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2d5a9b6a4c
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
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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/* This file provides custom allocation primitives
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*/
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#define ZSTD_DEPS_NEED_MALLOC
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#include "zstd_deps.h" /* ZSTD_malloc, ZSTD_calloc, ZSTD_free, ZSTD_memset */
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#include "compiler.h" /* MEM_STATIC */
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#define ZSTD_STATIC_LINKING_ONLY
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#include "../zstd.h" /* ZSTD_customMem */
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#ifndef ZSTD_ALLOCATIONS_H
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#define ZSTD_ALLOCATIONS_H
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/* custom memory allocation functions */
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MEM_STATIC void* ZSTD_customMalloc(size_t size, ZSTD_customMem customMem)
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{
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if (customMem.customAlloc)
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return customMem.customAlloc(customMem.opaque, size);
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return ZSTD_malloc(size);
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}
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MEM_STATIC void* ZSTD_customCalloc(size_t size, ZSTD_customMem customMem)
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{
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if (customMem.customAlloc) {
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/* calloc implemented as malloc+memset;
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* not as efficient as calloc, but next best guess for custom malloc */
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void* const ptr = customMem.customAlloc(customMem.opaque, size);
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ZSTD_memset(ptr, 0, size);
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return ptr;
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}
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return ZSTD_calloc(1, size);
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}
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MEM_STATIC void ZSTD_customFree(void* ptr, ZSTD_customMem customMem)
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{
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if (ptr!=NULL) {
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if (customMem.customFree)
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customMem.customFree(customMem.opaque, ptr);
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else
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ZSTD_free(ptr);
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}
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}
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#endif /* ZSTD_ALLOCATIONS_H */
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