benoit@0: GNU GENERAL PUBLIC LICENSE benoit@0: Version 2, June 1991 benoit@0: benoit@0: Copyright (C) 1989, 1991 Free Software Foundation, Inc., benoit@0: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA benoit@0: Everyone is permitted to copy and distribute verbatim copies benoit@0: of this license document, but changing it is not allowed. benoit@0: benoit@0: Preamble benoit@0: benoit@0: The licenses for most software are designed to take away your benoit@0: freedom to share and change it. By contrast, the GNU General Public benoit@0: License is intended to guarantee your freedom to share and change free benoit@0: software--to make sure the software is free for all its users. This benoit@0: General Public License applies to most of the Free Software benoit@0: Foundation's software and to any other program whose authors commit to benoit@0: using it. (Some other Free Software Foundation software is covered by benoit@0: the GNU Lesser General Public License instead.) You can apply it to benoit@0: your programs, too. benoit@0: benoit@0: When we speak of free software, we are referring to freedom, not benoit@0: price. Our General Public Licenses are designed to make sure that you benoit@0: have the freedom to distribute copies of free software (and charge for benoit@0: this service if you wish), that you receive source code or can get it benoit@0: if you want it, that you can change the software or use pieces of it benoit@0: in new free programs; and that you know you can do these things. benoit@0: benoit@0: To protect your rights, we need to make restrictions that forbid benoit@0: anyone to deny you these rights or to ask you to surrender the rights. benoit@0: These restrictions translate to certain responsibilities for you if you benoit@0: distribute copies of the software, or if you modify it. benoit@0: benoit@0: For example, if you distribute copies of such a program, whether benoit@0: gratis or for a fee, you must give the recipients all the rights that benoit@0: you have. You must make sure that they, too, receive or can get the benoit@0: source code. And you must show them these terms so they know their benoit@0: rights. benoit@0: benoit@0: We protect your rights with two steps: (1) copyright the software, and benoit@0: (2) offer you this license which gives you legal permission to copy, benoit@0: distribute and/or modify the software. benoit@0: benoit@0: Also, for each author's protection and ours, we want to make certain benoit@0: that everyone understands that there is no warranty for this free benoit@0: software. If the software is modified by someone else and passed on, we benoit@0: want its recipients to know that what they have is not the original, so benoit@0: that any problems introduced by others will not reflect on the original benoit@0: authors' reputations. benoit@0: benoit@0: Finally, any free program is threatened constantly by software benoit@0: patents. We wish to avoid the danger that redistributors of a free benoit@0: program will individually obtain patent licenses, in effect making the benoit@0: program proprietary. To prevent this, we have made it clear that any benoit@0: patent must be licensed for everyone's free use or not licensed at all. benoit@0: benoit@0: The precise terms and conditions for copying, distribution and benoit@0: modification follow. benoit@0: benoit@0: GNU GENERAL PUBLIC LICENSE benoit@0: TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION benoit@0: benoit@0: 0. This License applies to any program or other work which contains benoit@0: a notice placed by the copyright holder saying it may be distributed benoit@0: under the terms of this General Public License. The "Program", below, benoit@0: refers to any such program or work, and a "work based on the Program" benoit@0: means either the Program or any derivative work under copyright law: benoit@0: that is to say, a work containing the Program or a portion of it, benoit@0: either verbatim or with modifications and/or translated into another benoit@0: language. (Hereinafter, translation is included without limitation in benoit@0: the term "modification".) Each licensee is addressed as "you". benoit@0: benoit@0: Activities other than copying, distribution and modification are not benoit@0: covered by this License; they are outside its scope. The act of benoit@0: running the Program is not restricted, and the output from the Program benoit@0: is covered only if its contents constitute a work based on the benoit@0: Program (independent of having been made by running the Program). benoit@0: Whether that is true depends on what the Program does. benoit@0: benoit@0: 1. You may copy and distribute verbatim copies of the Program's benoit@0: source code as you receive it, in any medium, provided that you benoit@0: conspicuously and appropriately publish on each copy an appropriate benoit@0: copyright notice and disclaimer of warranty; keep intact all the benoit@0: notices that refer to this License and to the absence of any warranty; benoit@0: and give any other recipients of the Program a copy of this License benoit@0: along with the Program. benoit@0: