/**********************************************************************
* RES_SizeofResource
*/
static DWORD RES_SizeofResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
{
if (!hRsrc) return 0;
TRACE("(%08x, %08x, %s)\n", hModule, hRsrc, bRet16? "NE" : "PE" );
if (!HIWORD(hModule))
{
HMODULE16 hMod16 = MapHModuleLS( hModule );
NE_MODULE *pModule = NE_GetPtr( hMod16 );
if (!pModule) return 0;
if (!pModule->module32) /* 16-bit NE module */
{
/* If we got a 32-bit hRsrc, we don't need to convert it */
return NE_SizeofResource( pModule, hRsrc );
}
/* If we got a 16-bit hRsrc, convert it */
if (!HIWORD(hRsrc)) hRsrc = MapHRsrc16To32( pModule, hRsrc );
}
/* 32-bit PE module */
return PE_SizeofResource( hRsrc );
}
/**********************************************************************
* RES_LoadResource
*/
static HGLOBAL RES_LoadResource( HMODULE hModule, HRSRC hRsrc, BOOL bRet16 )
{
HGLOBAL hMem = 0;
TRACE("(%08x, %08x, %s)\n", hModule, hRsrc, bRet16? "NE" : "PE" );
if (!hRsrc) return 0;
if (!HIWORD(hModule))
{
HMODULE16 hMod16 = MapHModuleLS( hModule );
NE_MODULE *pModule = NE_GetPtr( hMod16 );
if (!pModule) return 0;
if (!pModule->module32)
{
/* 16-bit NE module */
/* If we got a 32-bit hRsrc, we don't need to convert it */
hMem = NE_LoadResource( pModule, hRsrc );
/* If we are to return a 32-bit resource, we should probably
convert it but we don't for now. FIXME !!! */
return hMem;
}
else
{
/* If we got a 16-bit hRsrc, convert it */
HRSRC hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
hMem = PE_LoadResource( pModule->module32, hRsrc32 );
/* If we need to return a 16-bit resource, convert it */
if ( bRet16 )
{
WORD type = MapHRsrc16ToType( pModule, hRsrc );
DWORD size = SizeofResource( hModule, hRsrc );
LPVOID bits = LockResource( hMem );
hMem = NE_LoadPEResource( pModule, type, bits, size );
}
}
}
else
{
/* 32-bit PE module */
hMem = PE_LoadResource( hModule, hRsrc );
}
return hMem;
}
/**********************************************************************
* SizeofResource (KERNEL.65)
*/
DWORD WINAPI SizeofResource16( HMODULE16 hModule, HRSRC16 hRsrc )
{
NE_MODULE *pModule = NE_GetPtr( hModule );
TRACE("(%x, %x)\n", hModule, hRsrc );
if (!hRsrc) return 0;
if (!(pModule = get_module( hModule ))) return 0;
if (pModule->ne_rsrctab)
{
WORD sizeShift = *(WORD *)((char *)pModule + pModule->ne_rsrctab);
NE_NAMEINFO *pNameInfo = (NE_NAMEINFO*)((char*)pModule + hRsrc);
return (DWORD)pNameInfo->length << sizeShift;
}
if (pModule->module32)
{
/* 32-bit PE module */
return SizeofResource( pModule->module32, MapHRsrc16To32( pModule, hRsrc ) );
}
return 0;
}
/**********************************************************************
* LoadResource (KERNEL.61)
*/
HGLOBAL16 WINAPI LoadResource16( HMODULE16 hModule, HRSRC16 hRsrc )
{
NE_TYPEINFO *pTypeInfo;
NE_NAMEINFO *pNameInfo = NULL;
NE_MODULE *pModule = get_module( hModule );
int d;
if (!hRsrc || !pModule) return 0;
if (pModule->module32)
{
/* load 32-bit resource and convert it */
HRSRC hRsrc32 = MapHRsrc16To32( pModule, hRsrc );
WORD type = MapHRsrc16ToType( pModule, hRsrc );
HGLOBAL hMem = LoadResource( pModule->module32, hRsrc32 );
DWORD size = SizeofResource( pModule->module32, hRsrc32 );
if (!hMem) return 0;
return NE_LoadPEResource( pModule, type, LockResource( hMem ), size );
}
/* first, verify hRsrc (just an offset from pModule to the needed pNameInfo) */
d = pModule->ne_rsrctab + 2;
pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
while( hRsrc > d )
{
if (pTypeInfo->type_id == 0) break; /* terminal entry */
d += sizeof(NE_TYPEINFO) + pTypeInfo->count * sizeof(NE_NAMEINFO);
if (hRsrc < d)
{
if( ((d - hRsrc)%sizeof(NE_NAMEINFO)) == 0 )
{
pNameInfo = (NE_NAMEINFO *)((char *)pModule + hRsrc);
break;
}
else break; /* NE_NAMEINFO boundary mismatch */
}
pTypeInfo = (NE_TYPEINFO *)((char *)pModule + d);
}
if (pNameInfo)
{
if (pNameInfo->handle && !(GlobalFlags16(pNameInfo->handle) & GMEM_DISCARDED))
{
pNameInfo->usage++;
TRACE(" Already loaded, new count=%d\n", pNameInfo->usage );
}
else
{
FARPROC16 resloader;
memcpy_unaligned( &resloader, &pTypeInfo->resloader, sizeof(FARPROC16) );
if (resloader && resloader != get_default_res_handler())
{
WORD args[3];
DWORD ret;
args[2] = pNameInfo->handle;
args[1] = pModule->self;
args[0] = hRsrc;
WOWCallback16Ex( (DWORD)resloader, WCB16_PASCAL, sizeof(args), args, &ret );
pNameInfo->handle = LOWORD(ret);
}
else
pNameInfo->handle = NE_DefResourceHandler( pNameInfo->handle, pModule->self, hRsrc );
if (pNameInfo->handle)
{
pNameInfo->usage++;
pNameInfo->flags |= NE_SEGFLAGS_LOADED;
}
}
return pNameInfo->handle;
}
return 0;
}
