isprint.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2020 Tobias Hienzsch
 
#ifndef TETL_CCTYPE_ISPRINT_HPP
#define TETL_CCTYPE_ISPRINT_HPP
 
#include <etl/_cctype/isgraph.hpp>
 
namespace etl {
/// \brief Checks if ch is a printable character as classified by the default C
/// locale.
///
/// \param ch Character to classify.
///
/// \returns Non-zero value if the character is a punctuation character, zero
/// otherwise.
///
/// https://en.cppreference.com/w/cpp/string/byte/isprint
///
/// \ingroup cctype
[[nodiscard]] constexpr auto isprint(int ch) noexcept -> int
{
    return static_cast<int>(etl::isgraph(ch) != 0 || ch == ' ');
}
} // namespace etl
 
#endif // TETL_CCTYPE_ISPRINT_HPP