From aa38ead6c40ac2d5d9545106b4910a6f11a33b2b Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Mon, 11 Apr 2016 19:56:58 -0500 Subject: [PATCH] Use standard CC0 public domain dedication --- COPYING | 121 +++++++++++++++++++++++++++++++++++++++ README.md | 6 +- src/adler32.c | 12 ++-- src/aligned_malloc.c | 18 ++++-- src/bt_matchfinder.h | 12 ++-- src/crc32.c | 12 ++-- src/decompress_impl.h | 18 +++++- src/deflate_compress.c | 12 ++-- src/deflate_decompress.c | 12 ++-- src/gzip_compress.c | 12 ++-- src/gzip_decompress.c | 12 ++-- src/hc_matchfinder.h | 12 ++-- src/x86_cpu_features.c | 12 ++-- src/zlib_compress.c | 12 ++-- src/zlib_decompress.c | 12 ++-- tools/benchmark.c | 12 ++-- tools/gen_crc32_table.c | 12 ++-- tools/gzip.c | 12 ++-- 18 files changed, 261 insertions(+), 70 deletions(-) create mode 100644 COPYING diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..0e259d4 --- /dev/null +++ b/COPYING @@ -0,0 +1,121 @@ +Creative Commons Legal Code + +CC0 1.0 Universal + + CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE + LEGAL SERVICES. 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Affirmer understands and acknowledges that Creative Commons is not a + party to this document and has no duty or obligation with respect to + this CC0 or use of the Work. diff --git a/README.md b/README.md index 55905f0..2c3438f 100644 --- a/README.md +++ b/README.md @@ -15,10 +15,8 @@ library, both for compression and decompression, and especially on x86 processors. In addition, libdeflate provides optional high compression modes that provide a better compression ratio than the zlib's "level 9". -libdeflate is released into the public domain. The author claims no copyright -on it, and anyone is free to use it for any reason. The software is provided -'as-is', without any express or implied warranty; in no event will the author be -held liable for any damages arising from the use of the software. +libdeflate is placed in the public domain; see the CC0 Public Domain Dedication +in the COPYING file for more details. Building ======== diff --git a/src/adler32.c b/src/adler32.c index 69850a0..a1c8efe 100644 --- a/src/adler32.c +++ b/src/adler32.c @@ -1,11 +1,15 @@ /* * adler32.c - Adler-32 checksum algorithm * - * Author: Eric Biggers - * Year: 2014, 2015 + * Written in 2014-2015 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "adler32.h" diff --git a/src/aligned_malloc.c b/src/aligned_malloc.c index fbaeb77..9b03505 100644 --- a/src/aligned_malloc.c +++ b/src/aligned_malloc.c @@ -1,15 +1,21 @@ /* * aligned_malloc.c - aligned memory allocation * + * Written in 2014-2015 by Eric Biggers + * + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . + */ + +/* * This file provides portable aligned memory allocation functions that only * use malloc() and free(). This avoids portability problems with * posix_memalign(), aligned_alloc(), etc. - * - * Author: Eric Biggers - * Year: 2014, 2015 - * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. */ #include "aligned_malloc.h" diff --git a/src/bt_matchfinder.h b/src/bt_matchfinder.h index 7588695..5d2870e 100644 --- a/src/bt_matchfinder.h +++ b/src/bt_matchfinder.h @@ -1,11 +1,15 @@ /* * bt_matchfinder.h - Lempel-Ziv matchfinding with a hash table of binary trees * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . * * ---------------------------------------------------------------------------- * diff --git a/src/crc32.c b/src/crc32.c index 0d76571..ca15728 100644 --- a/src/crc32.c +++ b/src/crc32.c @@ -1,11 +1,15 @@ /* * crc32.c - CRC-32 checksum algorithm for the gzip format * - * Author: Eric Biggers - * Year: 2014, 2015 + * Written in 2014-2015 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ /* diff --git a/src/decompress_impl.h b/src/decompress_impl.h index d703fa3..1a199db 100644 --- a/src/decompress_impl.h +++ b/src/decompress_impl.h @@ -1,9 +1,21 @@ /* * decompress_impl.h * - * The actual DEFLATE decompression routine, lifted out of deflate_decompress.c - * so that it can be compiled multiple times with different target instruction - * sets. + * Written in 2014-2016 by Eric Biggers + * + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . + */ + +/* + * This is the actual DEFLATE