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1 #ifndef _LIMITS_H | 1 #ifndef _LIMITS_H |
2 #define _LIMITS_H | 2 #define _LIMITS_H |
3 | 3 |
4 #include <features.h> | 4 #include <features.h> |
5 | 5 |
6 /* Most limits are system-specific */ | 6 /* Most limits are system-specific */ |
7 | 7 |
8 #include <bits/limits.h> | 8 #include <bits/limits.h> |
9 | 9 |
10 /* Support signed or unsigned plain-char */ | 10 /* Support signed or unsigned plain-char */ |
11 | 11 |
12 #if '\0'-1 > 0 | 12 #if '\0' - 1 > 0 |
13 #define CHAR_MIN 0 | 13 #define CHAR_MIN 0 |
14 #define CHAR_MAX 255 | 14 #define CHAR_MAX 255 |
15 #else | 15 #else |
16 #define CHAR_MIN (-128) | 16 #define CHAR_MIN (-128) |
17 #define CHAR_MAX 127 | 17 #define CHAR_MAX 127 |
18 #endif | 18 #endif |
19 | 19 |
20 /* Some universal constants... */ | 20 /* Some universal constants... */ |
21 | 21 |
22 #define CHAR_BIT 8 | 22 #define CHAR_BIT 8 |
23 #define SCHAR_MIN (-128) | 23 #define SCHAR_MIN (-128) |
24 #define SCHAR_MAX 127 | 24 #define SCHAR_MAX 127 |
25 #define UCHAR_MAX 255 | 25 #define UCHAR_MAX 255 |
26 #define SHRT_MIN (-1-0x7fff) | 26 #define SHRT_MIN (-1 - 0x7fff) |
27 #define SHRT_MAX 0x7fff | 27 #define SHRT_MAX 0x7fff |
28 #define USHRT_MAX 0xffff | 28 #define USHRT_MAX 0xffff |
29 #define INT_MIN (-1-0x7fffffff) | 29 #define INT_MIN (-1 - 0x7fffffff) |
30 #define INT_MAX 0x7fffffff | 30 #define INT_MAX 0x7fffffff |
31 #define UINT_MAX 0xffffffffU | 31 #define UINT_MAX 0xffffffffU |
32 #define LONG_MIN (-LONG_MAX-1) | 32 #define LONG_MIN (-LONG_MAX - 1) |
33 #define ULONG_MAX (2UL*LONG_MAX+1) | 33 #define ULONG_MAX (2UL * LONG_MAX + 1) |
34 #define LLONG_MIN (-LLONG_MAX-1) | 34 #define LLONG_MIN (-LLONG_MAX - 1) |
35 #define ULLONG_MAX (2ULL*LLONG_MAX+1) | 35 #define ULLONG_MAX (2ULL * LLONG_MAX + 1) |
36 | 36 |
37 #define MB_LEN_MAX 4 | 37 #define MB_LEN_MAX 4 |
38 | 38 |
39 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ | 39 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \ |
40 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) | 40 defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) |
41 | 41 |
42 #define PIPE_BUF 4096 | 42 #define PIPE_BUF 4096 |
43 #ifdef PAGE_SIZE | 43 #ifdef PAGE_SIZE |
44 #define PAGESIZE PAGE_SIZE | 44 #define PAGESIZE PAGE_SIZE |
45 #endif | 45 #endif |
46 #define FILESIZEBITS 64 | 46 #define FILESIZEBITS 64 |
47 #define NAME_MAX 255 | 47 #define NAME_MAX 255 |
48 #define SYMLINK_MAX 255 | 48 #define SYMLINK_MAX 255 |
49 #define PATH_MAX 4096 | 49 #define PATH_MAX 4096 |
50 #define NZERO 20 | 50 #define NZERO 20 |
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82 #define RE_DUP_MAX 255 | 82 #define RE_DUP_MAX 255 |
83 | 83 |
84 #define NL_ARGMAX 9 | 84 #define NL_ARGMAX 9 |
85 #define NL_LANGMAX 32 | 85 #define NL_LANGMAX 32 |
86 #define NL_MSGMAX 32767 | 86 #define NL_MSGMAX 32767 |
87 #define NL_SETMAX 255 | 87 #define NL_SETMAX 255 |
88 #define NL_TEXTMAX 2048 | 88 #define NL_TEXTMAX 2048 |
89 | 89 |
90 #endif | 90 #endif |
91 | 91 |
92 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \ | 92 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || \ |
93 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700) | 93 (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE + 0 < 700) |
94 | 94 |
95 #define NL_NMAX 16 | 95 #define NL_NMAX 16 |
96 | 96 |
97 #endif | 97 #endif |
98 | 98 |
99 /* POSIX/SUS requirements follow. These numbers come directly | 99 /* POSIX/SUS requirements follow. These numbers come directly |
100 * from SUS and have nothing to do with the host system. */ | 100 * from SUS and have nothing to do with the host system. */ |
101 | 101 |
102 #define _POSIX_AIO_LISTIO_MAX 2 | 102 #define _POSIX_AIO_LISTIO_MAX 2 |
