include/clang-c/ExternC.h

0001 /*===- clang-c/ExternC.h - Wrapper for 'extern "C"' ---------------*- C -*-===*\
0002 |*                                                                            *|
0003 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
0004 |* Exceptions.                                                                *|
0005 |* See https://llvm.org/LICENSE.txt for license information.                  *|
0006 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
0007 |*                                                                            *|
0008 |*===----------------------------------------------------------------------===*|
0009 |*                                                                            *|
0010 |* This file defines an 'extern "C"' wrapper.                                 *|
0011 |*                                                                            *|
0012 \*===----------------------------------------------------------------------===*/
0013
0014 #ifndef LLVM_CLANG_C_EXTERN_C_H
0015 #define LLVM_CLANG_C_EXTERN_C_H
0016
0017 #ifdef __clang__
0018 #define LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN                                   \
0019   _Pragma("clang diagnostic push")                                             \
0020       _Pragma("clang diagnostic error \"-Wstrict-prototypes\"")
0021 #define LLVM_CLANG_C_STRICT_PROTOTYPES_END _Pragma("clang diagnostic pop")
0022 #else
0023 #define LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN
0024 #define LLVM_CLANG_C_STRICT_PROTOTYPES_END
0025 #endif
0026
0027 #ifdef __cplusplus
0028 #define LLVM_CLANG_C_EXTERN_C_BEGIN                                            \
0029   extern "C" {                                                                 \
0030   LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN
0031 #define LLVM_CLANG_C_EXTERN_C_END                                              \
0032   LLVM_CLANG_C_STRICT_PROTOTYPES_END                                           \
0033   }
0034 #else
0035 #define LLVM_CLANG_C_EXTERN_C_BEGIN LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN
0036 #define LLVM_CLANG_C_EXTERN_C_END LLVM_CLANG_C_STRICT_PROTOTYPES_END
0037 #endif
0038
0039 #endif