StdLib/Include/Aarch64/machine/limits.h

   1 /*      $NetBSD: limits.h,v 1.9 2008/08/29 19:08:29 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  *      from: @(#)limits.h      7.2 (Berkeley) 6/28/90
  32  */
  33
  34 //TODO These values have been chosen during porting with the selection criteria
  35 //of being different from ARMv7 in the hope of discovering as many bugs as
  36 //possible as soon as possible. They are NOT authoritative!
  37 // ... (and should be replaced ASAP with more carefully chosen ones)
  38
  39 #ifndef _AARCH64_LIMITS_H_
  40 #define _AARCH64_LIMITS_H_
  41
  42 #include <sys/featuretest.h>
  43
  44 #define __CHAR_BIT        8               /* number of bits in a char */
  45 //#define __MB_LEN_MAX      32              /* no multibyte characters */
  46
  47 #define __SCHAR_MIN       (-0x7f-1)       /* max value for a signed char */
  48 #define __SCHAR_MAX       0x7f            /* min value for a signed char */
  49
  50 #define __UCHAR_MAX       0xff            /* max value for an unsigned char */
  51 #define __CHAR_MAX        0xff            /* max value for a char */
  52 #define __CHAR_MIN        0               /* min value for a char */
  53
  54 #define __USHRT_MAX       0xffff          /* max value for an unsigned short */
  55 #define __SHRT_MAX        0x7fff          /* max value for a short */
  56 #define __SHRT_MIN        (-0x7fff-1)     /* min value for a short */
  57
  58 #define __UINT_MAX        0xffffffffU     /* max value for an unsigned int */
  59 #define __INT_MAX         0x7fffffff      /* max value for an int */
  60 #define __INT_MIN         (-0x7fffffff-1) /* min value for an int */
  61
  62 #define __ULONG_MAX       0xffffffffffffffffUL    /* max value for an unsigned long */
  63 #define __LONG_MAX        0x7fffffffffffffffL     /* max value for a long */
  64 #define __LONG_MIN        (-0x7fffffffffffffffL-1)        /* min value for a long */
  65
  66 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
  67     defined(_NETBSD_SOURCE)
  68 #define SSIZE_MAX         LONG_MAX        /* max value for a ssize_t */
  69
  70 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
  71     defined(_NETBSD_SOURCE)
  72 #define __ULLONG_MAX      0xffffffffffffffffULL   /* max unsigned long long */
  73 #define __LLONG_MAX       0x7fffffffffffffffLL    /* max signed long long */
  74 #define __LLONG_MIN       (-0x7fffffffffffffffLL-1) /* min signed long long */
  75 #endif
  76
  77 #if defined(_NETBSD_SOURCE)
  78 #define SIZE_T_MAX      LONG_MAX        /* max value for a size_t */
  79
  80 #define UQUAD_MAX       0xffffffffffffffffLL            /* max unsigned quad */
  81 #define QUAD_MAX        0x7fffffffffffffffLL            /* max signed quad */
  82 #define QUAD_MIN        (-0x7fffffffffffffffLL-1)       /* min signed quad */
  83
  84 #endif /* _NETBSD_SOURCE */
  85 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
  86
  87 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
  88 #define LONG_BIT        64
  89 #define WORD_BIT        32
  90
  91 #define DBL_DIG         15
  92 #define DBL_MAX         1.7976931348623157E+308
  93 #define DBL_MIN         2.2250738585072014E-308
  94
  95 //#define FLT_DIG         6
  96 //#define FLT_MAX         3.40282347E+38F
  97 //#define FLT_MIN         1.17549435E-38F
  98 #endif
  99
 100 #endif  /* _AARCH64_LIMITS_H_ */