1/* ===-------- vadefs.h ---------------------------------------------------=== 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9 10/* Only include this if we are aiming for MSVC compatibility. */ 11#ifndef _MSC_VER 12#include_next <vadefs.h> 13#else 14 15#ifndef __clang_vadefs_h 16#define __clang_vadefs_h 17 18#include_next <vadefs.h> 19 20/* Override macros from vadefs.h with definitions that work with Clang. */ 21#ifdef _crt_va_start 22#undef _crt_va_start 23#define _crt_va_start(ap, param) __builtin_va_start(ap, param) 24#endif 25#ifdef _crt_va_end 26#undef _crt_va_end 27#define _crt_va_end(ap) __builtin_va_end(ap) 28#endif 29#ifdef _crt_va_arg 30#undef _crt_va_arg 31#define _crt_va_arg(ap, type) __builtin_va_arg(ap, type) 32#endif 33 34/* VS 2015 switched to double underscore names, which is an improvement, but now 35 * we have to intercept those names too. 36 */ 37#ifdef __crt_va_start 38#undef __crt_va_start 39#define __crt_va_start(ap, param) __builtin_va_start(ap, param) 40#endif 41#ifdef __crt_va_end 42#undef __crt_va_end 43#define __crt_va_end(ap) __builtin_va_end(ap) 44#endif 45#ifdef __crt_va_arg 46#undef __crt_va_arg 47#define __crt_va_arg(ap, type) __builtin_va_arg(ap, type) 48#endif 49 50#endif 51#endif 52