Syslinux - Aug 2010 - Announcing EXT2FS lib for syslinux

Here is the initial release:

	git://github.com/donhiatt/Syslinux-EXT2FS-Library-port.git

I am very new to git so I hope I managed to get the repo setup properly.

The repo is branched from 'disklib' as I plan to use it for all disk
read/write access (I'm currently using modified gpllib/disk/* -- see
README).

Cheers,

don

-----

README for ext2fs module.

* Description
  -----------
  A sample module to exercise the EXT2FS library.

* Compiling
  ---------
  * Just type 'make' and then copy 'ext2fs.c32' to your SYSLINUX
boot
disk.

* Usage
  -----
  Usage: ext2fs.c32 /dev/hd[a-z][1-9] cmd cmd-options 
  e.g. /dev/hda1 would be the first partition of the first (discovered)
disk

  Examples:
  * Display a text file
    ext2fs.c32 /dev/hdb1 cat /root/file.txt
  * Copy a file
    ext2fs.c32 /dev/hdb1 cp /root/file.txt /root/newfile.txt
  * Display a directory
    ext2fs.c32 /dev/hdb1 ls /boot
  * Make a directory 
    ext2fs.c32 /dev/hdb1 mkdir /foo
  * Remove a file
    ext2fs.c32 /dev/hdb1 rm /root/file.txt

* WARNING, Caveat Emptor!!!
  ----------
  * Use this at YOUR OWN RISK. 

* KNOWN BUGS (As of Wed Aug 25 14:09:33 PDT 2010)
  ----------
  * SYSLINUX does cache file entries so don't write to your boot disk.
    This can be fixed in the future by exporting a SYSLINUX API to force
    it to invalidate/flush its cache.

  * For disk read/write I am currently using modified gpllib/disk/*
code.
    These changes will probably break other modules and I plan to revert
them
    when I switch to the new "disklib" branch in the very near future.

  * Under QEMU, I create a 10G image and installed Ubuntu 10.04 (EXT4)
    and can not get a directory of "/etc"

  * Copy a file uses hard-coded file permissions &755, gid=uid=0)

* Questions, comments, Bug reports (Patches appreciated!)
  -------------------------------------------------------
  * donhiatt(at)gmail(dot)com

On Wed, 2010-08-25 at 14:40 -0700, Don Hiatt wrote:
> Here is the initial release:
> 
> 	git://github.com/donhiatt/Syslinux-EXT2FS-Library-port.git
> 
> I am very new to git so I hope I managed to get the repo setup properly.
The e2fsprogs directory contains numerous files that are not needed and
I plan on removing them in a future commit. Also, I have not separated
it into 'gpllib' and 'gplinclude' directories.

Cheers,

don

On 08/25/2010 02:40 PM, Don Hiatt wrote:
> 
> * Usage
>   -----
>   Usage: ext2fs.c32 /dev/hd[a-z][1-9] cmd cmd-options 
>   e.g. /dev/hda1 would be the first partition of the first (discovered)
> disk
> 
>   Examples:
>   * Display a text file
>     ext2fs.c32 /dev/hdb1 cat /root/file.txt
>   * Copy a file
>     ext2fs.c32 /dev/hdb1 cp /root/file.txt /root/newfile.txt
>   * Display a directory
>     ext2fs.c32 /dev/hdb1 ls /boot
>   * Make a directory 
>     ext2fs.c32 /dev/hdb1 mkdir /foo
>   * Remove a file
>     ext2fs.c32 /dev/hdb1 rm /root/file.txt
> 
I would really like to see us using a standard mapping of strings to
filesystems, and that mapping needs to:

a) be compatible with what we currently have in chain.c32;
b) live in disklib.

That is, instead of /dev/hdb1 it needs to be hd1,1; and it should handle
all the various additional options -- MBR ID and so on.

For Syslinux 5.xx I intend to pull this into the core, so unifying it
now is important.

	-hpa