1 7-Zip source code 2 ~~~~~~~~~~~~~~~~~ 3 License for use and distribution 4 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 5 6 7-Zip Copyright (C) 1999-2024 Igor Pavlov. 7 8 The licenses for files are: 9 10 - CPP/7zip/Compress/Rar* files: the "GNU LGPL" with "unRAR license restriction" 11 - CPP/7zip/Compress/LzfseDecoder.cpp: the "BSD 3-clause License" 12 - C/ZstdDec.c: the "BSD 3-clause License" 13 - C/Xxh64.c: the "BSD 2-clause License" 14 - Some files are "public domain" files, if "public domain" status is stated in source file. 15 - the "GNU LGPL" for all other files. If there is no license information in 16 some source file, that file is under the "GNU LGPL". 17 18 The "GNU LGPL" with "unRAR license restriction" means that you must follow both 19 "GNU LGPL" rules and "unRAR license restriction" rules. 20 21 22 23 24GNU LGPL information 25-------------------- 26 27 This library is free software; you can redistribute it and/or 28 modify it under the terms of the GNU Lesser General Public 29 License as published by the Free Software Foundation; either 30 version 2.1 of the License, or (at your option) any later version. 31 32 This library is distributed in the hope that it will be useful, 33 but WITHOUT ANY WARRANTY; without even the implied warranty of 34 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 35 Lesser General Public License for more details. 36 37 You should have received a copy of the GNU Lesser General Public 38 License along with this library; if not, 39 you can get a copy of the GNU Lesser General Public License from 40 http://www.gnu.org/ 41 42 43 44 45BSD 3-clause License in 7-Zip code 46---------------------------------- 47 48 The "BSD 3-clause License" is used for the following code in 7z.dll 49 1) LZFSE data decompression. 50 CPP/7zip/Compress/LzfseDecoder.cpp. 51 That code was derived from the code in the "LZFSE compression library" developed by Apple Inc, 52 that also uses the "BSD 3-clause License". 53 2) ZSTD data decompression. 54 C/ZstdDec.c 55 that code was developed using original zstd decoder code as reference code. 56 The original zstd decoder code was developed by Facebook Inc, 57 that also uses the "BSD 3-clause License". 58 59 Copyright (c) 2015-2016, Apple Inc. All rights reserved. 60 Copyright (c) Facebook, Inc. All rights reserved. 61 Copyright (c) 2023-2024 Igor Pavlov. 62 63Text of the "BSD 3-clause License" 64---------------------------------- 65 66Redistribution and use in source and binary forms, with or without modification, 67are permitted provided that the following conditions are met: 68 691. Redistributions of source code must retain the above copyright notice, this 70 list of conditions and the following disclaimer. 71 722. Redistributions in binary form must reproduce the above copyright notice, 73 this list of conditions and the following disclaimer in the documentation 74 and/or other materials provided with the distribution. 75 763. Neither the name of the copyright holder nor the names of its contributors may 77 be used to endorse or promote products derived from this software without 78 specific prior written permission. 79 80THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 81ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 82WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 83DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 84ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 85(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 86LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 87ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 88(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 89SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 90 91--- 92 93 94 95 96BSD 2-clause License in 7-Zip code 97---------------------------------- 98 99 The "BSD 2-clause License" is used for the XXH64 code in 7-Zip. 100 C/Xxh64.c 101 102 XXH64 code in 7-Zip was derived from the original XXH64 code developed by Yann Collet. 103 104 Copyright (c) 2012-2021 Yann Collet. 105 Copyright (c) 2023-2024 Igor Pavlov. 106 107Text of the "BSD 2-clause License" 108---------------------------------- 109 110Redistribution and use in source and binary forms, with or without modification, 111are permitted provided that the following conditions are met: 112 1131. Redistributions of source code must retain the above copyright notice, this 114 list of conditions and the following disclaimer. 115 1162. Redistributions in binary form must reproduce the above copyright notice, 117 this list of conditions and the following disclaimer in the documentation 118 and/or other materials provided with the distribution. 119 120THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 121ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 122WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 123DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 124ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 125(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 126LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 127ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 128(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 129SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 130 131--- 132 133 134 135 136unRAR license restriction 137------------------------- 138 139The decompression engine for RAR archives was developed using source 140code of unRAR program. 141All copyrights to original unRAR code are owned by Alexander Roshal. 142 143The license for original unRAR code has the following restriction: 144 145 The unRAR sources cannot be used to re-create the RAR compression algorithm, 146 which is proprietary. Distribution of modified unRAR sources in separate form 147 or as a part of other software is permitted, provided that it is clearly 148 stated in the documentation and source comments that the code may 149 not be used to develop a RAR (WinRAR) compatible archiver. 150 151-- 152