src/cc-compat.h

   1 /*
   2  * cc-compat.h - C compiler compat macros for internal use
   3  */
   4 #ifndef INCLUDE_compat_h__
   5 #define INCLUDE_compat_h__
   6
   7 /*
   8  * See if our compiler is known to support flexible array members.
   9  */
  10 #ifndef GIT_FLEX_ARRAY
  11 # if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
  12 #  define GIT_FLEX_ARRAY /* empty */
  13 # elif defined(__GNUC__)
  14 #  if (__GNUC__ >= 3)
  15 #   define GIT_FLEX_ARRAY /* empty */
  16 #  else
  17 #   define GIT_FLEX_ARRAY 0 /* older GNU extension */
  18 #  endif
  19 # endif
  20
  21 /* Default to safer but a bit wasteful traditional style */
  22 # ifndef GIT_FLEX_ARRAY
  23 #  define GIT_FLEX_ARRAY 1
  24 # endif
  25 #endif
  26
  27 #ifdef __GNUC__
  28 # define GIT_TYPEOF(x) (__typeof__(x))
  29 #else
  30 # define GIT_TYPEOF(x)
  31 #endif
  32
  33 /*
  34  * Does our compiler/platform support the C99 <inttypes.h> and
  35  * <stdint.h> header files. (C99 requires that <inttypes.h>
  36  * includes <stdint.h>).
  37  */
  38 #if !defined(_MSC_VER)
  39 # define GIT_HAVE_INTTYPES_H 1
  40 #endif
  41
  42 /* Define the printf format specifer to use for size_t output */
  43 #if !defined(_MSC_VER)
  44 # define PRIuZ "zu"
  45 #else
  46 # define PRIuZ "Iu"
  47 #endif
  48
  49 /* Micosoft Visual C/C++ */
  50 #if defined(_MSC_VER)
  51 /* no direct support for C99 inline function specifier */
  52 # define inline __inline
  53 /* disable "deprecated function" warnings */
  54 # pragma warning ( disable : 4996 )
  55 #endif
  56
  57 #endif /* INCLUDE_compat_h__ */