1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_SYS_LIMITS_H
#include <sys/limits.h>
#endif
/* Generate bits/local_lim.h from the values defined in the system's
headers. */
struct param
{
char *name;
int value;
};
static struct param params[] =
{
#if !defined (ARG_MAX) && defined (NCARGS)
#define ARG_MAX NCARGS
#endif
#ifdef ARG_MAX
{ "ARG_MAX", ARG_MAX },
#endif
#if !defined (CHILD_MAX) && defined (MAXUPRC)
#define CHILD_MAX MAXUPRC
#endif
#ifdef CHILD_MAX
{ "CHILD_MAX", CHILD_MAX },
#endif
#if !defined (LINK_MAX) && defined (MAXLINK)
#define LINK_MAX MAXLINK
#endif
#ifdef LINK_MAX
{ "LINK_MAX", LINK_MAX },
#endif
#if !defined (OPEN_MAX) && defined (NOFILE)
#define OPEN_MAX NOFILE
#endif
#ifdef OPEN_MAX
{ "OPEN_MAX", OPEN_MAX },
#endif
#if !defined (MAX_CANON) && defined (CANBSIZ)
#define MAX_CANON CANBSIZ
#endif
#ifdef MAX_CANON
{ "MAX_CANON", MAX_CANON },
#endif
#if !defined (NAME_MAX) && defined (MAXNAMLEN)
#define NAME_MAX MAXNAMLEN
#endif
#ifndef NAME_MAX
#define NAME_MAX 255 /* XXX ? */
#endif
{ "NAME_MAX", NAME_MAX },
#if !defined (PATH_MAX) && defined (MAXPATHLEN)
#define PATH_MAX MAXPATHLEN
#endif
#ifdef PATH_MAX
{ "PATH_MAX", PATH_MAX },
#endif
#if !defined (SYMLOOP_MAX) && defined (MAXSYMLINKS)
#define SYMLOOP_MAX MAXSYMLINKS
#endif
#ifdef SYMLOOP_MAX
{ "SYMLOOP_MAX", SYMLOOP_MAX },
#endif
{ NULL, 0 }
};
int
main()
{
extern char *ctime ();
extern time_t time ();
time_t now = time ((time_t *) NULL);
register struct param *p;
if (! params[0].name)
/* We have no information to give, so let the caller know. */
exit (1);
printf ("\
/* Implementation-specific limits.\n\
Generated at %.24s. */\n\n", ctime (&now));
for (p = params; p->name != NULL; ++p)
printf ("#define %s %d\n", p->name, p->value);
exit (0);
}
|
