 672
 673     version = *((WORD *)menu16)++ = *((WORD *)p)++;
 674     headersize = *((WORD *)menu16)++ = *((WORD *)p)++;
 675     if ( headersize )
 676     {
 677         memcpy( menu16, p, headersize );
 678         ((LPSTR)menu16) += headersize;
 679         ((LPSTR)p) += headersize;
 680     }
 681
 682     while ( level )
 683         if ( version == 0 )  /* standard */
 684         {
 685             flags = *((WORD *)menu16)++ = *((WORD *)p)++;
 686             if ( !(flags & MF_POPUP) )
 687                 *((WORD *)menu16)++ = *((WORD *)p)++;  /* ID */
 688             else
 689                 level++;
 690
 691             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)menu16, 0x7fffffff, NULL,NULL );
 692             ((LPSTR)menu16) += strlen( (LPSTR)menu16 ) + 1;
 693             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 694
 695             if ( flags & MF_END )
 696                 level--;
 697         }
 698         else  /* extended */
 699         {
 700             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fType */
 701             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fState */
 702             *((WORD *)menu16)++ = (WORD)*((DWORD *)p)++; /* ID */
 703             flags = *((BYTE *)menu16)++ = (BYTE)*((WORD *)p)++;
 704
 705             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)menu16, 0x7fffffff, NULL,NULL );
 706             ((LPSTR)menu16) += strlen( (LPSTR)menu16 ) + 1;
 707             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 708
 709             /* align on DWORD boundary (32-bit only) */
 710             p = (LPVOID)((((int)p) + 3) & ~3);
 711
 712             /* If popup, transfer helpid */
 713             if ( flags & 1)
 714             {
 715                 *((DWORD *)menu16)++ = *((DWORD *)p)++;
 716                 level++;
 717             }
 718
 719             if ( flags & MF_END )
 720                 level--;
 721         }
 722 }
 723
 724
 725 /**********************************************************************
 726  *          GetMenu32Size   (KERNEL.617)
 727  */
 728 WORD WINAPI GetMenu32Size16( LPVOID menu32 )
 729 {
 730     LPVOID p = menu32;
 731     WORD version, headersize, flags, level = 1;
 732
 733     version = *((WORD *)p)++;
 734     headersize = *((WORD *)p)++;
 735     ((LPSTR)p) += headersize;
 736
 737     while ( level )
 738         if ( version == 0 )  /* standard */
 739         {
 740             flags = *((WORD *)p)++;
 741             if ( !(flags & MF_POPUP) )
 742                 ((WORD *)p)++;  /* ID */
 743             else
 744                 level++;
 745
 746             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 747
 748             if ( flags & MF_END )
 749                 level--;
 750         }
 751         else  /* extended */
 752         {
 753             ((DWORD *)p)++; /* fType */
 754             ((DWORD *)p)++; /* fState */
 755             ((DWORD *)p)++; /* ID */
 756             flags = *((WORD *)p)++;
 757
 758             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 759
 760             /* align on DWORD boundary (32-bit only) */
 761             p = (LPVOID)((((int)p) + 3) & ~3);
 762
 763             /* If popup, skip helpid */
 764             if ( flags & 1)
 765             {
 766                 ((DWORD *)p)++;
 767                 level++;
 768             }
 769
 770             if ( flags & MF_END )
 771                 level--;
 772         }
 773
 774     return (WORD)((LPSTR)p - (LPSTR)menu32);
 775 }
 776
 777
 778 /**********************************************************************
 779  *          ConvertAccelerator32To16
 780  */
 781 static void ConvertAccelerator32To16( LPVOID acc32, DWORD size, LPVOID acc16 )
 782 {
 783     int type;
 784
 785     do
 786     {
 787         /* Copy type */
 788         type = *((BYTE *)acc16)++ = *((BYTE *)acc32)++;
 789         /* Skip padding */
 790         ((BYTE *)acc32)++;
