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114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
#ifndef _LIMITS_H___
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#define _LIMITS_H___
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/* Number of bits in a `char'. */
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#undef CHAR_BIT
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#define CHAR_BIT 8
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/* Maximum length of a multibyte character. */
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#ifndef MB_LEN_MAX
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#define MB_LEN_MAX 1
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#endif
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/* Minimum and maximum values a `signed char' can hold. */
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#undef SCHAR_MIN
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#define SCHAR_MIN (-128)
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#undef SCHAR_MAX
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#define SCHAR_MAX 127
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/* Maximum value an `unsigned char' can hold. (Minimum is 0). */
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#undef UCHAR_MAX
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#define UCHAR_MAX 255
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/* Minimum and maximum values a `char' can hold. */
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#ifdef __CHAR_UNSIGNED__
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#undef CHAR_MIN
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#define CHAR_MIN 0
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#undef CHAR_MAX
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#define CHAR_MAX 255
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#else
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#undef CHAR_MIN
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#define CHAR_MIN (-128)
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#undef CHAR_MAX
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#define CHAR_MAX 127
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#endif
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#ifndef __SHRT_MAX__
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#define __SHRT_MAX__ 32767
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#endif
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/* Minimum and maximum values a `signed short int' can hold. */
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#undef SHRT_MIN
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#define SHRT_MIN (-SHRT_MAX-1)
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#undef SHRT_MAX
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#define SHRT_MAX __SHRT_MAX__
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/* Minimum and maximum values a `signed int' can hold. */
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#ifndef __INT_MAX__
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#define __INT_MAX__ 2147483647
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#endif
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#undef INT_MIN
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#define INT_MIN (-INT_MAX-1)
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#undef INT_MAX
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#define INT_MAX __INT_MAX__
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/* Maximum value an `unsigned short int' can hold. (Minimum is 0). */
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#undef USHRT_MAX
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#if __SHRT_MAX__ == __INT_MAX__
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#define USHRT_MAX (SHRT_MAX * 2U + 1U)
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#else
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#define USHRT_MAX (SHRT_MAX * 2 + 1)
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#endif
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/* Maximum value an `unsigned int' can hold. (Minimum is 0). */
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#undef UINT_MAX
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#define UINT_MAX (INT_MAX * 2U + 1)
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/* Minimum and maximum values a `signed long int' can hold.
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(Same as `int'). */
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#ifndef __LONG_MAX__
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#if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
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#define __LONG_MAX__ 9223372036854775807L
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#else
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#define __LONG_MAX__ 2147483647L
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#endif /* __alpha__ || sparc64 */
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#endif
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#undef LONG_MIN
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#define LONG_MIN (-LONG_MAX-1)
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#undef LONG_MAX
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#define LONG_MAX __LONG_MAX__
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/* Maximum value an `unsigned long int' can hold. (Minimum is 0). */
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#undef ULONG_MAX
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#define ULONG_MAX (LONG_MAX * 2UL + 1)
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#ifndef __LONG_LONG_MAX__
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#define __LONG_LONG_MAX__ 9223372036854775807LL
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#endif
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* Minimum and maximum values a `signed long long int' can hold. */
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#undef LLONG_MIN
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#define LLONG_MIN (-LLONG_MAX-1)
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#undef LLONG_MAX
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#define LLONG_MAX __LONG_LONG_MAX__
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/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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#undef ULLONG_MAX
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#define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
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#endif
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#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
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/* Minimum and maximum values a `signed long long int' can hold. */
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#undef LONG_LONG_MIN
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#define LONG_LONG_MIN (-LONG_LONG_MAX-1)
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#undef LONG_LONG_MAX
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#define LONG_LONG_MAX __LONG_LONG_MAX__
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/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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#undef ULONG_LONG_MAX
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#define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
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#endif
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#endif /* _LIMITS_H___ */
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