31 lines
887 B
C++
31 lines
887 B
C++
// Copyright (c) 2009-2014 The Bitcoin Core developers
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// Copyright (c) 2019-2023 The Zcash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or https://www.opensource.org/licenses/mit-license.php .
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#if defined(HAVE_CONFIG_H)
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#include "config/bitcoin-config.h"
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#endif
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#include <cstddef>
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#if defined(HAVE_SYS_SELECT_H)
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#include <sys/select.h>
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#endif
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// Prior to GLIBC_2.14, memcpy was aliased to memmove.
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extern "C" void* memmove(void* a, const void* b, size_t c);
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extern "C" void* memcpy(void* a, const void* b, size_t c)
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{
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return memmove(a, b, c);
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}
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extern "C" void __chk_fail(void) __attribute__((__noreturn__));
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extern "C" FDELT_TYPE __fdelt_warn(FDELT_TYPE a)
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{
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if (a >= FD_SETSIZE)
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__chk_fail();
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return a / __NFDBITS;
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}
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extern "C" FDELT_TYPE __fdelt_chk(FDELT_TYPE) __attribute__((weak, alias("__fdelt_warn")));
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