benoit@0: You may charge a fee for the physical act of transferring a copy, and benoit@0: you may at your option offer warranty protection in exchange for a fee. benoit@0: benoit@0: 2. You may modify your copy or copies of the Program or any portion benoit@0: of it, thus forming a work based on the Program, and copy and benoit@0: distribute such modifications or work under the terms of Section 1 benoit@0: above, provided that you also meet all of these conditions: benoit@0: benoit@0: a) You must cause the modified files to carry prominent notices benoit@0: stating that you changed the files and the date of any change. benoit@0: benoit@0: b) You must cause any work that you distribute or publish, that in benoit@0: whole or in part contains or is derived from the Program or any benoit@0: part thereof, to be licensed as a whole at no charge to all third benoit@0: parties under the terms of this License. benoit@0: benoit@0: c) If the modified program normally reads commands interactively benoit@0: when run, you must cause it, when started running for such benoit@0: interactive use in the most ordinary way, to print or display an benoit@0: announcement including an appropriate copyright notice and a benoit@0: notice that there is no warranty (or else, saying that you provide benoit@0: a warranty) and that users may redistribute the program under benoit@0: these conditions, and telling the user how to view a copy of this benoit@0: License. (Exception: if the Program itself is interactive but benoit@0: does not normally print such an announcement, your work based on benoit@0: the Program is not required to print an announcement.) benoit@0: benoit@0: These requirements apply to the modified work as a whole. If benoit@0: identifiable sections of that work are not derived from the Program, benoit@0: and can be reasonably considered independent and separate works in benoit@0: themselves, then this License, and its terms, do not apply to those benoit@0: sections when you distribute them as separate works. But when you benoit@0: distribute the same sections as part of a whole which is a work based benoit@0: on the Program, the distribution of the whole must be on the terms of benoit@0: this License, whose permissions for other licensees extend to the benoit@0: entire whole, and thus to each and every part regardless of who wrote it. benoit@0: benoit@0: Thus, it is not the intent of this section to claim rights or contest benoit@0: your rights to work written entirely by you; rather, the intent is to benoit@0: exercise the right to control the distribution of derivative or benoit@0: collective works based on the Program. benoit@0: benoit@0: In addition, mere aggregation of another work not based on the Program benoit@0: with the Program (or with a work based on the Program) on a volume of benoit@0: a storage or distribution medium does not bring the other work under benoit@0: the scope of this License. benoit@0: benoit@0: 3. You may copy and distribute the Program (or a work based on it, benoit@0: under Section 2) in object code or executable form under the terms of benoit@0: Sections 1 and 2 above provided that you also do one of the following: benoit@0: benoit@0: a) Accompany it with the complete corresponding machine-readable benoit@0: source code, which must be distributed under the terms of Sections benoit@0: 1 and 2 above on a medium customarily used for software interchange; or, benoit@0: benoit@0: b) Accompany it with a written offer, valid for at least three benoit@0: years, to give any third party, for a charge no more than your benoit@0: cost of physically performing source distribution, a complete benoit@0: machine-readable copy of the corresponding source code, to be benoit@0: distributed under the terms of Sections 1 and 2 above on a medium benoit@0: customarily used for software interchange; or, benoit@0: benoit@0: c) Accompany it with the information you received as to the offer benoit@0: to distribute corresponding source code. (This alternative is benoit@0: allowed only for noncommercial distribution and only if you benoit@0: received the program in object code or executable form with such benoit@0: an offer, in accord with Subsection b above.) benoit@0: benoit@0: The source code for a work means the preferred form of the work for benoit@0: making modifications to it. For an executable work, complete source benoit@0: code means all the source code for all modules it contains, plus any benoit@0: associated interface definition files, plus the scripts used to benoit@0: control compilation and installation of the executable. However, as a benoit@0: special exception, the source code distributed need not include benoit@0: anything that is normally distributed (in either source or binary benoit@0: form) with the major components (compiler, kernel, and so on) of the benoit@0: operating system on which the executable runs, unless that component benoit@0: itself accompanies the executable. benoit@0: benoit@0: If distribution of executable or object code is made by offering benoit@0: access to copy from a designated place, then offering