 791         /* Copy event and IDval */
 792         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 793         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 794         /* Skip padding */
 795         ((WORD *)acc32)++;
 796
 797     } while ( !( type & 0x80 ) );
 798 }
 799
 800
 801 /**********************************************************************
 802  *          NE_LoadPEResource
 803  */
 804 static HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size )
 805 {
 806     HGLOBAL16 handle;
 807
 808     TRACE("module=%04x type=%04x\n", pModule->self, type );
 809
 810     handle = GlobalAlloc16( 0, size );
 811
 812     switch (type)
 813     {
 814     case RT_MENU16:
 815         ConvertMenu32To16( bits, size, GlobalLock16( handle ) );
 816         break;
 817     case RT_DIALOG16:
 818         ConvertDialog32To16( bits, size, GlobalLock16( handle ) );
 819         break;
 820     case RT_ACCELERATOR16:
 821         ConvertAccelerator32To16( bits, size, GlobalLock16( handle ) );
 822         break;
 823     case RT_STRING16:
 824         FIXME("not yet implemented!\n" );
 825         /* fall through */
 826     default:
 827         memcpy( GlobalLock16( handle ), bits, size );
 828         break;
 829     }
 830     return handle;
 831 }
 832
 833
 834 /**********************************************************************
 835  *          AllocResource    (KERNEL.66)
 836  */
 837 HGLOBAL16 WINAPI AllocResource16( HMODULE16 hModule, HRSRC16 hRsrc, DWORD size)
 838 {
 839     NE_NAMEINFO *pNameInfo=NULL;
 840     WORD sizeShift;
 841     HGLOBAL16 ret;
 842
 843     NE_MODULE *pModule = NE_GetPtr( hModule );
 844     if (!pModule || !pModule->res_table || !hRsrc) return 0;
 845
 846     TRACE("module=%04x res=%04x size=%ld\n", hModule, hRsrc, size );
 847
 848     sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 849     pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 850     if (size < (DWORD)pNameInfo->length << sizeShift)
 851         size = (DWORD)pNameInfo->length << sizeShift;
 852     ret = GlobalAlloc16( GMEM_FIXED, size );
 853     if (ret) FarSetOwner16( ret, hModule );
 854     return ret;
 855 }
 856
 857
 858 /**********************************************************************
 859  *      DirectResAlloc    (KERNEL.168)
 860  *
 861  * Check Schulman, p. 232 for details
 862  */
 863 HGLOBAL16 WINAPI DirectResAlloc16( HINSTANCE16 hInstance, WORD wType,
 864                                  UINT16 wSize )
 865 {
 866     HGLOBAL16 ret;
 867     TRACE("(%04x,%04x,%04x)\n", hInstance, wType, wSize );
 868     if (!(hInstance = GetExePtr( hInstance ))) return 0;
 869     if(wType != 0x10)   /* 0x10 is the only observed value, passed from
 870                            CreateCursorIndirect. */
 871         TRACE("(wType=%x)\n", wType);
 872     ret = GlobalAlloc16( GMEM_MOVEABLE, wSize );
 873     if (ret) FarSetOwner16( ret, hInstance );
 874     return ret;
 875 }
 876
 877
 878 /**********************************************************************
 879  *          AccessResource (KERNEL.64)
 880  */
 881 INT16 WINAPI AccessResource16( HINSTANCE16 hModule, HRSRC16 hRsrc )
 882 {
 883     HFILE16 fd;
 884     NE_MODULE *pModule = NE_GetPtr( hModule );
 885
 886     if (!pModule || !pModule->res_table || !hRsrc) return -1;
 887
 888     TRACE("module=%04x res=%04x\n", pModule->self, hRsrc );
 889
 890     if ((fd = _lopen16( NE_MODULE_NAME(pModule), OF_READ )) != HFILE_ERROR16)
 891     {
 892         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
 893         NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
 894         _llseek16( fd, (int)pNameInfo->offset << sizeShift, SEEK_SET );
 895     }
 896     return fd;
 897 }
 898
 899
 900 /**********************************************************************
 901  *          FindResource     (KERNEL.60)
 902  */
 903 HRSRC16 WINAPI FindResource16( HMODULE16 hModule, LPCSTR name, LPCSTR type )
 904 {
 905     NE_TYPEINFO *pTypeInfo;
