1 files changed, 87 insertions, 0 deletions
diff --git a/libs/archive/src/compat.h b/libs/archive/src/compat.h
new file mode 100644
index 0000000..65c2ec5
--- /dev/null
+++ b/libs/archive/src/compat.h
@@ -0,0 +1,87 @@
+/*
+Mod Organizer archive handling - Linux compatibility header
+
+Copyright (C) 2024 MO2 Team. All rights reserved.
+
+This header provides Windows COM compatibility types for Linux builds.
+On Windows, the real Windows headers are used instead.
+*/
+
+#ifndef ARCHIVE_COMPAT_H
+#define ARCHIVE_COMPAT_H
+
+#ifdef _WIN32
+
+#include <Unknwn.h>
+#include <atlbase.h>
+#include <initguid.h>
+#include <guiddef.h>
+#include <PropIdl.h>
+
+#else // Linux
+
+#include <Common/MyWindows.h>
+#include <cstring>
+
+// PropVariantInit / PropVariantClear - map to VariantClear from 7zip SDK
+inline HRESULT PropVariantInit(PROPVARIANT* pvar) {
+  pvar->vt = VT_EMPTY;
+  return S_OK;
+}
+
+inline HRESULT PropVariantClear(PROPVARIANT* pvar) {
+  return VariantClear(pvar);
+}
+
+// A minimal CComPtr replacement for Linux
+template <class T>
+class CComPtr
+{
+public:
+  CComPtr() : p(nullptr) {}
+  CComPtr(T* lp) : p(lp) { if (p) p->AddRef(); }
+  CComPtr(const CComPtr<T>& other) : p(other.p) { if (p) p->AddRef(); }
+  ~CComPtr() { Release(); }
+
+  CComPtr& operator=(T* lp) {
+    if (lp) lp->AddRef();
+    Release();
+    p = lp;
+    return *this;
+  }
+
+  CComPtr& operator=(const CComPtr<T>& other) {
+    if (this != &other) {
+      if (other.p) other.p->AddRef();
+      Release();
+      p = other.p;
+    }
+    return *this;
+  }
+
+  void Release() {
+    if (p) {
+      p->Release();
+      p = nullptr;
+    }
+  }
+
+  T* Detach() {
+    T* pt = p;
+    p = nullptr;
+    return pt;
+  }
+
+  operator T*() const { return p; }
+  T* operator->() const { return p; }
+  T** operator&() { return &p; }
+  bool operator!() const { return p == nullptr; }
+  bool operator==(std::nullptr_t) const { return p == nullptr; }
+  bool operator!=(std::nullptr_t) const { return p != nullptr; }
+
+  T* p;
+};
+
+#endif // _WIN32
+
+#endif // ARCHIVE_COMPAT_H