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86e1d4729f
the names required by 1003.1-2001. The old names are retained for source compatibility with FreeBSD 5.0 and will be removed before 6.0.
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*-
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* Copyright (c) 2002 Kyle Martin <mkm@ieee.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <ulimit.h>
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long
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ulimit(int cmd, ...)
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{
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struct rlimit limit;
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va_list ap;
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long arg;
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if (cmd == UL_GETFSIZE) {
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if (getrlimit(RLIMIT_FSIZE, &limit) == -1)
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return (-1);
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limit.rlim_cur /= 512;
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if (limit.rlim_cur > LONG_MAX)
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return (LONG_MAX);
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return ((long)limit.rlim_cur);
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} else if (cmd == UL_SETFSIZE) {
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va_start(ap, cmd);
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arg = va_arg(ap, long);
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va_end(ap);
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limit.rlim_max = limit.rlim_cur = (rlim_t)arg * 512;
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/* The setrlimit() function sets errno to EPERM if needed. */
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if (setrlimit(RLIMIT_FSIZE, &limit) == -1)
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return (-1);
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if (arg * 512 > LONG_MAX)
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return (LONG_MAX);
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return (arg);
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} else {
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errno = EINVAL;
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return (-1);
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}
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}
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