122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
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/* This administrivia gets added to the beginning of limits.h
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if the system has its own version of limits.h. */
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/* We use _GCC_LIMITS_H_ because we want this not to match
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any macros that the system's limits.h uses for its own purposes. */
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#ifndef _GCC_LIMITS_H_ /* Terminated in limity.h. */
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#define _GCC_LIMITS_H_
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#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 __CHAR_BIT__
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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 (-SCHAR_MAX - 1)
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#undef SCHAR_MAX
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#define SCHAR_MAX __SCHAR_MAX__
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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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#if __SCHAR_MAX__ == __INT_MAX__
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# define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
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#else
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# define UCHAR_MAX (SCHAR_MAX * 2 + 1)
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#endif
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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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# if __SCHAR_MAX__ == __INT_MAX__
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# define CHAR_MIN 0U
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# else
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# define CHAR_MIN 0
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# endif
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# undef CHAR_MAX
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# define CHAR_MAX UCHAR_MAX
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#else
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# undef CHAR_MIN
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# define CHAR_MIN SCHAR_MIN
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# undef CHAR_MAX
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# define CHAR_MAX SCHAR_MAX
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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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/* 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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/* Minimum and maximum values a `signed int' can hold. */
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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 int' can hold. (Minimum is 0). */
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#undef UINT_MAX
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#define UINT_MAX (INT_MAX * 2U + 1U)
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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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#undef LONG_MIN
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#define LONG_MIN (-LONG_MAX - 1L)
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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 + 1UL)
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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 - 1LL)
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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 + 1ULL)
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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 - 1LL)
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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 + 1ULL)
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#endif
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#endif /* _LIMITS_H___ */
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/* This administrivia gets added to the end of limits.h
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if the system has its own version of limits.h. */
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#else /* not _GCC_LIMITS_H_ */
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#ifdef _GCC_NEXT_LIMITS_H
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#include_next <limits.h> /* recurse down to the real one */
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#endif
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#endif /* not _GCC_LIMITS_H_ */
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