blob: 1f40db9352e1af10f844ad442ee27814c830b1e2 [file] [log] [blame]
// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <lib/fit/result.h>
#include <string>
#include <fbl/span.h>
namespace storage::volume_image {
// Provides a reader interface to abstract platform, and devices particular nuisance to the image
// process.
// The reader requires an explicit offset, to allow compatibility with non posix interfaces, such as
// MTD.
class Writer {
virtual ~Writer() = default;
// On success data backing this writer is updated at [|offset|, |offset| +
// |buffer.size()|] to |buffer|.
// On error the returned result to contains a string describing the error.
virtual fit::result<void, std::string> Write(uint64_t offset,
fbl::Span<const uint8_t> buffer) = 0;
} // namespace storage::volume_image