decompression routine, lifted out of + * deflate_decompress.c so that it can be compiled multiple times with different + * target instruction sets. */ static enum decompress_result ATTRIBUTES diff --git a/src/deflate_compress.c b/src/deflate_compress.c index c7983ba..7a2bd39 100644 --- a/src/deflate_compress.c +++ b/src/deflate_compress.c @@ -1,11 +1,15 @@ /* * deflate_compress.c - a compressor for DEFLATE * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include diff --git a/src/deflate_decompress.c b/src/deflate_decompress.c index 2e945b0..c39feb6 100644 --- a/src/deflate_decompress.c +++ b/src/deflate_decompress.c @@ -1,11 +1,15 @@ /* * deflate_decompress.c - a decompressor for DEFLATE * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . * * --------------------------------------------------------------------------- * diff --git a/src/gzip_compress.c b/src/gzip_compress.c index 1945353..482732f 100644 --- a/src/gzip_compress.c +++ b/src/gzip_compress.c @@ -1,11 +1,15 @@ /* * gzip_compress.c - compress with a gzip wrapper * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "crc32.h" diff --git a/src/gzip_decompress.c b/src/gzip_decompress.c index 20a3ab5..0eceac9 100644 --- a/src/gzip_decompress.c +++ b/src/gzip_decompress.c @@ -1,11 +1,15 @@ /* * gzip_decompress.c - decompress with a gzip wrapper * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "crc32.h" diff --git a/src/hc_matchfinder.h b/src/hc_matchfinder.h index 2b55645..3cb0960 100644 --- a/src/hc_matchfinder.h +++ b/src/hc_matchfinder.h @@ -1,11 +1,15 @@ /* * hc_matchfinder.h - Lempel-Ziv matchfinding with a hash table of linked lists * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . * * --------------------------------------------------------------------------- * diff --git a/src/x86_cpu_features.c b/src/x86_cpu_features.c index b0014b5..4d7cc39 100644 --- a/src/x86_cpu_features.c +++ b/src/x86_cpu_features.c @@ -1,11 +1,15 @@ /* * x86_cpu_features.c - feature detection for x86 processors * - * Author: Eric Biggers - * Year: 2015 + * Written in 2015 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "x86_cpu_features.h" diff --git a/src/zlib_compress.c b/src/zlib_compress.c index 0a5e813..c37ef53 100644 --- a/src/zlib_compress.c +++ b/src/zlib_compress.c @@ -1,11 +1,15 @@ /* * zlib_compress.c - compress with a zlib wrapper * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "adler32.h" diff --git a/src/zlib_decompress.c b/src/zlib_decompress.c index 5404886..6bd345f 100644 --- a/src/zlib_decompress.c +++ b/src/zlib_decompress.c @@ -1,11 +1,15 @@ /* * zlib_decompress.c - decompress with a zlib wrapper * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "adler32.h" diff --git a/tools/benchmark.c b/tools/benchmark.c index e6e503f..d0e06e5 100644 --- a/tools/benchmark.c +++ b/tools/benchmark.c @@ -1,11 +1,15 @@ /* * benchmark.c - a compression testing and benchmark program * - * Author: Eric Biggers - * Year: 2014-2016 + * Written in 2014-2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ diff --git a/tools/gen_crc32_table.c b/tools/gen_crc32_table.c index 93bc451..4437498 100644 --- a/tools/gen_crc32_table.c +++ b/tools/gen_crc32_table.c @@ -1,13 +1,15 @@ /* * gen_crc32_table.c - a program for CRC-32 table generation * - * See crc32.c for more details about CRC computation. + * Written in 2014-2015 by Eric Biggers * - * Author: Eric Biggers - * Year: 2014, 2015 + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include diff --git a/tools/gzip.c b/tools/gzip.c index fa974e0..e2d51e4 100644 --- a/tools/gzip.c +++ b/tools/gzip.c @@ -1,11 +1,15 @@ /* * gzip.c - a gzip-like command line tool that uses libdeflate * - * Author: Eric Biggers - * Year: 2016 + * Written in 2016 by Eric Biggers * - * The author dedicates this file to the public domain. - * You can do whatever you want with this file. + * To the extent possible under law, the author(s) have dedicated all copyright + * and related and neighboring rights to this software to the public domain + * worldwide. This software is distributed without any warranty. + * + * You should have received a copy of the CC0 Public Domain Dedication along + * with this software. If not, see + * . */ #include "util.h"