1 | /* Transfer data between file descriptors. Linux version. |
2 | Copyright (C) 2022-2023 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library 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 GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <sys/sendfile.h> |
20 | #include <stddef.h> |
21 | #include <errno.h> |
22 | #include <sysdep.h> |
23 | |
24 | /* Send COUNT bytes from file associated with IN_FD starting at OFFSET to |
25 | descriptor OUT_FD. */ |
26 | ssize_t |
27 | sendfile64 (int out_fd, int in_fd, off64_t *offset, size_t count) |
28 | { |
29 | #ifndef __NR_sendfile64 |
30 | # define __NR_sendfile64 __NR_sendfile |
31 | #endif |
32 | return INLINE_SYSCALL_CALL (sendfile64, out_fd, in_fd, offset, count); |
33 | } |
34 | |
35 | #ifdef __OFF_T_MATCHES_OFF64_T |
36 | strong_alias (sendfile64, sendfile) |
37 | #endif |
38 | |