1 /* $NetBSD: ulimit.c,v 1.3 2008/04/28 20:22:59 martin Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Klaus Klein.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
34 __RCSID("$NetBSD: ulimit.c,v 1.3 2008/04/28 20:22:59 martin Exp $");
35 #endif /* LIBC_SCCS and not lint */
36
37 #include <sys/resource.h>
38 #include <errno.h>
39 #include <stdarg.h>
40 #include <ulimit.h>
41
42 long int
ulimit(int cmd,...)43 ulimit(int cmd, ...)
44 {
45 va_list ap;
46 struct rlimit rlimit;
47 long int new_limit, result;
48
49 va_start(ap, cmd);
50
51 result = -1L;
52 switch (cmd) {
53 case UL_GETFSIZE:
54 if (getrlimit(RLIMIT_FSIZE, &rlimit) == 0)
55 result = (long int)(rlimit.rlim_cur / 512);
56 break;
57 case UL_SETFSIZE:
58 new_limit = va_arg(ap, long int);
59 rlimit.rlim_cur = rlimit.rlim_max = (rlim_t)new_limit * 512;
60 if (setrlimit(RLIMIT_FSIZE, &rlimit) == 0)
61 result = new_limit;
62 break;
63 default:
64 errno = EINVAL;
65 }
66
67 va_end(ap);
68
69 return (result);
70 }
71