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// Copyright (c) 2020-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <span.h>
#include <streams.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <array>
#include <cstddef>
#include <cstdio>
#include <iostream>
#include <vector>
FUZZ_TARGET(autofile)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
FuzzedFileProvider fuzzed_file_provider{fuzzed_data_provider};
AutoFile auto_file{
fuzzed_file_provider.open(),
ConsumeRandomLengthByteVector<std::byte>(fuzzed_data_provider),
};
LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 100)
{
CallOneOf(
fuzzed_data_provider,
[&] {
std::array<std::byte, 4096> arr{};
try {
auto_file.read({arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)});
} catch (const std::ios_base::failure&) {
}
},
[&] {
const std::array<std::byte, 4096> arr{};
try {
auto_file.write({arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)});
} catch (const std::ios_base::failure&) {
}
},
[&] {
try {
auto_file.ignore(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
} catch (const std::ios_base::failure&) {
}
},
[&] {
auto_file.fclose();
},
[&] {
ReadFromStream(fuzzed_data_provider, auto_file);
},
[&] {
WriteToStream(fuzzed_data_provider, auto_file);
});
}
(void)auto_file.IsNull();
if (fuzzed_data_provider.ConsumeBool()) {
FILE* f = auto_file.release();
if (f != nullptr) {
fclose(f);
}
}
}
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