equivalent benoit@0: access to copy the source code from the same place counts as benoit@0: distribution of the source code, even though third parties are not benoit@0: compelled to copy the source along with the object code. benoit@0: benoit@0: 4. You may not copy, modify, sublicense, or distribute the Program benoit@0: except as expressly provided under this License. Any attempt benoit@0: otherwise to copy, modify, sublicense or distribute the Program is benoit@0: void, and will automatically terminate your rights under this License. benoit@0: However, parties who have received copies, or rights, from you under benoit@0: this License will not have their licenses terminated so long as such benoit@0: parties remain in full compliance. benoit@0: benoit@0: 5. You are not required to accept this License, since you have not benoit@0: signed it. However, nothing else grants you permission to modify or benoit@0: distribute the Program or its derivative works. These actions are benoit@0: prohibited by law if you do not accept this License. Therefore, by benoit@0: modifying or distributing the Program (or any work based on the benoit@0: Program), you indicate your acceptance of this License to do so, and benoit@0: all its terms and conditions for copying, distributing or modifying benoit@0: the Program or works based on it. benoit@0: benoit@0: 6. Each time you redistribute the Program (or any work based on the benoit@0: Program), the recipient automatically receives a license from the benoit@0: original licensor to copy, distribute or modify the Program subject to benoit@0: these terms and conditions. You may not impose any further benoit@0: restrictions on the recipients' exercise of the rights granted herein. benoit@0: You are not responsible for enforcing compliance by third parties to benoit@0: this License. benoit@0: benoit@0: 7. If, as a consequence of a court judgment or allegation of patent benoit@0: infringement or for any other reason (not limited to patent issues), benoit@0: conditions are imposed on you (whether by court order, agreement or benoit@0: otherwise) that contradict the conditions of this License, they do not benoit@0: excuse you from the conditions of this License. If you cannot benoit@0: distribute so as to satisfy simultaneously your obligations under this benoit@0: License and any other pertinent obligations, then as a consequence you benoit@0: may not distribute the Program at all. For example, if a patent benoit@0: license would not permit royalty-free redistribution of the Program by benoit@0: all those who receive copies directly or indirectly through you, then benoit@0: the only way you could satisfy both it and this License would be to benoit@0: refrain entirely from distribution of the Program. benoit@0: benoit@0: If any portion of this section is held invalid or unenforceable under benoit@0: any particular circumstance, the balance of the section is intended to benoit@0: apply and the section as a whole is intended to apply in other benoit@0: circumstances. benoit@0: benoit@0: It is not the purpose of this section to induce you to infringe any benoit@0: patents or other property right claims or to contest validity of any benoit@0: such claims; this section has the sole purpose of protecting the benoit@0: integrity of the free software distribution system, which is benoit@0: implemented by public license practices. Many people have made benoit@0: generous contributions to the wide range of software distributed benoit@0: through that system in reliance on consistent application of that benoit@0: system; it is up to the author/donor to decide if he or she is willing benoit@0: to distribute software through any other system and a licensee cannot benoit@0: impose that choice. benoit@0: benoit@0: This section is intended to make thoroughly clear what is believed to benoit@0: be a consequence of the rest of this License. benoit@0: benoit@0: 8. If the distribution and/or use of the Program is restricted in benoit@0: certain countries either by patents or by copyrighted interfaces, the benoit@0: original copyright holder who places the Program under this License benoit@0: may add an explicit geographical distribution limitation excluding benoit@0: those countries, so that distribution is permitted only in or among benoit@0: countries not thus excluded. In such case, this License incorporates benoit@0: the limitation as if written in the body of this License. benoit@0: benoit@0: 9. The Free Software Foundation may publish revised and/or new versions benoit@0: of the General Public License from time to time. Such new versions will benoit@0: be similar in spirit to the present version, but may differ in detail to benoit@0: address new problems or concerns. benoit@0: benoit@0: Each version is given a distinguishing version number. If the Program benoit@0: specifies a version number of this License which applies to it and "any benoit@0: later version", you have the option of following the terms and conditions benoit@0: either of that version or of any later version published by the Free benoit@0: Software Foundation. If the Program