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limits.h revision 1.12
      1  1.12     bjh21 /*	$NetBSD: limits.h,v 1.12 2003/04/28 23:16:25 bjh21 Exp $	*/
      2   1.3       cgd 
      3   1.1     ragge /*
      4   1.1     ragge  * Copyright (c) 1988 The Regents of the University of California.
      5   1.1     ragge  * All rights reserved.
      6   1.1     ragge  *
      7   1.1     ragge  * Redistribution and use in source and binary forms, with or without
      8   1.1     ragge  * modification, are permitted provided that the following conditions
      9   1.1     ragge  * are met:
     10   1.1     ragge  * 1. Redistributions of source code must retain the above copyright
     11   1.1     ragge  *    notice, this list of conditions and the following disclaimer.
     12   1.1     ragge  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1     ragge  *    notice, this list of conditions and the following disclaimer in the
     14   1.1     ragge  *    documentation and/or other materials provided with the distribution.
     15   1.1     ragge  * 3. All advertising materials mentioning features or use of this software
     16   1.1     ragge  *    must display the following acknowledgement:
     17   1.1     ragge  *      This product includes software developed by the University of
     18   1.1     ragge  *      California, Berkeley and its contributors.
     19   1.1     ragge  * 4. Neither the name of the University nor the names of its contributors
     20   1.1     ragge  *    may be used to endorse or promote products derived from this software
     21   1.1     ragge  *    without specific prior written permission.
     22   1.1     ragge  *
     23   1.1     ragge  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24   1.1     ragge  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25   1.1     ragge  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26   1.1     ragge  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27   1.1     ragge  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28   1.1     ragge  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29   1.1     ragge  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30   1.1     ragge  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31   1.1     ragge  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32   1.1     ragge  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33   1.1     ragge  * SUCH DAMAGE.
     34   1.1     ragge  *
     35   1.3       cgd  *      @(#)limits.h    7.2 (Berkeley) 6/28/90
     36   1.1     ragge  */
     37   1.1     ragge 
     38   1.7     perry #ifndef	_MACHINE_LIMITS_H_
     39   1.7     perry #define	_MACHINE_LIMITS_H_
     40   1.7     perry 
     41  1.12     bjh21 #include <sys/featuretest.h>
     42  1.12     bjh21 
     43   1.1     ragge #define CHAR_BIT        8               /* number of bits in a char */
     44  1.10  tshiozak #define MB_LEN_MAX      32              /* no multibyte characters */
     45   1.1     ragge 
     46   1.6     ragge #define SCHAR_MAX       0x7f            /* max value for a signed char */
     47   1.5     ragge #define SCHAR_MIN       (-0x7f-1)       /* min value for a signed char */
     48   1.1     ragge 
     49   1.6     ragge #define UCHAR_MAX       0xffU           /* max value for an unsigned char */
     50   1.1     ragge #define CHAR_MAX        0x7f            /* max value for a char */
     51   1.5     ragge #define CHAR_MIN        (-0x7f-1)       /* min value for a char */
     52   1.1     ragge 
     53   1.6     ragge #define USHRT_MAX       0xffffU         /* max value for an unsigned short */
     54   1.1     ragge #define SHRT_MAX        0x7fff          /* max value for a short */
     55   1.5     ragge #define SHRT_MIN        (-0x7fff-1)     /* min value for a short */
     56   1.1     ragge 
     57   1.5     ragge #define UINT_MAX        0xffffffffU     /* max value for an unsigned int */
     58   1.1     ragge #define INT_MAX         0x7fffffff      /* max value for an int */
     59   1.5     ragge #define INT_MIN         (-0x7fffffff-1) /* min value for an int */
     60   1.1     ragge 
     61   1.5     ragge #define ULONG_MAX       0xffffffffUL    /* max value for an unsigned long */
     62   1.5     ragge #define LONG_MAX        0x7fffffffL     /* max value for a long */
     63   1.5     ragge #define LONG_MIN        (-0x7fffffffL-1)/* min value for a long */
     64   1.4     ragge 
     65  1.12     bjh21 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
     66  1.12     bjh21     defined(_NETBSD_SOURCE)
     67  1.11    kleink #ifdef __ELF__
     68  1.11    kleink #define SSIZE_MAX       LONG_MAX        /* max value for a ssize_t */
     69  1.11    kleink #else
     70   1.4     ragge #define SSIZE_MAX       INT_MAX         /* max value for a ssize_t */
     71  1.11    kleink #endif
     72   1.9    kleink 
     73  1.12     bjh21 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
     74  1.12     bjh21     defined(_NETBSD_SOURCE)
     75   1.9    kleink #define	ULLONG_MAX	0xffffffffffffffffULL	/* max unsigned long long */
     76   1.9    kleink #define	LLONG_MAX	0x7fffffffffffffffLL	/* max signed long long */
     77   1.9    kleink #define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min signed long long */
     78   1.9    kleink #endif
     79   1.4     ragge 
     80  1.12     bjh21 #if defined(_NETBSD_SOURCE)
     81  1.11    kleink #ifdef __ELF__
     82  1.11    kleink #define SIZE_T_MAX      ULONG_MAX       /* max value for a size_t */
     83  1.11    kleink #else
     84   1.4     ragge #define SIZE_T_MAX      UINT_MAX        /* max value for a size_t */
     85  1.11    kleink #endif
     86   1.4     ragge 
     87   1.4     ragge #define UQUAD_MAX       0xffffffffffffffffULL           /* max unsigned quad */
     88   1.4     ragge #define QUAD_MAX        0x7fffffffffffffffLL            /* max signed quad */
     89   1.4     ragge #define QUAD_MIN        (-0x7fffffffffffffffLL-1)       /* min signed quad */
     90   1.4     ragge 
     91  1.12     bjh21 #endif /* _NETBSD_SOURCE */
     92  1.12     bjh21 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
     93   1.2       jtc 
     94  1.12     bjh21 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
     95   1.2       jtc #define LONG_BIT	32
     96   1.2       jtc #define WORD_BIT	32
     97   1.2       jtc 
     98   1.2       jtc #define DBL_DIG         16
     99   1.2       jtc #define DBL_MAX         1.701411834604692294E+38
    100   1.2       jtc #define DBL_MIN         2.938735877055718770E-39
    101   1.2       jtc 
    102   1.2       jtc #define FLT_DIG         6
    103   1.2       jtc #define FLT_MAX         1.70141173E+38F
    104   1.2       jtc #define FLT_MIN         2.93873588E-39F
    105   1.2       jtc #endif
    106   1.7     perry 
    107   1.7     perry #endif /* _MACHINE_LIMITS_H_ */
    108