1 // Copyright (C) 2024 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ICING_FILE_CONSTANTS_H_ 16 #define ICING_FILE_CONSTANTS_H_ 17 18 namespace icing { 19 namespace lib { 20 namespace constants { 21 22 // Icing internal max size for protos. 23 // 24 // WARNING: Changing this to a larger number may invalidate our assumption 25 // that that proto size can safely be stored in the last 3 bytes of the proto 26 // header. 27 static constexpr int kMaxProtoSize = (1 << 24) - 1; // 16MiB 28 static_assert(kMaxProtoSize <= 0x00FFFFFF, 29 "kMaxProtoSize doesn't fit in 3 bytes"); 30 31 } // namespace constants 32 } // namespace lib 33 } // namespace icing 34 35 #endif // ICING_FILE_CONSTANTS_H_ 36