newlib/libc/include/limits.h

   1 #ifndef _LIBC_LIMITS_H_
   2 # define _LIBC_LIMITS_H_        1
   3
   4 #include <newlib.h>
   5 #include <sys/cdefs.h>
   6 #include <sys/syslimits.h>
   7
   8 # ifdef _MB_LEN_MAX
   9 #  define MB_LEN_MAX    _MB_LEN_MAX
  10 # else
  11 #  define MB_LEN_MAX    1
  12 # endif
  13
  14 /* Maximum number of positional arguments, if _WANT_IO_POS_ARGS.  */
  15 # ifndef NL_ARGMAX
  16 #  define NL_ARGMAX 32
  17 # endif
  18
  19 /* if do not have #include_next support, then we
  20    have to define the limits here. */
  21 # if !defined __GNUC__ || __GNUC__ < 2
  22
  23 #  ifndef _LIMITS_H
  24 #   define _LIMITS_H    1
  25
  26 #   include <sys/config.h>
  27
  28 /* Number of bits in a `char'.  */
  29 #   undef CHAR_BIT
  30 #   define CHAR_BIT 8
  31
  32 /* Minimum and maximum values a `signed char' can hold.  */
  33 #   undef SCHAR_MIN
  34 #   define SCHAR_MIN (-128)
  35 #   undef SCHAR_MAX
  36 #   define SCHAR_MAX 127
  37
  38 /* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
  39 #   undef UCHAR_MAX
  40 #   define UCHAR_MAX 255
  41
  42 /* Minimum and maximum values a `char' can hold.  */
  43 #   ifdef __CHAR_UNSIGNED__
  44 #    undef CHAR_MIN
  45 #    define CHAR_MIN 0
  46 #    undef CHAR_MAX
  47 #    define CHAR_MAX 255
  48 #   else
  49 #    undef CHAR_MIN
  50 #    define CHAR_MIN (-128)
  51 #    undef CHAR_MAX
  52 #    define CHAR_MAX 127
  53 #   endif
  54
  55 /* Minimum and maximum values a `signed short int' can hold.  */
  56 #   undef SHRT_MIN
  57 /* For the sake of 16 bit hosts, we may not use -32768 */
  58 #   define SHRT_MIN (-32767-1)
  59 #   undef SHRT_MAX
  60 #   define SHRT_MAX 32767
  61
  62 /* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
  63 #   undef USHRT_MAX
  64 #   define USHRT_MAX 65535
  65
  66 /* Minimum and maximum values a `signed int' can hold.  */
  67 #   ifndef __INT_MAX__
  68 #    define __INT_MAX__ 2147483647
  69 #   endif
  70 #   undef INT_MIN
  71 #   define INT_MIN (-INT_MAX-1)
  72 #   undef INT_MAX
  73 #   define INT_MAX __INT_MAX__
  74
  75 /* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
  76 #   undef UINT_MAX
  77 #   define UINT_MAX (INT_MAX * 2U + 1)
  78
  79 /* Minimum and maximum values a `signed long int' can hold.
  80    (Same as `int').  */
  81 #   ifndef __LONG_MAX__
  82 #    if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
  83 #     define __LONG_MAX__ 9223372036854775807L
  84 #    else
  85 #     define __LONG_MAX__ 2147483647L
  86 #    endif /* __alpha__ || sparc64 */
  87 #   endif
  88 #   undef LONG_MIN
  89 #   define LONG_MIN (-LONG_MAX-1)
  90 #   undef LONG_MAX
  91 #   define LONG_MAX __LONG_MAX__
  92
  93 /* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
  94 #   undef ULONG_MAX
  95 #   define ULONG_MAX (LONG_MAX * 2UL + 1)
  96
  97 #   ifndef __LONG_LONG_MAX__
  98 #    define __LONG_LONG_MAX__ 9223372036854775807LL
  99 #   endif
 100
 101 #   if __ISO_C_VISIBLE >= 1999
 102 /* Minimum and maximum values a `signed long long int' can hold.  */
 103 #    undef LLONG_MIN
 104 #    define LLONG_MIN (-LLONG_MAX-1)
 105 #    undef LLONG_MAX
 106 #    define LLONG_MAX __LONG_LONG_MAX__
 107
 108 /* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
 109 #    undef ULLONG_MAX
 110 #    define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
 111 #   endif
 112
 113 #  if __GNU_VISIBLE
 114 /* Minimum and maximum values a `signed long long int' can hold.  */
 115 #    undef LONG_LONG_MIN
 116 #    define LONG_LONG_MIN (-LONG_LONG_MAX-1)
 117 #    undef LONG_LONG_MAX
 118 #    define LONG_LONG_MAX __LONG_LONG_MAX__
 119
 120 /* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
 121 #    undef ULONG_LONG_MAX
 122 #    define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
 123 #   endif
 124
 125 #  endif /* _LIMITS_H  */
 126 # endif  /* GCC 2.  */
 127
 128 #endif   /* !_LIBC_LIMITS_H_ */
 129
 130 #if defined __GNUC__ && !defined _GCC_LIMITS_H_
 131 /* `_GCC_LIMITS_H_' is what GCC's file defines.  */
 132 # include_next <limits.h>
 133 #endif /* __GNUC__ && !_GCC_LIMITS_H_ */
 134
 135 #ifndef _POSIX2_RE_DUP_MAX
 136 /* The maximum number of repeated occurrences of a regular expression
 137  *    permitted when using the interval notation `\{M,N\}'.  */
 138 #define _POSIX2_RE_DUP_MAX              255
 139 #endif /* _POSIX2_RE_DUP_MAX  */
 140
 141 #ifndef ARG_MAX
 142 #define ARG_MAX         4096
 143 #endif
 144
 145 #ifndef PATH_MAX
 146 #define PATH_MAX        4096
 147 #endif