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#include <byteswap.h>
#include <cstring>
#include <memory>
#ifdef __cplusplus
extern "C" {
#endif
#include "ngtcp2_ksl.h"
#ifdef __cplusplus
}
#endif
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
using KeyType = uint16_t;
using DataType = int64_t;
constexpr size_t keylen = sizeof(KeyType);
auto compar = [](auto *lhs, auto *rhs) -> int {
return *static_cast<const KeyType *>(lhs) <
*static_cast<const KeyType *>(rhs);
};
ngtcp2_ksl ksl;
ngtcp2_ksl_init(&ksl, compar, keylen, ngtcp2_mem_default());
for (; size >= keylen; ++data, --size) {
KeyType d;
memcpy(&d, data, keylen);
for (size_t i = 0; i < 2; ++i) {
auto add = (d & 0x8000) != 0;
auto key = static_cast<KeyType>(d & 0x7fff);
if (add) {
auto data = std::make_unique<DataType>(key);
auto rv = ngtcp2_ksl_insert(&ksl, nullptr, &key, data.get());
if (rv != 0) {
continue;
}
data.release();
ngtcp2_ksl_lower_bound(&ksl, &key);
continue;
}
auto it = ngtcp2_ksl_lower_bound(&ksl, &key);
if (ngtcp2_ksl_it_end(&it)) {
continue;
}
if (*static_cast<KeyType *>(ngtcp2_ksl_it_key(&it)) != key) {
continue;
}
delete static_cast<DataType *>(ngtcp2_ksl_it_get(&it));
ngtcp2_ksl_remove(&ksl, nullptr, &key);
d = bswap_16(d);
}
}
for (auto it = ngtcp2_ksl_begin(&ksl); !ngtcp2_ksl_it_end(&it);
ngtcp2_ksl_it_next(&it)) {
delete static_cast<DataType *>(ngtcp2_ksl_it_get(&it));
}
ngtcp2_ksl_free(&ksl);
return 0;
}
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