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