1 /* $NetBSD: common_int_limits.h,v 1.1 2014/07/25 21:43:13 joerg Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Joerg Sonnenberger. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _SYS_COMMON_INT_LIMITS_H_ 33 #define _SYS_COMMON_INT_LIMITS_H_ 34 35 #ifndef __SIG_ATOMIC_MAX__ 36 #error Your compiler does not provide limit macros. 37 #endif 38 39 /* 40 * 7.18.2 Limits of specified-width integer types 41 */ 42 43 /* 7.18.2.1 Limits of exact-width integer types */ 44 45 /* minimum values of exact-width signed integer types */ 46 #define INT8_MIN (-__INT8_MAX__-1) 47 #define INT16_MIN (-__INT16_MAX__-1) 48 #define INT32_MIN (-__INT32_MAX__-1) 49 #define INT64_MIN (-__INT64_MAX__-1) 50 51 /* maximum values of exact-width signed integer types */ 52 #define INT8_MAX __INT8_MAX__ 53 #define INT16_MAX __INT16_MAX__ 54 #define INT32_MAX __INT32_MAX__ 55 #define INT64_MAX __INT64_MAX__ 56 57 /* maximum values of exact-width unsigned integer types */ 58 #define UINT8_MAX __UINT8_MAX__ 59 #define UINT16_MAX __UINT16_MAX__ 60 #define UINT32_MAX __UINT32_MAX__ 61 #define UINT64_MAX __UINT64_MAX__ 62 63 /* 7.18.2.2 Limits of minimum-width integer types */ 64 65 /* minimum values of minimum-width signed integer types */ 66 #define INT_LEAST8_MIN (-__INT_LEAST8_MAX__-1) 67 #define INT_LEAST16_MIN (-__INT_LEAST16_MAX__-1) 68 #define INT_LEAST32_MIN (-__INT_LEAST32_MAX__-1) 69 #define INT_LEAST64_MIN (-__INT_LEAST64_MAX__-1) 70 71 /* maximum values of minimum-width signed integer types */ 72 #define INT_LEAST8_MAX __INT_LEAST8_MAX__ 73 #define INT_LEAST16_MAX __INT_LEAST16_MAX__ 74 #define INT_LEAST32_MAX __INT_LEAST32_MAX__ 75 #define INT_LEAST64_MAX __INT_LEAST64_MAX__ 76 77 /* maximum values of minimum-width unsigned integer types */ 78 #define UINT_LEAST8_MAX __UINT_LEAST8_MAX__ 79 #define UINT_LEAST16_MAX __UINT_LEAST16_MAX__ 80 #define UINT_LEAST32_MAX __UINT_LEAST32_MAX__ 81 #define UINT_LEAST64_MAX __UINT_LEAST64_MAX__ 82 83 /* 7.18.2.3 Limits of fastest minimum-width integer types */ 84 85 /* minimum values of fastest minimum-width signed integer types */ 86 #define INT_FAST8_MIN (-__INT_FAST8_MAX__-1) 87 #define INT_FAST16_MIN (-__INT_FAST16_MAX__-1) 88 #define INT_FAST32_MIN (-__INT_FAST32_MAX__-1) 89 #define INT_FAST64_MIN (-__INT_FAST64_MAX__-1) 90 91 /* maximum values of fastest minimum-width signed integer types */ 92 #define INT_FAST8_MAX __INT_FAST8_MAX__ 93 #define INT_FAST16_MAX __INT_FAST16_MAX__ 94 #define INT_FAST32_MAX __INT_FAST32_MAX__ 95 #define INT_FAST64_MAX __INT_FAST64_MAX__ 96 97 /* maximum values of fastest minimum-width unsigned integer types */ 98 #define UINT_FAST8_MAX __UINT_FAST8_MAX__ 99 #define UINT_FAST16_MAX __UINT_FAST16_MAX__ 100 #define UINT_FAST32_MAX __UINT_FAST32_MAX__ 101 #define UINT_FAST64_MAX __UINT_FAST64_MAX__ 102 103 /* 7.18.2.4 Limits of integer types capable of holding object pointers */ 104 #define INTPTR_MIN (-__INTPTR_MAX__-1) 105 #define INTPTR_MAX __INTPTR_MAX__ 106 #define UINTPTR_MAX __UINTPTR_MAX__ 107 108 /* 7.18.2.5 Limits of greatest-width integer types */ 109 110 #define INTMAX_MIN (-__INTMAX_MAX__-1) 111 #define INTMAX_MAX __INTMAX_MAX__ 112 #define UINTMAX_MAX __UINTMAX_MAX__ 113 114 115 /* 116 * 7.18.3 Limits of other integer types 117 */ 118 119 /* limits of ptrdiff_t */ 120 #define PTRDIFF_MIN (-__PTRDIFF_MAX__-1) 121 #define PTRDIFF_MAX __PTRDIFF_MAX__ 122 123 /* limits of sig_atomic_t */ 124 #define SIG_ATOMIC_MIN (-__SIG_ATOMIC_MAX__-1) 125 #define SIG_ATOMIC_MAX __SIG_ATOMIC_MAX__ 126 127 /* limit of size_t */ 128 #define SIZE_MAX __SIZE_MAX__ 129 130 #endif /* _SYS_COMMON_INT_LIMITS_H_ */ 131