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Rich Felker3f063692012-05-05 00:16:21 -04001musl as a whole is licensed under the following standard MIT license:
Rich Felker0b44a032011-02-12 00:22:29 -05002
Rich Felker4ed1d0a2014-03-20 00:34:19 -04003----------------------------------------------------------------------
4Copyright © 2005-2014 Rich Felker, et al.
Rich Felker3f063692012-05-05 00:16:21 -04005
6Permission is hereby granted, free of charge, to any person obtaining
7a copy of this software and associated documentation files (the
8"Software"), to deal in the Software without restriction, including
9without limitation the rights to use, copy, modify, merge, publish,
10distribute, sublicense, and/or sell copies of the Software, and to
11permit persons to whom the Software is furnished to do so, subject to
12the following conditions:
13
14The above copyright notice and this permission notice shall be
15included in all copies or substantial portions of the Software.
16
17THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Rich Felker4ed1d0a2014-03-20 00:34:19 -040024----------------------------------------------------------------------
Rich Felker3f063692012-05-05 00:16:21 -040025
Rich Felker4ed1d0a2014-03-20 00:34:19 -040026Authors/contributors include:
Rich Felker3f063692012-05-05 00:16:21 -040027
Rich Felker790580b2016-02-18 15:14:15 -050028Alex Dowad
Rich Felkereceaf1d2015-03-16 18:43:54 -040029Alexander Monakov
Rich Felker4ed1d0a2014-03-20 00:34:19 -040030Anthony G. Basile
31Arvid Picciani
32Bobby Bingham
33Boris Brezillon
Rich Felker42726022014-07-31 16:06:11 -040034Brent Cook
Rich Felker4ed1d0a2014-03-20 00:34:19 -040035Chris Spiegel
Rich Felker42726022014-07-31 16:06:11 -040036Clément Vasseur
Rich Felker790580b2016-02-18 15:14:15 -050037Daniel Micay
Rich Felkereceaf1d2015-03-16 18:43:54 -040038Denys Vlasenko
Rich Felker4ed1d0a2014-03-20 00:34:19 -040039Emil Renner Berthing
Rich Felkereceaf1d2015-03-16 18:43:54 -040040Felix Fietkau
41Felix Janda
42Gianluca Anzolin
Rich Felker790580b2016-02-18 15:14:15 -050043Hauke Mehrtens
Rich Felker4ed1d0a2014-03-20 00:34:19 -040044Hiltjo Posthuma
45Isaac Dunham
Rich Felker589aefa2016-03-06 17:48:58 +000046Jaydeep Patil
Rich Felker4ed1d0a2014-03-20 00:34:19 -040047Jens Gustedt
48Jeremy Huntwork
Rich Felker790580b2016-02-18 15:14:15 -050049Jo-Philipp Wich
Rich Felkereceaf1d2015-03-16 18:43:54 -040050Joakim Sindholt
Rich Felker4ed1d0a2014-03-20 00:34:19 -040051John Spencer
Rich Felkereceaf1d2015-03-16 18:43:54 -040052Josiah Worcester
Rich Felker4ed1d0a2014-03-20 00:34:19 -040053Justin Cormack
Rich Felker790580b2016-02-18 15:14:15 -050054Khem Raj
55Kylie McClain
Rich Felker4ed1d0a2014-03-20 00:34:19 -040056Luca Barbato
57Luka Perkov
Rich Felker42726022014-07-31 16:06:11 -040058M Farkas-Dyck (Strake)
Rich Felker589aefa2016-03-06 17:48:58 +000059Mahesh Bodapati
Rich Felker4ed1d0a2014-03-20 00:34:19 -040060Michael Forney
Rich Felker790580b2016-02-18 15:14:15 -050061Natanael Copa
Rich Felker4ed1d0a2014-03-20 00:34:19 -040062Nicholas J. Kain
63orc
64Pascal Cuoq
Rich Felker790580b2016-02-18 15:14:15 -050065Petr Hosek
Rich Felker4ed1d0a2014-03-20 00:34:19 -040066Pierre Carrier
67Rich Felker
68Richard Pennington
Rich Felker790580b2016-02-18 15:14:15 -050069Shiz
Rich Felker42726022014-07-31 16:06:11 -040070sin
Rich Felker4ed1d0a2014-03-20 00:34:19 -040071Solar Designer
Rich Felker42726022014-07-31 16:06:11 -040072Stefan Kristiansson
Rich Felker4ed1d0a2014-03-20 00:34:19 -040073Szabolcs Nagy
74Timo Teräs
Rich Felkereceaf1d2015-03-16 18:43:54 -040075Trutz Behn
Rich Felker4ed1d0a2014-03-20 00:34:19 -040076Valentin Ochs
77William Haddon
Rich Felker3f063692012-05-05 00:16:21 -040078
Rich Felker4ed1d0a2014-03-20 00:34:19 -040079Portions of this software are derived from third-party works licensed
80under terms compatible with the above MIT license:
Rich Felker0b44a032011-02-12 00:22:29 -050081
82The TRE regular expression implementation (src/regex/reg* and
Rich Felkerdf82f8f2012-03-24 17:46:42 -040083src/regex/tre*) is Copyright © 2001-2008 Ville Laurikari and licensed
84under a 2-clause BSD license (license text in the source files). The
85included version has been heavily modified by Rich Felker in 2012, in
86the interests of size, simplicity, and namespace cleanliness.
