Initial community commit

Src/Wasabi/bfc/loadlib.cpp

@@ -0,0 +1,85 @@
+#include "precomp_wasabi_bfc.h"
+
+#include "loadlib.h"
+
+#if !defined(WIN32) && !defined(LINUX)
+#error port me
+#endif
+
+Library::Library(const wchar_t *filename) : NamedW(filename)
+{
+	lib = NULL;
+}
+
+Library::~Library()
+{
+	unload();
+}
+
+int Library::load(const wchar_t *newname)
+{
+	if (lib != NULL && newname == NULL) 
+		return 1;
+	unload();
+	if (newname != NULL) 
+		setName(newname);
+
+	const wchar_t *n = getName();
+	ASSERT(n != NULL);
+#ifdef WIN32
+	__try {
+	    lib = LoadLibraryW(n);
+	} __except(EXCEPTION_EXECUTE_HANDLER)
+	{
+		// stupid DLL
+		lib = NULL;
+		OutputDebugString(L"exception while loading dll");
+		OutputDebugStringW(newname);
+		OutputDebugString(L"\n");
+	}
+#elif defined(LINUX)
+	// Not using string to try to not use common/wasabi in Studio.exe
+	char *conv = _strdup( getName() );
+	int len = strlen( conv );
+	if ( ! strcasecmp( conv + len - 4, ".dll" ) )
+	{
+		strcpy( conv + len - 4, ".so" );
+	}
+
+	lib = dlopen(conv, RTLD_LAZY);
+
+	free( conv );
+#else
+#error port me!
+#endif
+	if (lib == NULL) return 0;
+	return 1;
+}
+
+void Library::unload()
+{
+	if (lib != NULL)
+	{
+#ifdef WIN32
+		FreeLibrary(lib);
+#elif defined(LINUX)
+		dlclose(lib);
+#else
+#error port me!
+#endif
+
+	}
+	lib = NULL;
+}
+
+void *Library::getProcAddress(const char *procname)
+{
+	ASSERT(procname != NULL);
+#if defined(WIN32)
+	return GetProcAddress(lib, procname);
+#elif defined(LINUX)
+	return dlsym(lib, procname);
+#else
+#error port me!
+#endif
+}