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075b845a »
2005-04-11 Add a COPYING notice, making it explicit that the license is GPLv2.
1
2 Note that the only valid version of the GPL as far as this project
3 is concerned is _this_ particular version of the license (ie v2, not
4 v2.2 or v3.x or whatever), unless explicitly otherwise stated.
5
6 HOWEVER, in order to allow a migration to GPLv3 if that seems like
7 a good idea, I also ask that people involved with the project make
8 their preferences known. In particular, if you trust me to make that
9 decision, you might note so in your copyright message, ie something
10 like
11
12 This file is licensed under the GPL v2, or a later version
13 at the discretion of Linus.
14
15 might avoid issues. But we can also just decide to synchronize and
16 contact all copyright holders on record if/when the occasion arises.
17
18 Linus Torvalds
19
20 ----------------------------------------
21
22 GNU GENERAL PUBLIC LICENSE
23 Version 2, June 1991
24
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25 Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
26 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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27 Everyone is permitted to copy and distribute verbatim copies
28 of this license document, but changing it is not allowed.
29
30 Preamble
31
32 The licenses for most software are designed to take away your
33 freedom to share and change it. By contrast, the GNU General Public
34 License is intended to guarantee your freedom to share and change free
35 software--to make sure the software is free for all its users. This
36 General Public License applies to most of the Free Software
37 Foundation's software and to any other program whose authors commit to
38 using it. (Some other Free Software Foundation software is covered by
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39 the GNU Lesser General Public License instead.) You can apply it to
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40 your programs, too.
41
42 When we speak of free software, we are referring to freedom, not
43 price. Our General Public Licenses are designed to make sure that you
44 have the freedom to distribute copies of free software (and charge for
45 this service if you wish), that you receive source code or can get it
46 if you want it, that you can change the software or use pieces of it
47 in new free programs; and that you know you can do these things.
48
49 To protect your rights, we need to make restrictions that forbid
50 anyone to deny you these rights or to ask you to surrender the rights.
51 These restrictions translate to certain responsibilities for you if you
52 distribute copies of the software, or if you modify it.
53
54 For example, if you distribute copies of such a program, whether
55 gratis or for a fee, you must give the recipients all the rights that
56 you have. You must make sure that they, too, receive or can get the
57 source code. And you must show them these terms so they know their
58 rights.
59
60 We protect your rights with two steps: (1) copyright the software, and
61 (2) offer you this license which gives you legal permission to copy,
62 distribute and/or modify the software.
63
64 Also, for each author's protection and ours, we want to make certain
65 that everyone understands that there is no warranty for this free
66 software. If the software is modified by someone else and passed on, we
67 want its recipients to know that what they have is not the original, so
68 that any problems introduced by others will not reflect on the original
69 authors' reputations.
70
71 Finally, any free program is threatened constantly by software
72 patents. We wish to avoid the danger that redistributors of a free
73 program will individually obtain patent licenses, in effect making the
74 program proprietary. To prevent this, we have made it clear that any
75 patent must be licensed for everyone's free use or not licensed at all.
76
77 The precise terms and conditions for copying, distribution and
78 modification follow.
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79
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80 GNU GENERAL PUBLIC LICENSE
81 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
82
83 0. This License applies to any program or other work which contains
84 a notice placed by the copyright holder saying it may be distributed
85 under the terms of this General Public License. The "Program", below,
86 refers to any such program or work, and a "work based on the Program"
87 means either the Program or any derivative work under copyright law:
88 that is to say, a work containing the Program or a portion of it,
89 either verbatim or with modifications and/or translated into another
90 language. (Hereinafter, translation is included without limitation in
91 the term "modification".) Each licensee is addressed as "you".
92
93 Activities other than copying, distribution and modification are not
94 covered by this License; they are outside its scope. The act of
95 running the Program is not restricted, and the output from the Program
96 is covered only if its contents constitute a work based on the
97 Program (independent of having been made by running the Program).
98 Whether that is true depends on what the Program does.
99
100 1. You may copy and distribute verbatim copies of the Program's
101 source code as you receive it, in any medium, provided that you
102 conspicuously and appropriately publish on each copy an appropriate
103 copyright notice and disclaimer of warranty; keep intact all the
104 notices that refer to this License and to the absence of any warranty;
105 and give any other recipients of the Program a copy of this License
106 along with the Program.
107
108 You may charge a fee for the physical act of transferring a copy, and
109 you may at your option offer warranty protection in exchange for a fee.
110
111 2. You may modify your copy or copies of the Program or any portion
112 of it, thus forming a work based on the Program, and copy and
113 distribute such modifications or work under the terms of Section 1
114 above, provided that you also meet all of these conditions:
115
116 a) You must cause the modified files to carry prominent notices
117 stating that you changed the files and the date of any change.
