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+/*
+ This file is part of Ingen.
+ Copyright 2018 David Robillard <http://drobilla.net/>
+
+ Ingen is free software: you can redistribute it and/or modify it under the
+ terms of the GNU Affero General Public License as published by the Free
+ Software Foundation, either version 3 of the License, or any later version.
+
+ Ingen 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 Affero General Public License for details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with Ingen. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ingen/Library.hpp"
+
+#ifdef _WIN32
+# include <windows.h>
+# define dlopen(path, flags) LoadLibrary(path)
+# define dlclose(lib) FreeLibrary((HMODULE)lib)
+# define dlerror() "unknown error"
+#else
+# include <dlfcn.h>
+#endif
+
+namespace ingen {
+
+Library::Library(const FilePath& path) : _lib(dlopen(path.c_str(), RTLD_NOW))
+{}
+
+Library::~Library()
+{
+ dlclose(_lib);
+}
+
+Library::VoidFuncPtr
+Library::get_function(const char* name)
+{
+#ifdef _WIN32
+ return (VoidFuncPtr)GetProcAddress((HMODULE)_lib, name);
+#else
+ typedef VoidFuncPtr (*VoidFuncGetter)(void*, const char*);
+ VoidFuncGetter dlfunc = (VoidFuncGetter)dlsym;
+ return dlfunc(_lib, name);
+#endif
+}
+
+const char*
+Library::get_last_error()
+{
+ return dlerror();
+}
+
+} // namespace ingen