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fix recursion depth: cstring algorithm

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bolero-MURAKAMI 2013-01-13 01:16:48 +09:00
parent f26032dce8
commit b51b14efa9
25 changed files with 792 additions and 142 deletions
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9
sprout/cwchar/wcscspn.hpp
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@ -3,17 +3,18 @@
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/cwchar/wcschr.hpp>
#include <sprout/cstring/strcspn.hpp>
namespace sprout {
//
// wcscspn
//
// recursion depth:
// O(log(N1+N2))
//
inline SPROUT_CONSTEXPR std::size_t
wcscspn(wchar_t const* s1, wchar_t const* s2) {
return !*s1 || sprout::wcschr(s2, *s1) ? 0
: 1 + sprout::wcscspn(s1 + 1, s2)
;
return sprout::strcspn(s1, s2);
}
} // namespace sprout