-/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1994-2015 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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ 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
-Library General Public License for more details.
+ 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 Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <hurd.h>
#include <hurd/fd.h>
else if (size <= first_fd)
size = first_fd + 1;
+ if (size * sizeof (*_hurd_dtable) < size)
+ {
+ /* Integer overflow! */
+ errno = ENOMEM;
+ goto out;
+ }
+
/* If we fail to allocate that, decrement the desired size
until we succeed in allocating it. */
do
/* Go back to the loop to initialize the first new slot. */
goto search;
}
+ else
+ errno = ENOMEM;
}
else
errno = EMFILE;
else
errno = EINVAL; /* Bogus FIRST_FD value. */
+ out:
__mutex_unlock (&_hurd_dtable_lock);
_hurd_critical_section_unlock (crit);