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
|
/*-
* Copyright (c) 2002 Kyle Martin <mkm@ieee.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <ulimit.h>
long
ulimit(int cmd, ...)
{
struct rlimit limit;
va_list ap;
rlim_t arg;
if (cmd == UL_GETFSIZE) {
if (getrlimit(RLIMIT_FSIZE, &limit) == -1)
return (-1);
limit.rlim_cur /= 512;
if (limit.rlim_cur > LONG_MAX)
return (LONG_MAX);
return ((long)limit.rlim_cur);
} else if (cmd == UL_SETFSIZE) {
va_start(ap, cmd);
arg = va_arg(ap, long);
va_end(ap);
if (arg < 0)
arg = LONG_MAX;
if (arg > RLIM_INFINITY / 512)
arg = RLIM_INFINITY / 512;
limit.rlim_max = limit.rlim_cur = arg * 512;
/* The setrlimit() function sets errno to EPERM if needed. */
if (setrlimit(RLIMIT_FSIZE, &limit) == -1)
return (-1);
return ((long)arg);
} else {
errno = EINVAL;
return (-1);
}
}
|
