Merge pull request #2054 from terrelln/license-fix

Standardize and fix copyright and licenses

.circleci/config.yml

@@ -12,6 +12,7 @@ jobs:
       - run:
           name: Test
           command: |
+            ./tests/test-license.py
             cc -v; CFLAGS="-O0 -Werror" make all && make clean
             make c99build         ; make clean
             make c11build         ; make clean

Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 PRGDIR   = programs

doc/educational_decoder/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 ZSTD ?= zstd   # note: requires zstd installation on local system

doc/educational_decoder/harness.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2017-present, Facebook, Inc.
+ * Copyright (c) 2017-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #include <stdio.h>

doc/educational_decoder/zstd_decompress.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2017-present, Facebook, Inc.
+ * Copyright (c) 2017-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /// Zstandard educational decoder implementation

doc/educational_decoder/zstd_decompress.h

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #include <stddef.h>   /* size_t */

examples/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 # This Makefile presumes libzstd is installed, using `sudo make install`

examples/common.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/dictionary_compression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020 Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/dictionary_decompression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/multiple_simple_compression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/multiple_streaming_compression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/simple_compression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/simple_decompression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/streaming_compression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/streaming_decompression.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

examples/streaming_memory_usage.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2017-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 # Version numbers

lib/common/bitstream.h

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   bitstream
+ * bitstream
-   Part of FSE library
+ * Part of FSE library
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * You can contact the author at :
-
+ * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-   You can contact the author at :
-   - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
 ****************************************************************** */
 #ifndef BITSTREAM_H_MODULE
 #define BITSTREAM_H_MODULE

lib/common/compiler.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/cpu.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-present, Facebook, Inc.
+ * Copyright (c) 2018-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/debug.c

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   debug
+ * debug
-   Part of FSE library
+ * Part of FSE library
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * You can contact the author at :
-
+ * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-   You can contact the author at :
-   - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
 ****************************************************************** */
 
 

lib/common/debug.h

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   debug
+ * debug
-   Part of FSE library
+ * Part of FSE library
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * You can contact the author at :
-
+ * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-   You can contact the author at :
-   - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
 ****************************************************************** */
 
 

lib/common/entropy_common.c

@@ -1,36 +1,16 @@
-/*
+/* ******************************************************************
-   Common functions of New Generation Entropy library
+ * Common functions of New Generation Entropy library
-   Copyright (C) 2016, Yann Collet.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *  - Public forum : https://groups.google.com/forum/#!forum/lz4c
-   modification, are permitted provided that the following conditions are
+ *
-   met:
+ * This source code is licensed under both the BSD-style license (found in the
-
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-       * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-   notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
-    - Public forum : https://groups.google.com/forum/#!forum/lz4c
-*************************************************************************** */
 
 /* *************************************
 *  Dependencies

lib/common/error_private.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/error_private.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/fse.h

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   FSE : Finite State Entropy codec
+ * FSE : Finite State Entropy codec
-   Public Prototypes declaration
+ * Public Prototypes declaration
-   Copyright (C) 2013-2016, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * You can contact the author at :
-
+ * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-   You can contact the author at :
-   - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
 ****************************************************************** */
 
 #if defined (__cplusplus)

lib/common/fse_decompress.c

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   FSE : Finite State Entropy decoder
+ * FSE : Finite State Entropy decoder
-   Copyright (C) 2013-2015, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *  - Public forum : https://groups.google.com/forum/#!forum/lz4c
-   modification, are permitted provided that the following conditions are
+ *
-   met:
+ * This source code is licensed under both the BSD-style license (found in the
-
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-       * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-   notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-    - Public forum : https://groups.google.com/forum/#!forum/lz4c
 ****************************************************************** */
 
 

lib/common/huf.h

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   huff0 huffman codec,
+ * huff0 huffman codec,
-   part of Finite State Entropy library
+ * part of Finite State Entropy library
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * You can contact the author at :
-
+ * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-   You can contact the author at :
-   - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
 ****************************************************************** */
 
 #if defined (__cplusplus)

lib/common/mem.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/pool.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/pool.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/threading.c

