New entry fix and ls cleanup

zanesterling / fatr

A FAT12 parsing and manipulation tool

MIT License

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New entry fix and ls cleanup #9

Closed kallisti5 closed 7 years ago

kallisti5 commented 7 years ago

A few things here:

Work to solve bug adding new files into image. root_entries was filtering out unused entries, thus none are ever free. We solve this by adding a new function which includes all root entries (used or otherwise)
Add function to pluck out volume_label from image.
Some cleanup around the ls output to make it more like dos. Still need to decode dates + times.

kallisti5 commented 7 years ago

$ ../target/debug/fatr ls ~/fat16.img 
 Volume TESTVOLUME 
 Volume has 512 bytes per sector

    0 File(s)       0 bytes

$ ../target/debug/fatr ls ~/fat12.img 
 Volume Aerror
 Volume has 512 bytes per sector

19211   26848   85140       ERROR.PNG
    1 File(s)       85140 bytes

zanesterling commented 7 years ago

lgtm 😄