4 * Copyright 1993 Robert J. Amstadt
5 * Copyright 1995 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/port.h"
28 #include <sys/types.h>
36 #include "wine/winbase16.h"
37 #include "wine/exception.h"
39 #include "cursoricon.h"
42 #include "wine/debug.h"
45 #include "msvcrt/excpt.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(resource
);
49 #define HRSRC_MAP_BLOCKSIZE 16
51 /* handle conversions */
52 #define HRSRC_32(h16) ((HRSRC)(ULONG_PTR)(h16))
54 typedef struct _HRSRC_ELEM
60 typedef struct _HRSRC_MAP
67 /**********************************************************************
70 static HRSRC
MapHRsrc32To16( NE_MODULE
*pModule
, HRSRC hRsrc32
, WORD type
)
72 HRSRC_MAP
*map
= (HRSRC_MAP
*)pModule
->hRsrcMap
;
76 /* On first call, initialize HRSRC map */
79 if ( !(map
= (HRSRC_MAP
*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
,
80 sizeof(HRSRC_MAP
) ) ) )
82 ERR("Cannot allocate HRSRC map\n" );
85 pModule
->hRsrcMap
= (LPVOID
)map
;
88 /* Check whether HRSRC32 already in map */
89 for ( i
= 0; i
< map
->nUsed
; i
++ )
90 if ( map
->elem
[i
].hRsrc
== hRsrc32
)
91 return (HRSRC
)(i
+ 1);
93 /* If no space left, grow table */
94 if ( map
->nUsed
== map
->nAlloc
)
96 if ( !(newElem
= (HRSRC_ELEM
*)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
,
98 (map
->nAlloc
+ HRSRC_MAP_BLOCKSIZE
)
99 * sizeof(HRSRC_ELEM
) ) ))
101 ERR("Cannot grow HRSRC map\n" );
105 map
->nAlloc
+= HRSRC_MAP_BLOCKSIZE
;
108 /* Add HRSRC32 to table */
109 map
->elem
[map
->nUsed
].hRsrc
= hRsrc32
;
110 map
->elem
[map
->nUsed
].type
= type
;
113 return (HRSRC
)map
->nUsed
;
116 /**********************************************************************
119 static HRSRC
MapHRsrc16To32( NE_MODULE
*pModule
, HRSRC hRsrc16
)
121 HRSRC_MAP
*map
= (HRSRC_MAP
*)pModule
->hRsrcMap
;
122 if ( !map
|| !hRsrc16
|| (int)hRsrc16
> map
->nUsed
) return 0;
124 return map
->elem
[(int)hRsrc16
-1].hRsrc
;
127 /**********************************************************************
130 static WORD
MapHRsrc16ToType( NE_MODULE
*pModule
, HRSRC hRsrc16
)
132 HRSRC_MAP
*map
= (HRSRC_MAP
*)pModule
->hRsrcMap
;
133 if ( !map
|| !hRsrc16
|| (int)hRsrc16
> map
->nUsed
) return 0;
135 return map
->elem
[(int)hRsrc16
-1].type
;
139 /* filter for page-fault exceptions */
140 static WINE_EXCEPTION_FILTER(page_fault
)
142 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION
)
143 return EXCEPTION_EXECUTE_HANDLER
;
144 return EXCEPTION_CONTINUE_SEARCH
;
147 static HRSRC
RES_FindResource2( HMODULE hModule
, LPCSTR type
,
148 LPCSTR name
, WORD lang
,
149 BOOL bUnicode
, BOOL bRet16
)
153 TRACE("(%08x, %08x%s, %08x%s, %04x, %s, %s)\n",
155 (UINT
)type
, HIWORD(type
)? (bUnicode
? debugstr_w((LPWSTR
)type
) : debugstr_a(type
)) : "",
156 (UINT
)name
, HIWORD(name
)? (bUnicode
? debugstr_w((LPWSTR
)name
) : debugstr_a(name
)) : "",
159 bRet16
? "NE" : "PE" );
161 if (!HIWORD(hModule
))
163 HMODULE16 hMod16
= MapHModuleLS( hModule
);
164 NE_MODULE
*pModule
= NE_GetPtr( hMod16
);
165 if (!pModule
) return 0;
166 if (!pModule
->module32
)
168 /* 16-bit NE module */
169 LPSTR typeStr
, nameStr
;
171 if ( HIWORD( type
) && bUnicode
)
172 typeStr
= HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR
)type
);
174 typeStr
= (LPSTR
)type
;
175 if ( HIWORD( name
) && bUnicode
)
176 nameStr
= HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR
)name
);
178 nameStr
= (LPSTR
)name
;
180 hRsrc
= NE_FindResource( pModule
, nameStr
, typeStr
);
182 if ( HIWORD( type
) && bUnicode
)
183 HeapFree( GetProcessHeap(), 0, typeStr
);
184 if ( HIWORD( name
) && bUnicode
)
185 HeapFree( GetProcessHeap(), 0, nameStr
);
187 /* If we need to return 32-bit HRSRC, no conversion is necessary,
188 we simply use the 16-bit HRSRC as 32-bit HRSRC */
192 /* 32-bit PE module */
193 hRsrc
= RES_FindResource2( pModule
->module32
, type
, name
, lang
, bUnicode
, FALSE
);
194 /* If we need to return 16-bit HRSRC, perform conversion */
