libgnomevfs2-mythtv/COPYING
author rosfran
Wed Feb 14 21:35:23 2007 +0000 (2007-02-14)
branchtrunk
changeset 361 7140b2c2e63c
permissions -rwxr-xr-x
[svn r363] Optimizations on the GnomeVFS internal buffer filling.
     1 		  GNU LESSER GENERAL PUBLIC LICENSE
     2 		       Version 2.1, February 1999
     3 
     4  Copyright (C) 1991, 1999 Free Software Foundation, Inc.
     5      51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     6  Everyone is permitted to copy and distribute verbatim copies
     7  of this license document, but changing it is not allowed.
     8 
     9 [This is the first released version of the Lesser GPL.  It also counts
    10  as the successor of the GNU Library Public License, version 2, hence
    11  the version number 2.1.]
    12 
    13 			    Preamble
    14 
    15   The licenses for most software are designed to take away your
    16 freedom to share and change it.  By contrast, the GNU General Public
    17 Licenses are intended to guarantee your freedom to share and change
    18 free software--to make sure the software is free for all its users.
    19 
    20   This license, the Lesser General Public License, applies to some
    21 specially designated software packages--typically libraries--of the
    22 Free Software Foundation and other authors who decide to use it.  You
    23 can use it too, but we suggest you first think carefully about whether
    24 this license or the ordinary General Public License is the better
    25 strategy to use in any particular case, based on the explanations below.
    26 
    27   When we speak of free software, we are referring to freedom of use,
    28 not price.  Our General Public Licenses are designed to make sure that
    29 you have the freedom to distribute copies of free software (and charge
    30 for this service if you wish); that you receive source code or can get
    31 it if you want it; that you can change the software and use pieces of
    32 it in new free programs; and that you are informed that you can do
    33 these things.
    34 
    35   To protect your rights, we need to make restrictions that forbid
    36 distributors to deny you these rights or to ask you to surrender these
    37 rights.  These restrictions translate to certain responsibilities for
    38 you if you distribute copies of the library or if you modify it.
    39 
    40   For example, if you distribute copies of the library, whether gratis
    41 or for a fee, you must give the recipients all the rights that we gave
    42 you.  You must make sure that they, too, receive or can get the source
    43 code.  If you link other code with the library, you must provide
    44 complete object files to the recipients, so that they can relink them
    45 with the library after making changes to the library and recompiling
    46 it.  And you must show them these terms so they know their rights.
    47 
    48   We protect your rights with a two-step method: (1) we copyright the
    49 library, and (2) we offer you this license, which gives you legal
    50 permission to copy, distribute and/or modify the library.
    51 
    52   To protect each distributor, we want to make it very clear that
    53 there is no warranty for the free library.  Also, if the library is
    54 modified by someone else and passed on, the recipients should know
    55 that what they have is not the original version, so that the original
    56 author's reputation will not be affected by problems that might be
    57 introduced by others.
    58 
    59   Finally, software patents pose a constant threat to the existence of
    60 any free program.  We wish to make sure that a company cannot
    61 effectively restrict the users of a free program by obtaining a
    62 restrictive license from a patent holder.  Therefore, we insist that
    63 any patent license obtained for a version of the library must be
    64 consistent with the full freedom of use specified in this license.
    65 
    66   Most GNU software, including some libraries, is covered by the
    67 ordinary GNU General Public License.  This license, the GNU Lesser
    68 General Public License, applies to certain designated libraries, and
    69 is quite different from the ordinary General Public License.  We use
    70 this license for certain libraries in order to permit linking those
    71 libraries into non-free programs.
    72 
    73   When a program is linked with a library, whether statically or using
    74 a shared library, the combination of the two is legally speaking a
    75 combined work, a derivative of the original library.  The ordinary
    76 General Public License therefore permits such linking only if the
    77 entire combination fits its criteria of freedom.  The Lesser General
    78 Public License permits more lax criteria for linking other code with
    79 the library.
    80 
    81   We call this license the "Lesser" General Public License because it
    82 does Less to protect the user's freedom than the ordinary General
    83 Public License.  It also provides other free software developers Less
    84 of an advantage over competing non-free programs.  These disadvantages
    85 are the reason we use the ordinary General Public License for many
    86 libraries.  However, the Lesser license provides advantages in certain
    87 special circumstances.
