| | 1 | /*- |
| | 2 | * Copyright (c) 2002 Kyle Martin <mkm@ieee.org> |
| | 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 | * |
| | 26 | * $FreeBSD: src/lib/libc/gen/ulimit.c,v 1.3 2003/01/04 01:11:49 tjr Exp $ |
| | 27 | */ |
| | 28 | |
| | 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, ...) |
| | 40 | { |
| | 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; |
| | 57 | |
| | 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 | } |
| | 68 | } |
projects / apple / libc.git / blame_incremental