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implement FindResourceW and LoadResource

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This commit is contained in:
rjkiv 2025-08-07 11:23:34 -07:00
parent 9324825d04
commit 92f8944cf1
2 changed files with 64 additions and 5 deletions
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64
dll/kernel32.cpp
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@ -1588,17 +1588,71 @@ namespace kernel32 {
return (void*)0x100002;
}
// https://github.com/reactos/reactos/blob/master/dll/win32/kernelbase/wine/loader.c#L1090
// https://github.com/wine-mirror/wine/blob/master/dlls/kernelbase/loader.c#L1097
void* WIN_FUNC FindResourceW(void* hModule, const wchar_t* lpName, const wchar_t* lpType) {
// why do these segfault lmao
// std::string name = wideStringToString((const unsigned short *)lpName, wcslen(lpName));
// std::string type = wideStringToString((const unsigned short *)lpType, wcslen(lpType));
DEBUG_LOG("FindResourceW %p\n", hModule);
return (void*)0x100002;
char* name = nullptr;
char* type = nullptr;
if(!hModule) hModule = GetModuleHandleW(0);
if((uintptr_t)lpName >> 16 == 0){
asprintf(&name, "%u",(unsigned int)(uintptr_t)lpName);
}
else {
std::string str = wideStringToString((const unsigned short*)lpName);
name = (char*)str.c_str();
}
if((uintptr_t)lpType >> 16 == 0){
asprintf(&type, "%u",(unsigned int)(uintptr_t)lpType);
}
else {
std::string str = wideStringToString((const unsigned short*)lpType);
type = (char*)str.c_str();
}
if(name && type){
char path[512];
snprintf(path, sizeof(path), "resources/%s/%s.res", type, name);
DEBUG_LOG("Created path %s\n", path);
return fopen(path, "rb");
}
else {
free(name);
free(type);
DEBUG_LOG("Could not create path, falling back to 0x100002\n");
return (void*)0x100002;
}
}
void* WIN_FUNC LoadResource(void* hModule, void* res) {
DEBUG_LOG("LoadResource %p %p\n", hModule, res);
return (void*)0x100003;
if(!hModule || !res) return nullptr;
FILE* hRes = (FILE*)res;
long pos = ftell(hRes);
DEBUG_LOG("Pos: %d\n", pos);
fseek(hRes, 0, SEEK_END);
long size = ftell(hRes);
fseek(hRes, pos, SEEK_SET);
DEBUG_LOG("Size: %d\n", size);
if(size <= 0) return nullptr;
void* buffer = malloc(size);
if(!buffer) return nullptr;
if(fread(buffer, 1, size, hRes) != (size_t)size){
free(buffer);
return nullptr;
}
return buffer;
// return (void*)0x100003;
}
void* WIN_FUNC LockResource(void* res) {

5
dll/msvcrt.cpp
View File

@ -193,6 +193,10 @@ namespace msvcrt {
return 0;
}
void* WIN_ENTRY malloc(size_t size){
return std::malloc(size);
}
void WIN_ENTRY free(void* ptr){
std::free(ptr);
}
@ -337,6 +341,7 @@ static void *resolveByName(const char *name) {
if (strcmp(name, "__wgetmainargs") == 0) return (void*)msvcrt::__wgetmainargs;
if (strcmp(name, "setlocale") == 0) return (void*)msvcrt::setlocale;
if (strcmp(name, "_wdupenv_s") == 0) return (void*)msvcrt::_wdupenv_s;
if (strcmp(name, "malloc") == 0) return (void*)msvcrt::malloc;
if (strcmp(name, "free") == 0) return (void*)msvcrt::free;
if (strcmp(name, "_get_wpgmptr") == 0) return (void*)msvcrt::_get_wpgmptr;
if (strcmp(name, "_wsplitpath_s") == 0) return (void*)msvcrt::_wsplitpath_s;