strstr.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2020 Tobias Hienzsch
 
#ifndef TETL_CSTRING_STRSTR_HPP
#define TETL_CSTRING_STRSTR_HPP
 
#include <etl/_strings/cstr.hpp>
 
namespace etl {
 
/// \ingroup cstring
/// @{
 
/// Finds the first occurrence of the byte string needle in the byte
/// string pointed to by haystack. The terminating null characters are not
/// compared.
/// \ingroup cstring
[[nodiscard]] constexpr auto strstr(char* haystack, char* needle) noexcept -> char*
{
    return etl::detail::strstr_impl<char>(haystack, needle);
}
 
[[nodiscard]] constexpr auto strstr(char const* haystack, char const* needle) noexcept -> char const*
{
    return etl::detail::strstr_impl<char const>(haystack, needle);
}
 
/// @}
 
} // namespace etl
 
#endif // TETL_CSTRING_STRSTR_HPP