sys/arch/i386/include/limits.h

   1 /*      $NetBSD: limits.h,v 1.25 2014/04/21 10:53:47 matt Exp $ */
   2
   3 /*
   4  * Copyright (c) 1988 The Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)limits.h    7.2 (Berkeley) 6/28/90
  32  */
  33
  34 #ifndef _I386_LIMITS_H_
  35 #define _I386_LIMITS_H_
  36
  37 #include <sys/featuretest.h>
  38
  39 #define CHAR_BIT        8               /* number of bits in a char */
  40
  41 #define UCHAR_MAX       0xff            /* max value for an unsigned char */
  42 #define SCHAR_MAX       0x7f            /* max value for a signed char */
  43 #define SCHAR_MIN       (-0x7f-1)       /* min value for a signed char */
  44
  45 #define USHRT_MAX       0xffff          /* max value for an unsigned short */
  46 #define SHRT_MAX        0x7fff          /* max value for a short */
  47 #define SHRT_MIN        (-0x7fff-1)     /* min value for a short */
  48
  49 #define UINT_MAX        0xffffffffU     /* max value for an unsigned int */
  50 #define INT_MAX         0x7fffffff      /* max value for an int */
  51 #define INT_MIN         (-0x7fffffff-1) /* min value for an int */
  52
  53 #define ULONG_MAX       0xffffffffUL    /* max value for an unsigned long */
  54 #define LONG_MAX        0x7fffffffL     /* max value for a long */
  55 #define LONG_MIN        (-0x7fffffffL-1)        /* min value for a long */
  56
  57 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
  58     defined(_NETBSD_SOURCE)
  59 #define SSIZE_MAX       INT_MAX         /* max value for a ssize_t */
  60
  61 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
  62     defined(_NETBSD_SOURCE)
  63 #define ULLONG_MAX      0xffffffffffffffffULL   /* max unsigned long long */
  64 #define LLONG_MAX       0x7fffffffffffffffLL    /* max signed long long */
  65 #define LLONG_MIN       (-0x7fffffffffffffffLL-1) /* min signed long long */
  66 #endif
  67
  68 #if defined(_NETBSD_SOURCE)
  69 #define SSIZE_MIN       INT_MIN         /* min value for a ssize_t */
  70 #define SIZE_T_MAX      UINT_MAX        /* max value for a size_t */
  71
  72 #define UQUAD_MAX       0xffffffffffffffffULL           /* max unsigned quad */
  73 #define QUAD_MAX        0x7fffffffffffffffLL            /* max signed quad */
  74 #define QUAD_MIN        (-0x7fffffffffffffffLL-1)       /* min signed quad */
  75
  76 #endif /* _NETBSD_SOURCE */
  77 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
  78
  79 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
  80 #define LONG_BIT        32
  81 #define WORD_BIT        32
  82
  83 #define DBL_DIG         __DBL_DIG__
  84 #define DBL_MAX         __DBL_MAX__
  85 #define DBL_MIN         __DBL_MIN__
  86
  87 #define FLT_DIG         __FLT_DIG__
  88 #define FLT_MAX         __FLT_MAX__
  89 #define FLT_MIN         __FLT_MIN__
  90 #endif
  91
  92 #endif /* _I386_LIMITS_H_ */