Initialer Commit

CPP/Windows/DLL.h

@@ -0,0 +1,58 @@
+// Windows/DLL.h
+
+#ifndef __WINDOWS_DLL_H
+#define __WINDOWS_DLL_H
+
+#include "../Common/MyString.h"
+
+namespace NWindows {
+namespace NDLL {
+
+#ifdef UNDER_CE
+#define My_GetProcAddress(module, procName) ::GetProcAddressA(module, procName)
+#else
+#define My_GetProcAddress(module, procName) ::GetProcAddress(module, procName)
+#endif
+
+/* Win32: Don't call CLibrary::Free() and FreeLibrary() from another
+    FreeLibrary() code: detaching code in DLL entry-point or in
+    destructors of global objects in DLL module. */
+
+class CLibrary
+{
+  HMODULE _module;
+
+  // CLASS_NO_COPY(CLibrary);
+public:
+  CLibrary(): _module(NULL) {};
+  ~CLibrary() { Free(); }
+
+  operator HMODULE() const { return _module; }
+  HMODULE* operator&() { return &_module; }
+  bool IsLoaded() const { return (_module != NULL); }
+
+  void Attach(HMODULE m)
+  {
+    Free();
+    _module = m;
+  }
+  HMODULE Detach()
+  {
+    HMODULE m = _module;
+    _module = NULL;
+    return m;
+  }
+
+  bool Free() throw();
+  bool LoadEx(CFSTR path, DWORD flags = LOAD_LIBRARY_AS_DATAFILE) throw();
+  bool Load(CFSTR path) throw();
+  FARPROC GetProc(LPCSTR procName) const { return My_GetProcAddress(_module, procName); }
+};
+
+bool MyGetModuleFileName(FString &path);
+
+FString GetModuleDirPrefix();
+
+}}
+
+#endif