mirror of
https://gitee.com/openharmony/third_party_vulkan-loader
synced 2024-11-27 01:11:22 +00:00
fdfdef6d1b
Check for the existence of the alloca.h header and only use it it exists, otherwise fallback to stdlib.h. Some OS's like macOS and QNX have both headers and can use either (stdlib.h includes alloca.h), some OS's like OpenBSD / FreeBSD / NetBSD do not have the alloca.h header and require the stdlib.h header.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/*
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*
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* Copyright (c) 2014-2022 The Khronos Group Inc.
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* Copyright (c) 2014-2022 Valve Corporation
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* Copyright (c) 2014-2022 LunarG, Inc.
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* Copyright (C) 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Jon Ashburn <jon@lunarg.com>
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* Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
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* Author: Chia-I Wu <olvaffe@gmail.com>
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* Author: Chia-I Wu <olv@lunarg.com>
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* Author: Mark Lobodzinski <mark@LunarG.com>
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* Author: Lenny Komow <lenny@lunarg.com>
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* Author: Charles Giessen <charles@lunarg.com>
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*/
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#pragma once
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#if defined(_WIN32)
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#include <malloc.h>
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#elif defined(HAVE_ALLOCA_H)
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#include <alloca.h>
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#else
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#include <stdlib.h>
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#endif
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#if defined(__linux__) || defined(__APPLE__) || defined(__Fuchsia__) || defined(__QNXNTO__) || defined(__FreeBSD__) || defined(__OpenBSD__)
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#define loader_stack_alloc(size) alloca(size)
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#elif defined(_WIN32)
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#define loader_stack_alloc(size) _alloca(size)
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#endif // defined(_WIN32)
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