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 | |