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b4fd0ca9be
SmartOS FD_ZERO is implemented in a way that requires an external declaration of memcpy. We can not simply include cstring in the existing file because sanity_test_memcpy is attempting to replace memcpy, but we can do so here, now that the fdelt test is split out.
27 lines
741 B
C++
27 lines
741 B
C++
// Copyright (c) 2009-2019 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://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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#if defined(HAVE_SYS_SELECT_H)
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#ifdef HAVE_CSTRING_DEPENDENT_FD_ZERO
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#include <cstring>
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#endif
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#include <sys/select.h>
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// trigger: Call FD_SET to trigger __fdelt_chk. FORTIFY_SOURCE must be defined
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// as >0 and optimizations must be set to at least -O2.
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// test: Add a file descriptor to an empty fd_set. Verify that it has been
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// correctly added.
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bool sanity_test_fdelt()
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{
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(0, &fds);
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return FD_ISSET(0, &fds);
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}
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#endif
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