 906     NE_NAMEINFO *pNameInfo;
 907     LPBYTE pResTab;
 908     NE_MODULE *pModule = get_module( hModule );
 909
 910     if (!pModule) return 0;
 911
 912     if (pModule->module32)
 913     {
 914         /* 32-bit PE module */
 915         HRSRC hRsrc32 = FindResourceA( pModule->module32, name, type );
 916         return MapHRsrc32To16( pModule, hRsrc32, HIWORD(type) ? 0 : LOWORD(type) );
 917     }
 918
 919     TRACE("module=%04x name=%s type=%s\n", pModule->self, debugstr_a(name), debugstr_a(type) );
 920
 921     if (!pModule->res_table) return 0;
 922
 923     type = get_res_name( type );
 924     name = get_res_name( name );
 925
 926     if (HIWORD(type) || HIWORD(name))
 927     {
 928         DWORD id = NE_FindNameTableId( pModule, type, name );
 929         if (id)  /* found */
 930         {
 931             type = (LPCSTR)(ULONG_PTR)LOWORD(id);
 932             name = (LPCSTR)(ULONG_PTR)HIWORD(id);
 933         }
 934     }
 935     pResTab = (LPBYTE)pModule + pModule->res_table;
 936     pTypeInfo = (NE_TYPEINFO *)( pResTab + 2 );
 937
 938     for (;;)
 939     {
 940         if (!(pTypeInfo = NE_FindTypeSection( pResTab, pTypeInfo, type ))) break;
 941         if ((pNameInfo = NE_FindResourceFromType( pResTab, pTypeInfo, name )))
 942         {
 943             TRACE("    Found id %08lx\n", (DWORD)name );
 944             return (HRSRC16)( (char *)pNameInfo - (char *)pModule );
 945         }
 946         pTypeInfo = next_typeinfo(pTypeInfo);
 947     }
 948     return 0;
 949 }
 950
 951
 952 /**********************************************************************
 953  *          LoadResource     (KERNEL.61)
 954  */
 955 HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
 956 {
 957     NE_TYPEINFO *pTypeInfo;
 958     NE_NAMEINFO *pNameInfo = NULL;
 959     NE_MODULE *pModule = get_module( hModule );
 960     int d;
 961
 962     if (!hRsrc || !pModule) return 0;
 963
 964     if (pModule->module32)
 965     {
 966         /* load 32-bit resource and convert it */
 967         HRSRC hRsrc32 = MapHRsrc16To32( pModule, hRsrc );
 968         WORD type     = MapHRsrc16ToType( pModule, hRsrc );
 969         HGLOBAL hMem  = LoadResource( pModule->module32, hRsrc32 );
 970         DWORD size    = SizeofResource( pModule->module32, hRsrc32 );
 971         if (!hMem) return 0;
 972         return NE_LoadPEResource( pModule, type, LockResource( hMem ), size );
 973     }
 974
 975     /* first, verify hRsrc (just an offset from pModule to the needed pNameInfo) */
 976
 977     d = pModule->res_table + 2;
 978     pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
 979     while( hRsrc > d )
 980     {
 981         if (pTypeInfo->type_id == 0) break; /* terminal entry */
 982         d += sizeof(NE_TYPEINFO) + pTypeInfo->count * sizeof(NE_NAMEINFO);
 983         if (hRsrc < d)
 984         {
 985             if( ((d - hRsrc)%sizeof(NE_NAMEINFO)) == 0 )
 986             {
 987                 pNameInfo = (NE_NAMEINFO *)((char *)pModule + hRsrc);
 988                 break;
 989             }
 990             else break; /* NE_NAMEINFO boundary mismatch */
 991         }
 992         pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
 993     }
 994
 995     if (pNameInfo)
 996     {
 997         if (pNameInfo->handle && !(GlobalFlags16(pNameInfo->handle) & GMEM_DISCARDED))
 998         {
 999             pNameInfo->usage++;
1000             TRACE("  Already loaded, new count=%d\n", pNameInfo->usage );
1001         }
1002         else
1003         {
1004             FARPROC16 resloader;
1005             memcpy_unaligned( &resloader, &pTypeInfo->resloader, sizeof(FARPROC16) );
1006             if (resloader && resloader != get_default_res_handler())
1007             {
1008                 WORD args[3];
1009                 DWORD ret;
1010
1011                 args[2] = pNameInfo->handle;
1012                 args[1] = pModule->self;
1013                 args[0] = hRsrc;
