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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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13
sprout/cwchar/wcscmp.hpp
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@ -2,21 +2,18 @@
#define SPROUT_CWCHAR_WCSCMP_HPP
#include <sprout/config.hpp>
#include <sprout/cstring/strcmp.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
//
// wcscmp
//
// recursion depth:
// O(log(N1+N2))
//
inline SPROUT_CONSTEXPR int
wcscmp(wchar_t const* s1, wchar_t const* s2) {
return !*s1 && !*s2 ? 0
: !*s1 ? -1
: !*s2 ? 1
: *s1 == *s2 ? sprout::wcscmp(s1 + 1, s2 + 1)
: *s1 - *s2
;
return sprout::strcmp(s1, s2);
}
} // namespace sprout