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limits.h revision 1.14.44.1
      1  1.14.44.1     skrll /*	$NetBSD: limits.h,v 1.14.44.1 2007/09/03 10:19:40 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       1.13       agc  * 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  1.14.44.1     skrll #define UCHAR_MAX       0xff           /* 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  1.14.44.1     skrll #define USHRT_MAX       0xffff         /* 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