1*0a6a1f1dSLionel Sambuc /* $NetBSD: fdiscard.c,v 1.1 2014/09/25 15:08:29 manu Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2014 The NetBSD Foundation, Inc.
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*0a6a1f1dSLionel Sambuc * by Emmanuel Dreyfus.
9*0a6a1f1dSLionel Sambuc *
10*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
12*0a6a1f1dSLionel Sambuc * are met:
13*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
18*0a6a1f1dSLionel Sambuc * 3. The name of the author may not be used to endorse or promote products
19*0a6a1f1dSLionel Sambuc * derived from this software without specific prior written permission.
20*0a6a1f1dSLionel Sambuc *
21*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22*0a6a1f1dSLionel Sambuc * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23*0a6a1f1dSLionel Sambuc * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24*0a6a1f1dSLionel Sambuc * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25*0a6a1f1dSLionel Sambuc * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26*0a6a1f1dSLionel Sambuc * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27*0a6a1f1dSLionel Sambuc * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28*0a6a1f1dSLionel Sambuc * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29*0a6a1f1dSLionel Sambuc * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30*0a6a1f1dSLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31*0a6a1f1dSLionel Sambuc * SUCH DAMAGE.
32*0a6a1f1dSLionel Sambuc */
33*0a6a1f1dSLionel Sambuc
34*0a6a1f1dSLionel Sambuc #include <sys/cdefs.h>
35*0a6a1f1dSLionel Sambuc #if defined(LIBC_SCCS) && !defined(lint)
36*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: fdiscard.c,v 1.1 2014/09/25 15:08:29 manu Exp $");
37*0a6a1f1dSLionel Sambuc #endif /* LIBC_SCCS and not lint */
38*0a6a1f1dSLionel Sambuc
39*0a6a1f1dSLionel Sambuc #include <sys/types.h>
40*0a6a1f1dSLionel Sambuc #include <sys/syscall.h>
41*0a6a1f1dSLionel Sambuc #include <unistd.h>
42*0a6a1f1dSLionel Sambuc
43*0a6a1f1dSLionel Sambuc int __fdiscard(int, int, off_t, off_t);
44*0a6a1f1dSLionel Sambuc
45*0a6a1f1dSLionel Sambuc /*
46*0a6a1f1dSLionel Sambuc * 64-bit offset padding required for gcc 1.x
47*0a6a1f1dSLionel Sambuc */
48*0a6a1f1dSLionel Sambuc int
fdiscard(int fd,off_t off,off_t len)49*0a6a1f1dSLionel Sambuc fdiscard(int fd, off_t off, off_t len)
50*0a6a1f1dSLionel Sambuc {
51*0a6a1f1dSLionel Sambuc return __fdiscard(fd, 0, off, len);
52*0a6a1f1dSLionel Sambuc }
53