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/* Close a range of file descriptors.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdbool.h>
#include <stdio.h>
#include <sys/param.h>
#include <unistd.h>
void
__closefrom (int lowfd)
{
int l = MAX (0, lowfd);
int r = __close_range (l, ~0U, 0);
if (r == 0)
return ;
if (!__closefrom_fallback (l, true))
__fortify_fail ("closefrom failed to close a file descriptor");
}
weak_alias (__closefrom, closefrom)
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