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Kernel: Add distinct InodeIndex type

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Use the DistinctNumeric mechanism to make InodeIndex a strongly typed
integer type.
This commit is contained in:
Andreas Kling 2021-02-12 09:18:47 +01:00
parent c8a90a31b6
commit e44c1792a7
17 changed files with 63 additions and 56 deletions
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19
Kernel/FileSystem/InodeIdentifier.h
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@ -27,6 +27,7 @@
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/DistinctNumeric.h>
#include <AK/String.h>
#include <AK/Types.h>
@ -35,10 +36,12 @@ namespace Kernel {
class FS;
struct InodeMetadata;
TYPEDEF_DISTINCT_ORDERED_ID(unsigned, InodeIndex);
class InodeIdentifier {
public:
InodeIdentifier() { }
InodeIdentifier(u32 fsid, u32 inode)
InodeIdentifier(u32 fsid, InodeIndex inode)
: m_fsid(fsid)
, m_index(inode)
{
@ -47,7 +50,7 @@ public:
bool is_valid() const { return m_fsid != 0 && m_index != 0; }
u32 fsid() const { return m_fsid; }
u32 index() const { return m_index; }
InodeIndex index() const { return m_index; }
FS* fs();
const FS* fs() const;
@ -66,12 +69,12 @@ public:
private:
u32 m_fsid { 0 };
u32 m_index { 0 };
InodeIndex m_index { 0 };
};
inline const LogStream& operator<<(const LogStream& stream, const InodeIdentifier& value)
{
stream << value.fsid() << ':' << value.index();
stream << value.fsid() << ':' << value.index().value();
return stream;
}
@ -84,3 +87,11 @@ struct AK::Formatter<Kernel::InodeIdentifier> : AK::Formatter<FormatString> {
return AK::Formatter<FormatString>::format(builder, "{}:{}", value.fsid(), value.index());
}
};
template<>
struct AK::Formatter<Kernel::InodeIndex> : AK::Formatter<FormatString> {
void format(FormatBuilder& builder, Kernel::InodeIndex value)
{
return AK::Formatter<FormatString>::format(builder, "{}", value.value());
}
};