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fix cstring, cwchar

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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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42
sprout/cwchar/wmemchr.hpp
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@ -3,28 +3,52 @@
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/iterator/ptr_index_iterator.hpp>
#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
namespace detail {
inline SPROUT_CONSTEXPR wchar_t const*
wmemchr_impl(wchar_t const* s, wchar_t c, std::size_t n) {
return !n ? 0
: *s == c ? s
: sprout::detail::wmemchr_impl(s + 1, c, n - 1)
;
wmemchr_impl(wchar_t const* found, wchar_t const* last) {
return found == last ? nullptr
: found
;
}
inline SPROUT_CONSTEXPR wchar_t*
wmemchr_impl(wchar_t* found, wchar_t* last) {
return found == last ? nullptr
: found
;
}
} // namespace detail
//
// wmemchr
//
inline SPROUT_CONSTEXPR wchar_t const*
wmemchr(wchar_t const* s, wchar_t c, size_t n) {
return sprout::detail::wmemchr_impl(s, c, n);
return sprout::detail::wmemchr_impl(
sprout::as_iterator_base(
NS_SSCRISK_CEL_OR_SPROUT::find(
sprout::as_iterator(s), sprout::as_iterator(s, n),
c
)
),
s + n
);
}
inline SPROUT_CONSTEXPR wchar_t*
wmemchr(wchar_t* s, wchar_t c, size_t n) {
return const_cast<wchar_t*>(sprout::detail::wmemchr_impl(s, c, n));
return sprout::detail::wmemchr_impl(
sprout::as_iterator_base(
NS_SSCRISK_CEL_OR_SPROUT::find(
sprout::as_iterator(s), sprout::as_iterator(s, n),
c
)
),
s + n
);
}
} // namespace sprout