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sfs's Introduction

Program SFS simulates a Simple File System.

To use SFS (under Linux)
1. execute "make" in terminal to compile SFS
2. 
1) execute "./diskinfo <disk image>" in terminal to display information about the file system
2) execute "./disklist <disk image>" in terminal to display contents of root directory in the file system
3) execute "./diskget <disk image> <filename>" in terminal to copy a file from the file system to the currect directory
4) execute "./diskput <disk image> <filename>" in terminal to copy a file from the currect directory into the root directory of the file system

sfs's People

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sfs's Issues

broken diskput

After putting file into disk, can't get correct file using diskget. Maybe something wrong with the FAT.

lack of filename error handling

Current code assumes user will input filename (and extension) in correct format, which means code doesn't handle wrong input like "filename1.txt". If input format doesn't match the requirement of FAT12, no error message will be given and unpredicted behaviour may occur. See FAT12 Description about desired filename and extension.

segmentation fault when getting pdf, for other files, program freezes

hanhans-MBP:SFS fanfan$ ./diskget disk.IMA P3.PDF
curr file: ANS1.PDF
curr file: REMINDER.TXT
curr file: ICEBERGS.TEX
curr file: P3.PDF
before return
file_size: 133376
before file size
curr file: ANS1.PDF
curr file: REMINDER.TXT
curr file: ICEBERGS.TEX
curr file: P3.PDF
before return
file_size: 133376
Segmentation fault: 11
hanhans-MBP:SFS fanfan$ ./diskget disk.IMA REMINDER.TXT
curr file: ANS1.PDF
curr file: REMINDER.TXT
before return
file_size: 68
before file size
curr file: ANS1.PDF
curr file: REMINDER.TXT
before return
file_size: 68
^C
hanhans-MBP:SFS fanfan$ ./diskget disk.IMA ANS1.PDF
curr file: ANS1.PDF
before return
file_size: 49794
before file size
curr file: ANS1.PDF
before return
file_size: 49794
^C

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