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ulimit.c revision 1.3.8.2 
      1  1.3.8.2  martin /*	$NetBSD: ulimit.c,v 1.3.8.2 2008/04/28 20:23:00 martin Exp $	*/
      2  1.3.8.2  martin 
      3  1.3.8.2  martin /*-
      4  1.3.8.2  martin  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  1.3.8.2  martin  * All rights reserved.
      6  1.3.8.2  martin  *
      7  1.3.8.2  martin  * This code is derived from software contributed to The NetBSD Foundation
      8  1.3.8.2  martin  * by Klaus Klein.
      9  1.3.8.2  martin  *
     10  1.3.8.2  martin  * Redistribution and use in source and binary forms, with or without
     11  1.3.8.2  martin  * modification, are permitted provided that the following conditions
     12  1.3.8.2  martin  * are met:
     13  1.3.8.2  martin  * 1. Redistributions of source code must retain the above copyright
     14  1.3.8.2  martin  *    notice, this list of conditions and the following disclaimer.
     15  1.3.8.2  martin  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.3.8.2  martin  *    notice, this list of conditions and the following disclaimer in the
     17  1.3.8.2  martin  *    documentation and/or other materials provided with the distribution.
     18  1.3.8.2  martin  *
     19  1.3.8.2  martin  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.3.8.2  martin  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.3.8.2  martin  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.3.8.2  martin  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.3.8.2  martin  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.3.8.2  martin  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.3.8.2  martin  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.3.8.2  martin  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.3.8.2  martin  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.3.8.2  martin  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.3.8.2  martin  * POSSIBILITY OF SUCH DAMAGE.
     30  1.3.8.2  martin  */
     31  1.3.8.2  martin 
     32  1.3.8.2  martin #include <sys/cdefs.h>
     33  1.3.8.2  martin #if defined(LIBC_SCCS) && !defined(lint)
     34  1.3.8.2  martin __RCSID("$NetBSD: ulimit.c,v 1.3.8.2 2008/04/28 20:23:00 martin Exp $");
     35  1.3.8.2  martin #endif /* LIBC_SCCS and not lint */
     36  1.3.8.2  martin 
     37  1.3.8.2  martin #include <sys/resource.h>
     38  1.3.8.2  martin #include <errno.h>
     39  1.3.8.2  martin #include <stdarg.h>
     40  1.3.8.2  martin #include <ulimit.h>
     41  1.3.8.2  martin 
     42  1.3.8.2  martin long int
     43  1.3.8.2  martin ulimit(int cmd, ...)
     44  1.3.8.2  martin {
     45  1.3.8.2  martin 	va_list ap;
     46  1.3.8.2  martin 	struct rlimit rlimit;
     47  1.3.8.2  martin 	long int new_limit, result;
     48  1.3.8.2  martin 
     49  1.3.8.2  martin 	va_start(ap, cmd);
     50  1.3.8.2  martin 
     51  1.3.8.2  martin 	result = -1L;
     52  1.3.8.2  martin 	switch (cmd) {
     53  1.3.8.2  martin 	case UL_GETFSIZE:
     54  1.3.8.2  martin 		if (getrlimit(RLIMIT_FSIZE, &rlimit) == 0)
     55  1.3.8.2  martin 			result = (long int)(rlimit.rlim_cur / 512);
     56  1.3.8.2  martin 		break;
     57  1.3.8.2  martin 	case UL_SETFSIZE:
     58  1.3.8.2  martin 		new_limit = va_arg(ap, long int);
     59  1.3.8.2  martin 		rlimit.rlim_cur = rlimit.rlim_max = (rlim_t)new_limit * 512;
     60  1.3.8.2  martin 		if (setrlimit(RLIMIT_FSIZE, &rlimit) == 0)
     61  1.3.8.2  martin 			result = new_limit;
     62  1.3.8.2  martin 		break;
     63  1.3.8.2  martin 	default:
     64  1.3.8.2  martin 		errno = EINVAL;
     65  1.3.8.2  martin 	}
     66  1.3.8.2  martin 
     67  1.3.8.2  martin 	va_end(ap);
     68  1.3.8.2  martin 
     69  1.3.8.2  martin 	return (result);
     70  1.3.8.2  martin }
     71