include/c99_compat.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007-2013 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef _C99_COMPAT_H_
  29 #define _C99_COMPAT_H_
  30
  31
  32 /*
  33  * C99 inline keyword
  34  */
  35 #ifndef inline
  36 #  ifdef __cplusplus
  37      /* C++ supports inline keyword */
  38 #  elif defined(__GNUC__)
  39 #    define inline __inline__
  40 #  elif defined(_MSC_VER)
  41 #    define inline __inline
  42 #  elif defined(__ICL)
  43 #    define inline __inline
  44 #  elif defined(__INTEL_COMPILER)
  45      /* Intel compiler supports inline keyword */
  46 #  elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
  47 #    define inline __inline
  48 #  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
  49      /* C99 supports inline keyword */
  50 #  elif (__STDC_VERSION__ >= 199901L)
  51      /* C99 supports inline keyword */
  52 #  else
  53 #    define inline
  54 #  endif
  55 #endif
  56
  57
  58 /*
  59  * C99 restrict keyword
  60  *
  61  * See also:
  62  * - http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html
  63  */
  64 #ifndef restrict
  65 #  if (__STDC_VERSION__ >= 199901L)
  66      /* C99 */
  67 #  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
  68      /* C99 */
  69 #  elif defined(__GNUC__)
  70 #    define restrict __restrict__
  71 #  elif defined(_MSC_VER)
  72 #    define restrict __restrict
  73 #  else
  74 #    define restrict /* */
  75 #  endif
  76 #endif
  77
  78
  79 /*
  80  * C99 __func__ macro
  81  */
  82 #ifndef __func__
  83 #  if (__STDC_VERSION__ >= 199901L)
  84      /* C99 */
  85 #  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
  86      /* C99 */
  87 #  elif defined(__GNUC__)
  88 #    if __GNUC__ >= 2
  89 #      define __func__ __FUNCTION__
  90 #    else
  91 #      define __func__ "<unknown>"
  92 #    endif
  93 #  elif defined(_MSC_VER)
  94 #    if _MSC_VER >= 1300
  95 #      define __func__ __FUNCTION__
  96 #    else
  97 #      define __func__ "<unknown>"
  98 #    endif
  99 #  else
 100 #    define __func__ "<unknown>"
 101 #  endif
 102 #endif
 103
 104
 105 #endif /* _C99_COMPAT_H_ */