34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
// Copyright 2020 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef COMMON_ALLOC_H_
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#define COMMON_ALLOC_H_
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#include <cstddef>
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#include <new>
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template <typename T>
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T* AllocNoThrow(size_t count) {
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#if defined(ADDRESS_SANITIZER)
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if (count * sizeof(T) >= 0x70000000) {
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// std::nothrow isn't implemented on ASAN and it has a 2GB allocation limit.
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// Catch large allocations and error out so fuzzers make progress.
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return nullptr;
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}
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#endif
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return new (std::nothrow) T[count];
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}
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#endif // COMMON_ALLOC_H_
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