Module: HFSProbe
- Defined in:
- lib/fs/MiqFS/modules/HFSProbe.rb
Constant Summary collapse
- HFS_SUPER_OFFSET =
0
- HFS_MAGIC_OFFSET =
0
- HFS_MAGIC_SIZE =
2
- HFS_SUPER_MAGIC =
0x4c4b
Class Method Summary collapse
Class Method Details
.probe(dobj) ⇒ Object
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# File 'lib/fs/MiqFS/modules/HFSProbe.rb', line 7 def self.probe(dobj) return(false) unless dobj.kind_of?(MiqDisk) # Check for HFS signature in first int. dobj.seek(HFS_SUPER_OFFSET + HFS_MAGIC_OFFSET) bs = dobj.read(HFS_MAGIC_SIZE)&.unpack('S') magic = bs.nil? ? nil : bs[0] raise "HFS is Not Supported" if magic == HFS_SUPER_MAGIC # No HFS. false end |