master
1#ifndef _LIMITS_H
2#define _LIMITS_H
3
4#include <features.h>
5
6#include <bits/alltypes.h> /* __LONG_MAX */
7
8/* Support signed or unsigned plain-char */
9
10#if '\xff' > 0
11#define CHAR_MIN 0
12#define CHAR_MAX 255
13#else
14#define CHAR_MIN (-128)
15#define CHAR_MAX 127
16#endif
17
18#define CHAR_BIT 8
19#define SCHAR_MIN (-128)
20#define SCHAR_MAX 127
21#define UCHAR_MAX 255
22#define SHRT_MIN (-1-0x7fff)
23#define SHRT_MAX 0x7fff
24#define USHRT_MAX 0xffff
25#define INT_MIN (-1-0x7fffffff)
26#define INT_MAX 0x7fffffff
27#define UINT_MAX 0xffffffffU
28#define LONG_MIN (-LONG_MAX-1)
29#define LONG_MAX __LONG_MAX
30#define ULONG_MAX (2UL*LONG_MAX+1)
31#define LLONG_MIN (-LLONG_MAX-1)
32#define LLONG_MAX 0x7fffffffffffffffLL
33#define ULLONG_MAX (2ULL*LLONG_MAX+1)
34
35#define MB_LEN_MAX 4
36
37#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
38 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
39
40#include <bits/limits.h>
41
42#define PIPE_BUF 4096
43#define FILESIZEBITS 64
44#ifndef NAME_MAX
45#define NAME_MAX 255
46#endif
47#define PATH_MAX 4096
48#define NGROUPS_MAX 32
49#define ARG_MAX 131072
50#define IOV_MAX 1024
51#define SYMLOOP_MAX 40
52#define WORD_BIT 32
53#define SSIZE_MAX LONG_MAX
54#define TZNAME_MAX 6
55#define TTY_NAME_MAX 32
56#define HOST_NAME_MAX 255
57
58#if LONG_MAX == 0x7fffffffL
59#define LONG_BIT 32
60#else
61#define LONG_BIT 64
62#endif
63
64/* Implementation choices... */
65
66#define PTHREAD_KEYS_MAX 128
67#define PTHREAD_STACK_MIN 2048
68#define PTHREAD_DESTRUCTOR_ITERATIONS 4
69#define SEM_VALUE_MAX 0x7fffffff
70#define SEM_NSEMS_MAX 256
71#define DELAYTIMER_MAX 0x7fffffff
72#define MQ_PRIO_MAX 32768
73#define LOGIN_NAME_MAX 256
74
75/* Arbitrary numbers... */
76
77#define BC_BASE_MAX 99
78#define BC_DIM_MAX 2048
79#define BC_SCALE_MAX 99
80#define BC_STRING_MAX 1000
81#define CHARCLASS_NAME_MAX 14
82#define COLL_WEIGHTS_MAX 2
83#define EXPR_NEST_MAX 32
84#define LINE_MAX 4096
85#define RE_DUP_MAX 255
86
87#define NL_ARGMAX 9
88#define NL_MSGMAX 32767
89#define NL_SETMAX 255
90#define NL_TEXTMAX 2048
91
92#endif
93
94#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_XOPEN_SOURCE)
95
96#ifdef PAGESIZE
97#define PAGE_SIZE PAGESIZE
98#endif
99#define NZERO 20
100#define NL_LANGMAX 32
101
102#endif
103
104#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \
105 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
106
107#define NL_NMAX 16
108
109#endif
110
111/* POSIX/SUS requirements follow. These numbers come directly
112 * from SUS and have nothing to do with the host system. */
113
114#define _POSIX_AIO_LISTIO_MAX 2
115#define _POSIX_AIO_MAX 1
116#define _POSIX_ARG_MAX 4096
117#define _POSIX_CHILD_MAX 25
118#define _POSIX_CLOCKRES_MIN 20000000
119#define _POSIX_DELAYTIMER_MAX 32
120#define _POSIX_HOST_NAME_MAX 255
121#define _POSIX_LINK_MAX 8
122#define _POSIX_LOGIN_NAME_MAX 9
123#define _POSIX_MAX_CANON 255
124#define _POSIX_MAX_INPUT 255
125#define _POSIX_MQ_OPEN_MAX 8
126#define _POSIX_MQ_PRIO_MAX 32
127#define _POSIX_NAME_MAX 14
128#define _POSIX_NGROUPS_MAX 8
129#define _POSIX_OPEN_MAX 20
130#define _POSIX_PATH_MAX 256
131#define _POSIX_PIPE_BUF 512
132#define _POSIX_RE_DUP_MAX 255
133#define _POSIX_RTSIG_MAX 8
134#define _POSIX_SEM_NSEMS_MAX 256
135#define _POSIX_SEM_VALUE_MAX 32767
136#define _POSIX_SIGQUEUE_MAX 32
137#define _POSIX_SSIZE_MAX 32767
138#define _POSIX_STREAM_MAX 8
139#define _POSIX_SS_REPL_MAX 4
140#define _POSIX_SYMLINK_MAX 255
141#define _POSIX_SYMLOOP_MAX 8
142#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
143#define _POSIX_THREAD_KEYS_MAX 128
144#define _POSIX_THREAD_THREADS_MAX 64
145#define _POSIX_TIMER_MAX 32
146#define _POSIX_TRACE_EVENT_NAME_MAX 30
147#define _POSIX_TRACE_NAME_MAX 8
148#define _POSIX_TRACE_SYS_MAX 8
149#define _POSIX_TRACE_USER_EVENT_MAX 32
150#define _POSIX_TTY_NAME_MAX 9
151#define _POSIX_TZNAME_MAX 6
152#define _POSIX2_BC_BASE_MAX 99
153#define _POSIX2_BC_DIM_MAX 2048
154#define _POSIX2_BC_SCALE_MAX 99
155#define _POSIX2_BC_STRING_MAX 1000
156#define _POSIX2_CHARCLASS_NAME_MAX 14
157#define _POSIX2_COLL_WEIGHTS_MAX 2
158#define _POSIX2_EXPR_NEST_MAX 32
159#define _POSIX2_LINE_MAX 2048
160#define _POSIX2_RE_DUP_MAX 255
161
162#define _XOPEN_IOV_MAX 16
163#define _XOPEN_NAME_MAX 255
164#define _XOPEN_PATH_MAX 1024
165
166#endif