3 * Copyright 2017 gRPC authors.
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
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #ifndef GRPC_CORE_LIB_SURFACE_VALIDATE_METADATA_H
20 #define GRPC_CORE_LIB_SURFACE_VALIDATE_METADATA_H
22 #include <grpc/support/port_platform.h>
24 #include <grpc/slice.h>
25 #include "src/core/lib/iomgr/error.h"
27 grpc_error* grpc_validate_header_key_is_legal(const grpc_slice& slice);
28 grpc_error* grpc_validate_header_nonbin_value_is_legal(const grpc_slice& slice);
30 int grpc_is_binary_header_internal(const grpc_slice& slice);
31 inline int grpc_key_is_binary_header(const uint8_t* buf, size_t length) {
32 if (length < 5) return 0;
33 return 0 == memcmp(buf + length - 4, "-bin", 4);
35 inline int grpc_is_refcounted_slice_binary_header(const grpc_slice& slice) {
36 GPR_DEBUG_ASSERT(slice.refcount != nullptr);
37 return grpc_key_is_binary_header(slice.data.refcounted.bytes,
38 slice.data.refcounted.length);
41 #endif /* GRPC_CORE_LIB_SURFACE_VALIDATE_METADATA_H */