Zstd: Restore SPDX license identifiers

When updating Zstandard to version 1.5.7 the SPDX license identifiers
were lost. This commit restores them.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alexander Moch <mail@alexmoch.com>
Closes #18089

module/zstd/lib/common/allocations.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/bits.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/bitstream.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * bitstream
  * Part of FSE library

module/zstd/lib/common/compiler.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/cpu.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/debug.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * debug
  * Part of FSE library

module/zstd/lib/common/entropy_common.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * Common functions of New Generation Entropy library
  * Copyright (c) Meta Platforms, Inc. and affiliates.

module/zstd/lib/common/error_private.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/error_private.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/fse.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * FSE : Finite State Entropy codec
  * Public Prototypes declaration

module/zstd/lib/common/fse_decompress.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * FSE : Finite State Entropy decoder
  * Copyright (c) Meta Platforms, Inc. and affiliates.

module/zstd/lib/common/huf.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * huff0 huffman codec,
  * part of Finite State Entropy library

module/zstd/lib/common/mem.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/pool.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/pool.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/portability_macros.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/xxhash.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * xxHash - Extremely Fast Hash algorithm
  * Header File

module/zstd/lib/common/zstd_common.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/zstd_deps.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/zstd_internal.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/common/zstd_trace.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/clevels.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/fse_compress.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * FSE : Finite State Entropy encoder
  * Copyright (c) Meta Platforms, Inc. and affiliates.

module/zstd/lib/compress/hist.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * hist : Histogram functions
  * part of Finite State Entropy project

module/zstd/lib/compress/hist.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * hist : Histogram functions
  * part of Finite State Entropy project

module/zstd/lib/compress/huf_compress.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * Huffman encoder, part of New Generation Entropy library
  * Copyright (c) Meta Platforms, Inc. and affiliates.

module/zstd/lib/compress/zstd_compress.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_internal.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_literals.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_literals.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_sequences.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_sequences.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_superblock.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_compress_superblock.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_cwksp.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_double_fast.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_double_fast.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_fast.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_fast.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_lazy.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_lazy.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_ldm.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_ldm.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_ldm_geartab.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_opt.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_opt.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_preSplit.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/compress/zstd_preSplit.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/huf_decompress.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /* ******************************************************************
  * huff0 huffman decoder,
  * part of Finite State Entropy library

module/zstd/lib/decompress/huf_decompress_amd64.S

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/zstd_ddict.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/zstd_ddict.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/zstd_decompress.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/zstd_decompress_block.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/zstd_decompress_block.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/decompress/zstd_decompress_internal.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/zstd.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/lib/zstd_errors.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.

module/zstd/zstd-in.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: BSD-3-Clause
 /**
  * \file zstd.c
  * Single-file Zstandard library.