1 /* $NetBSD: ulimit.c,v 1.2 2002/05/26 14:03:20 wiz 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 #if defined(LIBC_SCCS) && !defined(lint) 41 __RCSID("$NetBSD: ulimit.c,v 1.2 2002/05/26 14:03:20 wiz Exp $"); 42 #endif /* LIBC_SCCS and not lint */ 43 44 #include <sys/resource.h> 45 #include <errno.h> 46 #include <stdarg.h> 47 #include <ulimit.h> 48 49 long int 50 ulimit(int cmd, ...) 51 { 52 va_list ap; 53 struct rlimit rlimit; 54 long int new_limit, result; 55 56 va_start(ap, cmd); 57 58 result = -1L; 59 switch (cmd) { 60 case UL_GETFSIZE: 61 if (getrlimit(RLIMIT_FSIZE, &rlimit) == 0) 62 result = (long int)(rlimit.rlim_cur / 512); 63 break; 64 case UL_SETFSIZE: 65 new_limit = va_arg(ap, long int); 66 rlimit.rlim_cur = rlimit.rlim_max = (rlim_t)new_limit * 512; 67 if (setrlimit(RLIMIT_FSIZE, &rlimit) == 0) 68 result = new_limit; 69 break; 70 default: 71 errno = EINVAL; 72 } 73 74 va_end(ap); 75 76 return (result); 77 } 78