williamgrosset / oracle

:cd: FAT file system parser.

Overview

This project was an assignment for the Operating Systems class at the University of Victoria. The programs diskinfo and disklist will return information regarding the file system superblock, FAT, and directory content, with diskget allowing users to copy a file from the file system root directory to the current directory.

Usage

Compile

make

Clean build

make clean

Run diskinfo

Display information about the file system super block and FAT.

./diskinfo.o test.img

Sample output

Super block information:
Block size: 512
Block count: 6400
FAT starts: 2
FAT blocks: 50
Root directory start: 53
Root directory blocks: 8

FAT information:
Free Blocks: 6192
Reserved Blocks: 50
Allocated Blocks: 158

Run disklist

Display content for the file system root directory.

./disklist.o test.img /

Sample output

F        735                      mkfile.cc 2005/11/15 12:00:00
F       2560                        foo.txt 2005/11/15 12:00:00
F       3940                    disk.img.gz 2009/08/04 21:11:13

Run diskget

Copy a file from the file system root directory to the current directory. If the specified file is not found in the file system, an error message will be displayed.

./diskget.o test.img mkfile.cc foo2.txt