Updating to new OTS repo from https://github.com/khaledhosny/ots.git

third_party/ots/test/file-stream.h

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef OTS_FILE_STREAM_H_
+#define OTS_FILE_STREAM_H_
+
+#include "opentype-sanitiser.h"
+
+namespace ots {
+
+// An OTSStream implementation for testing.
+class FILEStream : public OTSStream {
+ public:
+  explicit FILEStream(FILE *stream)
+      : file_(stream), position_(0) {
+  }
+
+  ~FILEStream() {
+    if (file_)
+      fclose(file_);
+  }
+
+  bool WriteRaw(const void *data, size_t length) {
+    if (!file_ || ::fwrite(data, length, 1, file_) == 1) {
+      position_ += length;
+      return true;
+    }
+    return false;
+  }
+
+  bool Seek(off_t position) {
+#if defined(_WIN32)
+    if (!file_ || !::_fseeki64(file_, position, SEEK_SET)) {
+      position_ = position;
+      return true;
+    }
+#else
+    if (!file_ || !::fseeko(file_, position, SEEK_SET)) {
+      position_ = position;
+      return true;
+    }
+#endif  // defined(_WIN32)
+    return false;
+  }
+
+  off_t Tell() const {
+    return position_;
+  }
+
+ private:
+  FILE * const file_;
+  off_t position_;
+};
+
+}  // namespace ots
+
+#endif  // OTS_FILE_STREAM_H_