forked from KolibriOS/kolibrios
146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright 2007-2013 VMware, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
|
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#ifndef _C99_COMPAT_H_
|
|
#define _C99_COMPAT_H_
|
|
|
|
|
|
/*
|
|
* MSVC hacks.
|
|
*/
|
|
#if defined(_MSC_VER)
|
|
/*
|
|
* Visual Studio 2012 will complain if we define the `inline` keyword, but
|
|
* actually it only supports the keyword on C++.
|
|
*
|
|
* To avoid this the _ALLOW_KEYWORD_MACROS must be set.
|
|
*/
|
|
# if (_MSC_VER >= 1700) && !defined(_ALLOW_KEYWORD_MACROS)
|
|
# define _ALLOW_KEYWORD_MACROS
|
|
# endif
|
|
|
|
/*
|
|
* XXX: MSVC has a `__restrict` keyword, but it also has a
|
|
* `__declspec(restrict)` modifier, so it is impossible to define a
|
|
* `restrict` macro without interfering with the latter. Furthermore the
|
|
* MSVC standard library uses __declspec(restrict) under the _CRTRESTRICT
|
|
* macro. For now resolve this issue by redefining _CRTRESTRICT, but going
|
|
* forward we should probably should stop using restrict, especially
|
|
* considering that our code does not obbey strict aliasing rules any way.
|
|
*/
|
|
# include <crtdefs.h>
|
|
# undef _CRTRESTRICT
|
|
# define _CRTRESTRICT
|
|
#endif
|
|
|
|
|
|
/*
|
|
* C99 inline keyword
|
|
*/
|
|
#ifndef inline
|
|
# ifdef __cplusplus
|
|
/* C++ supports inline keyword */
|
|
# elif defined(__GNUC__)
|
|
# define inline __inline__
|
|
# elif defined(_MSC_VER)
|
|
# define inline __inline
|
|
# elif defined(__ICL)
|
|
# define inline __inline
|
|
# elif defined(__INTEL_COMPILER)
|
|
/* Intel compiler supports inline keyword */
|
|
# elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
|
|
# define inline __inline
|
|
# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
|
|
/* C99 supports inline keyword */
|
|
# elif (__STDC_VERSION__ >= 199901L)
|
|
/* C99 supports inline keyword */
|
|
# else
|
|
# define inline
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/*
|
|
* C99 restrict keyword
|
|
*
|
|
* See also:
|
|
* - http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html
|
|
*/
|
|
#ifndef restrict
|
|
# if (__STDC_VERSION__ >= 199901L)
|
|
/* C99 */
|
|
# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
|
|
/* C99 */
|
|
# elif defined(__GNUC__)
|
|
# define restrict __restrict__
|
|
# elif defined(_MSC_VER)
|
|
# define restrict __restrict
|
|
# else
|
|
# define restrict /* */
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/*
|
|
* C99 __func__ macro
|
|
*/
|
|
#ifndef __func__
|
|
# if (__STDC_VERSION__ >= 199901L)
|
|
/* C99 */
|
|
# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
|
|
/* C99 */
|
|
# elif defined(__GNUC__)
|
|
# if __GNUC__ >= 2
|
|
# define __func__ __FUNCTION__
|
|
# else
|
|
# define __func__ "<unknown>"
|
|
# endif
|
|
# elif defined(_MSC_VER)
|
|
# if _MSC_VER >= 1300
|
|
# define __func__ __FUNCTION__
|
|
# else
|
|
# define __func__ "<unknown>"
|
|
# endif
|
|
# else
|
|
# define __func__ "<unknown>"
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/* Simple test case for debugging */
|
|
#if 0
|
|
static inline const char *
|
|
test_c99_compat_h(const void * restrict a,
|
|
const void * restrict b)
|
|
{
|
|
return __func__;
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* _C99_COMPAT_H_ */
|