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https://github.com/bolero-MURAKAMI/Sprout.git
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28 lines
744 B
C++
28 lines
744 B
C++
#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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#include <sprout/iterator/ptr_index_iterator.hpp>
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#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
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#include <sprout/iterator/operation.hpp>
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namespace sprout {
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// 7.21.6.3 strlen ŠÖ<C5A0>”
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inline SPROUT_CONSTEXPR std::size_t
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strlen(char const* s) {
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return !*s ? 0
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: 1 + sprout::strlen(s + 1)
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;
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}
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inline SPROUT_CONSTEXPR std::size_t
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strlen(char 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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NS_SSCRISK_CEL_OR_SPROUT::find(sprout::as_iterator(s), sprout::as_iterator(s, n), '\0')
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);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CSTRING_STRLEN_HPP
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