Sprout/sprout/cwchar/wcsrchr.hpp
2012-12-22 01:02:49 +09:00

27 lines
655 B
C++

#ifndef SPROUT_CWCHAR_WCSRCHR_HPP
#define SPROUT_CWCHAR_WCSRCHR_HPP
#include <cstddef>
#include <sprout/config.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
//
// wcsrchr
//
inline SPROUT_CONSTEXPR wchar_t const*
wcsrchr(wchar_t const* s, int c) {
return *s == static_cast<wchar_t>(c) && (!*s || !sprout::wcsrchr(s + 1, c))? s
: !*s ? nullptr
: sprout::wcsrchr(s + 1, c)
;
}
inline SPROUT_CONSTEXPR wchar_t*
wcsrchr(wchar_t* s, int c) {
return const_cast<wchar_t*>(sprout::wcsrchr(const_cast<wchar_t const*>(s), c));
}
} // namespace sprout
#endif // #ifndef SPROUT_CWCHAR_WCSRCHR_HPP