118
119 b) You must cause any work that you distribute or publish, that in
120 whole or in part contains or is derived from the Program or any
121 part thereof, to be licensed as a whole at no charge to all third
122 parties under the terms of this License.
123
124 c) If the modified program normally reads commands interactively
125 when run, you must cause it, when started running for such
126 interactive use in the most ordinary way, to print or display an
127 announcement including an appropriate copyright notice and a
128 notice that there is no warranty (or else, saying that you provide
129 a warranty) and that users may redistribute the program under
130 these conditions, and telling the user how to view a copy of this
131 License. (Exception: if the Program itself is interactive but
132 does not normally print such an announcement, your work based on
133 the Program is not required to print an announcement.)
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134
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135 These requirements apply to the modified work as a whole. If
136 identifiable sections of that work are not derived from the Program,
137 and can be reasonably considered independent and separate works in
138 themselves, then this License, and its terms, do not apply to those
139 sections when you distribute them as separate works. But when you
140 distribute the same sections as part of a whole which is a work based
141 on the Program, the distribution of the whole must be on the terms of
142 this License, whose permissions for other licensees extend to the
143 entire whole, and thus to each and every part regardless of who wrote it.
144
145 Thus, it is not the intent of this section to claim rights or contest
146 your rights to work written entirely by you; rather, the intent is to
147 exercise the right to control the distribution of derivative or
148 collective works based on the Program.
149
150 In addition, mere aggregation of another work not based on the Program
151 with the Program (or with a work based on the Program) on a volume of
152 a storage or distribution medium does not bring the other work under
153 the scope of this License.
154
155 3. You may copy and distribute the Program (or a work based on it,
156 under Section 2) in object code or executable form under the terms of
157 Sections 1 and 2 above provided that you also do one of the following:
158
159 a) Accompany it with the complete corresponding machine-readable
160 source code, which must be distributed under the terms of Sections
161 1 and 2 above on a medium customarily used for software interchange; or,
162
163 b) Accompany it with a written offer, valid for at least three
164 years, to give any third party, for a charge no more than your
165 cost of physically performing source distribution, a complete
166 machine-readable copy of the corresponding source code, to be
167 distributed under the terms of Sections 1 and 2 above on a medium
168 customarily used for software interchange; or,
169
170 c) Accompany it with the information you received as to the offer
171 to distribute corresponding source code. (This alternative is
172 allowed only for noncommercial distribution and only if you
173 received the program in object code or executable form with such
174 an offer, in accord with Subsection b above.)
175
176 The source code for a work means the preferred form of the work for
177 making modifications to it. For an executable work, complete source
178 code means all the source code for all modules it contains, plus any
179 associated interface definition files, plus the scripts used to
180 control compilation and installation of the executable. However, as a
181 special exception, the source code distributed need not include
182 anything that is normally distributed (in either source or binary
183 form) with the major components (compiler, kernel, and so on) of the
184 operating system on which the executable runs, unless that component
185 itself accompanies the executable.
186
187 If distribution of executable or object code is made by offering
188 access to copy from a designated place, then offering equivalent
189 access to copy the source code from the same place counts as
190 distribution of the source code, even though third parties are not
191 compelled to copy the source along with the object code.
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192
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193 4. You may not copy, modify, sublicense, or distribute the Program
194 except as expressly provided under this License. Any attempt
195 otherwise to copy, modify, sublicense or distribute the Program is
196 void, and will automatically terminate your rights under this License.
197 However, parties who have received copies, or rights, from you under
198 this License will not have their licenses terminated so long as such
199 parties remain in full compliance.
200
201 5. You are not required to accept this License, since you have not
202 signed it. However, nothing else grants you permission to modify or
203 distribute the Program or its derivative works. These actions are
204 prohibited by law if you do not accept this License. Therefore, by
205 modifying or distributing the Program (or any work based on the
206 Program), you indicate your acceptance of this License to do so, and
207 all its terms and conditions for copying, distributing or modifying
208 the Program or works based on it.
209
210 6. Each time you redistribute the Program (or any work based on the
211 Program), the recipient automatically receives a license from the
212 original licensor to copy, distribute or modify the Program subject to
213 these terms and conditions. You may not impose any further
214 restrictions on the recipients' exercise of the rights granted herein.
215 You are not responsible for enforcing compliance by third parties to
216 this License.
217
218 7. If, as a consequence of a court judgment or allegation of patent
219 infringement or for any other reason (not limited to patent issues),
220 conditions are imposed on you (whether by court order, agreement or
221 otherwise) that contradict the conditions of this License, they do not
222 excuse you from the conditions of this License. If you cannot
223 distribute so as to satisfy simultaneously your obligations under this
224 License and any other pertinent obligations, then as a consequence you
225 may not distribute the Program at all. For example, if a patent
226 license would not permit royalty-free redistribution of the Program by
227 all those who receive copies directly or indirectly through you, then
228 the only way you could satisfy both it and this License would be to
229 refrain entirely from distribution of the Program.
