1#pragma once
2
3#include <features.h>
4
5/* Most limits are system-specific */
6
7#include <bits/limits.h>
8
9/* Support signed or unsigned plain-char */
10
11#if '\0' - 1 > 0
12#define CHAR_MIN 0
13#define CHAR_MAX 255
14#else
15#define CHAR_MIN (-128)
16#define CHAR_MAX 127
17#endif
18
19/* Some universal constants... */
20
21#define CHAR_BIT 8
22#define SCHAR_MIN (-128)
23#define SCHAR_MAX 127
24#define UCHAR_MAX 255
25#define SHRT_MIN (-1 - 0x7fff)
26#define SHRT_MAX 0x7fff
27#define USHRT_MAX 0xffff
28#define INT_MIN (-1 - 0x7fffffff)
29#define INT_MAX 0x7fffffff
30#define UINT_MAX 0xffffffffU
31#define LONG_MIN (-LONG_MAX - 1)
32#define ULONG_MAX (2UL * LONG_MAX + 1)
33#define LLONG_MIN (-LLONG_MAX - 1)
34#define ULLONG_MAX (2ULL * LLONG_MAX + 1)
35
36#define MB_LEN_MAX 4
37
38#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
39    defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
40
41#define PIPE_BUF 4096
42#ifdef PAGE_SIZE
43#define PAGESIZE PAGE_SIZE
44#endif
45#define FILESIZEBITS 64
46#define NAME_MAX 255
47#define SYMLINK_MAX 255
48#define PATH_MAX 4096
49#define NZERO 20
50#define NGROUPS_MAX 32
51#define ARG_MAX 131072
52#define IOV_MAX 1024
53#define SYMLOOP_MAX 40
54#define WORD_BIT 32
55#define SSIZE_MAX LONG_MAX
56#define TZNAME_MAX 6
57#define TTY_NAME_MAX 32
58#define HOST_NAME_MAX 255
59
60/* Implementation choices... */
61
62#define PTHREAD_KEYS_MAX 128
63#define PTHREAD_STACK_MIN 3072
64#define PTHREAD_DESTRUCTOR_ITERATIONS 4
65#define SEM_VALUE_MAX 0x7fffffff
66#define SEM_NSEMS_MAX 256
67#define DELAYTIMER_MAX 0x7fffffff
68#define MQ_PRIO_MAX 32768
69#define LOGIN_NAME_MAX 256
70
71/* Arbitrary numbers... */
72
73#define BC_BASE_MAX 99
74#define BC_DIM_MAX 2048
75#define BC_SCALE_MAX 99
76#define BC_STRING_MAX 1000
77#define CHARCLASS_NAME_MAX 14
78#define COLL_WEIGHTS_MAX 2
79#define EXPR_NEST_MAX 32
80#define LINE_MAX 4096
81#define RE_DUP_MAX 255
82
83#define NL_ARGMAX 9
84#define NL_LANGMAX 32
85#define NL_MSGMAX 32767
86#define NL_SETMAX 255
87#define NL_TEXTMAX 2048
88
89#endif
90
91#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || \
92    (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE + 0 < 700)
93
94#define NL_NMAX 16
95
96#endif
97
98/* POSIX/SUS requirements follow. These numbers come directly
99 * from SUS and have nothing to do with the host system. */
100
101#define _POSIX_AIO_LISTIO_MAX 2
102#define _POSIX_AIO_MAX 1
103#define _POSIX_ARG_MAX 4096
104#define _POSIX_CHILD_MAX 25
105#define _POSIX_CLOCKRES_MIN 20000000
106#define _POSIX_DELAYTIMER_MAX 32
107#define _POSIX_HOST_NAME_MAX 255
108#define _POSIX_LINK_MAX 8
109#define _POSIX_LOGIN_NAME_MAX 9
110#define _POSIX_MAX_CANON 255
111#define _POSIX_MAX_INPUT 255
112#define _POSIX_MQ_OPEN_MAX 8
113#define _POSIX_MQ_PRIO_MAX 32
114#define _POSIX_NAME_MAX 14
115#define _POSIX_NGROUPS_MAX 8
116#define _POSIX_OPEN_MAX 20
117#define _POSIX_PATH_MAX 256
118#define _POSIX_PIPE_BUF 512
119#define _POSIX_RE_DUP_MAX 255
120#define _POSIX_RTSIG_MAX 8
121#define _POSIX_SEM_NSEMS_MAX 256
122#define _POSIX_SEM_VALUE_MAX 32767
123#define _POSIX_SIGQUEUE_MAX 32
124#define _POSIX_SSIZE_MAX 32767
125#define _POSIX_STREAM_MAX 8
126#define _POSIX_SS_REPL_MAX 4
127#define _POSIX_SYMLINK_MAX 255
128#define _POSIX_SYMLOOP_MAX 8
129#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
130#define _POSIX_THREAD_KEYS_MAX 128
131#define _POSIX_THREAD_THREADS_MAX 64
132#define _POSIX_TIMER_MAX 32
133#define _POSIX_TRACE_EVENT_NAME_MAX 30
134#define _POSIX_TRACE_NAME_MAX 8
135#define _POSIX_TRACE_SYS_MAX 8
136#define _POSIX_TRACE_USER_EVENT_MAX 32
137#define _POSIX_TTY_NAME_MAX 9
138#define _POSIX_TZNAME_MAX 6
139#define _POSIX2_BC_BASE_MAX 99
140#define _POSIX2_BC_DIM_MAX 2048
141#define _POSIX2_BC_SCALE_MAX 99
142#define _POSIX2_BC_STRING_MAX 1000
143#define _POSIX2_CHARCLASS_NAME_MAX 14
144#define _POSIX2_COLL_WEIGHTS_MAX 2
145#define _POSIX2_EXPR_NEST_MAX 32
146#define _POSIX2_LINE_MAX 2048
147#define _POSIX2_RE_DUP_MAX 255
148
149#define _XOPEN_IOV_MAX 16
150#define _XOPEN_NAME_MAX 255
151#define _XOPEN_PATH_MAX 1024
152