1/* MiniDLNA media server
2 * Copyright (C) 2013  NETGEAR
3 *
4 * This file is part of MiniDLNA.
5 *
6 * MiniDLNA is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * MiniDLNA is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with MiniDLNA. If not, see <http://www.gnu.org/licenses/>.
17 */
18#if defined(HAVE_LINUX_SENDFILE_API)
19
20#include <sys/sendfile.h>
21
22int sys_sendfile(int sock, int sendfd, off_t *offset, off_t len)
23{
24	return sendfile(sock, sendfd, offset, len);
25}
26
27#elif defined(HAVE_DARWIN_SENDFILE_API)
28
29#include <sys/types.h>
30#include <sys/socket.h>
31#include <sys/uio.h>
32
33int sys_sendfile(int sock, int sendfd, off_t *offset, off_t len)
34{
35	int ret;
36
37	ret = sendfile(sendfd, sock, *offset, &len, NULL, 0);
38	*offset += len;
39
40	return ret;
41}
42
43#elif defined(HAVE_FREEBSD_SENDFILE_API)
44
45#include <sys/types.h>
46#include <sys/socket.h>
47#include <sys/uio.h>
48
49int sys_sendfile(int sock, int sendfd, off_t *offset, off_t len)
50{
51	int ret;
52	size_t nbytes = len;
53
54	ret = sendfile(sendfd, sock, *offset, nbytes, NULL, &len, SF_MNOWAIT);
55	*offset += len;
56
57	return ret;
58}
59
60#else
61
62#include <errno.h>
63
64int sys_sendfile(int sock, int sendfd, off_t *offset, off_t len)
65{
66	errno = EINVAL;
67	return -1;
68}
69
70#endif
71