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1 | 13 | up20180614 | /* $NetBSD: common_limits.h,v 1.2 2014/08/19 15:46:46 matt 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 Matt Thomas of 3am Software Foundry.
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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_LIMITS_H_
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33 | #define _SYS_COMMON_LIMITS_H_
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34 | |||
35 | #define CHAR_BIT __CHAR_BIT__ /* number of bits in a char */ |
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36 | |||
37 | #define SCHAR_MIN (-__SCHAR_MAX__-1) /* min value for a signed char */ |
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38 | #define SCHAR_MAX __SCHAR_MAX__ /* max value for a signed char */ |
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39 | #define UCHAR_MAX (2*SCHAR_MAX+1) /* max value for an unsigned char */ |
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40 | |||
41 | #define SHRT_MIN (-__SHRT_MAX__-1) /* min value for a short */ |
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42 | #define SHRT_MAX __SHRT_MAX__ /* max value for a short */ |
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43 | #define USHRT_MAX (2*SHRT_MAX+1) /* max value for an unsigned short */ |
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44 | |||
45 | #define INT_MIN (-__INT_MAX__-1) /* min value for an int */ |
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46 | #define INT_MAX __INT_MAX__ /* max value for an int */ |
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47 | #define UINT_MAX (2U*INT_MAX+1U) /* max value for an unsigned int */ |
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48 | |||
49 | #define LONG_MIN (-__LONG_MAX__-1L) /* min value for a long */ |
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50 | #define LONG_MAX __LONG_MAX__ /* max value for a long */ |
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51 | #define ULONG_MAX (2UL*LONG_MAX+1UL) /* max unsigned long */ |
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52 | |||
53 | #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
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54 | defined(_NETBSD_SOURCE) |
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55 | #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */ |
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56 | |||
57 | #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ |
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58 | defined(_NETBSD_SOURCE) |
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59 | #define LLONG_MIN (-__LONG_LONG_MAX__-1LL) /* min signed long long */ |
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60 | #define LLONG_MAX __LONG_LONG_MAX__ /* max signed long long */ |
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61 | #define ULLONG_MAX (2ULL*LLONG_MAX+1ULL) /* max unsigned long long */ |
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62 | #endif
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63 | |||
64 | #if defined(_NETBSD_SOURCE)
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65 | #define SSIZE_MIN LONG_MIN /* min value for a ssize_t */ |
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66 | #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ |
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67 | |||
68 | #define UQUAD_MAX ULLONG_MAX /* max unsigned quad */ |
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69 | #define QUAD_MAX LLONG_MAX /* max signed quad */ |
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70 | #define QUAD_MIN LLONG_MIN /* min signed quad */ |
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71 | |||
72 | #endif /* _NETBSD_SOURCE */ |
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73 | #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ |
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74 | |||
75 | #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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76 | #define LONG_BIT (__SIZEOF_LONG__ * 8) |
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77 | #define WORD_BIT (__SIZEOF_INT__ * 8) |
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78 | |||
79 | #define DBL_DIG __DBL_DIG__
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80 | #define DBL_MAX __DBL_MAX__
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81 | #define DBL_MIN __DBL_MIN__
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82 | |||
83 | #define FLT_DIG __FLT_DIG__
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84 | #define FLT_MAX __FLT_MAX__
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85 | #define FLT_MIN __FLT_MIN__
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86 | |||
87 | #ifdef __LDBL_DIG__
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88 | #define LDBL_DIG __LDBL_DIG__
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89 | #define LDBL_MAX __LDBL_MAX__
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90 | #define LDBL_MIN __LDBL_MIN__
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91 | #endif
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92 | |||
93 | #endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */ |
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94 | |||
95 | #endif /* _SYS_COMMON_LIMITS_H_ */ |