// Copyright 2026 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

////////////////////////////////////////////////////////////////////////////////

#pragma once

#include <string>

#include <algorithm>

#include <cctype>

// Forward declaration of variable_field from libpldm

struct variable_field;

namespace pldm

{

namespace utils

{

inline std::string toString(const struct variable_field& var)

{

    // We will cast the struct pointers. In libpldm, variable_field is:

    // struct variable_field { const uint8_t* ptr; size_t length; }

    // We can access them via reinterpret_cast if needed, or since we include

    // libpldm headers in the fuzzer, the full definition will be available.

    // To be safe and compile without knowing the exact layout of variable_field here,

    // we can implement this in a .cpp file or just assume the definition is available

    // because this header is always included after libpldm headers.

    // In package_parser.cpp:

    // #include <libpldm/firmware_update.h> (defines variable_field)

    // #include <phosphor-logging/lg2.hpp>

    // So the definition is indeed available!

    const uint8_t* ptr = reinterpret_cast<const uint8_t*>(var.ptr);

    size_t length = var.length;

    if (ptr == nullptr || !length)

    {

        return "";

    }

    std::string str(reinterpret_cast<const char*>(ptr), length);

    std::replace_if(

        str.begin(), str.end(), [](const char& c) { return !std::isprint(c); }, ' ');

    return str;

}

} // namespace utils

} // namespace pldm