/* $NetBSD: ulimit.c,v 1.3 2008/04/28 20:22:59 martin Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Klaus Klein. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include <sys/cdefs.h> #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: ulimit.c,v 1.3 2008/04/28 20:22:59 martin Exp $"); #endif /* LIBC_SCCS and not lint */ #include <sys/resource.h> #include <errno.h> #include <stdarg.h> #include <ulimit.h> long int ulimit(int cmd, ...) { va_list ap; struct rlimit rlimit; long int new_limit, result; va_start(ap, cmd); result = -1L; switch (cmd) { case UL_GETFSIZE: if (getrlimit(RLIMIT_FSIZE, &rlimit) == 0) result = (long int)(rlimit.rlim_cur / 512); break; case UL_SETFSIZE: new_limit = va_arg(ap, long int); rlimit.rlim_cur = rlimit.rlim_max = (rlim_t)new_limit * 512; if (setrlimit(RLIMIT_FSIZE, &rlimit) == 0) result = new_limit; break; default: errno = EINVAL; } va_end(ap); return (result); } |