52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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/*
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* limits.h - implementation limits
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*/
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/* $Header$ */
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#ifndef _LIMITS_HEADER_
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#define _LIMITS_HEADER_
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/*
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** Define _SIGNED_CHARS_ for machines with signed characters.
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** Define _WORD_32_ for machines with 32 bits integers.
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**
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** These defines should probably be set by the compiler when the
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** -vi option is used.
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*/
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#define _SIGNED_CHARS_
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#define _WORD_32_
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#define CHAR_BIT 8
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#define SCHAR_MIN (-127)
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#define SCHAR_MAX (+127)
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#define UCHAR_MAX 255
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#define MB_LEN_MAX 1
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#define SHRT_MIN (-32767)
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#define SHRT_MAX (+32767)
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#define USHRT_MAX 65535
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#define LONG_MIN (-2147483647L)
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#define LONG_MAX (+2147483647L)
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#define ULONG_MAX 4294967295L
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#ifdef _SIGNED_CHARS_
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#define CHAR_MAX SCHAR_MAX
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#define CHAR_MIN SCHAR_MIN
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#else /* defined(_UNSIGNED_CHARS_) */
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#define CHAR_MAX UCHAR_MAX
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#define CHAR_MIN 0
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#endif /* _SIGNED_CHARS */
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#ifdef _WORD_32_
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#define INT_MIN LONG_MIN
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#define INT_MAX LONG_MAX
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#define UINT_MAX ULONG_MAX
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#else /*defined(_WORD_16_)*/
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#define INT_MIN SHRT_MIN
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#define INT_MAX SHRT_MAX
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#define UINT_MAX USHRT_MAX
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#endif /* WORD_32_ */
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#endif /* _LIMITS_HEADER_ */
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