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Combined .com executable/DOS driver (Announce)

posted by Rugxulo Homepage, Usono, 14.06.2010, 04:27

> Concerning a wrapper for UPX'd SYSCOM's - there are 2 further
> complications: 1) The UPX license doesn't allow the UPX decompressor to
> be modified. 2) UPX CRC's data - however it does NOT CRC all of the SYS
> header data and appears to not care about extra bytes being added (I need
> to do some further testing).

"You can use a modified UPX version or modified UPX stub only for
programs that are compatible with the GNU General Public License."

So it's not that dire, they just want you to presumably be able to actually unpack it to its original form (esp. for using newer UPX with better compression).

 

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