    88 
    89   For example, on rare occasions, there may be a special need to
    90 encourage the widest possible use of a certain library, so that it becomes
    91 a de-facto standard.  To achieve this, non-free programs must be
    92 allowed to use the library.  A more frequent case is that a free
    93 library does the same job as widely used non-free libraries.  In this
    94 case, there is little to gain by limiting the free library to free
    95 software only, so we use the Lesser General Public License.
    96 
    97   In other cases, permission to use a particular library in non-free
    98 programs enables a greater number of people to use a large body of
    99 free software.  For example, permission to use the GNU C Library in
   100 non-free programs enables many more people to use the whole GNU
   101 operating system, as well as its variant, the GNU/Linux operating
   102 system.
   103 
   104   Although the Lesser General Public License is Less protective of the
   105 users' freedom, it does ensure that the user of a program that is
   106 linked with the Library has the freedom and the wherewithal to run
   107 that program using a modified version of the Library.
   108 
   109   The precise terms and conditions for copying, distribution and
   110 modification follow.  Pay close attention to the difference between a
   111 "work based on the library" and a "work that uses the library".  The
   112 former contains code derived from the library, whereas the latter must
   113 be combined with the library in order to run.
   114 
   115 		  GNU LESSER GENERAL PUBLIC LICENSE
   116    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
   117 
   118   0. This License Agreement applies to any software library or other
   119 program which contains a notice placed by the copyright holder or
   120 other authorized party saying it may be distributed under the terms of
   121 this Lesser General Public License (also called "this License").
   122 Each licensee is addressed as "you".
   123 
   124   A "library" means a collection of software functions and/or data
   125 prepared so as to be conveniently linked with application programs
   126 (which use some of those functions and data) to form executables.
   127 
   128   The "Library", below, refers to any such software library or work
   129 which has been distributed under these terms.  A "work based on the
   130 Library" means either the Library or any derivative work under
   131 copyright law: that is to say, a work containing the Library or a
   132 portion of it, either verbatim or with modifications and/or translated
   133 straightforwardly into another language.  (Hereinafter, translation is
   134 included without limitation in the term "modification".)
   135 
   136   "Source code" for a work means the preferred form of the work for
   137 making modifications to it.  For a library, complete source code means
   138 all the source code for all modules it contains, plus any associated
   139 interface definition files, plus the scripts used to control compilation
   140 and installation of the library.
   141 
   142   Activities other than copying, distribution and modification are not
   143 covered by this License; they are outside its scope.  The act of
   144 running a program using the Library is not restricted, and output from
   145 such a program is covered only if its contents constitute a work based
   146 on the Library (independent of the use of the Library in a tool for
   147 writing it).  Whether that is true depends on what the Library does
   148 and what the program that uses the Library does.
   149   
   150   1. You may copy and distribute verbatim copies of the Library's
   151 complete source code as you receive it, in any medium, provided that
   152 you conspicuously and appropriately publish on each copy an
   153 appropriate copyright notice and disclaimer of warranty; keep intact
   154 all the notices that refer to this License and to the absence of any
   155 warranty; and distribute a copy of this License along with the
   156 Library.
   157 
   158   You may charge a fee for the physical act of transferring a copy,
   159 and you may at your option offer warranty protection in exchange for a
   160 fee.
   161 
   162   2. You may modify your copy or copies of the Library or any portion
   163 of it, thus forming a work based on the Library, and copy and
   164 distribute such modifications or work under the terms of Section 1
   165 above, provided that you also meet all of these conditions:
   166 
   167     a) The modified work must itself be a software library.
   168 
   169     b) You must cause the files modified to carry prominent notices
   170     stating that you changed the files and the date of any change.
   171 
   172     c) You must cause the whole of the work to be licensed at no
   173     charge to all third parties under the terms of this License.
   174 
   175     d) If a facility in the modified Library refers to a function or a
   176     table of data to be supplied by an application program that uses
   177     the facility, other than as an argument passed when the facility
   178     is invoked, then you must make a good faith effort to ensure that,
   179     in the event an application does not supply such function or
   180     table, the facility still operates, and performs whatever part of
   181     its purpose remains meaningful.
   182 
   183     (For example, a function in a library to compute square roots has
   184     a purpose that is entirely well-defined independent of the
   185     application.  Therefore, Subsection 2d requires that any
   186     application-supplied function or table used by this function must
   187     be optional: if the application does not supply it, the square
   188     root function must still compute square roots.)
