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59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/DistinctNumeric.h>
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#include <AK/Types.h>
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namespace Kernel {
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class FileSystem;
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struct InodeMetadata;
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AK_TYPEDEF_DISTINCT_ORDERED_ID(u32, FileSystemID);
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AK_TYPEDEF_DISTINCT_ORDERED_ID(u64, InodeIndex);
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class InodeIdentifier {
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public:
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InodeIdentifier() = default;
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InodeIdentifier(FileSystemID fsid, InodeIndex inode)
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: m_fsid(fsid)
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, m_index(inode)
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{
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}
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bool is_valid() const { return m_fsid != 0 && m_index != 0; }
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FileSystemID fsid() const { return m_fsid; }
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InodeIndex index() const { return m_index; }
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bool operator==(InodeIdentifier const& other) const
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{
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return m_fsid == other.m_fsid && m_index == other.m_index;
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}
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bool operator!=(InodeIdentifier const& other) const
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{
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return m_fsid != other.m_fsid || m_index != other.m_index;
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}
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private:
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FileSystemID m_fsid { 0 };
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InodeIndex m_index { 0 };
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};
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}
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template<>
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struct AK::Formatter<Kernel::InodeIdentifier> : AK::Formatter<FormatString> {
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ErrorOr<void> format(FormatBuilder& builder, Kernel::InodeIdentifier value)
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{
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return AK::Formatter<FormatString>::format(builder, "{}:{}"sv, value.fsid(), value.index());
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}
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};
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