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Kernel: Use u64 instead of size_t for File::can_read offset

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This ensures offsets will not be truncated on large files on i686.
This commit is contained in:
Idan Horowitz 2022-01-25 20:17:49 +02:00
parent 0c630d5687
commit 9ce537d703
47 changed files with 47 additions and 47 deletions
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2
Kernel/FileSystem/AnonymousFile.h
View file

@ -25,7 +25,7 @@ public:
private:
virtual StringView class_name() const override { return "AnonymousFile"sv; }
virtual ErrorOr<NonnullOwnPtr<KString>> pseudo_path(const OpenFileDescription&) const override;
virtual bool can_read(const OpenFileDescription&, size_t) const override { return false; }
virtual bool can_read(const OpenFileDescription&, u64) const override { return false; }
virtual bool can_write(const OpenFileDescription&, size_t) const override { return false; }
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override { return ENOTSUP; }
virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return ENOTSUP; }

2
Kernel/FileSystem/FIFO.cpp
View file

@ -99,7 +99,7 @@ void FIFO::detach(Direction direction)
evaluate_block_conditions();
}
bool FIFO::can_read(const OpenFileDescription&, size_t) const
bool FIFO::can_read(const OpenFileDescription&, u64) const
{
return !m_buffer->is_empty() || !m_writers;
}

2
Kernel/FileSystem/FIFO.h
View file

@ -43,7 +43,7 @@ private:
virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
virtual ErrorOr<struct stat> stat() const override;
virtual bool can_read(const OpenFileDescription&, size_t) const override;
virtual bool can_read(const OpenFileDescription&, u64) const override;
virtual bool can_write(const OpenFileDescription&, size_t) const override;
virtual ErrorOr<NonnullOwnPtr<KString>> pseudo_path(const OpenFileDescription&) const override;
virtual StringView class_name() const override { return "FIFO"sv; }

2
Kernel/FileSystem/File.h
View file

@ -81,7 +81,7 @@ public:
virtual ErrorOr<NonnullRefPtr<OpenFileDescription>> open(int options);
virtual ErrorOr<void> close();
virtual bool can_read(const OpenFileDescription&, size_t) const = 0;
virtual bool can_read(const OpenFileDescription&, u64) const = 0;
virtual bool can_write(const OpenFileDescription&, size_t) const = 0;
virtual ErrorOr<void> attach(OpenFileDescription&);

2
Kernel/FileSystem/InodeFile.h
View file

@ -27,7 +27,7 @@ public:
const Inode& inode() const { return *m_inode; }
Inode& inode() { return *m_inode; }
virtual bool can_read(const OpenFileDescription&, size_t) const override { return true; }
virtual bool can_read(const OpenFileDescription&, u64) const override { return true; }
virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;

2
Kernel/FileSystem/InodeWatcher.cpp
View file

@ -22,7 +22,7 @@ InodeWatcher::~InodeWatcher()
(void)close();
}
bool InodeWatcher::can_read(const OpenFileDescription&, size_t) const
bool InodeWatcher::can_read(const OpenFileDescription&, u64) const
{
MutexLocker locker(m_lock);
return !m_queue.is_empty();

2
Kernel/FileSystem/InodeWatcher.h
View file

@ -44,7 +44,7 @@ public:
static ErrorOr<NonnullRefPtr<InodeWatcher>> try_create();
virtual ~InodeWatcher() override;
virtual bool can_read(const OpenFileDescription&, size_t) const override;
virtual bool can_read(const OpenFileDescription&, u64) const override;
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
// Can't write to an inode watcher.
virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }