bsd/i386/limits.h

   1 /*
   2  * Copyright (c) 1988, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)limits.h    8.3 (Berkeley) 1/4/94
  34  */
  35
  36 #ifndef _I386_LIMITS_H_
  37 #define _I386_LIMITS_H_
  38
  39 #include <sys/cdefs.h>
  40 #include <i386/_limits.h>
  41
  42 #define CHAR_BIT        8               /* number of bits in a char */
  43 #define MB_LEN_MAX      6               /* Allow 31 bit UTF2 */
  44
  45 #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
  46 #define CLK_TCK         __DARWIN_CLK_TCK        /* ticks per second */
  47 #endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
  48
  49 /*
  50  * According to ANSI (section 2.2.4.2), the values below must be usable by
  51  * #if preprocessing directives.  Additionally, the expression must have the
  52  * same type as would an expression that is an object of the corresponding
  53  * type converted according to the integral promotions.  The subtraction for
  54  * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
  55  * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
  56  * These numbers work for pcc as well.  The UINT_MAX and ULONG_MAX values
  57  * are written as hex so that GCC will be quiet about large integer constants.
  58  */
  59 #define SCHAR_MAX       127             /* min value for a signed char */
  60 #define SCHAR_MIN       (-128)          /* max value for a signed char */
  61
  62 #define UCHAR_MAX       255             /* max value for an unsigned char */
  63 #define CHAR_MAX        127             /* max value for a char */
  64 #define CHAR_MIN        (-128)          /* min value for a char */
  65
  66 #define USHRT_MAX       65535           /* max value for an unsigned short */
  67 #define SHRT_MAX        32767           /* max value for a short */
  68 #define SHRT_MIN        (-32768)        /* min value for a short */
  69
  70 #define UINT_MAX        0xffffffff      /* max value for an unsigned int */
  71 #define INT_MAX         2147483647      /* max value for an int */
  72 #define INT_MIN         (-2147483647-1) /* min value for an int */
  73
  74 #ifdef __LP64__
  75 #define ULONG_MAX       0xffffffffffffffffUL    /* max unsigned long */
  76 #define LONG_MAX        0x7fffffffffffffffL     /* max signed long */
  77 #define LONG_MIN        (-0x7fffffffffffffffL-1) /* min signed long */
  78 #else /* !__LP64__ */
  79 #define ULONG_MAX       0xffffffffUL    /* max unsigned long */
  80 #define LONG_MAX        2147483647L     /* max signed long */
  81 #define LONG_MIN        (-2147483647L-1) /* min signed long */
  82 #endif /* __LP64__ */
  83
  84 #define ULLONG_MAX      0xffffffffffffffffULL   /* max unsigned long long */
  85 #define LLONG_MAX       0x7fffffffffffffffLL    /* max signed long long */
  86 #define LLONG_MIN       (-0x7fffffffffffffffLL-1) /* min signed long long */
  87
  88 #if !defined(_ANSI_SOURCE)
  89 #ifdef __LP64__
  90 #define LONG_BIT        64
  91 #else /* !__LP64__ */
  92 #define LONG_BIT        32
  93 #endif /* __LP64__ */
  94 #define SSIZE_MAX       LONG_MAX        /* max value for a ssize_t */
  95 #define WORD_BIT        32
  96
  97 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
  98 #define SIZE_T_MAX      ULONG_MAX       /* max value for a size_t */
  99
 100 #define UQUAD_MAX       ULLONG_MAX
 101 #define QUAD_MAX        LLONG_MAX
 102 #define QUAD_MIN        LLONG_MIN
 103
 104 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
 105 #endif /* !_ANSI_SOURCE */
 106
 107 #endif /* _I386_LIMITS_H_ */