projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b2abdfb | 1 | /*- |
| 9385eb3d | 2 | * Copyright (c) 2002 Kyle Martin <mkm@ieee.org> |
| 5b2abdfb A |
3 | * All rights reserved. |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * | |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 24 | * SUCH DAMAGE. | |
| 25 | * | |
| 9385eb3d | 26 | * $FreeBSD: src/lib/libc/gen/ulimit.c,v 1.3 2003/01/04 01:11:49 tjr Exp $ |
| 5b2abdfb | 27 | */ |
| 5b2abdfb | 28 | |
| 9385eb3d A |
29 | #include <sys/types.h> |
| 30 | #include <sys/time.h> | |
| 31 | #include <sys/resource.h> | |
| 32 | ||
| 33 | #include <errno.h> | |
| 34 | #include <limits.h> | |
| 35 | #include <stdarg.h> | |
| 36 | #include <ulimit.h> | |
| 37 | ||
| 38 | long | |
| 39 | ulimit(int cmd, ...) | |
| 5b2abdfb | 40 | { |
| 9385eb3d A |
41 | struct rlimit limit; |
| 42 | va_list ap; | |
| 43 | long arg; | |
| 44 | ||
| 45 | if (cmd == UL_GETFSIZE) { | |
| 46 | if (getrlimit(RLIMIT_FSIZE, &limit) == -1) | |
| 47 | return (-1); | |
| 48 | limit.rlim_cur /= 512; | |
| 49 | if (limit.rlim_cur > LONG_MAX) | |
| 50 | return (LONG_MAX); | |
| 51 | return ((long)limit.rlim_cur); | |
| 52 | } else if (cmd == UL_SETFSIZE) { | |
| 53 | va_start(ap, cmd); | |
| 54 | arg = va_arg(ap, long); | |
| 55 | va_end(ap); | |
| 56 | limit.rlim_max = limit.rlim_cur = (rlim_t)arg * 512; | |
| 5b2abdfb | 57 | |
| 9385eb3d A |
58 | /* The setrlimit() function sets errno to EPERM if needed. */ |
| 59 | if (setrlimit(RLIMIT_FSIZE, &limit) == -1) | |
| 60 | return (-1); | |
| 61 | if (arg * 512 > LONG_MAX) | |
| 62 | return (LONG_MAX); | |
| 63 | return (arg); | |
| 64 | } else { | |
| 65 | errno = EINVAL; | |
| 66 | return (-1); | |
| 67 | } | |
| 5b2abdfb | 68 | } |