   189 
   190 These requirements apply to the modified work as a whole.  If
   191 identifiable sections of that work are not derived from the Library,
   192 and can be reasonably considered independent and separate works in
   193 themselves, then this License, and its terms, do not apply to those
   194 sections when you distribute them as separate works.  But when you
   195 distribute the same sections as part of a whole which is a work based
   196 on the Library, the distribution of the whole must be on the terms of
   197 this License, whose permissions for other licensees extend to the
   198 entire whole, and thus to each and every part regardless of who wrote
   199 it.
   200 
   201 Thus, it is not the intent of this section to claim rights or contest
   202 your rights to work written entirely by you; rather, the intent is to
   203 exercise the right to control the distribution of derivative or
   204 collective works based on the Library.
   205 
   206 In addition, mere aggregation of another work not based on the Library
   207 with the Library (or with a work based on the Library) on a volume of
   208 a storage or distribution medium does not bring the other work under
   209 the scope of this License.
   210 
   211   3. You may opt to apply the terms of the ordinary GNU General Public
   212 License instead of this License to a given copy of the Library.  To do
   213 this, you must alter all the notices that refer to this License, so
   214 that they refer to the ordinary GNU General Public License, version 2,
   215 instead of to this License.  (If a newer version than version 2 of the
   216 ordinary GNU General Public License has appeared, then you can specify
   217 that version instead if you wish.)  Do not make any other change in
   218 these notices.
   219 
   220   Once this change is made in a given copy, it is irreversible for
   221 that copy, so the ordinary GNU General Public License applies to all
   222 subsequent copies and derivative works made from that copy.
   223 
   224   This option is useful when you wish to copy part of the code of
   225 the Library into a program that is not a library.
   226 
   227   4. You may copy and distribute the Library (or a portion or
   228 derivative of it, under Section 2) in object code or executable form
   229 under the terms of Sections 1 and 2 above provided that you accompany
   230 it with the complete corresponding machine-readable source code, which
   231 must be distributed under the terms of Sections 1 and 2 above on a
   232 medium customarily used for software interchange.
   233 
   234   If distribution of object code is made by offering access to copy
   235 from a designated place, then offering equivalent access to copy the
   236 source code from the same place satisfies the requirement to
   237 distribute the source code, even though third parties are not
   238 compelled to copy the source along with the object code.
   239 
   240   5. A program that contains no derivative of any portion of the
   241 Library, but is designed to work with the Library by being compiled or
   242 linked with it, is called a "work that uses the Library".  Such a
   243 work, in isolation, is not a derivative work of the Library, and
   244 therefore falls outside the scope of this License.
   245 
   246   However, linking a "work that uses the Library" with the Library
   247 creates an executable that is a derivative of the Library (because it
   248 contains portions of the Library), rather than a "work that uses the
   249 library".  The executable is therefore covered by this License.
   250 Section 6 states terms for distribution of such executables.
   251 
   252   When a "work that uses the Library" uses material from a header file
   253 that is part of the Library, the object code for the work may be a
   254 derivative work of the Library even though the source code is not.
   255 Whether this is true is especially significant if the work can be
   256 linked without the Library, or if the work is itself a library.  The
   257 threshold for this to be true is not precisely defined by law.
   258 
   259   If such an object file uses only numerical parameters, data
   260 structure layouts and accessors, and small macros and small inline
   261 functions (ten lines or less in length), then the use of the object
   262 file is unrestricted, regardless of whether it is legally a derivative
   263 work.  (Executables containing this object code plus portions of the
   264 Library will still fall under Section 6.)
   265 
   266   Otherwise, if the work is a derivative of the Library, you may
   267 distribute the object code for the work under the terms of Section 6.
   268 Any executables containing that work also fall under Section 6,
   269 whether or not they are linked directly with the Library itself.
   270 
   271   6. As an exception to the Sections above, you may also combine or
   272 link a "work that uses the Library" with the Library to produce a
   273 work containing portions of the Library, and distribute that work
   274 under terms of your choice, provided that the terms permit
   275 modification of the work for the customer's own use and reverse
   276 engineering for debugging such modifications.
   277 
   278   You must give prominent notice with each copy of the work that the
   279 Library is used in it and that the Library and its use are covered by
   280 this License.  You must supply a copy of this License.  If the work
   281 during execution displays copyright notices, you must include the
   282 copyright notice for the Library among them, as well as a reference
   283 directing the user to the copy of this License.  Also, you must do one
   284 of these things:
   285 
   286     a) Accompany the work with the complete corresponding
   287     machine-readable source code for the Library including whatever
   288     changes were used in the work (which must be distributed under
   289     Sections 1 and 2 above); and, if the work is an executable linked
   290     with the Library, with the complete machine-readable "work that
   291     uses the Library", as object code and/or source code, so that the
   292     user can modify the Library and then relink to produce a modified
   293     executable containing the modified Library.  (It is understood
   294     that the user who changes the contents of definitions files in the
   295     Library will not necessarily be able to recompile the application
   296     to use the modified definitions.)
