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-rw-r--r--other-licenses/7zstub/src/CPP/Windows/DLL.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Windows/DLL.h b/other-licenses/7zstub/src/CPP/Windows/DLL.h
new file mode 100644
index 0000000000..58bcf19549
--- /dev/null
+++ b/other-licenses/7zstub/src/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