ruby/LEGAL

LEGAL NOTICE INFORMATION
------------------------

All the files in this distribution are covered under either the Ruby's
license (see the file COPYING) or public-domain except some files
mentioned below.

regex.[ch]:

  These files are under LGPL.  Treat them as LGPL says. (See the
  file LGPL for details)

    Extended regular expression matching and search library.
    Copyright (C) 1993, 94, 95, 96, 97, 98 Free Software Foundation, Inc.

    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.

    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file LGPL.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */

    Multi-byte extension added May, 1993 by t^2 (Takahiro Tanimoto)
    Last change: May 21, 1993 by t^2
    removed gapped buffer support, multiple syntax support by matz <matz@nts.co.jp>
    Perl5 extension added by matz <matz@caelum.co.jp>
    UTF-8 extension added Jan 16 1999 by Yoshida Masato  <yoshidam@tau.bekkoame.ne.jp>

util.c (partly):
win32/win32.[ch]:

  You can apply the Artistic Licence to these files. (or GPL,
  alternatively)

    Copyright (c) 1993, Intergraph Corporation

    You may distribute under the terms of either the GNU General Public
    License or the Artistic License, as specified in the perl README file.

st.[ch]:
x68/*:
missing/alloca.c:
missing/dup2.c:
missing/finite.c:
missing/hypot.c:
missing/isinf.c:
missing/isnan.c:
missing/memcmp.c:
missing/memmove.c:
missing/mkdir.c:
missing/strcasecmp.c:
missing/strchr.c:
missing/streror.c:
missing/strftime.c:
missing/strncasecmp.c:
missing/strstr.c:
missing/strtol.c:
ext/sha1/sha1.[ch]:

  These files are all under public domain.

missing/strtod.c:

  This file will not be used on most platforms depending on how the
  configure script results.  In any case you must not receive any fee
  with the file itself.

    Copyright (c) 1988-1993 The Regents of the University of California.
    Copyright (c) 1994 Sun Microsystems, Inc.

    Permission to use, copy, modify, and distribute this
    software and its documentation for any purpose and without
    fee is hereby granted, provided that the above copyright
    notice appear in all copies.  The University of California
    makes no representations about the suitability of this
    software for any purpose.  It is provided "as is" without
    express or implied warranty.

missing/strtoul.c:

  This file will not be used on most platforms depending on how the
  configure script results.  In any case you must not receive any fee
  with the file itself.

    Copyright 1988 Regents of the University of California

    Permission to use, copy, modify, and distribute this
    software and its documentation for any purpose and without
    fee is hereby granted, provided that the above copyright
    notice appear in all copies.  The University of California
    makes no representations about the suitability of this
    software for any purpose.  It is provided "as is" without
    express or implied warranty.

missing/vsnprintf.c:

  This file is under the old-style BSD licence.  Note that the
  paragraph 3 below is now null and void.

    Copyright (c) 1990, 1993
         The Regents of the University of California.  All rights reserved.

    This code is derived from software contributed to Berkeley by
    Chris Torek.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
    3. All advertising materials mentioning features or use of this software
       must display the following acknowledgement:
         This product includes software developed by the University of
         California, Berkeley and its contributors.
    4. Neither the name of the University nor the names of its contributors
       may be used to endorse or promote products derived from this software
       without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    SUCH DAMAGE.

    IMPORTANT NOTE:
    --------------
    From ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
    paragraph 3 above is now null and void.

ext/md5/md5c.c:
ext/md5/md5.h:

  These files are under the following license.  Ruby uses modified
  versions of them.

    Copyright (C) 1999, 2000 Aladdin Enterprises.  All rights reserved.

    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.

    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:

    1. The origin of this software must not be misrepresented; you must not
       claim that you wrote the original software. If you use this software
       in a product, an acknowledgment in the product documentation would be
       appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be
       misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.

    L. Peter Deutsch
    ghost@aladdin.com

ext/socket/addrinfo.h:
ext/socket/getaddrinfo.c:
ext/socket/getnameinfo.c:

  This file is under the BSD licence.

    Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
    3. Neither the name of the project nor the names of its contributors
       may be used to endorse or promote products derived from this software
       without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    SUCH DAMAGE.