[libhid-discuss] Re: Re: HELP !! Gettting data from usb device using libhid

[Himanshu Bafna]

Hi

Thanks for ur licensing clarifications, which I have conveyed to my Project
Manager.

Thanks once again for all your efforts and creating such a wonderfull library.

Cheers for u Charles !!

Have a nice day.

Regards
Himanshu Bafna

--- clepple at ghz.cc <clepple at ghz.cc> wrote:
> On Sep 12, 2006, at 12:55 AM, Himanshu Bafna wrote:
> 
> > Few questions regarding GPL/LGPL licesing regarding usage if libhid/ 
> > libusb library: -
> 
> Please note that libhid is currently covered by the GPL, not the LGPL.
> 
> > 1 - What do you mean by keeping our source code as open source.
> 
>  From section 3 of the GPL:
> 
> "3.  You may copy and distribute the Program (or a work based on it,  
> under Section 2) in object code or executable form under the terms of  
> Sections 1 and 2 above provided that you also do one of the following:
> 
>      a) Accompany it with the complete corresponding machine-readable  
> source code, which must be distributed under the terms of Sections 1  
> and 2 above on a medium customarily used for software interchange; or,
>      b) Accompany it with a written offer, valid for at least three  
> years, to give any third party, for a charge no more than your cost  
> of physically performing source distribution, a complete machine- 
> readable copy of the corresponding source code, to be distributed  
> under the terms of Sections 1 and 2 above on a medium customarily  
> used for software interchange; or,
>      c) Accompany it with the information you received as to the  
> offer to distribute corresponding source code. (This alternative is  
> allowed only for noncommercial distribution and only if you received  
> the program in object code or executable form with such an offer, in  
> accord with Subsection b above.) "
> 
> In particular, that means that if you do not distribute your program  
> to me, then I do not have any rights to the source code. However,  
> your customer has the right (under the GPL) to redistribute the  
> resulting program, and if they wanted to post it on the internet,  
> they could do so, as long as they followed the redistribution terms  
> above.
> 
> Please note that this is not legal advice, and you should consult a  
> lawyer who is familiar with copyright law.
> 
> > 2 - Do we have to publish / keep our code somewhere available on  
> > internet for that
> 
> Yes, if the binary is available on the internet: http://www.gnu.org/ 
> licenses/gpl-faq.html#IfLibraryIsGPL
> 
> > 3 - Do we have to keep our whole source code as open source or only  
> > the part where we have used open source GPL libraries/ driver part...?
> 
> The whole program.
> 
> This is the major distinction between the GPL, and the LGPL.
> 
> http://www.gnu.org/licenses/gpl-faq.html#GPLInProprietarySystem
> 
> -- 
> Charles Lepple
> clepple at ghz.cc
> 
> 


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