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/* vi: set sw=4 ts=4: */
/*
* Copyright (C) 2003 by Erik Andersen <andersen@codpoet.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
* for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#define _GNU_SOURCE
#define _LARGEFILE64_SOURCE
#include <features.h>
#undef __OPTIMIZE__
/* We absolutely do _NOT_ want interfaces silently
* * * renamed under us or very bad things will happen... */
#ifdef __USE_FILE_OFFSET64
# undef __USE_FILE_OFFSET64
#endif
#ifdef __NR_ulimit
#include <sys/types.h>
#include <sys/syscall.h>
_syscall2(long, ulimit, int, cmd, int, arg);
#else
#include <stdarg.h>
#include <unistd.h>
#include <ulimit.h>
#include <errno.h>
#include <sys/resource.h>
long int ulimit(int cmd, ...)
{
va_list va;
struct rlimit limit;
long int result = -1;
va_start (va, cmd);
switch (cmd) {
/* Get limit on file size. */
case UL_GETFSIZE:
if (getrlimit(RLIMIT_FSIZE, &limit) == 0)
result = limit.rlim_cur / 512; /* bytes to 512 byte blocksize */
break;
/* Set limit on file size. */
case UL_SETFSIZE:
result = va_arg (va, long int);
if ((rlim_t) result > RLIM_INFINITY / 512) {
limit.rlim_cur = RLIM_INFINITY;
limit.rlim_max = RLIM_INFINITY;
} else {
limit.rlim_cur = result * 512;
limit.rlim_max = result * 512;
}
result = setrlimit(RLIMIT_FSIZE, &limit);
break;
case __UL_GETOPENMAX:
result = sysconf(_SC_OPEN_MAX);
break;
default:
__set_errno(EINVAL);
}
va_end (va);
return result;
}
#endif
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