Initial megacommit.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/DynamicLibrary.cpp

@@ -0,0 +1,109 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include <string.h>
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#include <stdio.h>
+#endif
+
+#include "Common.h"
+#include "DynamicLibrary.h"
+
+DynamicLibrary::DynamicLibrary()
+{
+	library = 0;
+}
+
+
+bool DynamicLibrary::Load(const char* filename)
+{
+	if (strlen(filename) == 0)
+	{
+		PanicAlert("DynamicLibrary : Missing filename");
+		return(false);
+	}
+
+	if (IsLoaded())
+	{
+		PanicAlert("Trying to load already loaded library %s", filename);
+		return(false);
+	}
+
+#ifdef _WIN32
+	library = LoadLibrary(filename);
+#else
+	library = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
+
+	if (!library)
+	{
+		PanicAlert(dlerror());
+	}
+	else
+	{
+		printf("Successfully loaded %s", filename);
+	}
+#endif
+
+	return(library != 0);
+}
+
+
+void DynamicLibrary::Unload()
+{
+	if (!IsLoaded())
+	{
+		PanicAlert("Trying to unload non-loaded library");
+		return;
+	}
+
+#ifdef _WIN32
+	FreeLibrary(library);
+#else
+	dlclose(library);
+#endif
+	library = 0;
+}
+
+
+void* DynamicLibrary::Get(const char* funcname) const
+{
+	void* retval;
+#ifdef _WIN32
+	retval = GetProcAddress(library, funcname);
+
+	if (!retval)
+	{
+		// PanicAlert("Did not find function %s in DLL", funcname);
+	}
+
+	return(retval);
+
+#else
+	retval = dlsym(library, funcname);
+
+	if (!retval)
+	{
+		printf("%s\n", dlerror());
+	}
+#endif
+
+}
+
+