git.lukeshu.com/go/lowmemjson@v0.3.9-0.20230723050957-72f6d13f6fb2/LICENSE.gpl-2.0.txt (about)

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