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Add support for removing directories.
It's really only supported in Ext2FS since SynthFS doesn't really want you mucking around with its files. This is pretty neat though :^) I ran into some trouble with HashMap while working on this but opted to work around it and leave that for a separate investigation.
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031c62a21e
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c95228b128
19 changed files with 185 additions and 40 deletions
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@ -78,16 +78,17 @@ public:
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InodeIdentifier identifier() const { return { fsid(), index() }; }
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virtual InodeMetadata metadata() const = 0;
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ByteBuffer read_entire(FileDescriptor* = nullptr);
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ByteBuffer read_entire(FileDescriptor* = nullptr) const;
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virtual ssize_t read_bytes(off_t, size_t, byte* buffer, FileDescriptor*) = 0;
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virtual bool traverse_as_directory(Function<bool(const FS::DirectoryEntry&)>) = 0;
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virtual ssize_t read_bytes(off_t, size_t, byte* buffer, FileDescriptor*) const = 0;
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virtual bool traverse_as_directory(Function<bool(const FS::DirectoryEntry&)>) const = 0;
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virtual InodeIdentifier lookup(const String& name) = 0;
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virtual String reverse_lookup(InodeIdentifier) = 0;
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virtual ssize_t write_bytes(off_t, size_t, const byte* data, FileDescriptor*) = 0;
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virtual bool add_child(InodeIdentifier child_id, const String& name, byte file_type, int& error) = 0;
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virtual bool remove_child(const String& name, int& error) = 0;
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virtual RetainPtr<Inode> parent() const = 0;
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virtual size_t directory_entry_count() const = 0;
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bool is_metadata_dirty() const { return m_metadata_dirty; }
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@ -109,7 +110,7 @@ protected:
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Inode(FS& fs, unsigned index);
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void set_metadata_dirty(bool b) { m_metadata_dirty = b; }
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Lock m_lock;
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mutable Lock m_lock;
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private:
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FS& m_fs;
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