57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// Copyright 2018 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef __FUZZ_SPAN_H
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#define __FUZZ_SPAN_H
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#include <unistd.h>
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#include <algorithm>
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namespace fuzz {
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template <typename T>
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class span {
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public:
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typedef T value_type;
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constexpr span() : span<T>(nullptr, nullptr) {}
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constexpr span(T* begin, size_t size) : begin_(begin), end_(begin + size) {}
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constexpr span(T* begin, T* end) : begin_(begin), end_(end) {}
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template <class Container>
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constexpr span(Container& container)
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: begin_(container.begin()), end_(container.end()){};
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constexpr T* begin() const { return begin_; }
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constexpr T* end() const { return end_; }
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constexpr T* data() const { return begin_; }
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constexpr bool empty() const { return begin_ == end_; }
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constexpr size_t size() const { return end_ - begin_; }
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private:
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T* begin_;
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T* end_;
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};
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template <typename Source, typename Destination>
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size_t CopyWithPadding(Source source,
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Destination destination,
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typename Destination::value_type fill_value) {
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if (source.size() >= destination.size()) {
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std::copy(source.begin(), source.begin() + destination.size(),
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destination.begin());
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return destination.size();
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}
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std::copy(source.begin(), source.end(), destination.begin());
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std::fill(destination.begin() + source.size(), destination.end(), fill_value);
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return source.size();
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}
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} // namespace fuzz
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#endif // __FUZZ_SPAN_H
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