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// Copyright 2025 Mikhail Khachaiants <mkhachaiants@gmail.com>
//
// 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.
#ifndef URI_FUZZING_UTILS_H
# define URI_FUZZING_UTILS_H 1
# include "uriparser/Uri.h"
# include <fuzzer/FuzzedDataProvider.h>
# include <string>
using UriString = std::basic_string<URI_CHAR>;
inline UriString tryConsumeBytesAsString(FuzzedDataProvider & fdp, size_t chars) {
UriString str(chars, 0);
const size_t bytes = fdp.ConsumeData(str.data(), chars * sizeof(URI_CHAR));
// FuzzedDataProvider may provide less data than requested if the input is
// insufficiently long. We need to adjust the string length accordingly.
str.resize(bytes / sizeof(URI_CHAR));
return str;
}
inline UriString consumeRandomLengthString(FuzzedDataProvider & fdp) {
const size_t max_chars = fdp.remaining_bytes() / sizeof(URI_CHAR);
const size_t chars = fdp.ConsumeIntegralInRange<size_t>(0, max_chars);
return tryConsumeBytesAsString(fdp, chars);
}
inline UriString consumeRemainingBytesAsString(FuzzedDataProvider & fdp) {
const size_t chars = fdp.remaining_bytes() / sizeof(URI_CHAR);
return tryConsumeBytesAsString(fdp, chars);
}
#endif /* URI_FUZZING_UTILS_H */
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