1 /* $NetBSD: limits.h,v 1.8 2001/05/04 15:12:32 simonb Exp $ */ 2 3 /*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 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 TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _MACHINE_LIMITS_H_ 35 #define _MACHINE_LIMITS_H_ 36 37 #define CHAR_BIT 8 /* bits per char */ 38 #define MB_LEN_MAX 32 /* no multibyte characters */ 39 #define CHAR_MIN 0 /* min value in char */ 40 #define CHAR_MAX 0xff /* max value in char */ 41 #define UCHAR_MAX 0xffU /* max value in unsigned char */ 42 #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 43 #define SCHAR_MAX 0x7f /* max value for a signed char */ 44 45 #define SHRT_MIN (-0x7fff-1) /* min value in short */ 46 #define SHRT_MAX 0x7fff /* max value in short */ 47 #define USHRT_MAX 0xffffU /* max value in unsigned short */ 48 49 #define INT_MIN (-0x7fffffff-1) /* min value in int */ 50 #define INT_MAX 0x7fffffff /* max value in int */ 51 #define UINT_MAX 0xffffffffU /* max value in unsigned int */ 52 53 #define LONG_MIN (-0x7fffffffL-1) /* min value in long */ 54 #define LONG_MAX 0x7fffffffL /* max value in long */ 55 #define ULONG_MAX 0xffffffffUL /* max value in unsigned long */ 56 57 #if !defined(_ANSI_SOURCE) 58 #define SSIZE_MAX INT_MAX /* max value for a ssize_t */ 59 60 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \ 61 defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L 62 #define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */ 63 #define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */ 64 #define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */ 65 #endif 66 67 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) 68 #define SIZE_T_MAX UINT_MAX /* max value for a size_t */ 69 70 #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */ 71 #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */ 72 #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */ 73 74 #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */ 75 #endif /* !_ANSI_SOURCE */ 76 77 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \ 78 defined(_XOPEN_SOURCE) 79 #define LONG_BIT 32 80 #define WORD_BIT 32 81 82 #define DBL_DIG 15 83 #define DBL_MAX 1.7976931348623157E+308 84 #define DBL_MIN 2.2250738585072014E-308 85 86 #define FLT_DIG 6 87 #define FLT_MAX 3.40282347E+38F 88 #define FLT_MIN 1.17549435E-38F 89 #endif 90 91 #endif /* _MACHINE_LIMITS_H_ */ 92