freebsd-src/contrib/gcc/glimits.h
David E. O'Brien 1952e2e1c1 Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
2002-02-01 18:16:02 +00:00

114 lines
2.8 KiB
C

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