wmemchr.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2020 Tobias Hienzsch
 
#ifndef TETL_CWCHAR_WMEMCHR_HPP
#define TETL_CWCHAR_WMEMCHR_HPP
 
#include <etl/_cstddef/size_t.hpp>
#include <etl/_strings/cstr.hpp>
 
namespace etl {
 
/// \brief Locates the first occurrence of wide character ch in the initial
/// count wide characters of the wide character array pointed to by ptr.
///
/// \details If count is zero, the function returns a null pointer.
///
/// https://en.cppreference.com/w/cpp/string/wide/wmemchr
[[nodiscard]] constexpr auto wmemchr(wchar_t* ptr, wchar_t ch, etl::size_t count) noexcept -> wchar_t*
{
    return etl::detail::memchr<wchar_t>(ptr, ch, count);
}
 
/// \brief Locates the first occurrence of wide character ch in the initial
/// count wide characters of the wide character array pointed to by ptr.
///
/// \details If count is zero, the function returns a null pointer.
///
/// https://en.cppreference.com/w/cpp/string/wide/wmemchr
[[nodiscard]] constexpr auto wmemchr(wchar_t const* ptr, wchar_t ch, etl::size_t count) noexcept -> wchar_t const*
{
    return etl::detail::memchr<wchar_t const>(ptr, ch, count);
}
} // namespace etl
 
#endif // TETL_CWCHAR_WMEMCHR_HPP