5156b24553
- This can act as memory barrier in clang to avoid read before assign of a const ptr Signed-off-by: LoveSy <shana@zju.edu.cn> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
17 lines
408 B
C
17 lines
408 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Trick to assign a const ptr with barrier for clang
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*
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* Copyright (C) 2021 by YU Jincheng <shana@zju.edu.cn>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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#if defined(__clang_major__) && __clang_major__ >= 9
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void FAST_FUNC XZALLOC_CONST_PTR(const void *pptr, size_t size)
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{
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ASSIGN_CONST_PTR(pptr, xzalloc(size));
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}
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#endif
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