@@ -2,12 +2,13 @@
  * Copyright (c) 2016 Tino Reichardt
  * All rights reserved.
  *
+ * You can contact the author at:
+ * - zstdmt source repository: https://github.com/mcmilk/zstdmt
+ *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
- *
+ * You may select, at your option, one of the above-listed licenses.
- * You can contact the author at:
- * - zstdmt source repository: https://github.com/mcmilk/zstdmt
  */
 
 /**

lib/common/threading.h

@@ -2,12 +2,13 @@
  * Copyright (c) 2016 Tino Reichardt
  * All rights reserved.
  *
+ * You can contact the author at:
+ * - zstdmt source repository: https://github.com/mcmilk/zstdmt
+ *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
- *
+ * You may select, at your option, one of the above-listed licenses.
- * You can contact the author at:
- * - zstdmt source repository: https://github.com/mcmilk/zstdmt
  */
 
 #ifndef THREADING_H_938743

lib/common/xxhash.c

@@ -1,35 +1,15 @@
 /*
-*  xxHash - Fast Hash algorithm
+ *  xxHash - Fast Hash algorithm
-*  Copyright (C) 2012-2016, Yann Collet
+ *  Copyright (c) 2012-2020, Yann Collet, Facebook, Inc.
-*
+ *
-*  BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-*
+ *  - xxHash homepage: http://www.xxhash.com
-*  Redistribution and use in source and binary forms, with or without
+ *  - xxHash source repository : https://github.com/Cyan4973/xxHash
-*  modification, are permitted provided that the following conditions are
+ * 
-*  met:
+ * This source code is licensed under both the BSD-style license (found in the
-*
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-*  * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-*  notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-*  * 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.
-*
-*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-*  OWNER 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.
-*
-*  You can contact the author at :
-*  - xxHash homepage: http://www.xxhash.com
-*  - xxHash source repository : https://github.com/Cyan4973/xxHash
 */
 
 

lib/common/xxhash.h

@@ -1,35 +1,15 @@
 /*
-   xxHash - Extremely Fast Hash algorithm
+ * xxHash - Extremely Fast Hash algorithm
-   Header File
+ * Header File
-   Copyright (C) 2012-2016, Yann Collet.
+ * Copyright (c) 2012-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * You can contact the author at :
-
+ * - xxHash source repository : https://github.com/Cyan4973/xxHash
-   Redistribution and use in source and binary forms, with or without
+ * 
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-   You can contact the author at :
-   - xxHash source repository : https://github.com/Cyan4973/xxHash
 */
 
 /* Notice extracted from xxHash homepage :

lib/common/zstd_common.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/zstd_errors.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/common/zstd_internal.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/fse_compress.c

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   FSE : Finite State Entropy encoder
+ * FSE : Finite State Entropy encoder
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *  - Public forum : https://groups.google.com/forum/#!forum/lz4c
-   modification, are permitted provided that the following conditions are
+ *
-   met:
+ * This source code is licensed under both the BSD-style license (found in the
-
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-       * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-   notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-    - Public forum : https://groups.google.com/forum/#!forum/lz4c
 ****************************************************************** */
 
 /* **************************************************************

lib/compress/hist.c

@@ -1,36 +1,16 @@
 /* ******************************************************************
-   hist : Histogram functions
+ * hist : Histogram functions
-   part of Finite State Entropy project
+ * part of Finite State Entropy project
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *  - Public forum : https://groups.google.com/forum/#!forum/lz4c
-   modification, are permitted provided that the following conditions are
+ *
-   met:
+ * This source code is licensed under both the BSD-style license (found in the
-
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-       * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-   notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-    - Public forum : https://groups.google.com/forum/#!forum/lz4c
 ****************************************************************** */
 
 /* --- dependencies --- */

lib/compress/hist.h

@@ -1,36 +1,16 @@
 /* ******************************************************************
-   hist : Histogram functions
+ * hist : Histogram functions
-   part of Finite State Entropy project
+ * part of Finite State Entropy project
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *  - Public forum : https://groups.google.com/forum/#!forum/lz4c
-   modification, are permitted provided that the following conditions are
+ *
-   met:
+ * This source code is licensed under both the BSD-style license (found in the
-
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-       * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-   notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
-    - Public forum : https://groups.google.com/forum/#!forum/lz4c
 ****************************************************************** */
 
