1 limits.h |
1 /*- |
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2 * Copyright (c) 1988, 1993 |
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3 * The Regents of the University of California. All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * 4. Neither the name of the University nor the names of its contributors |
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14 * may be used to endorse or promote products derived from this software |
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15 * without specific prior written permission. |
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16 * |
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17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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27 * SUCH DAMAGE. |
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28 * |
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29 * $FreeBSD: src/sys/sys/limits.h,v 1.9 2005/01/07 02:29:23 imp Exp $ |
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30 */ |
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31 |
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32 #ifndef _SYS_LIMITS_H_ |
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33 #define _SYS_LIMITS_H_ |
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34 |
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35 #include <sys/cdefs.h> |
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36 #include <machine/_limits.h> |
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37 |
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38 #define CHAR_BIT __CHAR_BIT /* number of bits in a char */ |
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39 |
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40 #define SCHAR_MAX __SCHAR_MAX /* max value for a signed char */ |
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41 #define SCHAR_MIN __SCHAR_MIN /* min value for a signed char */ |
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42 |
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43 #define UCHAR_MAX __UCHAR_MAX /* max value for an unsigned char */ |
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44 |
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45 #ifdef __CHAR_UNSIGNED__ |
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46 #define CHAR_MAX UCHAR_MAX /* max value for a char */ |
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47 #define CHAR_MIN 0 /* min value for a char */ |
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48 #else |
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49 #define CHAR_MAX SCHAR_MAX |
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50 #define CHAR_MIN SCHAR_MIN |
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51 #endif |
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52 |
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53 #define USHRT_MAX __USHRT_MAX /* max value for an unsigned short */ |
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54 #define SHRT_MAX __SHRT_MAX /* max value for a short */ |
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55 #define SHRT_MIN __SHRT_MIN /* min value for a short */ |
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56 |
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57 #define UINT_MAX __UINT_MAX /* max value for an unsigned int */ |
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58 #define INT_MAX __INT_MAX /* max value for an int */ |
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59 #define INT_MIN __INT_MIN /* min value for an int */ |
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60 |
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61 #define ULONG_MAX __ULONG_MAX /* max for an unsigned long */ |
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62 #define LONG_MAX __LONG_MAX /* max for a long */ |
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63 #define LONG_MIN __LONG_MIN /* min for a long */ |
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64 |
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65 #ifdef __LONG_LONG_SUPPORTED |
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66 #define ULLONG_MAX __ULLONG_MAX /* max for an unsigned long long */ |
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67 #define LLONG_MAX __LLONG_MAX /* max for a long long */ |
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68 #define LLONG_MIN __LLONG_MIN /* min for a long long */ |
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69 #endif |
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70 |
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71 #if __POSIX_VISIBLE || __XSI_VISIBLE |
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72 #define SSIZE_MAX __SSIZE_MAX /* max value for an ssize_t */ |
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73 #endif |
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74 |
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75 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE |
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76 #define SIZE_T_MAX __SIZE_T_MAX /* max value for a size_t */ |
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77 |
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78 #define OFF_MAX __OFF_MAX /* max value for an off_t */ |
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79 #define OFF_MIN __OFF_MIN /* min value for an off_t */ |
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80 #endif |
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81 |
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82 #if __BSD_VISIBLE |
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83 #define GID_MAX UINT_MAX /* max value for a gid_t */ |
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84 #define UID_MAX UINT_MAX /* max value for a uid_t */ |
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85 |
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86 #define UQUAD_MAX (__UQUAD_MAX) /* max value for a uquad_t */ |
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87 #define QUAD_MAX (__QUAD_MAX) /* max value for a quad_t */ |
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88 #define QUAD_MIN (__QUAD_MIN) /* min value for a quad_t */ |
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89 #endif |
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90 |
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91 #if __XSI_VISIBLE |
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92 #define LONG_BIT __LONG_BIT |
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93 #define WORD_BIT __WORD_BIT |
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94 #endif |
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95 |
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96 #endif /* !_SYS_LIMITS_H_ */ |