//  Copyright (c) 2015, Facebook, Inc.  All rights reserved.
//  This source code is licensed under the BSD-style license found in the
//  LICENSE file in the root directory of this source tree. An additional grant
//  of patent rights can be found in the PATENTS file in the same directory.

#include "rocksdb/slice.h"

namespace rocksdb {

Slice::Slice(const SliceParts& parts, std::string* buf) {
  size_t length = 0;
  for (int i = 0; i < parts.num_parts; ++i) {
    length += parts.parts[i].size();
  }
  buf->reserve(length);

  for (int i = 0; i < parts.num_parts; ++i) {
    buf->append(parts.parts[i].data(), parts.parts[i].size());
  }
  data_ = buf->data();
  size_ = buf->size();
}

}  // namespace rocksdb