Import Mbed OS hard-float snapshot

platform/source/FileHandle.cpp

@@ -0,0 +1,35 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2019 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "platform/FileHandle.h"
+
+namespace mbed {
+
+off_t FileHandle::size()
+{
+    /* remember our current position */
+    off_t off = seek(0, SEEK_CUR);
+    if (off < 0) {
+        return off;
+    }
+    /* seek to the end to get the file length */
+    off_t size = seek(0, SEEK_END);
+    /* return to our old position */
+    seek(off, SEEK_SET);
+    return size;
+}
+
+} // namespace mbed