103 #define _POSIX_AIO_MAX 1 | 103 #define _POSIX_AIO_MAX 1 |
104 #define _POSIX_ARG_MAX 4096 | 104 #define _POSIX_ARG_MAX 4096 |
105 #define _POSIX_CHILD_MAX 25 | 105 #define _POSIX_CHILD_MAX 25 |
106 #define _POSIX_CLOCKRES_MIN 20000000 | 106 #define _POSIX_CLOCKRES_MIN 20000000 |
107 #define _POSIX_DELAYTIMER_MAX 32 | 107 #define _POSIX_DELAYTIMER_MAX 32 |
108 #define _POSIX_HOST_NAME_MAX 255 | 108 #define _POSIX_HOST_NAME_MAX 255 |
109 #define _POSIX_LINK_MAX 8 | 109 #define _POSIX_LINK_MAX 8 |
110 #define _POSIX_LOGIN_NAME_MAX 9 | 110 #define _POSIX_LOGIN_NAME_MAX 9 |
111 #define _POSIX_MAX_CANON 255 | 111 #define _POSIX_MAX_CANON 255 |
112 #define _POSIX_MAX_INPUT 255 | 112 #define _POSIX_MAX_INPUT 255 |
113 #define _POSIX_MQ_OPEN_MAX 8 | 113 #define _POSIX_MQ_OPEN_MAX 8 |
114 #define _POSIX_MQ_PRIO_MAX 32 | 114 #define _POSIX_MQ_PRIO_MAX 32 |
115 #define _POSIX_NAME_MAX 14 | 115 #define _POSIX_NAME_MAX 14 |
116 #define _POSIX_NGROUPS_MAX 8 | 116 #define _POSIX_NGROUPS_MAX 8 |
117 #define _POSIX_OPEN_MAX 20 | 117 #define _POSIX_OPEN_MAX 20 |
118 #define _POSIX_PATH_MAX 256 | 118 #define _POSIX_PATH_MAX 256 |
119 #define _POSIX_PIPE_BUF 512 | 119 #define _POSIX_PIPE_BUF 512 |
120 #define _POSIX_RE_DUP_MAX 255 | 120 #define _POSIX_RE_DUP_MAX 255 |
121 #define _POSIX_RTSIG_MAX 8 | 121 #define _POSIX_RTSIG_MAX 8 |
122 #define _POSIX_SEM_NSEMS_MAX 256 | 122 #define _POSIX_SEM_NSEMS_MAX 256 |
123 #define _POSIX_SEM_VALUE_MAX 32767 | 123 #define _POSIX_SEM_VALUE_MAX 32767 |
124 #define _POSIX_SIGQUEUE_MAX 32 | 124 #define _POSIX_SIGQUEUE_MAX 32 |
125 #define _POSIX_SSIZE_MAX 32767 | 125 #define _POSIX_SSIZE_MAX 32767 |
126 #define _POSIX_STREAM_MAX 8 | 126 #define _POSIX_STREAM_MAX 8 |
127 #define _POSIX_SS_REPL_MAX 4 | 127 #define _POSIX_SS_REPL_MAX 4 |
128 #define _POSIX_SYMLINK_MAX 255 | 128 #define _POSIX_SYMLINK_MAX 255 |
129 #define _POSIX_SYMLOOP_MAX 8 | 129 #define _POSIX_SYMLOOP_MAX 8 |
130 #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 | 130 #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 |
131 #define _POSIX_THREAD_KEYS_MAX 128 | 131 #define _POSIX_THREAD_KEYS_MAX 128 |
132 #define _POSIX_THREAD_THREADS_MAX 64 | 132 #define _POSIX_THREAD_THREADS_MAX 64 |
133 #define _POSIX_TIMER_MAX 32 | 133 #define _POSIX_TIMER_MAX 32 |
134 #define _POSIX_TRACE_EVENT_NAME_MAX 30 | 134 #define _POSIX_TRACE_EVENT_NAME_MAX 30 |
135 #define _POSIX_TRACE_NAME_MAX 8 | 135 #define _POSIX_TRACE_NAME_MAX 8 |
136 #define _POSIX_TRACE_SYS_MAX 8 | 136 #define _POSIX_TRACE_SYS_MAX 8 |
137 #define _POSIX_TRACE_USER_EVENT_MAX 32 | 137 #define _POSIX_TRACE_USER_EVENT_MAX 32 |
138 #define _POSIX_TTY_NAME_MAX 9 | 138 #define _POSIX_TTY_NAME_MAX 9 |
139 #define _POSIX_TZNAME_MAX 6 | 139 #define _POSIX_TZNAME_MAX 6 |
140 #define _POSIX2_BC_BASE_MAX 99 | 140 #define _POSIX2_BC_BASE_MAX 99 |
141 #define _POSIX2_BC_DIM_MAX 2048 | 141 #define _POSIX2_BC_DIM_MAX 2048 |
142 #define _POSIX2_BC_SCALE_MAX 99 | 142 #define _POSIX2_BC_SCALE_MAX 99 |
143 #define _POSIX2_BC_STRING_MAX 1000 | 143 #define _POSIX2_BC_STRING_MAX 1000 |
144 #define _POSIX2_CHARCLASS_NAME_MAX 14 | 144 #define _POSIX2_CHARCLASS_NAME_MAX 14 |
145 #define _POSIX2_COLL_WEIGHTS_MAX 2 | 145 #define _POSIX2_COLL_WEIGHTS_MAX 2 |
146 #define _POSIX2_EXPR_NEST_MAX 32 | 146 #define _POSIX2_EXPR_NEST_MAX 32 |
147 #define _POSIX2_LINE_MAX 2048 | 147 #define _POSIX2_LINE_MAX 2048 |
148 #define _POSIX2_RE_DUP_MAX 255 | 148 #define _POSIX2_RE_DUP_MAX 255 |
149 | 149 |
150 #define _XOPEN_IOV_MAX 16 | 150 #define _XOPEN_IOV_MAX 16 |
151 #define _XOPEN_NAME_MAX 255 | 151 #define _XOPEN_NAME_MAX 255 |
152 #define _XOPEN_PATH_MAX 1024 | 152 #define _XOPEN_PATH_MAX 1024 |
153 | 153 |
154 #endif | 154 #endif |
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