那几种BSD协议有什么区别么？

cobranail

我看到过下面几种BSD授权协议，他们之间有什么区别么？
BSD 2-clause
BSD 3-clause
BSD License (original)
BSD License (revised)

995636

没仔细看过，恳请懂点法律的大虾指点。

雨丝风片

原帖由 cobranail 于 2006-12-25 19:09 发表
我看到过下面几种BSD授权协议，他们之间有什么区别么？
BSD 2-clause
BSD 3-clause
BSD License (original)
BSD License (revised)

BSD License (original)，（取自4.4BSD-Lite2, kern_synch.c）：

1. * Redistribution and use in source and binary forms, with or without
   
2. * modification, are permitted provided that the following conditions
   
3. * are met:
   
4. * 1. Redistributions of source code must retain the above copyright
   
5. *    notice, this list of conditions and the following disclaimer.
   
6. * 2. Redistributions in binary form must reproduce the above copyright
   
7. *    notice, this list of conditions and the following disclaimer in the
   
8. *    documentation and/or other materials provided with the distribution.
   
9. * 3. All advertising materials mentioning features or use of this software
   
10. *    must display the following acknowledgement:
    
11. *        This product includes software developed by the University of
    
12. *        California, Berkeley and its contributors.
    
13. * 4. Neither the name of the University nor the names of its contributors
    
14. *    may be used to endorse or promote products derived from this software
    
15. *    without specific prior written permission.
    
16. *
    
17. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    
18. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    
19. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    
20. * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    
21. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    
22. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    
23. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    
24. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    
25. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    
26. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    
27. * SUCH DAMAGE.

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BSD 3-clause、BSD License (revised)，（取自FreeBSD6.1, kern_synch.c）：

1. * Redistribution and use in source and binary forms, with or without
   
2. * modification, are permitted provided that the following conditions
   
3. * are met:
   
4. * 1. Redistributions of source code must retain the above copyright
   
5. *    notice, this list of conditions and the following disclaimer.
   
6. * 2. Redistributions in binary form must reproduce the above copyright
   
7. *    notice, this list of conditions and the following disclaimer in the
   
8. *    documentation and/or other materials provided with the distribution.
   
9. * 4. Neither the name of the University nor the names of its contributors
   
10. *    may be used to endorse or promote products derived from this software
    
11. *    without specific prior written permission.
    
12. *
    
13. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    
14. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    
15. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    
16. * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    
17. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    
18. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    
19. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    
20. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    
21. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    
22. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    
23. * SUCH DAMAGE.

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BSD 2-clause，（取自FreeBSD6.1, kern_intr.c）：

1. * Redistribution and use in source and binary forms, with or without
   
2. * modification, are permitted provided that the following conditions
   
3. * are met:
   
4. * 1. Redistributions of source code must retain the above copyright
   
5. *    notice unmodified, this list of conditions, and the following
   
6. *    disclaimer.
   
7. * 2. Redistributions in binary form must reproduce the above copyright
   
8. *    notice, this list of conditions and the following disclaimer in the
   
9. *    documentation and/or other materials provided with the distribution.
   
10. *
    
11. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    
12. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    
13. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    
14. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    
15. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    
16. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    
17. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    
18. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    
19. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    
20. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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gvim

BSD 3-clause 里面为什么没有第3条呢，直接就调到4？

雨丝风片

原帖由 gvim 于 2006-12-26 11:59 发表
BSD 3-clause 里面为什么没有第3条呢，直接就调到4？

直接删除第三条。为避免“不必要的”diff，“4”就没有改成“3”。