wmemcmp.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_CWCHAR_WMEMCMP_HPP
#define TETL_CWCHAR_WMEMCMP_HPP
 
#include <etl/_cstddef/size_t.hpp>
#include <etl/_strings/cstr.hpp>
 
namespace etl {
 
/// \brief Compares the first count wide characters of the wide character arrays
/// pointed to by lhs and rhs. The comparison is done lexicographically.
///
/// \details The sign of the result is the sign of the difference between the
/// values of the first pair of wide characters that differ in the arrays being
/// compared. If count is zero, the function does nothing.
///
/// https://en.cppreference.com/w/cpp/string/wide/wmemcmp
constexpr auto wmemcmp(wchar_t const* lhs, wchar_t const* rhs, etl::size_t count) noexcept -> int
{
    return etl::detail::strncmp<wchar_t, etl::size_t>(lhs, rhs, count);
}
} // namespace etl
 
#endif // TETL_CWCHAR_WMEMCMP_HPP