 /* --- dependencies --- */

lib/compress/huf_compress.c

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   Huffman encoder, part of New Generation Entropy library
+ * Huffman encoder, part of New Generation Entropy library
-   Copyright (C) 2013-2016, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *  - Public forum : https://groups.google.com/forum/#!forum/lz4c
-   modification, are permitted provided that the following conditions are
+ *
-   met:
+ * This source code is licensed under both the BSD-style license (found in the
-
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-       * Redistributions of source code must retain the above copyright
+ * in the COPYING file in the root directory of this source tree).
-   notice, this list of conditions and the following disclaimer.
+ * You may select, at your option, one of the above-listed licenses.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
-    - Public forum : https://groups.google.com/forum/#!forum/lz4c
 ****************************************************************** */
 
 /* **************************************************************

lib/compress/zstd_compress.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_internal.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_literals.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_literals.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_sequences.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_sequences.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_superblock.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_compress_superblock.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_cwksp.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_double_fast.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_double_fast.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_fast.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_fast.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_lazy.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_lazy.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_ldm.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #include "zstd_ldm.h"

lib/compress/zstd_ldm.h

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #ifndef ZSTD_LDM_H

lib/compress/zstd_opt.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstd_opt.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstdmt_compress.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/compress/zstdmt_compress.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/decompress/huf_decompress.c

@@ -1,35 +1,15 @@
 /* ******************************************************************
-   huff0 huffman decoder,
+ * huff0 huffman decoder,
-   part of Finite State Entropy library
+ * part of Finite State Entropy library
-   Copyright (C) 2013-present, Yann Collet.
+ * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
-
+ *
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *  You can contact the author at :
-
+ *  - FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
-   Redistribution and use in source and binary forms, with or without
+ *
-   modification, are permitted provided that the following conditions are
+ * This source code is licensed under both the BSD-style license (found in the
-   met:
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
-
+ * in the COPYING file in the root directory of this source tree).
-       * Redistributions of source code must retain the above copyright
+ * You may select, at your option, one of the above-listed licenses.
-   notice, this list of conditions and the following disclaimer.
-       * 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.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
-   OWNER 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.
-
-    You can contact the author at :
-    - FSE+HUF source repository : https://github.com/Cyan4973/FiniteStateEntropy
 ****************************************************************** */
 
 /* **************************************************************

lib/decompress/zstd_ddict.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/decompress/zstd_ddict.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/decompress/zstd_decompress.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/decompress/zstd_decompress_block.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/decompress/zstd_decompress_block.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/decompress/zstd_decompress_internal.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/deprecated/zbuff.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/deprecated/zbuff_common.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/deprecated/zbuff_compress.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/deprecated/zbuff_decompress.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/dictBuilder/cover.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/dictBuilder/cover.h

@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2017-2020, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
+ */
+
 #include <stdio.h>  /* fprintf */
 #include <stdlib.h> /* malloc, free, qsort */
 #include <string.h> /* memset */

lib/dictBuilder/fastcover.c

@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2018-2020, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
+ */
+
 /*-*************************************
 *  Dependencies
 ***************************************/

lib/dictBuilder/zdict.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/dictBuilder/zdict.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/dll/example/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 VOID    := /dev/null

lib/legacy/zstd_legacy.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v01.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v01.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v02.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v02.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v03.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v03.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v04.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v04.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v05.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v05.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v06.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v06.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v07.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/legacy/zstd_v07.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

lib/zstd.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ##########################################################################
 # zstd : Command Line Utility, supporting gzip-like arguments
 # zstd32 : Same as zstd, but forced to compile in 32-bits mode

programs/benchfn.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/benchfn.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/benchzstd.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/benchzstd.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/datagen.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/datagen.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/dibio.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/dibio.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/fileio.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/fileio.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/platform.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/timefn.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2019-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/timefn.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/util.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/util.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

programs/windres/verrsrc.h

@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
+ */
 /* minimal set of defines required to generate zstd.res from zstd.rc */
 
