121 lines
3.2 KiB
C
121 lines
3.2 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 _LIBC_LIMITS_H_
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/* Use "..." so that we find syslimits.h only in this same directory. */
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#include "syslimits.h"
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#endif
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#ifndef _LIMITS_H___
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#ifndef _MACH_MACHLIMITS_H_
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/* _MACH_MACHLIMITS_H_ is used on OSF/1. */
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#define _LIMITS_H___
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#define _MACH_MACHLIMITS_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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/* Minimum and maximum values a `signed short int' can hold. */
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#undef SHRT_MIN
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/* For the sake of 16 bit hosts, we may not use -32768 */
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#define SHRT_MIN (-32767-1)
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#undef SHRT_MAX
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#define SHRT_MAX 32767
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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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#define USHRT_MAX 65535
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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 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 (_ARCH_PPC) && defined (__64BIT__)) || defined (__sparc_v9__) || 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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#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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#ifndef __LONG_LONG_MAX__
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#define __LONG_LONG_MAX__ 9223372036854775807LL
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#endif
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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 /* _MACH_MACHLIMITS_H_ */
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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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