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limits.h revision 1.4
      1 /*	$NetBSD: limits.h,v 1.4 1995/04/16 20:10:33 ragge 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by the University of
     18  *      California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *      @(#)limits.h    7.2 (Berkeley) 6/28/90
     36  */
     37 
     38 #define CHAR_BIT        8               /* number of bits in a char */
     39 /* #define CLK_TCK         60              /* ticks per second */
     40 #define MB_LEN_MAX      1               /* no multibyte characters */
     41 
     42 #define SCHAR_MIN       0x80            /* max value for a signed char */
     43 #define SCHAR_MAX       0x7f            /* min value for a signed char */
     44 
     45 #define UCHAR_MAX       0xff            /* max value for an unsigned char */
     46 #define CHAR_MAX        0x7f            /* max value for a char */
     47 #define CHAR_MIN        0x80            /* min value for a char */
     48 
     49 #define USHRT_MAX       0xffff          /* max value for an unsigned short */
     50 #define SHRT_MAX        0x7fff          /* max value for a short */
     51 #define SHRT_MIN        0x8000          /* min value for a short */
     52 
     53 #define UINT_MAX        0xffffffff      /* max value for an unsigned int */
     54 #define INT_MAX         0x7fffffff      /* max value for an int */
     55 #define INT_MIN         0x80000000      /* min value for an int */
     56 
     57 #define ULONG_MAX       0xffffffff      /* max value for an unsigned long */
     58 #define LONG_MAX        0x7fffffff      /* max value for a long */
     59 #define LONG_MIN        0x80000000      /* min value for a long */
     60 
     61 #if !defined(_ANSI_SOURCE)
     62 #define SSIZE_MAX       INT_MAX         /* max value for a ssize_t */
     63 
     64 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
     65 #define SIZE_T_MAX      UINT_MAX        /* max value for a size_t */
     66 
     67 #define UQUAD_MAX       0xffffffffffffffffULL           /* max unsigned quad */
     68 #define QUAD_MAX        0x7fffffffffffffffLL            /* max signed quad */
     69 #define QUAD_MIN        (-0x7fffffffffffffffLL-1)       /* min signed quad */
     70 
     71 #endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */
     72 #endif /* !_ANSI_SOURCE */
     73 
     74 #if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE)
     75 #define LONG_BIT	32
     76 #define WORD_BIT	32
     77 
     78 #define DBL_DIG         16
     79 #define DBL_MAX         1.701411834604692294E+38
     80 #define DBL_MIN         2.938735877055718770E-39
     81 
     82 #define FLT_DIG         6
     83 #define FLT_MAX         1.70141173E+38F
     84 #define FLT_MIN         2.93873588E-39F
     85 #endif
     86