28 lines
672 B
C++
28 lines
672 B
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bli
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*
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* Defines alloca and utility macro BLI_array_alloca
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*/
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/* BLI_array_alloca / alloca */
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#include <stdlib.h>
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#if defined(__cplusplus)
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# include <type_traits>
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# define BLI_array_alloca(arr, realsize) \
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(std::remove_reference_t<decltype(arr)>)alloca(sizeof(*arr) * (realsize))
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#else
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# if defined(__GNUC__) || defined(__clang__)
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# define BLI_array_alloca(arr, realsize) (typeof(arr))alloca(sizeof(*arr) * (realsize))
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# else
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# define BLI_array_alloca(arr, realsize) alloca(sizeof(*arr) * (realsize))
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# endif
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#endif
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