From 938e3a6a2548f0b8982107ada5726288d2cb0485 Mon Sep 17 00:00:00 2001
From: a <e>
Date: Sat, 26 Jul 2025 17:59:53 +0300
Subject: [PATCH] update steamclient stub to set return code properly

---
 steamclient/steamclient.cpp | 34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/steamclient/steamclient.cpp b/steamclient/steamclient.cpp
index a185c616..4dbbce4a 100644
--- a/steamclient/steamclient.cpp
+++ b/steamclient/steamclient.cpp
@@ -1,21 +1,37 @@
-#define WIN32_LEAN_AND_MEAN
 
-// #include "dll.h"
+#define WIN32_LEAN_AND_MEAN
 #include "Windows.h"
 
 #ifdef _WIN64
-#define DLL_NAME "steam_api64.dll"
+    #define DLL_NAME "steam_api64.dll"
 #else
-#define DLL_NAME "steam_api.dll"
+    #define DLL_NAME "steam_api.dll"
 #endif
 
-extern "C" __declspec(dllexport) void *CreateInterface(const char *pName, int *pReturnCode)
+extern "C" __declspec( dllexport )  void* __cdecl CreateInterface( const char *pName, int *pReturnCode )
 {
-    // PRINT_DEBUG("%s", pName);
+    using fn_create_interface_t = void* (__cdecl *)(const char *);
 
-    HMODULE steam_api = LoadLibraryA(DLL_NAME);
+    auto steam_api = LoadLibraryA(DLL_NAME);
+    if (!steam_api) {
+        if (pReturnCode) *pReturnCode = 0;
+        return nullptr;
+    }
 
-    void *(__stdcall * create_interface)(const char *) = reinterpret_cast<void *(__stdcall *)(const char *)>(GetProcAddress(steam_api, "SteamInternal_CreateInterface"));
+    auto create_interface = (fn_create_interface_t)GetProcAddress(steam_api, "SteamInternal_CreateInterface");
+    if (!create_interface) {
+        if (pReturnCode) *pReturnCode = 0;
+        return nullptr;
+    }
 
-    return create_interface(pName);
+    auto ptr = create_interface(pName);
+    if (pReturnCode) {
+        if (ptr) {
+            *pReturnCode = 1;
+        } else {
+            *pReturnCode = 0;
+        }
+    }
+
+    return ptr;
 }