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limits.h revision 1.12.2.3
      1  1.12.2.3     skrll /*	$NetBSD: limits.h,v 1.12.2.3 2004/09/21 13:23:43 skrll 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  1.12.2.1     skrll  * 3. Neither the name of the University nor the names of its contributors
     16       1.1     ragge  *    may be used to endorse or promote products derived from this software
     17       1.1     ragge  *    without specific prior written permission.
     18       1.1     ragge  *
     19       1.1     ragge  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20       1.1     ragge  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21       1.1     ragge  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22       1.1     ragge  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23       1.1     ragge  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24       1.1     ragge  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25       1.1     ragge  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26       1.1     ragge  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27       1.1     ragge  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28       1.1     ragge  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29       1.1     ragge  * SUCH DAMAGE.
     30       1.1     ragge  *
     31       1.3       cgd  *      @(#)limits.h    7.2 (Berkeley) 6/28/90
     32       1.1     ragge  */
     33       1.1     ragge 
     34       1.7     perry #ifndef	_MACHINE_LIMITS_H_
     35       1.7     perry #define	_MACHINE_LIMITS_H_
     36       1.7     perry 
     37      1.12     bjh21 #include <sys/featuretest.h>
     38      1.12     bjh21 
     39       1.1     ragge #define CHAR_BIT        8               /* number of bits in a char */
     40      1.10  tshiozak #define MB_LEN_MAX      32              /* no multibyte characters */
     41       1.1     ragge 
     42       1.6     ragge #define SCHAR_MAX       0x7f            /* max value for a signed char */
     43       1.5     ragge #define SCHAR_MIN       (-0x7f-1)       /* min value for a signed char */
     44       1.1     ragge 
     45       1.6     ragge #define UCHAR_MAX       0xffU           /* max value for an unsigned char */
     46       1.1     ragge #define CHAR_MAX        0x7f            /* max value for a char */
     47       1.5     ragge #define CHAR_MIN        (-0x7f-1)       /* min value for a char */
     48       1.1     ragge 
     49       1.6     ragge #define USHRT_MAX       0xffffU         /* max value for an unsigned short */
     50       1.1     ragge #define SHRT_MAX        0x7fff          /* max value for a short */
     51       1.5     ragge #define SHRT_MIN        (-0x7fff-1)     /* min value for a short */
     52       1.1     ragge 
     53       1.5     ragge #define UINT_MAX        0xffffffffU     /* max value for an unsigned int */
     54       1.1     ragge #define INT_MAX         0x7fffffff      /* max value for an int */
     55       1.5     ragge #define INT_MIN         (-0x7fffffff-1) /* min value for an int */
     56       1.1     ragge 
     57       1.5     ragge #define ULONG_MAX       0xffffffffUL    /* max value for an unsigned long */
     58       1.5     ragge #define LONG_MAX        0x7fffffffL     /* max value for a long */
     59       1.5     ragge #define LONG_MIN        (-0x7fffffffL-1)/* min value for a long */
     60       1.4     ragge 
     61      1.12     bjh21 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
     62      1.12     bjh21     defined(_NETBSD_SOURCE)
     63      1.11    kleink #ifdef __ELF__
     64      1.11    kleink #define SSIZE_MAX       LONG_MAX        /* max value for a ssize_t */
     65      1.11    kleink #else
     66       1.4     ragge #define SSIZE_MAX       INT_MAX         /* max value for a ssize_t */
     67      1.11    kleink #endif
     68       1.9    kleink 
     69      1.12     bjh21 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
     70      1.12     bjh21     defined(_NETBSD_SOURCE)
     71       1.9    kleink #define	ULLONG_MAX	0xffffffffffffffffULL	/* max unsigned long long */
     72       1.9    kleink #define	LLONG_MAX	0x7fffffffffffffffLL	/* max signed long long */
     73       1.9    kleink #define	LLONG_MIN	(-0x7fffffffffffffffLL-1) /* min signed long long */
     74       1.9    kleink #endif
     75       1.4     ragge 
     76      1.12     bjh21 #if defined(_NETBSD_SOURCE)
     77      1.11    kleink #ifdef __ELF__
     78      1.11    kleink #define SIZE_T_MAX      ULONG_MAX       /* max value for a size_t */
     79      1.11    kleink #else
     80       1.4     ragge #define SIZE_T_MAX      UINT_MAX        /* max value for a size_t */
     81      1.11    kleink #endif
     82       1.4     ragge 
     83       1.4     ragge #define UQUAD_MAX       0xffffffffffffffffULL           /* max unsigned quad */
     84       1.4     ragge #define QUAD_MAX        0x7fffffffffffffffLL            /* max signed quad */
     85       1.4     ragge #define QUAD_MIN        (-0x7fffffffffffffffLL-1)       /* min signed quad */
     86       1.4     ragge 
     87      1.12     bjh21 #endif /* _NETBSD_SOURCE */
     88      1.12     bjh21 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
     89       1.2       jtc 
     90      1.12     bjh21 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
     91       1.2       jtc #define LONG_BIT	32
     92       1.2       jtc #define WORD_BIT	32
     93       1.2       jtc 
     94       1.2       jtc #define DBL_DIG         16
     95       1.2       jtc #define DBL_MAX         1.701411834604692294E+38
     96       1.2       jtc #define DBL_MIN         2.938735877055718770E-39
     97       1.2       jtc 
     98       1.2       jtc #define FLT_DIG         6
     99       1.2       jtc #define FLT_MAX         1.70141173E+38F
    100       1.2       jtc #define FLT_MIN         2.93873588E-39F
    101       1.2       jtc #endif
    102       1.7     perry 
    103       1.7     perry #endif /* _MACHINE_LIMITS_H_ */
    104