Caleb Gardner
29 lines
901 B
Go
29 lines
901 B
Go
package squashfslow
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import (
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"github.com/CalebQ42/squashfs/internal/metadata"
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"github.com/CalebQ42/squashfs/internal/toreader"
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"github.com/CalebQ42/squashfs/low/directory"
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"github.com/CalebQ42/squashfs/low/inode"
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)
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type InodeRef = uint64
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func (r Reader) InodeFromRef(ref InodeRef) (inode.Inode, error) {
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offset, meta := (ref>>16)+r.Superblock.InodeTableStart, ref&0xFFFF
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rdr := metadata.NewReader(toreader.NewReader(r.r, int64(offset)), r.d)
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defer rdr.Close()
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_, err := rdr.Read(make([]byte, meta))
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if err != nil {
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return inode.Inode{}, err
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}
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return inode.Read(&rdr, r.Superblock.BlockSize)
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}
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func (r Reader) InodeFromEntry(e directory.Entry) (inode.Inode, error) {
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rdr := metadata.NewReader(toreader.NewReader(r.r, int64(r.Superblock.InodeTableStart)+int64(e.BlockStart)), r.d)
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defer rdr.Close()
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rdr.Read(make([]byte, e.Offset))
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return inode.Read(&rdr, r.Superblock.BlockSize)
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}
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