| 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 | |