[thirdparty/glibc.git] / debug / fdelt_chk.c

/* Copyright (C) 2011-2018 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
   <http://www.gnu.org/licenses/>.  */

#include <sys/select.h>


long int
__fdelt_chk (long int d)
{
  if (d < 0 || d >= FD_SETSIZE)
    __chk_fail ();

  return d / __NFDBITS;
}
strong_alias (__fdelt_chk, __fdelt_warn)
Commit	Line	Data
688903eb	1	/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
a0f33f99 UD	2	This file is part of the GNU C Library.
	3
	4	The GNU C Library is free software; you can redistribute it and/or
	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	Lesser General Public License for more details.
	13
	14	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	15	License along with the GNU C Library; if not, see
59ba27a6 PE	16	<http://www.gnu.org/licenses/>. */
a0f33f99 UD	17
	18	#include <sys/select.h>
	19
	20
ceb9e56b PP	21	long int
ceb9e56b PP	22	__fdelt_chk (long int d)
a0f33f99	23	{
ceb9e56b	24	if (d < 0 \|\| d >= FD_SETSIZE)
a0f33f99 UD	25	__chk_fail ();
	26
	27	return d / __NFDBITS;
	28	}
	29	strong_alias (__fdelt_chk, __fdelt_warn)