1 // 2 // 3 // Copyright 2018 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // 18 19 #ifndef GRPC_TEST_CORE_UTIL_FUZZER_UTIL_H 20 #define GRPC_TEST_CORE_UTIL_FUZZER_UTIL_H 21 22 #include <stdint.h> 23 24 namespace grpc_core { 25 26 namespace testing { 27 28 // Main struct for input_stream. It allows easy access to input 29 // bytes, and allows reading a little past the end(avoiding 30 // needing to check everywhere). 31 typedef struct { 32 const uint8_t* cur; 33 const uint8_t* end; 34 } input_stream; 35 36 // get a byte from an input stream. 37 uint8_t grpc_fuzzer_get_next_byte(input_stream* inp); 38 39 // get a string and boolean values (if special is not null) from an input 40 // stream. 41 char* grpc_fuzzer_get_next_string(input_stream* inp, bool* special); 42 43 // get a uint32 value from an input stream. 44 uint32_t grpc_fuzzer_get_next_uint32(input_stream* inp); 45 46 } // namespace testing 47 } // namespace grpc_core 48 49 #endif // GRPC_TEST_CORE_UTIL_FUZZER_UTIL_H 50