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https://github.com/bolero-MURAKAMI/Sprout.git
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25 lines
603 B
C++
25 lines
603 B
C++
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#ifndef SPROUT_CSTRING_STRLEN_HPP
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#define SPROUT_CSTRING_STRLEN_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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namespace sprout {
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// Copyright (C) 2011 RiSK (sscrisk)
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namespace detail {
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inline SPROUT_CONSTEXPR std::size_t strlen_impl(char const* s, std::size_t n) {
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return !*s ? n :
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sprout::detail::strlen_impl(s + 1, n + 1)
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;
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}
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} // namespace detail
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// 7.21.6.3 strlen <20><EFBFBD>
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inline SPROUT_CONSTEXPR std::size_t strlen(char const* s) {
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return sprout::detail::strlen_impl(s, 0);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CSTRING_STRLEN_HPP
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