llvm-project/clang/lib/Headers/vadefs.h

52 lines
1.4 KiB
C

/* ===-------- vadefs.h ---------------------------------------------------===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
/* Only include this if we are aiming for MSVC compatibility. */
#ifndef _MSC_VER
#include_next <vadefs.h>
#else
#ifndef __clang_vadefs_h
#define __clang_vadefs_h
#include_next <vadefs.h>
/* Override macros from vadefs.h with definitions that work with Clang. */
#ifdef _crt_va_start
#undef _crt_va_start
#define _crt_va_start(ap, param) __builtin_va_start(ap, param)
#endif
#ifdef _crt_va_end
#undef _crt_va_end
#define _crt_va_end(ap) __builtin_va_end(ap)
#endif
#ifdef _crt_va_arg
#undef _crt_va_arg
#define _crt_va_arg(ap, type) __builtin_va_arg(ap, type)
#endif
/* VS 2015 switched to double underscore names, which is an improvement, but now
* we have to intercept those names too.
*/
#ifdef __crt_va_start
#undef __crt_va_start
#define __crt_va_start(ap, param) __builtin_va_start(ap, param)
#endif
#ifdef __crt_va_end
#undef __crt_va_end
#define __crt_va_end(ap) __builtin_va_end(ap)
#endif
#ifdef __crt_va_arg
#undef __crt_va_arg
#define __crt_va_arg(ap, type) __builtin_va_arg(ap, type)
#endif
#endif
#endif