Hi Jerney, RS>>> I did some testing on concerning LZMA2 algorythm (and RS>>> some more for comparision). LZMA is available on GPL license RS>>> and probably LZMA can be implemented with usage of 7ZIP DLL file RS>>> as well.
Jernej>> Hint: you can't directly use code licensed under the GPL Jernej>> license in a project that is not licensed under GPL. Though Jernej>> IIRC, the LZMA library uses a far more permissive license. LZMA SDK is placed in the public domain as Simon wrote. http://www.7-zip.org/sdk.html Simon> There is the GPL and also the LGPL. LGPL allows closed source Simon> projects to use the code with a few caveats, like for example Simon> displaying the credits somewhere in the application, and a few Simon> other minor niggles that I can't remember well enough at the Simon> moment. As for 7ZIP if it's to be used as a compressing software (through exe (command line) or DLL). 1) Can I use the source code of 7-Zip in a commercial application? Since 7-Zip is licensed under the GNU LGPL you must follow the rules of that license. In brief, it means that any LGPL'ed code must remain licensed under the LGPL. For instance, you can change the code from 7-Zip or write a wrapper for some code from 7-Zip and compile it into a DLL; but, the source code of that DLL (including your modifications / additions / wrapper) must be licensed under the LGPL or GPL. Any other code in your application can be licensed as you wish. This scheme allows users and developers to change LGPL'ed code and recompile that DLL. That is the idea of free software. Read more here: http://www.gnu.org/. You can also read about the LZMA SDK, which is available under a more liberal license. 2) Can I use the EXE or DLL files from 7-Zip in a Commercial Application? Yes, but you are required to specify in your documentation (1) that you used parts of the 7-Zip program, (2) that 7-Zip is licensed under the GNU LGPL license and (3) you must give a link to www.7-zip.org, where the source code can be found. Source: http://www.7-zip.org/faq.html (1&2 are quotes from WWW) Simon> "The LZMA implementation extracted from 7-Zip is available as Simon> LZMA SDK. It was placed by Igor Pavlov in the public domain on Simon> December 2, 2008, with the release of version 4.62" True :) -- Best regards, RS ________________________________________________________ Current beta is 5.0.12.3 | 'Using TBBETA' information: http://www.silverstones.com/thebat/TBUDLInfo.html
