feat: get_library_path

include/MaaUtils/Runtime.h

@@ -8,5 +8,6 @@
 MAA_NS_BEGIN
 
 MAA_UTILS_API const std::filesystem::path& library_dir();
+MAA_UTILS_API std::filesystem::path get_library_path(void* addr);
 
 MAA_NS_END

include/MaaUtils/SafeWindows.hpp

@@ -12,4 +12,5 @@
 
 #include <windows.h>
 
+#include <psapi.h>
 #include <shellapi.h>

source/Runtime/Runtime_Posix.cpp

@@ -20,6 +20,16 @@ const std::filesystem::path& library_dir()
     return s_library_dir_cache;
 }
 
+std::filesystem::path get_library_path(void* addr)
+{
+    Dl_info dl_info {};
+    if (dladdr(addr, &dl_info) == 0) {
+        return {};
+    }
+
+    return { dl_info.dli_fname };
+}
+
 void init_library_dir()
 {
     Dl_info dl_info {};

source/Runtime/Runtime_Win.cpp

@@ -16,6 +16,18 @@ const std::filesystem::path& library_dir()
     return s_library_dir_cache;
 }
 
+std::filesystem::path get_library_path(void* addr)
+{
+    WCHAR path_buf[MAX_PATH + 5];
+    DWORD path_len = GetMappedFileNameW(GetCurrentProcess(), addr, path_buf, MAX_PATH);
+
+    if (path_len == 0) {
+        return {};
+    }
+
+    return { path_buf };
+}
+
 void init_library_dir(HINSTANCE hinstDLL)
 {
     WCHAR buffer[MAX_PATH] = { 0 };