/* By Guido Vranken <guidovranken@gmail.com> */

#include <cstdint>

#include <cstddef>

#include <string>

#include <rapidjson/document.h>

#include <rapidjson/prettywriter.h>

#ifdef MSAN

extern "C" {

    void __msan_check_mem_is_initialized(const volatile void *x, size_t size);

}

#endif

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

    const std::string s(data, data + size);

    /* Parse input to rapidjson::Document */

    rapidjson::Document document;

    rapidjson::ParseResult pr = document.Parse(s.c_str());

    if ( !pr ) {

        return 0;

    }

    /* Convert from rapidjson::Document to string */

    rapidjson::StringBuffer sb;

    rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(sb);

    document.Accept(writer);

    std::string str = sb.GetString();

#ifdef MSAN

    if ( str.size() ) {

        __msan_check_mem_is_initialized(str.data(), str.size());

    }

#endif

    return 0;

}