4 * Copyright 1993 Robert J. Amstadt
5 * Copyright 1995 Alexandre Julliard
11 #include <sys/types.h>
17 #include "wine/winbase16.h"
18 #include "wine/exception.h"
21 #include "cursoricon.h"
25 #include "debugtools.h"
29 DEFAULT_DEBUG_CHANNEL(resource
);
31 #define HRSRC_MAP_BLOCKSIZE 16
33 typedef struct _HRSRC_ELEM
39 typedef struct _HRSRC_MAP
46 /**********************************************************************
49 static HRSRC16
MapHRsrc32To16( NE_MODULE
*pModule
, HANDLE hRsrc32
, WORD type
)
51 HRSRC_MAP
*map
= (HRSRC_MAP
*)pModule
->hRsrcMap
;
55 /* On first call, initialize HRSRC map */
58 if ( !(map
= (HRSRC_MAP
*)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
,
59 sizeof(HRSRC_MAP
) ) ) )
61 ERR("Cannot allocate HRSRC map\n" );
64 pModule
->hRsrcMap
= (LPVOID
)map
;
67 /* Check whether HRSRC32 already in map */
68 for ( i
= 0; i
< map
->nUsed
; i
++ )
69 if ( map
->elem
[i
].hRsrc
== hRsrc32
)
70 return (HRSRC16
)(i
+ 1);
72 /* If no space left, grow table */
73 if ( map
->nUsed
== map
->nAlloc
)
75 if ( !(newElem
= (HRSRC_ELEM
*)HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
,
77 (map
->nAlloc
+ HRSRC_MAP_BLOCKSIZE
)
78 * sizeof(HRSRC_ELEM
) ) ))
80 ERR("Cannot grow HRSRC map\n" );
84 map
->nAlloc
+= HRSRC_MAP_BLOCKSIZE
;
87 /* Add HRSRC32 to table */
88 map
->elem
[map
->nUsed
].hRsrc
= hRsrc32
;
89 map
->elem
[map
->nUsed
].type
= type
;
92 return (HRSRC16
)map
->nUsed
;
95 /**********************************************************************
98 static HANDLE
MapHRsrc16To32( NE_MODULE
*pModule
, HRSRC16 hRsrc16
)
100 HRSRC_MAP
*map
= (HRSRC_MAP
*)pModule
->hRsrcMap
;
101 if ( !map
|| !hRsrc16
|| (int)hRsrc16
> map
->nUsed
) return 0;
103 return map
->elem
[(int)hRsrc16
-1].hRsrc
;
106 /**********************************************************************
109 static WORD
MapHRsrc16ToType( NE_MODULE
*pModule
, HRSRC16 hRsrc16
)
111 HRSRC_MAP
*map
= (HRSRC_MAP
*)pModule
->hRsrcMap
;
112 if ( !map
|| !hRsrc16
|| (int)hRsrc16
> map
->nUsed
) return 0;
114 return map
->elem
[(int)hRsrc16
-1].type
;
118 /* filter for page-fault exceptions */
119 static WINE_EXCEPTION_FILTER(page_fault
)
121 if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION
)
122 return EXCEPTION_EXECUTE_HANDLER
;
123 return EXCEPTION_CONTINUE_SEARCH
;
126 static HRSRC
RES_FindResource2( HMODULE hModule
, LPCSTR type
,
127 LPCSTR name
, WORD lang
,
128 BOOL bUnicode
, BOOL bRet16
)
132 TRACE("(%08x, %08x%s, %08x%s, %04x, %s, %s)\n",
134 (UINT
)type
, HIWORD(type
)? (bUnicode
? debugstr_w((LPWSTR
)type
) : debugstr_a(type
)) : "",
135 (UINT
)name
, HIWORD(name
)? (bUnicode
? debugstr_w((LPWSTR
)name
) : debugstr_a(name
)) : "",
138 bRet16
? "NE" : "PE" );
140 if (!HIWORD(hModule
))
142 HMODULE16 hMod16
= MapHModuleLS( hModule
);
143 NE_MODULE
*pModule
= NE_GetPtr( hMod16
);
144 if (!pModule
) return 0;
145 if (!pModule
->module32
)
147 /* 16-bit NE module */
148 LPSTR typeStr
, nameStr
;
150 if ( HIWORD( type
) && bUnicode
)
151 typeStr
= HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR
)type
);
153 typeStr
= (LPSTR
)type
;
154 if ( HIWORD( name
) && bUnicode
)
155 nameStr
= HEAP_strdupWtoA( GetProcessHeap(), 0, (LPCWSTR
)name
);
157 nameStr
= (LPSTR
)name
;
159 hRsrc
= NE_FindResource( pModule
, nameStr
, typeStr
);
161 if ( HIWORD( type
) && bUnicode
)
162 HeapFree( GetProcessHeap(), 0, typeStr
);
163 if ( HIWORD( name
) && bUnicode
)
164 HeapFree( GetProcessHeap(), 0, nameStr
);
166 /* If we need to return 32-bit HRSRC, no conversion is necessary,
167 we simply use the 16-bit HRSRC as 32-bit HRSRC */
171 /* 32-bit PE module */
172 hRsrc
= RES_FindResource2( pModule
->module32
, type
, name
, lang
, bUnicode
, FALSE
);
173 /* If we need to return 16-bit HRSRC, perform conversion */
175 hRsrc
= MapHRsrc32To16( pModule
, hRsrc
