Sprout/sprout/cstring/strncmp.hpp
2013-01-12 04:08:44 +09:00

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#ifndef SPROUT_CSTRING_STRNCMP_HPP
#define SPROUT_CSTRING_STRNCMP_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/iterator/ptr_index_iterator.hpp>
#include <sprout/algorithm/tristate_lexicographical_compare.hpp>
namespace sprout {
// 7.21.4.4 strncmp ŠÖ<C5A0>
inline SPROUT_CONSTEXPR int
strncmp(char const* s1, char const* s2, std::size_t n) {
return sprout::tristate_lexicographical_compare(
sprout::as_iterator(s1), sprout::as_iterator(s1, n), '\0',
sprout::as_iterator(s2), sprout::as_iterator(s2, n), '\0'
);
}
} // namespace sprout
#endif // #ifndef SPROUT_CSTRING_STRNCMP_HPP