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      1 /*
      2  *
      3  *  BlueZ - Bluetooth protocol stack for Linux
      4  *
      5  *  Copyright (C) 2004-2009  Marcel Holtmann <marcel (at) holtmann.org>
      6  *
      7  *
      8  *  This program is free software; you can redistribute it and/or modify
      9  *  it under the terms of the GNU General Public License as published by
     10  *  the Free Software Foundation; either version 2 of the License, or
     11  *  (at your option) any later version.
     12  *
     13  *  This program is distributed in the hope that it will be useful,
     14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16  *  GNU General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU General Public License
     19  *  along with this program; if not, write to the Free Software
     20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     21  *
     22  */
     23 		    GNU GENERAL PUBLIC LICENSE
     24 		       Version 2, June 1991
     25 
     26  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
     27                        51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     28  Everyone is permitted to copy and distribute verbatim copies
     29  of this license document, but changing it is not allowed.
     30 
     31 			    Preamble
     32 
     33   The licenses for most software are designed to take away your
     34 freedom to share and change it.  By contrast, the GNU General Public
     35 License is intended to guarantee your freedom to share and change free
     36 software--to make sure the software is free for all its users.  This
     37 General Public License applies to most of the Free Software
     38 Foundation's software and to any other program whose authors commit to
     39 using it.  (Some other Free Software Foundation software is covered by
     40 the GNU Library General Public License instead.)  You can apply it to
     41 your programs, too.
     42 
     43   When we speak of free software, we are referring to freedom, not
     44 price.  Our General Public Licenses are designed to make sure that you
     45 have the freedom to distribute copies of free software (and charge for
     46 this service if you wish), that you receive source code or can get it
     47 if you want it, that you can change the software or use pieces of it
     48 in new free programs; and that you know you can do these things.
     49 
     50   To protect your rights, we need to make restrictions that forbid
     51 anyone to deny you these rights or to ask you to surrender the rights.
     52 These restrictions translate to certain responsibilities for you if you
     53 distribute copies of the software, or if you modify it.
     54 
     55   For example, if you distribute copies of such a program, whether
     56 gratis or for a fee, you must give the recipients all the rights that
     57 you have.  You must make sure that they, too, receive or can get the
     58 source code.  And you must show them these terms so they know their
     59 rights.
     60 
     61   We protect your rights with two steps: (1) copyright the software, and
     62 (2) offer you this license which gives you legal permission to copy,
     63 distribute and/or modify the software.
     64 
     65   Also, for each author's protection and ours, we want to make certain
     66 that everyone understands that there is no warranty for this free
     67 software.  If the software is modified by someone else and passed on, we
     68 want its recipients to know that what they have is not the original, so
     69 that any problems introduced by others will not reflect on the original
     70 authors' reputations.
     71 
     72   Finally, any free program is threatened constantly by software
     73 patents.  We wish to avoid the danger that redistributors of a free
     74 program will individually obtain patent licenses, in effect making the
     75 program proprietary.  To prevent this, we have made it clear that any
     76 patent must be licensed for everyone's free use or not licensed at all.
     77 
     78   The precise terms and conditions for copying, distribution and
     79 modification follow.
     80 
     81 		    GNU GENERAL PUBLIC LICENSE
     82    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
     83 
     84   0. This License applies to any program or other work which contains
     85 a notice placed by the copyright holder saying it may be distributed
     86 under the terms of this General Public License.  The "Program", below,
     87 refers to any such program or work, and a "work based on the Program"
     88 means either the Program or any derivative work under copyright law:
     89 that is to say, a work containing the Program or a portion of it,
     90 either verbatim or with modifications and/or translated into another
     91 language.  (Hereinafter, translation is included without limitation in
     92 the term "modification".)  Each licensee is addressed as "you".
     93 
     94 Activities other than copying, distribution and modification are not
     95 covered by this License; they are outside its scope.  The act of
     96 running the Program is not restricted, and the output from the Program
     97 is covered only if its contents constitute a work based on the
     98 Program (independent of having been made by running the Program).
     99 Whether that is true depends on what the Program does.
    100 
    101   1. You may copy and distribute verbatim copies of the Program's
    102 source code as you receive it, in any medium, provided that you
    103 conspicuously and appropriately publish on each copy an appropriate
    104 copyright notice and disclaimer of warranty; keep intact all the
    105 notices that refer to this License and to the absence of any warranty;
    106 and give any other recipients of the Program a copy of this License
    107 along with the Program.
    108 
    109 You may charge a fee for the physical act of transferring a copy, and
    110 you may at your option offer warranty protection in exchange for a fee.
    111 
    112   2. You may modify your copy or copies of the Program or any portion
    113 of it, thus forming a work based on the Program, and copy and
    114 distribute such modifications or work under the terms of Section 1
    115 above, provided that you also meet all of these conditions:
    116 
    117     a) You must cause the modified files to carry prominent notices
    118     stating that you changed the files and the date of any change.
    119 
    120     b) You must cause any work that you distribute or publish, that in
    121     whole or in part contains or is derived from the Program or any
    122     part thereof, to be licensed as a whole at no charge to all third
    123     parties under the terms of this License.
