1 /* 2 * Copyright 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <cstring> 20 21 #define SAFE_PARCEL(FUNC, ...) \ 22 { \ 23 status_t error = FUNC(__VA_ARGS__); \ 24 if (error) { \ 25 ALOGE("ERROR(%s, %d). Failed to call parcel %s(%s)", strerror(-error), error, #FUNC, \ 26 #__VA_ARGS__); \ 27 return error; \ 28 } \ 29 } 30 31 #define SAFE_PARCEL_READ_SIZE(FUNC, COUNT, SIZE) \ 32 { \ 33 SAFE_PARCEL(FUNC, COUNT); \ 34 if (static_cast<unsigned int>(*COUNT) > SIZE) { \ 35 ALOGE("ERROR(BAD_VALUE). %s was greater than dataSize", #COUNT); \ 36 return BAD_VALUE; \ 37 } \ 38 }