1 files changed, 49 insertions, 0 deletions
diff --git a/test/core/util/fuzzer_util.h b/test/core/util/fuzzer_util.h
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+++ b/test/core/util/fuzzer_util.h
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+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * 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 GRPC_TEST_CORE_UTIL_FUZZER_UTIL_H
+#define GRPC_TEST_CORE_UTIL_FUZZER_UTIL_H
+
+#include <stdint.h>
+
+namespace grpc_core {
+
+namespace testing {
+
+// Main struct for input_stream. It allows easy access to input
+// bytes, and allows reading a little past the end(avoiding
+// needing to check everywhere).
+typedef struct {
+  const uint8_t* cur;
+  const uint8_t* end;
+} input_stream;
+
+// get a byte from an input stream.
+uint8_t grpc_fuzzer_get_next_byte(input_stream* inp);
+
+// get a string and boolean values (if special is not null) from an input
+// stream.
+char* grpc_fuzzer_get_next_string(input_stream* inp, bool* special);
+
+// get a uint32 value from an input stream.
+uint32_t grpc_fuzzer_get_next_uint32(input_stream* inp);
+
+}  // namespace testing
+}  // namespace grpc_core
+
+#endif /* GRPC_TEST_CORE_UTIL_FUZZER_UTIL_H */