mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
30 lines
717 B
C++
30 lines
717 B
C++
#ifndef SPROUT_CWCHAR_WCSLEN_HPP
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#define SPROUT_CWCHAR_WCSLEN_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/iterator/ptr_index_iterator.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/find.hpp>
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namespace sprout {
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//
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// wcslen
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//
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inline SPROUT_CONSTEXPR std::size_t
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wcslen(wchar_t const* s) {
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return !*s ? 0
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: 1 + sprout::wcslen(s + 1)
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;
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}
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inline SPROUT_CONSTEXPR std::size_t
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wcslen(wchar_t const* s, std::size_t n) {
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return sprout::distance(
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sprout::as_iterator(s),
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sprout::find(sprout::as_iterator(s), sprout::as_iterator(s, n), L'\0')
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);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CWCHAR_WCSLEN_HPP
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