196 hRsrc
= MapHRsrc32To16( pModule
, hRsrc
,
197 HIWORD( type
)? 0 : LOWORD( type
) );
202 /* 32-bit PE module */
203 LPWSTR typeStr
, nameStr
;
205 if ( HIWORD( type
) && !bUnicode
)
206 typeStr
= HEAP_strdupAtoW( GetProcessHeap(), 0, type
);
208 typeStr
= (LPWSTR
)type
;
209 if ( HIWORD( name
) && !bUnicode
)
210 nameStr
= HEAP_strdupAtoW( GetProcessHeap(), 0, name
);
212 nameStr
= (LPWSTR
)name
;
214 /* Here is the real difference between FindResouce and FindResourceEx */
215 if(lang
== MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
) ||
216 lang
== MAKELANGID(LANG_NEUTRAL
, SUBLANG_DEFAULT
) ||
217 lang
== MAKELANGID(LANG_NEUTRAL
, SUBLANG_SYS_DEFAULT
) ||
218 lang
== MAKELANGID(LANG_NEUTRAL
, 3)) /* FIXME: real name? */
219 hRsrc
= PE_FindResourceW( hModule
, nameStr
, typeStr
);
221 hRsrc
= PE_FindResourceExW( hModule
, nameStr
, typeStr
, lang
);
223 if ( HIWORD( type
) && !bUnicode
)
224 HeapFree( GetProcessHeap(), 0, typeStr
);
225 if ( HIWORD( name
) && !bUnicode
)
226 HeapFree( GetProcessHeap(), 0, nameStr
);
231 /**********************************************************************
235 static HRSRC
RES_FindResource( HMODULE hModule
, LPCSTR type
,
236 LPCSTR name
, WORD lang
,
237 BOOL bUnicode
, BOOL bRet16
)
242 hRsrc
= RES_FindResource2(hModule
, type
, name
, lang
, bUnicode
, bRet16
);
246 WARN("page fault\n");
247 SetLastError(ERROR_INVALID_PARAMETER
);
254 /**********************************************************************
257 static DWORD
RES_SizeofResource( HMODULE hModule
, HRSRC hRsrc
, BOOL bRet16
)
259 if (!hRsrc
) return 0;
261 TRACE("(%08x, %08x, %s)\n", hModule
, hRsrc
, bRet16
? "NE" : "PE" );
263 if (!HIWORD(hModule
))
265 HMODULE16 hMod16
= MapHModuleLS( hModule
);
266 NE_MODULE
*pModule
= NE_GetPtr( hMod16
);
267 if (!pModule
) return 0;
269 if (!pModule
->module32
) /* 16-bit NE module */
271 /* If we got a 32-bit hRsrc, we don't need to convert it */
272 return NE_SizeofResource( pModule
, hRsrc
);
275 /* If we got a 16-bit hRsrc, convert it */
276 if (!HIWORD(hRsrc
)) hRsrc
= MapHRsrc16To32( pModule
, hRsrc
);
279 /* 32-bit PE module */
280 return PE_SizeofResource( hRsrc
);
283 /**********************************************************************
286 static HGLOBAL
RES_LoadResource( HMODULE hModule
, HRSRC hRsrc
, BOOL bRet16
)
290 TRACE("(%08x, %08x, %s)\n", hModule
, hRsrc
, bRet16
? "NE" : "PE" );
292 if (!hRsrc
) return 0;
294 if (!HIWORD(hModule
))
296 HMODULE16 hMod16
= MapHModuleLS( hModule
);
297 NE_MODULE
*pModule
= NE_GetPtr( hMod16
);
298 if (!pModule
) return 0;
299 if (!pModule
->module32
)
301 /* 16-bit NE module */
303 /* If we got a 32-bit hRsrc, we don't need to convert it */
304 hMem
= NE_LoadResource( pModule
, LOWORD(hRsrc
) );
306 /* If we are to return a 32-bit resource, we should probably
307 convert it but we don't for now. FIXME !!! */
312 /* If we got a 16-bit hRsrc, convert it */
313 HRSRC hRsrc32
= HIWORD(hRsrc
)? hRsrc
: MapHRsrc16To32( pModule
, hRsrc
);
315 hMem
= PE_LoadResource( pModule
->module32
, hRsrc32
);
317 /* If we need to return a 16-bit resource, convert it */
320 WORD type
= MapHRsrc16ToType( pModule
, hRsrc
);
321 DWORD size
= SizeofResource( hModule
, hRsrc
);
322 LPVOID bits
= LockResource( hMem
);
324 hMem
= NE_LoadPEResource( pModule
, type
, bits
, size
);
330 /* 32-bit PE module */
331 hMem
= PE_LoadResource( hModule
, hRsrc
);
337 /**********************************************************************
338 * FindResource (KERNEL.60)
340 HRSRC16 WINAPI
FindResource16( HMODULE16 hModule
, LPCSTR name
, LPCSTR type
)
342 return LOWORD( RES_FindResource( hModule
, type
, name
,
343 MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
), FALSE
, TRUE
) );
346 /**********************************************************************
347 * FindResourceA (KERNEL32.@)
349 HRSRC WINAPI
FindResourceA( HMODULE hModule
, LPCSTR name
, LPCSTR type
)
