[ox/claw] Add missing file

deps/ox/src/ox/claw/readclaw.cpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2015 - 2023 gary@drinkingtea.net
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <cstdio>
+
+#include <ox/std/reader.hpp>
+#include <ox/std/trace.hpp>
+
+#include "claw.hpp"
+
+
+int main(int argc, char **args) {
+	if (argc > 2) {
+		oxErr("Too many arguments");
+		return -1;
+	}
+	auto const file = argc == 1 ? stdin : fopen(args[1], "r");
+	if (fseek(file, 0, SEEK_END)) {
+		oxErr("Could not get file size\n");
+		return -2;
+	}
+	auto const size = static_cast<std::size_t>(ftell(file));
+	oxDebugf("{}", size);
+	return 0;
+}