1 files changed, 62 insertions, 0 deletions
diff --git a/common/dynload.cpp b/common/dynload.cpp
new file mode 100644
index 00000000..89824f78
--- /dev/null
+++ b/common/dynload.cpp
@@ -0,0 +1,62 @@
+
+#include "config.h"
+
+#include "dynload.h"
+
+
+#ifdef _WIN32
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <string>
+
+inline std::wstring utf8_to_wstr(const char *str)
+{
+    std::wstring ret;
+
+    int len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
+    if(len > 0)
+    {
+        ret.resize(len);
+        MultiByteToWideChar(CP_UTF8, 0, str, -1, &ret[0], len);
+        ret.pop_back();
+    }
+
+    return ret;
+}
+
+void *LoadLib(const char *name)
+{
+    std::wstring wname{utf8_to_wstr(name)};
+    return LoadLibraryW(wname.c_str());
+}
+void CloseLib(void *handle)
+{ FreeLibrary(static_cast<HMODULE>(handle)); }
+void *GetSymbol(void *handle, const char *name)
+{ return reinterpret_cast<void*>(GetProcAddress(static_cast<HMODULE>(handle), name)); }
+
+#elif defined(HAVE_DLFCN_H)
+
+#include <dlfcn.h>
+
+void *LoadLib(const char *name)
+{
+    dlerror();
+    void *handle{dlopen(name, RTLD_NOW)};
+    const char *err{dlerror()};
+    if(err) handle = nullptr;
+    return handle;
+}
+void CloseLib(void *handle)
+{ dlclose(handle); }
+void *GetSymbol(void *handle, const char *name)
+{
+    dlerror();
+    void *sym{dlsym(handle, name)};
+    const char *err{dlerror()};
+    if(err) sym = nullptr;
+    return sym;
+}
+
+#endif