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FreeBSD/Linux Kernel Cross Reference
sys/sys/limits.h

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    1 /*
    2  * Copyright (c) 1988, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by the University of
   16  *      California, Berkeley and its contributors.
   17  * 4. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  * $FreeBSD: src/sys/sys/limits.h,v 1.5 2003/05/19 20:29:07 kan Exp $
   34  */
   35 
   36 #ifndef _SYS_LIMITS_H_
   37 #define _SYS_LIMITS_H_
   38 
   39 #include <sys/cdefs.h>
   40 #include <machine/_limits.h>
   41 
   42 #define CHAR_BIT        __CHAR_BIT      /* number of bits in a char */
   43 
   44 #define SCHAR_MAX       __SCHAR_MAX     /* max value for a signed char */
   45 #define SCHAR_MIN       __SCHAR_MIN     /* min value for a signed char */
   46 
   47 #define UCHAR_MAX       __UCHAR_MAX     /* max value for an unsigned char */
   48 
   49 #ifdef __CHAR_UNSIGNED__
   50 #define CHAR_MAX        UCHAR_MAX       /* max value for a char */
   51 #define CHAR_MIN        0               /* min value for a char */
   52 #else
   53 #define CHAR_MAX        SCHAR_MAX
   54 #define CHAR_MIN        SCHAR_MIN
   55 #endif
   56 
   57 #define USHRT_MAX       __USHRT_MAX     /* max value for an unsigned short */
   58 #define SHRT_MAX        __SHRT_MAX      /* max value for a short */
   59 #define SHRT_MIN        __SHRT_MIN      /* min value for a short */
   60 
   61 #define UINT_MAX        __UINT_MAX      /* max value for an unsigned int */
   62 #define INT_MAX         __INT_MAX       /* max value for an int */
   63 #define INT_MIN         __INT_MIN       /* min value for an int */
   64 
   65 #define ULONG_MAX       __ULONG_MAX     /* max for an unsigned long */
   66 #define LONG_MAX        __LONG_MAX      /* max for a long */
   67 #define LONG_MIN        __LONG_MIN      /* min for a long */
   68 
   69 #ifdef __LONG_LONG_SUPPORTED
   70 #define ULLONG_MAX      __ULLONG_MAX    /* max for an unsigned long long */
   71 #define LLONG_MAX       __LLONG_MAX     /* max for a long long */
   72 #define LLONG_MIN       __LLONG_MIN     /* min for a long long */
   73 #endif
   74 
   75 #if __POSIX_VISIBLE || __XSI_VISIBLE
   76 #define SSIZE_MAX       __SSIZE_MAX     /* max value for an ssize_t */
   77 #endif
   78 
   79 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
   80 #define SIZE_T_MAX      __SIZE_T_MAX    /* max value for a size_t */
   81 
   82 #define OFF_MAX         __OFF_MAX       /* max value for an off_t */
   83 #define OFF_MIN         __OFF_MIN       /* min value for an off_t */
   84 #endif
   85 
   86 #if __BSD_VISIBLE
   87 #define UQUAD_MAX       (__UQUAD_MAX)   /* max value for a uquad_t */
   88 #define QUAD_MAX        (__QUAD_MAX)    /* max value for a quad_t */
   89 #define QUAD_MIN        (__QUAD_MIN)    /* min value for a quad_t */
   90 #endif
   91 
   92 #if __XSI_VISIBLE
   93 #define LONG_BIT        __LONG_BIT
   94 #define WORD_BIT        __WORD_BIT
   95 #endif
   96 
   97 #endif /* !_SYS_LIMITS_H_ */

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