Mercurial > hg > CbC > CbC_gcc
comparison gcc/glimits.h @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 77e2b8dfacca |
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-1:000000000000 | 0:a06113de4d67 |
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1 #ifndef _LIMITS_H___ | |
2 #define _LIMITS_H___ | |
3 | |
4 /* Number of bits in a `char'. */ | |
5 #undef CHAR_BIT | |
6 #define CHAR_BIT __CHAR_BIT__ | |
7 | |
8 /* Maximum length of a multibyte character. */ | |
9 #ifndef MB_LEN_MAX | |
10 #define MB_LEN_MAX 1 | |
11 #endif | |
12 | |
13 /* Minimum and maximum values a `signed char' can hold. */ | |
14 #undef SCHAR_MIN | |
15 #define SCHAR_MIN (-SCHAR_MAX - 1) | |
16 #undef SCHAR_MAX | |
17 #define SCHAR_MAX __SCHAR_MAX__ | |
18 | |
19 /* Maximum value an `unsigned char' can hold. (Minimum is 0). */ | |
20 #undef UCHAR_MAX | |
21 #if __SCHAR_MAX__ == __INT_MAX__ | |
22 # define UCHAR_MAX (SCHAR_MAX * 2U + 1U) | |
23 #else | |
24 # define UCHAR_MAX (SCHAR_MAX * 2 + 1) | |
25 #endif | |
26 | |
27 /* Minimum and maximum values a `char' can hold. */ | |
28 #ifdef __CHAR_UNSIGNED__ | |
29 # undef CHAR_MIN | |
30 # if __SCHAR_MAX__ == __INT_MAX__ | |
31 # define CHAR_MIN 0U | |
32 # else | |
33 # define CHAR_MIN 0 | |
34 # endif | |
35 # undef CHAR_MAX | |
36 # define CHAR_MAX UCHAR_MAX | |
37 #else | |
38 # undef CHAR_MIN | |
39 # define CHAR_MIN SCHAR_MIN | |
40 # undef CHAR_MAX | |
41 # define CHAR_MAX SCHAR_MAX | |
42 #endif | |
43 | |
44 /* Minimum and maximum values a `signed short int' can hold. */ | |
45 #undef SHRT_MIN | |
46 #define SHRT_MIN (-SHRT_MAX - 1) | |
47 #undef SHRT_MAX | |
48 #define SHRT_MAX __SHRT_MAX__ | |
49 | |
50 /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ | |
51 #undef USHRT_MAX | |
52 #if __SHRT_MAX__ == __INT_MAX__ | |
53 # define USHRT_MAX (SHRT_MAX * 2U + 1U) | |
54 #else | |
55 # define USHRT_MAX (SHRT_MAX * 2 + 1) | |
56 #endif | |
57 | |
58 /* Minimum and maximum values a `signed int' can hold. */ | |
59 #undef INT_MIN | |
60 #define INT_MIN (-INT_MAX - 1) | |
61 #undef INT_MAX | |
62 #define INT_MAX __INT_MAX__ | |
63 | |
64 /* Maximum value an `unsigned int' can hold. (Minimum is 0). */ | |
65 #undef UINT_MAX | |
66 #define UINT_MAX (INT_MAX * 2U + 1U) | |
67 | |
68 /* Minimum and maximum values a `signed long int' can hold. | |
69 (Same as `int'). */ | |
70 #undef LONG_MIN | |
71 #define LONG_MIN (-LONG_MAX - 1L) | |
72 #undef LONG_MAX | |
73 #define LONG_MAX __LONG_MAX__ | |
74 | |
75 /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ | |
76 #undef ULONG_MAX | |
77 #define ULONG_MAX (LONG_MAX * 2UL + 1UL) | |
78 | |
79 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L | |
80 /* Minimum and maximum values a `signed long long int' can hold. */ | |
81 # undef LLONG_MIN | |
82 # define LLONG_MIN (-LLONG_MAX - 1LL) | |
83 # undef LLONG_MAX | |
84 # define LLONG_MAX __LONG_LONG_MAX__ | |
85 | |
86 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ | |
87 # undef ULLONG_MAX | |
88 # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) | |
89 #endif | |
90 | |
91 #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) | |
92 /* Minimum and maximum values a `signed long long int' can hold. */ | |
93 # undef LONG_LONG_MIN | |
94 # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL) | |
95 # undef LONG_LONG_MAX | |
96 # define LONG_LONG_MAX __LONG_LONG_MAX__ | |
97 | |
98 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ | |
99 # undef ULONG_LONG_MAX | |
100 # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL) | |
101 #endif | |
102 | |
103 #endif /* _LIMITS_H___ */ |