   297 
   298     b) Use a suitable shared library mechanism for linking with the
   299     Library.  A suitable mechanism is one that (1) uses at run time a
   300     copy of the library already present on the user's computer system,
   301     rather than copying library functions into the executable, and (2)
   302     will operate properly with a modified version of the library, if
   303     the user installs one, as long as the modified version is
   304     interface-compatible with the version that the work was made with.
   305 
   306     c) Accompany the work with a written offer, valid for at
   307     least three years, to give the same user the materials
   308     specified in Subsection 6a, above, for a charge no more
   309     than the cost of performing this distribution.
   310 
   311     d) If distribution of the work is made by offering access to copy
   312     from a designated place, offer equivalent access to copy the above
   313     specified materials from the same place.
   314 
   315     e) Verify that the user has already received a copy of these
   316     materials or that you have already sent this user a copy.
   317 
   318   For an executable, the required form of the "work that uses the
   319 Library" must include any data and utility programs needed for
   320 reproducing the executable from it.  However, as a special exception,
   321 the materials to be distributed need not include anything that is
   322 normally distributed (in either source or binary form) with the major
   323 components (compiler, kernel, and so on) of the operating system on
   324 which the executable runs, unless that component itself accompanies
   325 the executable.
   326 
   327   It may happen that this requirement contradicts the license
   328 restrictions of other proprietary libraries that do not normally
   329 accompany the operating system.  Such a contradiction means you cannot
   330 use both them and the Library together in an executable that you
   331 distribute.
   332 
   333   7. You may place library facilities that are a work based on the
   334 Library side-by-side in a single library together with other library
   335 facilities not covered by this License, and distribute such a combined
   336 library, provided that the separate distribution of the work based on
   337 the Library and of the other library facilities is otherwise
   338 permitted, and provided that you do these two things:
   339 
   340     a) Accompany the combined library with a copy of the same work
   341     based on the Library, uncombined with any other library
   342     facilities.  This must be distributed under the terms of the
   343     Sections above.
   344 
   345     b) Give prominent notice with the combined library of the fact
   346     that part of it is a work based on the Library, and explaining
   347     where to find the accompanying uncombined form of the same work.
   348 
   349   8. You may not copy, modify, sublicense, link with, or distribute
   350 the Library except as expressly provided under this License.  Any
   351 attempt otherwise to copy, modify, sublicense, link with, or
   352 distribute the Library is void, and will automatically terminate your
   353 rights under this License.  However, parties who have received copies,
   354 or rights, from you under this License will not have their licenses
   355 terminated so long as such parties remain in full compliance.
   356 
   357   9. You are not required to accept this License, since you have not
   358 signed it.  However, nothing else grants you permission to modify or
   359 distribute the Library or its derivative works.  These actions are
   360 prohibited by law if you do not accept this License.  Therefore, by
   361 modifying or distributing the Library (or any work based on the
   362 Library), you indicate your acceptance of this License to do so, and
   363 all its terms and conditions for copying, distributing or modifying
   364 the Library or works based on it.
   365 
   366   10. Each time you redistribute the Library (or any work based on the
   367 Library), the recipient automatically receives a license from the
   368 original licensor to copy, distribute, link with or modify the Library
   369 subject to these terms and conditions.  You may not impose any further
   370 restrictions on the recipients' exercise of the rights granted herein.
   371 You are not responsible for enforcing compliance by third parties with
   372 this License.
   373 
   374   11. If, as a consequence of a court judgment or allegation of patent
   375 infringement or for any other reason (not limited to patent issues),
   376 conditions are imposed on you (whether by court order, agreement or
   377 otherwise) that contradict the conditions of this License, they do not
   378 excuse you from the conditions of this License.  If you cannot
   379 distribute so as to satisfy simultaneously your obligations under this
   380 License and any other pertinent obligations, then as a consequence you
   381 may not distribute the Library at all.  For example, if a patent
   382 license would not permit royalty-free redistribution of the Library by
   383 all those who receive copies directly or indirectly through you, then
   384 the only way you could satisfy both it and this License would be to
   385 refrain entirely from distribution of the Library.
