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1 | 13 | up20180614 | /* $NetBSD: common_int_limits.h,v 1.1 2014/07/25 21:43:13 joerg Exp $ */
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2 | |||
3 | /*-
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4 | * Copyright (c) 2014 The NetBSD Foundation, Inc.
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5 | * All rights reserved.
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6 | *
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7 | * This code is derived from software contributed to The NetBSD Foundation
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8 | * by Joerg Sonnenberger.
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9 | *
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10 | * Redistribution and use in source and binary forms, with or without
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11 | * modification, are permitted provided that the following conditions
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12 | * are met:
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13 | * 1. Redistributions of source code must retain the above copyright
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14 | * notice, this list of conditions and the following disclaimer.
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15 | * 2. Redistributions in binary form must reproduce the above copyright
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16 | * notice, this list of conditions and the following disclaimer in the
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17 | * documentation and/or other materials provided with the distribution.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | * POSSIBILITY OF SUCH DAMAGE.
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30 | */
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31 | |||
32 | #ifndef _SYS_COMMON_INT_LIMITS_H_
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33 | #define _SYS_COMMON_INT_LIMITS_H_
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34 | |||
35 | #ifndef __SIG_ATOMIC_MAX__
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36 | #error Your compiler does not provide limit macros.
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37 | #endif
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38 | |||
39 | /*
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40 | * 7.18.2 Limits of specified-width integer types
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41 | */
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42 | |||
43 | /* 7.18.2.1 Limits of exact-width integer types */
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44 | |||
45 | /* minimum values of exact-width signed integer types */
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46 | #define INT8_MIN (-__INT8_MAX__-1) |
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47 | #define INT16_MIN (-__INT16_MAX__-1) |
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48 | #define INT32_MIN (-__INT32_MAX__-1) |
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49 | #define INT64_MIN (-__INT64_MAX__-1) |
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50 | |||
51 | /* maximum values of exact-width signed integer types */
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52 | #define INT8_MAX __INT8_MAX__
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53 | #define INT16_MAX __INT16_MAX__
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54 | #define INT32_MAX __INT32_MAX__
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55 | #define INT64_MAX __INT64_MAX__
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56 | |||
57 | /* maximum values of exact-width unsigned integer types */
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58 | #define UINT8_MAX __UINT8_MAX__
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59 | #define UINT16_MAX __UINT16_MAX__
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60 | #define UINT32_MAX __UINT32_MAX__
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61 | #define UINT64_MAX __UINT64_MAX__
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62 | |||
63 | /* 7.18.2.2 Limits of minimum-width integer types */
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64 | |||
65 | /* minimum values of minimum-width signed integer types */
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66 | #define INT_LEAST8_MIN (-__INT_LEAST8_MAX__-1) |
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67 | #define INT_LEAST16_MIN (-__INT_LEAST16_MAX__-1) |
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68 | #define INT_LEAST32_MIN (-__INT_LEAST32_MAX__-1) |
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69 | #define INT_LEAST64_MIN (-__INT_LEAST64_MAX__-1) |
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70 | |||
71 | /* maximum values of minimum-width signed integer types */
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72 | #define INT_LEAST8_MAX __INT_LEAST8_MAX__
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73 | #define INT_LEAST16_MAX __INT_LEAST16_MAX__
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74 | #define INT_LEAST32_MAX __INT_LEAST32_MAX__
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75 | #define INT_LEAST64_MAX __INT_LEAST64_MAX__
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76 | |||
77 | /* maximum values of minimum-width unsigned integer types */
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78 | #define UINT_LEAST8_MAX __UINT_LEAST8_MAX__
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79 | #define UINT_LEAST16_MAX __UINT_LEAST16_MAX__
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80 | #define UINT_LEAST32_MAX __UINT_LEAST32_MAX__
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81 | #define UINT_LEAST64_MAX __UINT_LEAST64_MAX__
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82 | |||
83 | /* 7.18.2.3 Limits of fastest minimum-width integer types */
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84 | |||
85 | /* minimum values of fastest minimum-width signed integer types */
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86 | #define INT_FAST8_MIN (-__INT_FAST8_MAX__-1) |
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87 | #define INT_FAST16_MIN (-__INT_FAST16_MAX__-1) |
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88 | #define INT_FAST32_MIN (-__INT_FAST32_MAX__-1) |
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89 | #define INT_FAST64_MIN (-__INT_FAST64_MAX__-1) |
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90 | |||
91 | /* maximum values of fastest minimum-width signed integer types */
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92 | #define INT_FAST8_MAX __INT_FAST8_MAX__
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93 | #define INT_FAST16_MAX __INT_FAST16_MAX__
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94 | #define INT_FAST32_MAX __INT_FAST32_MAX__
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95 | #define INT_FAST64_MAX __INT_FAST64_MAX__
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96 | |||
97 | /* maximum values of fastest minimum-width unsigned integer types */
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98 | #define UINT_FAST8_MAX __UINT_FAST8_MAX__
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99 | #define UINT_FAST16_MAX __UINT_FAST16_MAX__
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100 | #define UINT_FAST32_MAX __UINT_FAST32_MAX__
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101 | #define UINT_FAST64_MAX __UINT_FAST64_MAX__
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102 | |||
103 | /* 7.18.2.4 Limits of integer types capable of holding object pointers */
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104 | #define INTPTR_MIN (-__INTPTR_MAX__-1) |
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105 | #define INTPTR_MAX __INTPTR_MAX__
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106 | #define UINTPTR_MAX __UINTPTR_MAX__
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107 | |||
108 | /* 7.18.2.5 Limits of greatest-width integer types */
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109 | |||
110 | #define INTMAX_MIN (-__INTMAX_MAX__-1) |
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111 | #define INTMAX_MAX __INTMAX_MAX__
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112 | #define UINTMAX_MAX __UINTMAX_MAX__
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113 | |||
114 | |||
115 | /*
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116 | * 7.18.3 Limits of other integer types
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117 | */
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118 | |||
119 | /* limits of ptrdiff_t */
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120 | #define PTRDIFF_MIN (-__PTRDIFF_MAX__-1) |
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121 | #define PTRDIFF_MAX __PTRDIFF_MAX__
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122 | |||
123 | /* limits of sig_atomic_t */
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124 | #define SIG_ATOMIC_MIN (-__SIG_ATOMIC_MAX__-1) |
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125 | #define SIG_ATOMIC_MAX __SIG_ATOMIC_MAX__
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126 | |||
127 | /* limit of size_t */
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128 | #define SIZE_MAX __SIZE_MAX__
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129 | |||
130 | #endif /* _SYS_COMMON_INT_LIMITS_H_ */ |