351 return RES_FindResource( hModule
, type
, name
,
352 MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
), FALSE
, FALSE
);
355 /**********************************************************************
356 * FindResourceExA (KERNEL32.@)
358 HRSRC WINAPI
FindResourceExA( HMODULE hModule
,
359 LPCSTR type
, LPCSTR name
, WORD lang
)
361 return RES_FindResource( hModule
, type
, name
,
362 lang
, FALSE
, FALSE
);
365 /**********************************************************************
366 * FindResourceExW (KERNEL32.@)
368 HRSRC WINAPI
FindResourceExW( HMODULE hModule
,
369 LPCWSTR type
, LPCWSTR name
, WORD lang
)
371 return RES_FindResource( hModule
, (LPCSTR
)type
, (LPCSTR
)name
,
375 /**********************************************************************
376 * FindResourceW (KERNEL32.@)
378 HRSRC WINAPI
FindResourceW(HINSTANCE hModule
, LPCWSTR name
, LPCWSTR type
)
380 return RES_FindResource( hModule
, (LPCSTR
)type
, (LPCSTR
)name
,
381 MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
), TRUE
, FALSE
);
384 /**********************************************************************
385 * LoadResource (KERNEL.61)
387 HGLOBAL16 WINAPI
LoadResource16( HMODULE16 hModule
, HRSRC16 hRsrc
)
389 return RES_LoadResource( hModule
, HRSRC_32(hRsrc
), TRUE
);
392 /**********************************************************************
393 * LoadResource (KERNEL32.@)
395 HGLOBAL WINAPI
LoadResource( HINSTANCE hModule
, HRSRC hRsrc
)
397 return RES_LoadResource( hModule
, hRsrc
, FALSE
);
400 /**********************************************************************
401 * LockResource (KERNEL.62)
403 SEGPTR WINAPI
WIN16_LockResource16( HGLOBAL16 handle
)
405 TRACE("(%04x)\n", handle
);
406 /* May need to reload the resource if discarded */
407 return K32WOWGlobalLock16( handle
);
410 /**********************************************************************
411 * LockResource16 (KERNEL32.@)
413 LPVOID WINAPI
LockResource16( HGLOBAL16 handle
)
415 return MapSL( WIN16_LockResource16(handle
) );
418 /**********************************************************************
419 * LockResource (KERNEL32.@)
421 LPVOID WINAPI
LockResource( HGLOBAL handle
)
423 TRACE("(%08x)\n", handle
);
425 if (HIWORD( handle
)) /* 32-bit memory handle */
426 return (LPVOID
)handle
;
428 /* 16-bit memory handle */
429 return LockResource16( LOWORD(handle
) );
432 typedef WORD (WINAPI
*pDestroyIcon32Proc
)( HGLOBAL16 handle
, UINT16 flags
);
435 /**********************************************************************
436 * FreeResource (KERNEL.63)
438 BOOL16 WINAPI
FreeResource16( HGLOBAL16 handle
)
440 HGLOBAL16 retv
= handle
;
441 NE_MODULE
*pModule
= NE_GetPtr( FarGetOwner16( handle
) );
443 TRACE("(%04x)\n", handle
);
445 /* Try NE resource first */
446 retv
= NE_FreeResource( pModule
, handle
);
448 /* If this failed, call USER.DestroyIcon32; this will check
449 whether it is a shared cursor/icon; if not it will call
453 pDestroyIcon32Proc proc
;
454 HMODULE user
= GetModuleHandleA( "user32.dll" );
456 if (user
&& (proc
= (pDestroyIcon32Proc
)GetProcAddress( user
, "DestroyIcon32" )))
457 retv
= proc( handle
, CID_RESOURCE
);
459 retv
= GlobalFree16( handle
);
464 /**********************************************************************
465 * FreeResource (KERNEL32.@)
467 BOOL WINAPI
FreeResource( HGLOBAL handle
)
469 if (HIWORD(handle
)) return 0; /* 32-bit memory handle: nothing to do */
471 return FreeResource16( LOWORD(handle
) );
474 /**********************************************************************
475 * SizeofResource (KERNEL.65)
477 DWORD WINAPI
SizeofResource16( HMODULE16 hModule
, HRSRC16 hRsrc
)
479 return RES_SizeofResource( hModule
, HRSRC_32(hRsrc
), TRUE
);
482 /**********************************************************************
483 * SizeofResource (KERNEL32.@)
485 DWORD WINAPI
SizeofResource( HINSTANCE hModule
, HRSRC hRsrc
)
487 return RES_SizeofResource( hModule
, hRsrc
, FALSE
);