glimits.h revision 96489 
1#ifndef _LIMITS_H___
2#define _LIMITS_H___
3
4/* Number of bits in a `char'.  */
5#undef CHAR_BIT
6#define CHAR_BIT 8
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 (-128)
16#undef SCHAR_MAX
17#define SCHAR_MAX 127
18
19/* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
20#undef UCHAR_MAX
21#define UCHAR_MAX 255
22
23/* Minimum and maximum values a `char' can hold.  */
24#ifdef __CHAR_UNSIGNED__
25#undef CHAR_MIN
26#define CHAR_MIN 0
27#undef CHAR_MAX
28#define CHAR_MAX 255
29#else
30#undef CHAR_MIN
31#define CHAR_MIN (-128)
32#undef CHAR_MAX
33#define CHAR_MAX 127
34#endif
35
36#ifndef __SHRT_MAX__
37#define __SHRT_MAX__ 32767
38#endif
39
40/* Minimum and maximum values a `signed short int' can hold.  */
41#undef SHRT_MIN
42#define SHRT_MIN (-SHRT_MAX-1)
43#undef SHRT_MAX
44#define SHRT_MAX __SHRT_MAX__
45
46/* Minimum and maximum values a `signed int' can hold.  */
47#ifndef __INT_MAX__
48#define __INT_MAX__ 2147483647
49#endif
50#undef INT_MIN
51#define INT_MIN (-INT_MAX-1)
52#undef INT_MAX
53#define INT_MAX __INT_MAX__
54
55/* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
56#undef USHRT_MAX
57#if __SHRT_MAX__ == __INT_MAX__
58#define USHRT_MAX (SHRT_MAX * 2U + 1U)
59#else
60#define USHRT_MAX (SHRT_MAX * 2 + 1)
61#endif
62
63/* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
64#undef UINT_MAX
65#define UINT_MAX (INT_MAX * 2U + 1)
66
67/* Minimum and maximum values a `signed long int' can hold.
68   (Same as `int').  */
69#ifndef __LONG_MAX__
70#if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
71#define __LONG_MAX__ 9223372036854775807L
72#else
73#define __LONG_MAX__ 2147483647L
74#endif /* __alpha__ || sparc64 */
75#endif
76#undef LONG_MIN
77#define LONG_MIN (-LONG_MAX-1)
78#undef LONG_MAX
79#define LONG_MAX __LONG_MAX__
80
81/* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
82#undef ULONG_MAX
83#define ULONG_MAX (LONG_MAX * 2UL + 1)
84
85#ifndef __LONG_LONG_MAX__
86#define __LONG_LONG_MAX__ 9223372036854775807LL
87#endif
88
89#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
90/* Minimum and maximum values a `signed long long int' can hold.  */
91#undef LLONG_MIN
92#define LLONG_MIN (-LLONG_MAX-1)
93#undef LLONG_MAX
94#define LLONG_MAX __LONG_LONG_MAX__
95
96/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
97#undef ULLONG_MAX
98#define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
99#endif
100
101#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
102/* Minimum and maximum values a `signed long long int' can hold.  */
103#undef LONG_LONG_MIN
104#define LONG_LONG_MIN (-LONG_LONG_MAX-1)
105#undef LONG_LONG_MAX
106#define LONG_LONG_MAX __LONG_LONG_MAX__
107
108/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
109#undef ULONG_LONG_MAX
110#define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
111#endif
112
113#endif /* _LIMITS_H___ */
114