    124 
    125     c) If the modified program normally reads commands interactively
    126     when run, you must cause it, when started running for such
    127     interactive use in the most ordinary way, to print or display an
    128     announcement including an appropriate copyright notice and a
    129     notice that there is no warranty (or else, saying that you provide
    130     a warranty) and that users may redistribute the program under
    131     these conditions, and telling the user how to view a copy of this
    132     License.  (Exception: if the Program itself is interactive but
    133     does not normally print such an announcement, your work based on
    134     the Program is not required to print an announcement.)
    135 
    136 These requirements apply to the modified work as a whole.  If
    137 identifiable sections of that work are not derived from the Program,
    138 and can be reasonably considered independent and separate works in
    139 themselves, then this License, and its terms, do not apply to those
    140 sections when you distribute them as separate works.  But when you
    141 distribute the same sections as part of a whole which is a work based
    142 on the Program, the distribution of the whole must be on the terms of
    143 this License, whose permissions for other licensees extend to the
    144 entire whole, and thus to each and every part regardless of who wrote it.
    145 
    146 Thus, it is not the intent of this section to claim rights or contest
    147 your rights to work written entirely by you; rather, the intent is to
    148 exercise the right to control the distribution of derivative or
    149 collective works based on the Program.
    150 
    151 In addition, mere aggregation of another work not based on the Program
    152 with the Program (or with a work based on the Program) on a volume of
    153 a storage or distribution medium does not bring the other work under
    154 the scope of this License.
    155 
    156   3. You may copy and distribute the Program (or a work based on it,
    157 under Section 2) in object code or executable form under the terms of
    158 Sections 1 and 2 above provided that you also do one of the following:
    159 
    160     a) Accompany it with the complete corresponding machine-readable
    161     source code, which must be distributed under the terms of Sections
    162     1 and 2 above on a medium customarily used for software interchange; or,
    163 
    164     b) Accompany it with a written offer, valid for at least three
    165     years, to give any third party, for a charge no more than your
    166     cost of physically performing source distribution, a complete
    167     machine-readable copy of the corresponding source code, to be
    168     distributed under the terms of Sections 1 and 2 above on a medium
    169     customarily used for software interchange; or,
    170 
    171     c) Accompany it with the information you received as to the offer
    172     to distribute corresponding source code.  (This alternative is
    173     allowed only for noncommercial distribution and only if you
    174     received the program in object code or executable form with such
    175     an offer, in accord with Subsection b above.)
    176 
    177 The source code for a work means the preferred form of the work for
    178 making modifications to it.  For an executable work, complete source
    179 code means all the source code for all modules it contains, plus any
    180 associated interface definition files, plus the scripts used to
    181 control compilation and installation of the executable.  However, as a
    182 special exception, the source code distributed need not include
    183 anything that is normally distributed (in either source or binary
    184 form) with the major components (compiler, kernel, and so on) of the
    185 operating system on which the executable runs, unless that component
    186 itself accompanies the executable.
    187 
    188 If distribution of executable or object code is made by offering
    189 access to copy from a designated place, then offering equivalent
    190 access to copy the source code from the same place counts as
    191 distribution of the source code, even though third parties are not
    192 compelled to copy the source along with the object code.
    193 
    194   4. You may not copy, modify, sublicense, or distribute the Program
    195 except as expressly provided under this License.  Any attempt
    196 otherwise to copy, modify, sublicense or distribute the Program is
    197 void, and will automatically terminate your rights under this License.
    198 However, parties who have received copies, or rights, from you under
    199 this License will not have their licenses terminated so long as such
    200 parties remain in full compliance.
    201 
    202   5. You are not required to accept this License, since you have not
    203 signed it.  However, nothing else grants you permission to modify or
    204 distribute the Program or its derivative works.  These actions are
    205 prohibited by law if you do not accept this License.  Therefore, by
    206 modifying or distributing the Program (or any work based on the
    207 Program), you indicate your acceptance of this License to do so, and
    208 all its terms and conditions for copying, distributing or modifying
    209 the Program or works based on it.
    210 
    211   6. Each time you redistribute the Program (or any work based on the
    212 Program), the recipient automatically receives a license from the
    213 original licensor to copy, distribute or modify the Program subject to
    214 these terms and conditions.  You may not impose any further
    215 restrictions on the recipients' exercise of the rights granted herein.
    216 You are not responsible for enforcing compliance by third parties to
    217 this License.
    218 
    219   7. If, as a consequence of a court judgment or allegation of patent
    220 infringement or for any other reason (not limited to patent issues),
    221 conditions are imposed on you (whether by court order, agreement or
    222 otherwise) that contradict the conditions of this License, they do not
    223 excuse you from the conditions of this License.  If you cannot
    224 distribute so as to satisfy simultaneously your obligations under this
    225 License and any other pertinent obligations, then as a consequence you
    226 may not distribute the Program at all.  For example, if a patent
    227 license would not permit royalty-free redistribution of the Program by
    228 all those who receive copies directly or indirectly through you, then
    229 the only way you could satisfy both it and this License would be to
    230 refrain entirely from distribution of the Program.
