mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
20 lines
451 B
C++
20 lines
451 B
C++
#ifndef SPROUT_CWCHAR_WCSSPN_HPP
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#define SPROUT_CWCHAR_WCSSPN_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/cwchar/wcschr.hpp>
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namespace sprout {
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//
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// wcsspn
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//
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inline SPROUT_CONSTEXPR std::size_t
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wcsspn(wchar_t const* s1, wchar_t const* s2) {
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return !*s1 || !sprout::wcschr(s2, *s1) ? 0
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: 1 + sprout::wcsspn(s1 + 1, s2)
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;
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CWCHAR_WCSSPN_HPP
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