1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 21 unchanged lines hidden (view full) ---

30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38#if 0
39static char sccsid[] = "@(#)fileno.c 8.1 (Berkeley) 6/4/93";
40#endif
41static const char rcsid[] =
42 "$FreeBSD: head/lib/libc/stdio/fileno.c 72373 2001-02-11 22:06:43Z deischen $";
43#endif /* LIBC_SCCS and not lint */
44
45#include <stdio.h>
46
47/*
48 * fileno has traditionally been a macro in <stdio.h>. That is
49 * no longer true because it needs to be thread-safe.
50 *
51 * #undef fileno
52 */
53int
54fileno(FILE *fp)
55{
56 /* ??? - Should probably use atomic_read. */
57 return (__sfileno(fp));
58}