fx.io: update all path parameters to be fx_values

fx.io/test/mkdir.c

@@ -11,7 +11,10 @@ int main(int argc, const char **argv)
 
 	fx_directory *dir;
 	fx_result result = fx_directory_open(
-		NULL, FX_RV_PATH(path), FX_DIRECTORY_OPEN_CREATE_INTERMEDIATE, &dir);
+		NULL,
+		FX_CSTR(path),
+		FX_DIRECTORY_OPEN_CREATE_INTERMEDIATE,
+		&dir);
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;

fx.io/test/rmdir.c

@@ -9,7 +9,7 @@ int main(int argc, const char **argv)
 	const char *path = argv[1];
 
 	fx_directory *dir;
-	fx_result result = fx_directory_open(NULL, FX_RV_PATH(path), 0, &dir);
+	fx_result result = fx_directory_open(NULL, FX_CSTR(path), 0, &dir);
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;

fx.io/test/streams.c

@@ -6,10 +6,9 @@
 int main(int argc, const char **argv)
 {
 	fx_file *dest;
-	fx_path *path = fx_path_create_from_cstr("data.txt");
 	fx_result result = fx_file_open(
 		NULL,
-		path,
+		FX_CSTR("data.txt"),
 		FX_FILE_WRITE_ONLY | FX_FILE_CREATE,
 		&dest);
 	if (fx_result_is_error(result)) {
@@ -23,7 +22,6 @@ int main(int argc, const char **argv)
 
 	printf("done. read %zu bytes total.\n", nr_read);
 
-	fx_path_unref(path);
 	fx_file_unref(dest);
 	return 0;
 }

fx.io/test/tree.c

@@ -12,17 +12,19 @@ int main(int argc, const char **argv)
 	}
 
 	fx_directory *dir = NULL;
-	fx_path *path = fx_path_create_from_cstr(argv[1]);
-	fx_result result = fx_directory_open(FX_DIRECTORY_ROOT, path, 0, &dir);
+	fx_result result = fx_directory_open(
+		FX_DIRECTORY_ROOT,
+		FX_CSTR(argv[1]),
+		0,
+		&dir);
 
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;
 	}
 
-	fx_iterator *it = fx_directory_begin(
-		dir,
-		FX_DIRECTORY_ITERATE_PARENT_FIRST);
+	fx_iterator *it
+		= fx_directory_begin(dir, FX_DIRECTORY_ITERATE_PARENT_FIRST);
 	fx_foreach(val, it)
 	{
 		fx_directory_entry *entry = NULL;