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// Copyright (c) 2026 Progmasoft.
// SPDX-License-Identifier: MPL-2.0 WITH AdditionRef-Progmasoft-Exception-2.0
// The command line of a test binary: arguments separated by NUL bytes. The
// parser must answer with options or an error, never crash, and the worker
// arguments it derives must parse again.
#include <Progmasoft/Runner/Options.hpp>
#include <cstdint>
#include <cstdlib>
#include <string>
#include <vector>
extern "C" int
LLVMFuzzerTestOneInput(const std::uint8_t *data, std::size_t size)
{
std::vector<std::string> arguments(1);
for (std::size_t index = 0; index < size; ++index)
{
if (data[index] == 0)
{
arguments.emplace_back();
}
else
{
arguments.back().push_back(static_cast<char>(data[index]));
}
}
// Reading a file named by --input-file is not what is fuzzed here.
for (const auto &argument : arguments)
{
if (argument.find("input-file") != std::string::npos ||
(argument.size() >= 2 && argument[0] == '-' && argument[1] == 'f'))
{
return 0;
}
}
auto options = Progmasoft::Catch3::Runner::ParseOptions(arguments);
if (options)
{
const auto worker = Progmasoft::Catch3::Runner::ParseOptions(
Progmasoft::Catch3::Runner::WorkerArguments(*options));
if (!worker)
{
std::abort();
}
}
return 0;
}
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