does not specify a version number of benoit@0: this License, you may choose any version ever published by the Free Software benoit@0: Foundation. benoit@0: benoit@0: 10. If you wish to incorporate parts of the Program into other free benoit@0: programs whose distribution conditions are different, write to the author benoit@0: to ask for permission. For software which is copyrighted by the Free benoit@0: Software Foundation, write to the Free Software Foundation; we sometimes benoit@0: make exceptions for this. Our decision will be guided by the two goals benoit@0: of preserving the free status of all derivatives of our free software and benoit@0: of promoting the sharing and reuse of software generally. benoit@0: benoit@0: NO WARRANTY benoit@0: benoit@0: 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY benoit@0: FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN benoit@0: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES benoit@0: PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED benoit@0: OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF benoit@0: MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS benoit@0: TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE benoit@0: PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, benoit@0: REPAIR OR CORRECTION. benoit@0: benoit@0: 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING benoit@0: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR benoit@0: REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, benoit@0: INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING benoit@0: OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED benoit@0: TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY benoit@0: YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER benoit@0: PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE benoit@0: POSSIBILITY OF SUCH DAMAGES. benoit@0: benoit@0: END OF TERMS AND CONDITIONS benoit@0: benoit@0: How to Apply These Terms to Your New Programs benoit@0: benoit@0: If you develop a new program, and you want it to be of the greatest benoit@0: possible use to the public, the best way to achieve this is to make it benoit@0: free software which everyone can redistribute and change under these terms. benoit@0: benoit@0: To do so, attach the following notices to the program. It is safest benoit@0: to attach them to the start of each source file to most effectively benoit@0: convey the exclusion of warranty; and each file should have at least benoit@0: the "copyright" line and a pointer to where the full notice is found. benoit@0: benoit@0: benoit@0: Copyright (C) benoit@0: benoit@0: This program is free software; you can redistribute it and/or modify benoit@0: it under the terms of the GNU General Public License as published by benoit@0: the Free Software Foundation; either version 2 of the License, or benoit@0: (at your option) any later version. benoit@0: benoit@0: This program is distributed in the hope that it will be useful, benoit@0: but WITHOUT ANY WARRANTY; without even the implied warranty of benoit@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the benoit@0: GNU General Public License for more details. benoit@0: benoit@0: You should have received a copy of the GNU General Public License along benoit@0: with this program; if not, write to the Free Software Foundation, Inc., benoit@0: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. benoit@0: benoit@0: Also add information on how to contact you by electronic and paper mail. benoit@0: benoit@0: If the program is interactive, make it output a short notice like this benoit@0: when it starts in an interactive mode: benoit@0: benoit@0: Gnomovision version 69, Copyright (C) year name of author benoit@0: Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. benoit@0: This is free software, and you are welcome to redistribute it benoit@0: under certain conditions; type `show c' for details. benoit@0: benoit@0: The hypothetical commands `show w' and `show c' should show the appropriate benoit@0: parts of the General Public License. Of course, the commands you use may benoit@0: be called something other than `show w' and `show c'; they could even be benoit@0: mouse-clicks or menu items--whatever suits your program. benoit@0: benoit@0: You should also get your employer (if you work as a programmer) or your benoit@0: school, if any, to sign a "copyright disclaimer" for the program, if benoit@0: necessary. Here is a sample; alter the names: benoit@0: benoit@0: Yoyodyne, Inc., hereby disclaims all copyright interest in the program benoit@0: `Gnomovision' (which makes passes at compilers) written by James Hacker. benoit@0: benoit@0: , 1 April 1989 benoit@0: Ty Coon, President of Vice benoit@0: benoit@0: This General Public License does not permit incorporating your program into benoit@0: proprietary programs. If your program is a subroutine library, you may benoit@0: consider it more useful to permit linking proprietary applications with the benoit@0: library. If this is what you want to do, use the GNU Lesser General benoit@0: Public License instead of this License.