 #define VS_VERSION_INFO         1

programs/zstdcli.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/DEPRECATED-test-zstd-speed.py

@@ -2,12 +2,13 @@
 # THIS BENCHMARK IS BEING REPLACED BY automated-bencmarking.py
 
 # ################################################################
-# Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+# Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ##########################################################################
 
 # Limitations:

tests/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 # datagen : Synthetic and parametrable data generator, for tests
 # fullbench  : Precisely measure speed for each zstd inner functions

tests/automated_benchmarking.py

@@ -1,3 +1,13 @@
+# ################################################################
+# Copyright (c) 2020-2020, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under both the BSD-style license (found in the
+# LICENSE file in the root directory of this source tree) and the GPLv2 (found
+# in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
+# ##########################################################################
+
 import argparse
 import glob
 import json

tests/bigdict.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2017-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/checkTag.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2018-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/datagencli.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/decodecorpus.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2017-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/fullbench.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/fuzz/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2016-present, Facebook, Inc.
+# Copyright (c) 2016-2020, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 # Optionally user defined flags

tests/fuzz/block_decompress.c

@@ -1,10 +1,11 @@
 /**
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/block_round_trip.c

@@ -1,10 +1,11 @@
 /**
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/dictionary_decompress.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/dictionary_loader.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/dictionary_round_trip.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/fuzz.h

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/fuzz.py

@@ -1,12 +1,13 @@
 #!/usr/bin/env python
 
 # ################################################################
-# Copyright (c) 2016-present, Facebook, Inc.
+# Copyright (c) 2016-2020, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ##########################################################################
 
 import argparse

tests/fuzz/fuzz_data_producer.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #include "fuzz_data_producer.h"

tests/fuzz/fuzz_data_producer.h

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/fuzz_helpers.h

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/regression_driver.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #include "fuzz.h"

tests/fuzz/simple_compress.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/simple_decompress.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/simple_round_trip.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/stream_decompress.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/stream_round_trip.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/zstd_frame_info.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 /**

tests/fuzz/zstd_helpers.c

@@ -1,10 +1,11 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #define ZSTD_STATIC_LINKING_ONLY

tests/fuzz/zstd_helpers.h

@@ -1,12 +1,12 @@
 /*
- * Copyright (c) 2016-present, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
  * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
-
 /**
  * Helper functions for fuzzing.
  */

tests/fuzzer.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/gzip/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2017-present, Facebook, Inc.
+# Copyright (c) 2017-2020, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 PRGDIR = ../../programs

tests/invalidDictionaries.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/legacy.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/longmatch.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2017-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/paramgrill.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/poolTests.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/rateLimiter.py

@@ -1,12 +1,13 @@
 #!/usr/bin/env python3
 
 # ################################################################
-# Copyright (c) 2018-present, Facebook, Inc.
+# Copyright (c) 2018-2020, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ##########################################################################
 
 # Rate limiter, replacement for pv

tests/regression/Makefile

@@ -1,10 +1,11 @@
 # ################################################################
-# Copyright (c) 2015-present, Facebook, Inc.
+# Copyright (c) 2015-2020, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 CFLAGS ?= -O3

tests/regression/config.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/config.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/data.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/data.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/levels.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/method.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/method.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/result.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/result.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/regression/test.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/roundTripCrash.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/seqgen.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-present, Facebook, Inc.
+ * Copyright (c) 2017-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/seqgen.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-present, Facebook, Inc.
+ * Copyright (c) 2017-2020, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/test-license.py