   386 
   387 If any portion of this section is held invalid or unenforceable under any
   388 particular circumstance, the balance of the section is intended to apply,
   389 and the section as a whole is intended to apply in other circumstances.
   390 
   391 It is not the purpose of this section to induce you to infringe any
   392 patents or other property right claims or to contest validity of any
   393 such claims; this section has the sole purpose of protecting the
   394 integrity of the free software distribution system which is
   395 implemented by public license practices.  Many people have made
   396 generous contributions to the wide range of software distributed
   397 through that system in reliance on consistent application of that
   398 system; it is up to the author/donor to decide if he or she is willing
   399 to distribute software through any other system and a licensee cannot
   400 impose that choice.
   401 
   402 This section is intended to make thoroughly clear what is believed to
   403 be a consequence of the rest of this License.
   404 
   405   12. If the distribution and/or use of the Library is restricted in
   406 certain countries either by patents or by copyrighted interfaces, the
   407 original copyright holder who places the Library under this License may add
   408 an explicit geographical distribution limitation excluding those countries,
   409 so that distribution is permitted only in or among countries not thus
   410 excluded.  In such case, this License incorporates the limitation as if
   411 written in the body of this License.
   412 
   413   13. The Free Software Foundation may publish revised and/or new
   414 versions of the Lesser General Public License from time to time.
   415 Such new versions will be similar in spirit to the present version,
   416 but may differ in detail to address new problems or concerns.
   417 
   418 Each version is given a distinguishing version number.  If the Library
   419 specifies a version number of this License which applies to it and
   420 "any later version", you have the option of following the terms and
   421 conditions either of that version or of any later version published by
   422 the Free Software Foundation.  If the Library does not specify a
   423 license version number, you may choose any version ever published by
   424 the Free Software Foundation.
   425 
   426   14. If you wish to incorporate parts of the Library into other free
   427 programs whose distribution conditions are incompatible with these,
   428 write to the author to ask for permission.  For software which is
   429 copyrighted by the Free Software Foundation, write to the Free
   430 Software Foundation; we sometimes make exceptions for this.  Our
   431 decision will be guided by the two goals of preserving the free status
   432 of all derivatives of our free software and of promoting the sharing
   433 and reuse of software generally.
   434 
   435 			    NO WARRANTY
   436 
   437   15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
   438 WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
   439 EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
   440 OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
   441 KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
   442 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   443 PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
   444 LIBRARY IS WITH YOU.  SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
   445 THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
   446 
   447   16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
   448 WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
   449 AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
   450 FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
   451 CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
   452 LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
   453 RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
   454 FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
   455 SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   456 DAMAGES.
   457 
   458 		     END OF TERMS AND CONDITIONS
   459 
   460            How to Apply These Terms to Your New Libraries
   461 
   462   If you develop a new library, and you want it to be of the greatest
   463 possible use to the public, we recommend making it free software that
   464 everyone can redistribute and change.  You can do so by permitting
   465 redistribution under these terms (or, alternatively, under the terms of the
   466 ordinary General Public License).
   467 
   468   To apply these terms, attach the following notices to the library.  It is
   469 safest to attach them to the start of each source file to most effectively
   470 convey the exclusion of warranty; and each file should have at least the
   471 "copyright" line and a pointer to where the full notice is found.
   472 
   473     <one line to give the library's name and a brief idea of what it does.>
   474     Copyright (C) <year>  <name of author>
   475 
   476     This library is free software; you can redistribute it and/or
   477     modify it under the terms of the GNU Lesser General Public
   478     License as published by the Free Software Foundation; either
   479     version 2.1 of the License, or (at your option) any later version.
   480 
   481     This library is distributed in the hope that it will be useful,
   482     but WITHOUT ANY WARRANTY; without even the implied warranty of
   483     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   484     Lesser General Public License for more details.
   485 
   486     You should have received a copy of the GNU Lesser General Public
   487     License along with this library; if not, write to the Free Software
   488     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   489 
   490 Also add information on how to contact you by electronic and paper mail.
   491 
   492 You should also get your employer (if you work as a programmer) or your
   493 school, if any, to sign a "copyright disclaimer" for the library, if
   494 necessary.  Here is a sample; alter the names:
   495 
   496   Yoyodyne, Inc., hereby disclaims all copyright interest in the
   497   library `Frob' (a library for tweaking knobs) written by James Random Hacker.
   498 
   499   <signature of Ty Coon>, 1 April 1990
   500   Ty Coon, President of Vice
   501 
   502 That's all there is to it!
   503 
   504