,
176 HIWORD( type
)? 0 : LOWORD( type
) );
181 /* 32-bit PE module */
182 LPWSTR typeStr
, nameStr
;
184 if ( HIWORD( type
) && !bUnicode
)
185 typeStr
= HEAP_strdupAtoW( GetProcessHeap(), 0, type
);
187 typeStr
= (LPWSTR
)type
;
188 if ( HIWORD( name
) && !bUnicode
)
189 nameStr
= HEAP_strdupAtoW( GetProcessHeap(), 0, name
);
191 nameStr
= (LPWSTR
)name
;
193 /* Here is the real difference between FindResouce and FindResourceEx */
194 if(lang
== MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
) ||
195 lang
== MAKELANGID(LANG_NEUTRAL
, SUBLANG_DEFAULT
) ||
196 lang
== MAKELANGID(LANG_NEUTRAL
, SUBLANG_SYS_DEFAULT
) ||
197 lang
== MAKELANGID(LANG_NEUTRAL
, 3)) /* FIXME: real name? */
198 hRsrc
= PE_FindResourceW( hModule
, nameStr
, typeStr
);
200 hRsrc
= PE_FindResourceExW( hModule
, nameStr
, typeStr
, lang
);
202 if ( HIWORD( type
) && !bUnicode
)
203 HeapFree( GetProcessHeap(), 0, typeStr
);
204 if ( HIWORD( name
) && !bUnicode
)
205 HeapFree( GetProcessHeap(), 0, nameStr
);
210 /**********************************************************************
214 static HRSRC
RES_FindResource( HMODULE hModule
, LPCSTR type
,
215 LPCSTR name
, WORD lang
,
216 BOOL bUnicode
, BOOL bRet16
)
221 hRsrc
= RES_FindResource2(hModule
, type
, name
, lang
, bUnicode
, bRet16
);
225 WARN("page fault\n");
226 SetLastError(ERROR_INVALID_PARAMETER
);
233 /**********************************************************************
236 static DWORD
RES_SizeofResource( HMODULE hModule
, HRSRC hRsrc
, BOOL bRet16
)
238 if (!hRsrc
) return 0;
240 TRACE("(%08x, %08x, %s)\n", hModule
, hRsrc
, bRet16
? "NE" : "PE" );
242 if (!HIWORD(hModule
))
244 HMODULE16 hMod16
= MapHModuleLS( hModule
);
245 NE_MODULE
*pModule
= NE_GetPtr( hMod16
);
246 if (!pModule
) return 0;
248 if (!pModule
->module32
) /* 16-bit NE module */
250 /* If we got a 32-bit hRsrc, we don't need to convert it */
251 return NE_SizeofResource( pModule
, hRsrc
);
254 /* If we got a 16-bit hRsrc, convert it */
255 if (!HIWORD(hRsrc
)) hRsrc
= MapHRsrc16To32( pModule
, hRsrc
);
258 /* 32-bit PE module */
259 return PE_SizeofResource( hRsrc
);
262 /**********************************************************************
265 static HGLOBAL
RES_LoadResource( HMODULE hModule
, HRSRC hRsrc
, BOOL bRet16
)
269 TRACE("(%08x, %08x, %s)\n", hModule
, hRsrc
, bRet16
? "NE" : "PE" );
271 if (!hRsrc
) return 0;
273 if (!HIWORD(hModule
))
275 HMODULE16 hMod16
= MapHModuleLS( hModule
);
276 NE_MODULE
*pModule
= NE_GetPtr( hMod16
);
277 if (!pModule
) return 0;
278 if (!pModule
->module32
)
280 /* 16-bit NE module */
282 /* If we got a 32-bit hRsrc, we don't need to convert it */
283 hMem
= NE_LoadResource( pModule
, hRsrc
);
285 /* If we are to return a 32-bit resource, we should probably
286 convert it but we don't for now. FIXME !!! */
291 /* If we got a 16-bit hRsrc, convert it */
292 HRSRC hRsrc32
= HIWORD(hRsrc
)? hRsrc
: MapHRsrc16To32( pModule
, hRsrc
);
294 hMem
= PE_LoadResource( pModule
->module32
, hRsrc32
);
296 /* If we need to return a 16-bit resource, convert it */
299 WORD type
= MapHRsrc16ToType( pModule
, hRsrc
);
300 DWORD size
= SizeofResource( hModule
, hRsrc
);
301 LPVOID bits
= LockResource( hMem
);
303 hMem
= NE_LoadPEResource( pModule
, type
, bits
, size
);
309 /* 32-bit PE module */
310 hMem
= PE_LoadResource( hModule
, hRsrc
);
316 /**********************************************************************
317 * FindResource16 (KERNEL.60)
319 HRSRC16 WINAPI
FindResource16( HMODULE16 hModule
, LPCSTR name
, LPCSTR type
)
321 return RES_FindResource( hModule
, type
, name
,
322 MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
), FALSE
, TRUE
);
325 /**********************************************************************
326 * FindResourceA (KERNEL32.128)
328 HRSRC WINAPI