1014                 WOWCallback16Ex( (DWORD)resloader, WCB16_PASCAL, sizeof(args), args, &ret );
1015                 pNameInfo->handle = LOWORD(ret);
1016             }
1017             else
1018                 pNameInfo->handle = NE_DefResourceHandler( pNameInfo->handle, pModule->self, hRsrc );
1019
1020             if (pNameInfo->handle)
1021             {
1022                 pNameInfo->usage++;
1023                 pNameInfo->flags |= NE_SEGFLAGS_LOADED;
1024             }
1025         }
1026         return pNameInfo->handle;
1027     }
1028     return 0;
1029 }
1030
1031
1032 /**********************************************************************
1033  *          LockResource   (KERNEL.62)
1034  */
1035 SEGPTR WINAPI WIN16_LockResource16( HGLOBAL16 handle )
1036 {
1037     TRACE("(%04x)\n", handle );
1038     /* May need to reload the resource if discarded */
1039     return K32WOWGlobalLock16( handle );
1040 }
1041
1042
1043 /**********************************************************************
1044  *          LockResource16 (KERNEL32.@)
1045  */
1046 LPVOID WINAPI LockResource16( HGLOBAL16 handle )
1047 {
1048     return MapSL( WIN16_LockResource16(handle) );
1049 }
1050
1051
1052 /**********************************************************************
1053  *          SizeofResource   (KERNEL.65)
1054  */
1055 DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
1056 {
1057     NE_MODULE *pModule = NE_GetPtr( hModule );
1058
1059     TRACE("(%x, %x)\n", hModule, hRsrc );
1060
1061     if (!hRsrc) return 0;
1062     if (!(pModule = get_module( hModule ))) return 0;
1063     if (pModule->res_table)
1064     {
1065         WORD sizeShift = *(WORD *)((char *)pModule + pModule->res_table);
1066         NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
1067         return (DWORD)pNameInfo->length << sizeShift;
1068     }
1069     if (pModule->module32)
1070     {
1071         /* 32-bit PE module */
1072         return SizeofResource( pModule->module32, MapHRsrc16To32( pModule, hRsrc ) );
1073     }
1074     return 0;
1075 }
1076
1077
1078 typedef WORD (WINAPI *pDestroyIcon32Proc)( HGLOBAL16 handle, UINT16 flags );
1079
1080 /**********************************************************************
1081  *          FreeResource     (KERNEL.63)
1082  */
1083 BOOL16 WINAPI FreeResource16( HGLOBAL16 handle )
1084 {
1085     pDestroyIcon32Proc proc;
1086     HMODULE user;
1087     NE_MODULE *pModule = NE_GetPtr( FarGetOwner16( handle ) );
1088
1089     TRACE("(%04x)\n", handle );
1090
1091     /* Try NE resource first */
1092
1093     if (pModule && pModule->res_table)
1094     {
1095         NE_TYPEINFO *pTypeInfo = (NE_TYPEINFO *)((char *)pModule + pModule->res_table + 2);
1096         while (pTypeInfo->type_id)
1097         {
1098             WORD count;
1099             NE_NAMEINFO *pNameInfo = (NE_NAMEINFO *)(pTypeInfo + 1);
1100             for (count = pTypeInfo->count; count > 0; count--)
1101             {
1102                 if (pNameInfo->handle == handle)
1103                 {
1104                     if (pNameInfo->usage > 0) pNameInfo->usage--;
1105                     if (pNameInfo->usage == 0)
1106                     {
1107                         GlobalFree16( pNameInfo->handle );
1108                         pNameInfo->handle = 0;
1109                         pNameInfo->flags &= ~NE_SEGFLAGS_LOADED;
1110                     }
1111                     return 0;
1112                 }
1113                 pNameInfo++;
1114             }
1115             pTypeInfo = (NE_TYPEINFO *)pNameInfo;
1116         }
1117     }
1118
1119     /* If this failed, call USER.DestroyIcon32; this will check
1120        whether it is a shared cursor/icon; if not it will call
1121        GlobalFree16() */
1122     user = GetModuleHandleA( "user32.dll" );
1123     if (user && (proc = (pDestroyIcon32Proc)GetProcAddress( user, "DestroyIcon32" )))
1124         return proc( handle, 1 /*CID_RESOURCE*/ );
1125     else
1126         return GlobalFree16( handle );
1127 }