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 43 ulimit(int cmd, ...) 44 { 45 va_list ap; 46 struct rlimit rlimit; 47 #if !defined(__minix) 48 long int new_limit, result; 49 #else 50 long int result; 51 #endif /* !defined(__minix) */ 52 53 va_start(ap, cmd); 54 55 result = -1L; 56 switch (cmd) { 57 case UL_GETFSIZE: 58 if (getrlimit(RLIMIT_FSIZE, &rlimit) == 0) 59 result = (long int)(rlimit.rlim_cur / 512); 60 break; 61 #if !defined(__minix) 62 case UL_SETFSIZE: 63 new_limit = va_arg(ap, long int); 64 rlimit.rlim_cur = rlimit.rlim_max = (rlim_t)new_limit * 512; 65 if (setrlimit(RLIMIT_FSIZE, &rlimit) == 0) 66 result = new_limit; 67 break; 68 #endif /* !defined(__minix) */ 69 default: 70 errno = EINVAL; 71 } 72 73 va_end(ap); 74 75 return (result); 76 } 77