FindResourceA( HMODULE hModule
, LPCSTR name
, LPCSTR type
)
330 return RES_FindResource( hModule
, type
, name
,
331 MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
), FALSE
, FALSE
);
334 /**********************************************************************
335 * FindResourceExA (KERNEL32.129)
337 HRSRC WINAPI
FindResourceExA( HMODULE hModule
,
338 LPCSTR type
, LPCSTR name
, WORD lang
)
340 return RES_FindResource( hModule
, type
, name
,
341 lang
, FALSE
, FALSE
);
344 /**********************************************************************
345 * FindResourceExW (KERNEL32.130)
347 HRSRC WINAPI
FindResourceExW( HMODULE hModule
,
348 LPCWSTR type
, LPCWSTR name
, WORD lang
)
350 return RES_FindResource( hModule
, (LPCSTR
)type
, (LPCSTR
)name
,
354 /**********************************************************************
355 * FindResourceW (KERNEL32.131)
357 HRSRC WINAPI
FindResourceW(HINSTANCE hModule
, LPCWSTR name
, LPCWSTR type
)
359 return RES_FindResource( hModule
, (LPCSTR
)type
, (LPCSTR
)name
,
360 MAKELANGID(LANG_NEUTRAL
, SUBLANG_NEUTRAL
), TRUE
, FALSE
);
363 /**********************************************************************
364 * LoadResource16 (KERNEL.61)
366 HGLOBAL16 WINAPI
LoadResource16( HMODULE16 hModule
, HRSRC16 hRsrc
)
368 return RES_LoadResource( hModule
, hRsrc
, TRUE
);
371 /**********************************************************************
372 * LoadResource (KERNEL32.370)
374 HGLOBAL WINAPI
LoadResource( HINSTANCE hModule
, HRSRC hRsrc
)
376 return RES_LoadResource( hModule
, hRsrc
, FALSE
);
379 /**********************************************************************
380 * LockResource16 (KERNEL.62)
382 SEGPTR WINAPI
WIN16_LockResource16( HGLOBAL16 handle
)
384 TRACE("(%04x)\n", handle
);
385 /* May need to reload the resource if discarded */
386 return K32WOWGlobalLock16( handle
);
389 /**********************************************************************
390 * LockResource16 (KERNEL but also exported from KERNEL32 in Wine)
392 LPVOID WINAPI
LockResource16( HGLOBAL16 handle
)
394 return MapSL( WIN16_LockResource16(handle
) );
397 /**********************************************************************
398 * LockResource (KERNEL32.384)
400 LPVOID WINAPI
LockResource( HGLOBAL handle
)
402 TRACE("(%08x)\n", handle
);
404 if (HIWORD( handle
)) /* 32-bit memory handle */
405 return (LPVOID
)handle
;
407 /* 16-bit memory handle */
408 return LockResource16( handle
);
411 /**********************************************************************
412 * FreeResource16 (KERNEL.63)
414 BOOL16 WINAPI
FreeResource16( HGLOBAL16 handle
)
416 HGLOBAL retv
= handle
;
417 NE_MODULE
*pModule
= NE_GetPtr( FarGetOwner16( handle
) );
419 TRACE("(%04x)\n", handle
);
421 /* Try NE resource first */
422 retv
= NE_FreeResource( pModule
, handle
);
424 /* If this failed, call USER.DestroyIcon32; this will check
425 whether it is a shared cursor/icon; if not it will call
429 if ( Callout
.DestroyIcon32
)
430 retv
= Callout
.DestroyIcon32( handle
, CID_RESOURCE
);
432 retv
= GlobalFree16( handle
);
437 /**********************************************************************
438 * FreeResource (KERNEL32.145)
440 BOOL WINAPI
FreeResource( HGLOBAL handle
)
442 if (HIWORD(handle
)) return 0; /* 32-bit memory handle: nothing to do */
444 return FreeResource16( handle
);
447 /**********************************************************************
448 * SizeofResource16 (KERNEL.65)
450 DWORD WINAPI
SizeofResource16( HMODULE16 hModule
, HRSRC16 hRsrc
)
452 return RES_SizeofResource( hModule
, hRsrc
, TRUE
);
455 /**********************************************************************
456 * SizeofResource (KERNEL32.522)
458 DWORD WINAPI
SizeofResource( HINSTANCE hModule
, HRSRC hRsrc
)
460 return RES_SizeofResource( hModule
, hRsrc
, FALSE
);