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30 lines
657 B
30 lines
657 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// std::__throw_bad_alloc() is not a standarized function. It could be defined
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// in many places, so we need to consider all possibilities.
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#include <new>
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#include <stdexcept>
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static int* get_null() { return nullptr; }
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static void do_nothing() {}
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int throw_if_null_ok() {
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int* p = get_null();
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if (p == nullptr)
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std::__throw_bad_alloc();
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return *p;
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}
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int nothrow_if_null_bad() {
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int* p = get_null();
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if (p == nullptr)
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do_nothing();
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return *p;
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}
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