1 /* $NetBSD: ulimit.c,v 1.1 1999/09/13 18:38:06 kleink 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 1.1 1999/09/13 18:38:06 kleink Exp $"); 42 #endif /* LIBC_SCCS and not lint */ 43 44 #include <sys/resource.h> 45 #include <errno.h> 46 #include <ulimit.h> 47 48 #if __STDC__ 49 #include <stdarg.h> 50 #else 51 #include <varargs.h> 52 #endif 53 54 long int 55 #if __STDC__ 56 ulimit(int cmd, ...) 57 #else 58 ulimit(cmd, va_alist) 59 int cmd; 60 va_dcl 61 #endif 62 { 63 va_list ap; 64 struct rlimit rlimit; 65 long int new_limit, result; 66 67 #if __STDC__ 68 va_start(ap, cmd); 69 #else 70 va_start(ap); 71 #endif 72 73 result = -1L; 74 switch (cmd) { 75 case UL_GETFSIZE: 76 if (getrlimit(RLIMIT_FSIZE, &rlimit) == 0) 77 result = (long int)(rlimit.rlim_cur / 512); 78 break; 79 case UL_SETFSIZE: 80 new_limit = va_arg(ap, long int); 81 rlimit.rlim_cur = rlimit.rlim_max = (rlim_t)new_limit * 512; 82 if (setrlimit(RLIMIT_FSIZE, &rlimit) == 0) 83 result = new_limit; 84 break; 85 default: 86 errno = EINVAL; 87 } 88 89 va_end(ap); 90 91 return (result); 92 } 93