3a9088c144
Reference: https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/alloca?view=msvc-170 Signed-off-by: chao an <anchao@xiaomi.com>
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/****************************************************************************
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* include/alloca.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_ALLOCA_H
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#define __INCLUDE_ALLOCA_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#if defined(__GNUC__) && __GNUC__ >= 3
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/* Use GCC >=3 Built-in for alloca */
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# undef alloca
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# undef __alloca
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# define alloca(size) __alloca(size)
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# define __alloca(size) __builtin_alloca(size)
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#elif defined(_MSC_VER)
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# undef alloca
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# undef __alloca
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# define alloca(size) _alloca(size)
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# define __alloca(size) _alloca(size)
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#endif
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#endif /* __INCLUDE_ALLOCA_H */
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