@@ -0,0 +1,141 @@
+#!/usr/bin/env python3
+
+# ################################################################
+# Copyright (c) 2016-2020, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under both the BSD-style license (found in the
+# LICENSE file in the root directory of this source tree) and the GPLv2 (found
+# in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
+# ################################################################
+
+import datetime
+import enum
+import glob
+import os
+import sys
+
+YEAR = datetime.datetime.now().year
+
+YEAR_STR = str(YEAR)
+
+ROOT = os.path.join(os.path.dirname(__file__), "..")
+
+RELDIRS = [
+    "doc",
+    "examples",
+    "lib",
+    "programs",
+    "tests",
+]
+
+DIRS = [os.path.join(ROOT, d) for d in RELDIRS]
+
+class File(enum.Enum):
+    C = 1
+    H = 2
+    MAKE = 3
+    PY = 4
+
+SUFFIX = {
+    File.C: ".c",
+    File.H: ".h",
+    File.MAKE: "Makefile",
+    File.PY: ".py",
+}
+
+# License should certainly be in the first 10 KB.
+MAX_BYTES = 10000
+MAX_LINES = 50
+
+LICENSE_LINES = [
+    "This source code is licensed under both the BSD-style license (found in the",
+    "LICENSE file in the root directory of this source tree) and the GPLv2 (found",
+    "in the COPYING file in the root directory of this source tree).",
+    "You may select, at your option, one of the above-listed licenses.",
+]
+
+COPYRIGHT_EXCEPTIONS = {
+    # From zstdmt
+    "threading.c",
+    "threading.h",
+    # From divsufsort
+    "divsufsort.c",
+    "divsufsort.h",
+}
+
+LICENSE_EXCEPTIONS = {
+    # From divsufsort
+    "divsufsort.c",
+    "divsufsort.h",
+}
+
+
+def valid_copyright(lines):
+    for line in lines:
+        line = line.strip()
+        if "Copyright" not in line:
+            continue
+        if "present" in line:
+            return (False, f"Copyright line '{line}' contains 'present'!")
+        if "Facebook, Inc" not in line:
+            return (False, f"Copyright line '{line}' does not contain 'Facebook, Inc'")
+        if YEAR_STR not in line:
+            return (False, f"Copyright line '{line}' does not contain {YEAR}")
+        if " (c) " not in line:
+            return (False, f"Copyright line '{line}' does not contain ' (c) '!")
+        return (True, "")
+    return (False, "Copyright not found!")
+
+
+def valid_license(lines):
+    for b in range(len(lines)):
+        if LICENSE_LINES[0] not in lines[b]:
+            continue
+        for l in range(len(LICENSE_LINES)):
+            if LICENSE_LINES[l] not in lines[b + l]:
+                message = f"""Invalid license line found starting on line {b + l}!
+Expected: '{LICENSE_LINES[l]}'
+Actual: '{lines[b + l]}'"""
+                return (False, message)
+        return (True, "")
+    return (False, "License not found!")
+
+
+def valid_file(filename):
+    with open(filename, "r") as f:
+        lines = f.readlines(MAX_BYTES)
+    lines = lines[:min(len(lines), MAX_LINES)]
+                
+    ok = True
+    if os.path.basename(filename) not in COPYRIGHT_EXCEPTIONS:
+        c_ok, c_msg = valid_copyright(lines)
+        if not c_ok:
+            print(f"{filename}: {c_msg}")
+            ok = False
+    if os.path.basename(filename) not in LICENSE_EXCEPTIONS:
+        l_ok, l_msg = valid_license(lines)
+        if not l_ok:
+            print(f"{filename}: {l_msg}")
+            ok = False
+    return ok
+
+
+def main():
+    invalid_files = []
+    for directory in DIRS:
+        for suffix in SUFFIX.values():
+            files = set(glob.glob(f"{directory}/*{suffix}"))
+            files |= set(glob.glob(f"{directory}/**/*{suffix}"))
+            for filename in files:
+                if not valid_file(filename):
+                    invalid_files.append(filename)
+    if len(invalid_files) > 0:
+        print(f"Invalid files: {invalid_files}")
+    else:
+        print("Pass!")
+    return len(invalid_files)
+
+if __name__ == "__main__":
+    sys.exit(main())

tests/test-zstd-versions.py

@@ -2,12 +2,13 @@
 """Test zstd interoperability between versions"""
 
 # ################################################################
-# Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+# Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
 # in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
 # ################################################################
 
 import filecmp

tests/zbufftest.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2015-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

tests/zstreamtest.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

zlibWrapper/gzcompatibility.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

zlibWrapper/zstd_zlibwrapper.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

zlibWrapper/zstd_zlibwrapper.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+ * Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the