1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #ifndef COMPAT_FCNTL_H
17 #define COMPAT_FCNTL_H
18
19 #include <fcntl.h>
20
21 #include <errno.h>
22 #include <sys/cdefs.h>
23
24 /*
25 * zircon does not support this operation.
26 *
27 * This is super hacky: supply a function that takes a long * and explicitly
28 * cast to loff_t, which on Fuchsia is long long. This is safe on Fuchsia but
29 * obviously not portable, yet it allows us to leave libcore code alone.
30 */
splice(int fd_in,long * off_in,int fd_out,long * off_out,size_t len,unsigned int flags)31 ssize_t splice(int fd_in, long *off_in, int fd_out,
32 long *off_out, size_t len, unsigned int flags) {
33 return splice(fd_in, (loff_t *)off_in, fd_out, (loff_t *)off_out, len, flags);
34 }
35
splice(int fd_in __UNUSED,loff_t * off_in __UNUSED,int fd_out __UNUSED,loff_t * off_out __UNUSED,size_t len __UNUSED,unsigned int flags __UNUSED)36 ssize_t splice(int fd_in __UNUSED, loff_t *off_in __UNUSED, int fd_out __UNUSED,
37 loff_t *off_out __UNUSED, size_t len __UNUSED, unsigned int flags __UNUSED) {
38 errno = EINVAL;
39 return -1;
40 }
41
42 #endif // COMPAT_FCNTL_H
43