230
231 If any portion of this section is held invalid or unenforceable under
232 any particular circumstance, the balance of the section is intended to
233 apply and the section as a whole is intended to apply in other
234 circumstances.
235
236 It is not the purpose of this section to induce you to infringe any
237 patents or other property right claims or to contest validity of any
238 such claims; this section has the sole purpose of protecting the
239 integrity of the free software distribution system, which is
240 implemented by public license practices. Many people have made
241 generous contributions to the wide range of software distributed
242 through that system in reliance on consistent application of that
243 system; it is up to the author/donor to decide if he or she is willing
244 to distribute software through any other system and a licensee cannot
245 impose that choice.
246
247 This section is intended to make thoroughly clear what is believed to
248 be a consequence of the rest of this License.
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249
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250 8. If the distribution and/or use of the Program is restricted in
251 certain countries either by patents or by copyrighted interfaces, the
252 original copyright holder who places the Program under this License
253 may add an explicit geographical distribution limitation excluding
254 those countries, so that distribution is permitted only in or among
255 countries not thus excluded. In such case, this License incorporates
256 the limitation as if written in the body of this License.
257
258 9. The Free Software Foundation may publish revised and/or new versions
259 of the General Public License from time to time. Such new versions will
260 be similar in spirit to the present version, but may differ in detail to
261 address new problems or concerns.
262
263 Each version is given a distinguishing version number. If the Program
264 specifies a version number of this License which applies to it and "any
265 later version", you have the option of following the terms and conditions
266 either of that version or of any later version published by the Free
267 Software Foundation. If the Program does not specify a version number of
268 this License, you may choose any version ever published by the Free Software
269 Foundation.
270
271 10. If you wish to incorporate parts of the Program into other free
272 programs whose distribution conditions are different, write to the author
273 to ask for permission. For software which is copyrighted by the Free
274 Software Foundation, write to the Free Software Foundation; we sometimes
275 make exceptions for this. Our decision will be guided by the two goals
276 of preserving the free status of all derivatives of our free software and
277 of promoting the sharing and reuse of software generally.
278
279 NO WARRANTY
280
281 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
282 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
283 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
284 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
285 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
286 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
287 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
288 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
289 REPAIR OR CORRECTION.
290
291 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
292 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
293 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
294 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
295 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
296 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
297 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
298 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
299 POSSIBILITY OF SUCH DAMAGES.
300
301 END OF TERMS AND CONDITIONS
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302
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303 How to Apply These Terms to Your New Programs
304
305 If you develop a new program, and you want it to be of the greatest
306 possible use to the public, the best way to achieve this is to make it
307 free software which everyone can redistribute and change under these terms.
308
309 To do so, attach the following notices to the program. It is safest
310 to attach them to the start of each source file to most effectively
311 convey the exclusion of warranty; and each file should have at least
312 the "copyright" line and a pointer to where the full notice is found.
313
314 <one line to give the program's name and a brief idea of what it does.>
315 Copyright (C) <year> <name of author>
316
317 This program is free software; you can redistribute it and/or modify
318 it under the terms of the GNU General Public License as published by
319 the Free Software Foundation; either version 2 of the License, or
320 (at your option) any later version.
321
322 This program is distributed in the hope that it will be useful,
323 but WITHOUT ANY WARRANTY; without even the implied warranty of
324 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
325 GNU General Public License for more details.
326
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327 You should have received a copy of the GNU General Public License along
328 with this program; if not, write to the Free Software Foundation, Inc.,
329 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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330
331 Also add information on how to contact you by electronic and paper mail.
332
333 If the program is interactive, make it output a short notice like this
334 when it starts in an interactive mode:
335
336 Gnomovision version 69, Copyright (C) year name of author
337 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
338 This is free software, and you are welcome to redistribute it
339 under certain conditions; type `show c' for details.
340
341 The hypothetical commands `show w' and `show c' should show the appropriate
342 parts of the General Public License. Of course, the commands you use may
343 be called something other than `show w' and `show c'; they could even be
344 mouse-clicks or menu items--whatever suits your program.
345
346 You should also get your employer (if you work as a programmer) or your
347 school, if any, to sign a "copyright disclaimer" for the program, if
348 necessary. Here is a sample; alter the names:
349
350 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
351 `Gnomovision' (which makes passes at compilers) written by James Hacker.
352
353 <signature of Ty Coon>, 1 April 1989
354 Ty Coon, President of Vice
355
356 This General Public License does not permit incorporating your program into
357 proprietary programs. If your program is a subroutine library, you may
358 consider it more useful to permit linking proprietary applications with the
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359 library. If this is what you want to do, use the GNU Lesser General
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360 Public License instead of this License.
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