1 /* 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 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 _LINUX_STRINGIFY_H 16 #define _LINUX_STRINGIFY_H 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif /* __cplusplus */ 21 22 /* 23 * Indirect stringification. Doing two levels allows the parameter to be a 24 * macro itself. For example, compile with -DFOO=bar, __stringify(FOO) 25 * converts to "bar". 26 */ 27 #define __stringify_1(x...) #x 28 #define __stringify(x...) __stringify_1(x) 29 30 #ifdef __cplusplus 31 } 32 #endif /* __cplusplus */ 33 34 #endif /* _LINUX_STRINGIFY_H */