gcc/glimits.h

   1 #ifndef _LIMITS_H___
   2 #ifndef _MACH_MACHLIMITS_H_
   3
   4 /* _MACH_MACHLIMITS_H_ is used on OSF/1.  */
   5 #define _LIMITS_H___
   6 #define _MACH_MACHLIMITS_H_
   7
   8 /* Number of bits in a `char'.  */
   9 #undef CHAR_BIT
  10 #define CHAR_BIT 8
  11
  12 /* Maximum length of a multibyte character.  */
  13 #ifndef MB_LEN_MAX
  14 #define MB_LEN_MAX 1
  15 #endif
  16
  17 /* Minimum and maximum values a `signed char' can hold.  */
  18 #undef SCHAR_MIN
  19 #define SCHAR_MIN (-128)
  20 #undef SCHAR_MAX
  21 #define SCHAR_MAX 127
  22
  23 /* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
  24 #undef UCHAR_MAX
  25 #define UCHAR_MAX 255
  26
  27 /* Minimum and maximum values a `char' can hold.  */
  28 #ifdef __CHAR_UNSIGNED__
  29 #undef CHAR_MIN
  30 #define CHAR_MIN 0
  31 #undef CHAR_MAX
  32 #define CHAR_MAX 255
  33 #else
  34 #undef CHAR_MIN
  35 #define CHAR_MIN (-128)
  36 #undef CHAR_MAX
  37 #define CHAR_MAX 127
  38 #endif
  39
  40 /* Minimum and maximum values a `signed short int' can hold.  */
  41 #undef SHRT_MIN
  42 /* For the sake of 16 bit hosts, we may not use -32768 */
  43 #define SHRT_MIN (-32767-1)
  44 #undef SHRT_MAX
  45 #define SHRT_MAX 32767
  46
  47 /* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
  48 #undef USHRT_MAX
  49 #define USHRT_MAX 65535
  50
  51 /* Minimum and maximum values a `signed int' can hold.  */
  52 #ifndef __INT_MAX__
  53 #define __INT_MAX__ 2147483647
  54 #endif
  55 #undef INT_MIN
  56 #define INT_MIN (-INT_MAX-1)
  57 #undef INT_MAX
  58 #define INT_MAX __INT_MAX__
  59
  60 /* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
  61 #undef UINT_MAX
  62 #define UINT_MAX (INT_MAX * 2U + 1)
  63
  64 /* Minimum and maximum values a `signed long int' can hold.
  65    (Same as `int').  */
  66 #ifndef __LONG_MAX__
  67 #if defined (__alpha__) || (defined (_ARCH_PPC) && defined (__64BIT__)) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
  68 #define __LONG_MAX__ 9223372036854775807L
  69 #else
  70 #define __LONG_MAX__ 2147483647L
  71 #endif /* __alpha__ || sparc64 */
  72 #endif
  73 #undef LONG_MIN
  74 #define LONG_MIN (-LONG_MAX-1)
  75 #undef LONG_MAX
  76 #define LONG_MAX __LONG_MAX__
  77
  78 /* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
  79 #undef ULONG_MAX
  80 #define ULONG_MAX (LONG_MAX * 2UL + 1)
  81
  82 #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
  83 /* Minimum and maximum values a `signed long long int' can hold.  */
  84 #ifndef __LONG_LONG_MAX__
  85 #define __LONG_LONG_MAX__ 9223372036854775807LL
  86 #endif
  87 #undef LONG_LONG_MIN
  88 #define LONG_LONG_MIN (-LONG_LONG_MAX-1)
  89 #undef LONG_LONG_MAX
  90 #define LONG_LONG_MAX __LONG_LONG_MAX__
  91
  92 /* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
  93 #undef ULONG_LONG_MAX
  94 #define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
  95 #endif
  96
  97 #endif /* _MACH_MACHLIMITS_H_ */
  98 #endif /* _LIMITS_H___ */