    231 
    232 If any portion of this section is held invalid or unenforceable under
    233 any particular circumstance, the balance of the section is intended to
    234 apply and the section as a whole is intended to apply in other
    235 circumstances.
    236 
    237 It is not the purpose of this section to induce you to infringe any
    238 patents or other property right claims or to contest validity of any
    239 such claims; this section has the sole purpose of protecting the
    240 integrity of the free software distribution system, which is
    241 implemented by public license practices.  Many people have made
    242 generous contributions to the wide range of software distributed
    243 through that system in reliance on consistent application of that
    244 system; it is up to the author/donor to decide if he or she is willing
    245 to distribute software through any other system and a licensee cannot
    246 impose that choice.
    247 
    248 This section is intended to make thoroughly clear what is believed to
    249 be a consequence of the rest of this License.
    250 
    251   8. If the distribution and/or use of the Program is restricted in
    252 certain countries either by patents or by copyrighted interfaces, the
    253 original copyright holder who places the Program under this License
    254 may add an explicit geographical distribution limitation excluding
    255 those countries, so that distribution is permitted only in or among
    256 countries not thus excluded.  In such case, this License incorporates
    257 the limitation as if written in the body of this License.
    258 
    259   9. The Free Software Foundation may publish revised and/or new versions
    260 of the General Public License from time to time.  Such new versions will
    261 be similar in spirit to the present version, but may differ in detail to
    262 address new problems or concerns.
    263 
    264 Each version is given a distinguishing version number.  If the Program
    265 specifies a version number of this License which applies to it and "any
    266 later version", you have the option of following the terms and conditions
    267 either of that version or of any later version published by the Free
    268 Software Foundation.  If the Program does not specify a version number of
    269 this License, you may choose any version ever published by the Free Software
    270 Foundation.
    271 
    272   10. If you wish to incorporate parts of the Program into other free
    273 programs whose distribution conditions are different, write to the author
    274 to ask for permission.  For software which is copyrighted by the Free
    275 Software Foundation, write to the Free Software Foundation; we sometimes
    276 make exceptions for this.  Our decision will be guided by the two goals
    277 of preserving the free status of all derivatives of our free software and
    278 of promoting the sharing and reuse of software generally.
    279 
    280 			    NO WARRANTY
    281 
    282   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
    283 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
    284 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
    285 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
    286 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
    287 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
    288 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
    289 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
    290 REPAIR OR CORRECTION.
    291 
    292   12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
    293 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
    294 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
    295 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
    296 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
    297 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
    298 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
    299 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
    300 POSSIBILITY OF SUCH DAMAGES.
    301 
    302 		     END OF TERMS AND CONDITIONS
    303 
    304 	    How to Apply These Terms to Your New Programs
    305 
    306   If you develop a new program, and you want it to be of the greatest
    307 possible use to the public, the best way to achieve this is to make it
    308 free software which everyone can redistribute and change under these terms.
    309 
    310   To do so, attach the following notices to the program.  It is safest
    311 to attach them to the start of each source file to most effectively
    312 convey the exclusion of warranty; and each file should have at least
    313 the "copyright" line and a pointer to where the full notice is found.
    314 
    315     <one line to give the program's name and a brief idea of what it does.>
    316     Copyright (C) <year>  <name of author>
    317 
    318     This program is free software; you can redistribute it and/or modify
    319     it under the terms of the GNU General Public License as published by
    320     the Free Software Foundation; either version 2 of the License, or
    321     (at your option) any later version.
    322 
    323     This program is distributed in the hope that it will be useful,
    324     but WITHOUT ANY WARRANTY; without even the implied warranty of
    325     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    326     GNU General Public License for more details.
    327 
    328     You should have received a copy of the GNU General Public License
    329     along with this program; if not, write to the Free Software
    330     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    331 
    332 
    333 Also add information on how to contact you by electronic and paper mail.
    334 
    335 If the program is interactive, make it output a short notice like this
    336 when it starts in an interactive mode:
    337 
    338     Gnomovision version 69, Copyright (C) year name of author
    339     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    340     This is free software, and you are welcome to redistribute it
    341     under certain conditions; type `show c' for details.
    342 
    343 The hypothetical commands `show w' and `show c' should show the appropriate
    344 parts of the General Public License.  Of course, the commands you use may
    345 be called something other than `show w' and `show c'; they could even be
    346 mouse-clicks or menu items--whatever suits your program.
    347 
    348 You should also get your employer (if you work as a programmer) or your
    349 school, if any, to sign a "copyright disclaimer" for the program, if
    350 necessary.  Here is a sample; alter the names:
    351 
    352   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
    353   `Gnomovision' (which makes passes at compilers) written by James Hacker.
    354 
    355   <signature of Ty Coon>, 1 April 1989
    356   Ty Coon, President of Vice
    357 
    358 This General Public License does not permit incorporating your program into
    359 proprietary programs.  If your program is a subroutine library, you may
    360 consider it more useful to permit linking proprietary applications with the
    361 library.  If this is what you want to do, use the GNU Library General
    362 Public License instead of this License.
    363