1 /* $OpenBSD: limits.h,v 1.6 2000/08/05 22:07:31 niklas Exp $ */ 2 /* $NetBSD: limits.h,v 1.11 1995/12/21 01:08:59 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1988 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)limits.h 7.2 (Berkeley) 6/28/90 37 */ 38 39 #ifndef _MACHINE_LIMITS_H_ 40 #define _MACHINE_LIMITS_H_ 41 42 #define CHAR_BIT 8 /* number of bits in a char */ 43 #define MB_LEN_MAX 1 /* no multibyte characters */ 44 45 #define SCHAR_MAX 0x7f /* max value for a signed char */ 46 #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 47 48 #define UCHAR_MAX 0xffU /* max value for an unsigned char */ 49 #define CHAR_MAX 0x7f /* max value for a char */ 50 #define CHAR_MIN (-0x7f-1) /* min value for a char */ 51 52 #define USHRT_MAX 0xffffU /* max value for an unsigned short */ 53 #define SHRT_MAX 0x7fff /* max value for a short */ 54 #define SHRT_MIN (-0x7fff-1) /* min value for a short */ 55 56 #define UINT_MAX 0xffffffffU /* max value for an unsigned int */ 57 #define INT_MAX 0x7fffffff /* max value for an int */ 58 #define INT_MIN (-0x7fffffff-1) /* min value for an int */ 59 60 #define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ 61 #define LONG_MAX 0x7fffffffL /* max value for a long */ 62 #define LONG_MIN (-0x7fffffffL-1) /* min value for a long */ 63 64 #if !defined(_ANSI_SOURCE) 65 #define SSIZE_MAX INT_MAX /* max value for a ssize_t */ 66 67 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 68 #define SIZE_T_MAX UINT_MAX /* max value for a size_t */ 69 70 #define UID_MAX UINT_MAX /* max value for a uid_t */ 71 #define GID_MAX UINT_MAX /* max value for a gid_t */ 72 73 #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ 74 #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ 75 #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ 76 #define ULLONG_MAX (UQUAD_MAX) /* max value for unsigned long long */ 77 #define LLONG_MAX (QUAD_MAX) /* max value for a signed long long */ 78 #define LLONG_MIN (QUAD_MIN) /* min value for a signed long long */ 79 80 #endif /* !_POSIX_SOURCE && !_XOPEN_SOURCE */ 81 #endif /* !_ANSI_SOURCE */ 82 83 #if (!defined(_ANSI_SOURCE)&&!defined(_POSIX_SOURCE)) || defined(_XOPEN_SOURCE) 84 #define LONG_BIT 32 85 #define WORD_BIT 32 86 87 #define DBL_DIG 15 88 #define DBL_MAX 1.7976931348623157E+308 89 #define DBL_MIN 2.2250738585072014E-308 90 91 #define FLT_DIG 6 92 #define FLT_MAX 3.40282347E+38F 93 #define FLT_MIN 1.17549435E-38F 94 #endif 95 96 #endif /* _MACHINE_LIMITS_H_ */ 97