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annotate gcc/glimits.h @ 44:a14cd9f25ac4

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Mon, 25 Jan 2010 17:27:45 +0900
parents a06113de4d67
children 77e2b8dfacca
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 #ifndef _LIMITS_H___
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2 #define _LIMITS_H___
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3
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4 /* Number of bits in a `char'. */
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5 #undef CHAR_BIT
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6 #define CHAR_BIT __CHAR_BIT__
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7
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8 /* Maximum length of a multibyte character. */
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9 #ifndef MB_LEN_MAX
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10 #define MB_LEN_MAX 1
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11 #endif
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12
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13 /* Minimum and maximum values a `signed char' can hold. */
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14 #undef SCHAR_MIN
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15 #define SCHAR_MIN (-SCHAR_MAX - 1)
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16 #undef SCHAR_MAX
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17 #define SCHAR_MAX __SCHAR_MAX__
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18
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19 /* Maximum value an `unsigned char' can hold. (Minimum is 0). */
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20 #undef UCHAR_MAX
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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21 #if __SCHAR_MAX__ == __INT_MAX__
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22 # define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
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23 #else
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24 # define UCHAR_MAX (SCHAR_MAX * 2 + 1)
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25 #endif
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26
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27 /* Minimum and maximum values a `char' can hold. */
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28 #ifdef __CHAR_UNSIGNED__
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29 # undef CHAR_MIN
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30 # if __SCHAR_MAX__ == __INT_MAX__
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31 # define CHAR_MIN 0U
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32 # else
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33 # define CHAR_MIN 0
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34 # endif
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35 # undef CHAR_MAX
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36 # define CHAR_MAX UCHAR_MAX
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37 #else
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38 # undef CHAR_MIN
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39 # define CHAR_MIN SCHAR_MIN
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40 # undef CHAR_MAX
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41 # define CHAR_MAX SCHAR_MAX
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42 #endif
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43
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44 /* Minimum and maximum values a `signed short int' can hold. */
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45 #undef SHRT_MIN
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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46 #define SHRT_MIN (-SHRT_MAX - 1)
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47 #undef SHRT_MAX
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48 #define SHRT_MAX __SHRT_MAX__
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49
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50 /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */
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51 #undef USHRT_MAX
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52 #if __SHRT_MAX__ == __INT_MAX__
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53 # define USHRT_MAX (SHRT_MAX * 2U + 1U)
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54 #else
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55 # define USHRT_MAX (SHRT_MAX * 2 + 1)
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56 #endif
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57
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58 /* Minimum and maximum values a `signed int' can hold. */
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59 #undef INT_MIN
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60 #define INT_MIN (-INT_MAX - 1)
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61 #undef INT_MAX
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62 #define INT_MAX __INT_MAX__
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63
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64 /* Maximum value an `unsigned int' can hold. (Minimum is 0). */
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65 #undef UINT_MAX
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66 #define UINT_MAX (INT_MAX * 2U + 1U)
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67
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68 /* Minimum and maximum values a `signed long int' can hold.
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69 (Same as `int'). */
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70 #undef LONG_MIN
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71 #define LONG_MIN (-LONG_MAX - 1L)
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72 #undef LONG_MAX
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73 #define LONG_MAX __LONG_MAX__
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74
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75 /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */
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76 #undef ULONG_MAX
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77 #define ULONG_MAX (LONG_MAX * 2UL + 1UL)
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78
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79 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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80 /* Minimum and maximum values a `signed long long int' can hold. */
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81 # undef LLONG_MIN
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82 # define LLONG_MIN (-LLONG_MAX - 1LL)
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83 # undef LLONG_MAX
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84 # define LLONG_MAX __LONG_LONG_MAX__
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85
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86 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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87 # undef ULLONG_MAX
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88 # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
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89 #endif
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90
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91 #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
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92 /* Minimum and maximum values a `signed long long int' can hold. */
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93 # undef LONG_LONG_MIN
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94 # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
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95 # undef LONG_LONG_MAX
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96 # define LONG_LONG_MAX __LONG_LONG_MAX__
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97
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98 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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99 # undef ULONG_LONG_MAX
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100 # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
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101 #endif
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102
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103 #endif /* _LIMITS_H___ */