Rich Felker0b44a032011-02-12 00:22:29 -050087
Rich Felker4ed1d0a2014-03-20 00:34:19 -040088Much of the math library code (src/math/* and src/complex/*) is
nsz3a6c8282012-03-13 16:06:43 +010089Copyright © 1993,2004 Sun Microsystems or
90Copyright © 2003-2011 David Schultz or
91Copyright © 2003-2009 Steven G. Kargl or
92Copyright © 2003-2009 Bruce D. Evans or
93Copyright © 2008 Stephen L. Moshier
Rich Felker4ed1d0a2014-03-20 00:34:19 -040094and labelled as such in comments in the individual source files. All
95have been licensed under extremely permissive terms.
96
97The ARM memcpy code (src/string/armel/memcpy.s) is Copyright © 2008
98The Android Open Source Project and is licensed under a two-clause BSD
99license. It was taken from Bionic libc, used on Android.
Rich Felker0b44a032011-02-12 00:22:29 -0500100
Rich Felker0d4d1a92012-08-15 00:19:42 -0400101The implementation of DES for crypt (src/misc/crypt_des.c) is
102Copyright © 1994 David Burren. It is licensed under a BSD license.
103
104The implementation of blowfish crypt (src/misc/crypt_blowfish.c) was
105originally written by Solar Designer and placed into the public
106domain. The code also comes with a fallback permissive license for use
107in jurisdictions that may not recognize the public domain.
Rich Felker0b44a032011-02-12 00:22:29 -0500108
Rich Felker22263702011-04-27 13:27:04 -0400109The smoothsort implementation (src/stdlib/qsort.c) is Copyright © 2011
Rich Felker3f063692012-05-05 00:16:21 -0400110Valentin Ochs and is licensed under an MIT-style license.
Rich Felker22263702011-04-27 13:27:04 -0400111
Rich Felkerfebbd122011-06-25 18:18:57 -0400112The BSD PRNG implementation (src/prng/random.c) and XSI search API
113(src/search/*.c) functions are Copyright © 2011 Szabolcs Nagy and
114licensed under following terms: "Permission to use, copy, modify,
115and/or distribute this code for any purpose with or without fee is
116hereby granted. There is no warranty."
Rich Felkerc7ce1b22011-06-23 18:02:23 -0400117
Rich Felker8cfbc8b2012-05-05 00:02:04 -0400118The x86_64 port was written by Nicholas J. Kain. Several files (crt)
119were released into the public domain; others are licensed under the
Rich Felker3f063692012-05-05 00:16:21 -0400120standard MIT license terms at the top of this file. See individual
121files for their copyright status.
Rich Felker0b9a1ed2011-02-15 14:52:11 -0500122
Rich Felker22781b42012-11-14 20:24:46 -0500123The mips and microblaze ports were originally written by Richard
124Pennington for use in the ellcc project. The original code was adapted
125by Rich Felker for build system and code conventions during upstream
126integration. It is licensed under the standard MIT terms.
Rich Felker0d4d1a92012-08-15 00:19:42 -0400127
Rich Felker589aefa2016-03-06 17:48:58 +0000128The mips64 port was contributed by Imagination Technologies and is
129licensed under the standard MIT terms.
130
Rich Felker22781b42012-11-14 20:24:46 -0500131The powerpc port was also originally written by Richard Pennington,
132and later supplemented and integrated by John Spencer. It is licensed
133under the standard MIT terms.
134
135All other files which have no copyright comments are original works
Rich Felker4ed1d0a2014-03-20 00:34:19 -0400136produced specifically for use as part of this library, written either
137by Rich Felker, the main author of the library, or by one or more
138contibutors listed above. Details on authorship of individual files
139can be found in the git version control history of the project. The
140omission of copyright and license comments in each file is in the
141interest of source tree size.
142
143All public header files (include/* and arch/*/bits/*) should be
Rich Felker87646462013-04-20 14:01:33 -0400144treated as Public Domain as they intentionally contain no content
145which can be covered by copyright. Some source modules may fall in
146this category as well. If you believe that a file is so trivial that
Rich Felker4ed1d0a2014-03-20 00:34:19 -0400147it should be in the Public Domain, please contact the authors and
148request an explicit statement releasing it from copyright.
Rich Felker05ea0452011-02-13 23:32:01 -0500149
Rich Felker4ed1d0a2014-03-20 00:34:19 -0400150The following files are trivial, believed not to be copyrightable in
Rich Felker05ea0452011-02-13 23:32:01 -0500151the first place, and hereby explicitly released to the Public Domain:
152
Rich Felker5d37b792013-04-20 14:03:12 -0400153All public headers: include/*, arch/*/bits/*
Rich Felker05ea0452011-02-13 23:32:01 -0500154Startup files: crt/*