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      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_ */
    101