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fix cstring, cwchar

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This commit is contained in:
bolero-MURAKAMI 2012-12-22 01:02:49 +09:00
parent 8227569c43
commit 0670013702
17 changed files with 172 additions and 127 deletions
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22
sprout/cwchar/wmemcmp.hpp
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@ -3,23 +3,19 @@
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/iterator/ptr_index_iterator.hpp>
#include <sprout/algorithm/tristate_lexicographical_compare.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
namespace detail {
inline SPROUT_CONSTEXPR int
wmemcmp_impl(wchar_t const* s1, wchar_t const* s2, std::size_t n) {
return !n ? 0
: *s1 == *s2 ? sprout::detail::wmemcmp_impl(s1 + 1, s2 + 1, n - 1)
: *s1 - *s2
;
}
} // namespace detail
//
// wmemcmp
//
inline SPROUT_CONSTEXPR int
wmemcmp(wchar_t const* s1, wchar_t const* s2, std::size_t n) {
return sprout::detail::wmemcmp_impl(s1, s2, n);
return sprout::tristate_lexicographical_compare(
sprout::as_iterator(s1), sprout::as_iterator(s1, n),
sprout::as_iterator(s2), sprout::as_iterator(s2, n)
);
}
} // namespace sprout