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

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MS Compat: interpose vadefs.h to fix definitions of _crt_va_{start,end,arg} (PR21247) Differential revision: http://reviews.llvm.org/D5784 llvm-svn: 219740
2014-10-15 06:35:42 +08:00
/* ===-------- vadefs.h ---------------------------------------------------===
*
Move the builtin headers to use the new license file header. Summary: These all had somewhat custom file headers with different text from the ones I searched for previously, and so I missed them. Thanks to Hal and Kristina and others who prompted me to fix this, and sorry it took so long. Reviewers: hfinkel Subscribers: mcrosier, javed.absar, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D60406 llvm-svn: 357941
2019-04-09 04:51:30 +08:00
* 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
MS Compat: interpose vadefs.h to fix definitions of _crt_va_{start,end,arg} (PR21247) Differential revision: http://reviews.llvm.org/D5784 llvm-svn: 219740
2014-10-15 06:35:42 +08:00
*
*===-----------------------------------------------------------------------===
*/
/* 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
vadefs.h: be even more conservative and only define the macros if already defined llvm-svn: 219745
2014-10-15 07:20:25 +08:00
#define _crt_va_start(ap, param) __builtin_va_start(ap, param)
MS Compat: interpose vadefs.h to fix definitions of _crt_va_{start,end,arg} (PR21247) Differential revision: http://reviews.llvm.org/D5784 llvm-svn: 219740
2014-10-15 06:35:42 +08:00
#endif
#ifdef _crt_va_end
#undef _crt_va_end
vadefs.h: be even more conservative and only define the macros if already defined llvm-svn: 219745
2014-10-15 07:20:25 +08:00
#define _crt_va_end(ap) __builtin_va_end(ap)
MS Compat: interpose vadefs.h to fix definitions of _crt_va_{start,end,arg} (PR21247) Differential revision: http://reviews.llvm.org/D5784 llvm-svn: 219740
2014-10-15 06:35:42 +08:00
#endif
#ifdef _crt_va_arg
#undef _crt_va_arg
#define _crt_va_arg(ap, type) __builtin_va_arg(ap, type)
vadefs.h: be even more conservative and only define the macros if already defined llvm-svn: 219745
2014-10-15 07:20:25 +08:00
#endif
MS Compat: interpose vadefs.h to fix definitions of _crt_va_{start,end,arg} (PR21247) Differential revision: http://reviews.llvm.org/D5784 llvm-svn: 219740
2014-10-15 06:35:42 +08:00
Intercept __crt_va_* used by MSVC "14" Moving further into the implementor's namespace is good, but now we have one more name to intercept. llvm-svn: 222473
2014-11-21 06:44:03 +08:00
/* 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
MS Compat: interpose vadefs.h to fix definitions of _crt_va_{start,end,arg} (PR21247) Differential revision: http://reviews.llvm.org/D5784 llvm-svn: 219740
2014-10-15 06:35:42 +08:00
#endif
#endif