1 /* 2 * Copyright (C) 2016 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 #ifndef CHRE_UTIL_MACROS_H_ 18 #define CHRE_UTIL_MACROS_H_ 19 20 /** 21 * Obtains the number of elements in a C-style array. 22 */ 23 #define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) 24 25 /** 26 * Performs macro expansion then converts the value into a string literal 27 */ 28 #define STRINGIFY(x) STRINGIFY2(x) 29 #define STRINGIFY2(x) #x 30 31 #endif // CHRE_UTIL_MACROS_H_ 32