glibc/signal/sigandset.c

39 lines
1.3 KiB
C

/* Copyright (C) 1991, 1996, 1997 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 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 the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <signal.h>
#define __need_NULL
#include <stddef.h>
/* Combine sets LEFT and RIGHT by logical AND and place result in DEST. */
int
sigandset (dest, left, right)
sigset_t *dest;
const sigset_t *left;
const sigset_t *right;
{
if (dest == NULL || left == NULL || right == NULL)
{
__set_errno (EINVAL);
return -1;
}
return __sigandset (dest, left, right);
}