| // Copyright 2018 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 <stdint.h> |
| |
| #include <blobfs/format.h> |
| #include <blobfs/iterator/vector-extent-iterator.h> |
| #include <fbl/vector.h> |
| #include <zircon/types.h> |
| |
| namespace blobfs { |
| |
| VectorExtentIterator::VectorExtentIterator(const fbl::Vector<ReservedExtent>& extents) |
| : extents_(extents) {} |
| |
| bool VectorExtentIterator::Done() const { |
| return extent_index_ == extents_.size(); |
| } |
| |
| zx_status_t VectorExtentIterator::Next(const Extent** out) { |
| ZX_DEBUG_ASSERT(!Done()); |
| block_count_ += extents_[extent_index_].extent().Length(); |
| *out = &extents_[extent_index_].extent(); |
| |
| extent_index_++; |
| return ZX_OK; |
| } |
| |
| uint64_t VectorExtentIterator::BlockIndex() const { |
| return block_count_; |
| } |
| |
| } // namespace blobfs |