1 /*
2  * Copyright (C) 2015 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 
17 /*
18  * Provide a series of proxy functions for basic file accessors.
19  * The behavior of these functions can be changed to return different
20  * errors under a variety of conditions.
21  */
22 
23 #ifndef _UPDATER_OTA_IO_H_
24 #define _UPDATER_OTA_IO_H_
25 
26 #include <stdio.h>
27 #include <sys/stat.h>
28 
29 #define OTAIO_CACHE_FNAME "/cache/saved.file"
30 
31 void ota_set_fault_files();
32 
33 int ota_open(const char* path, int oflags);
34 
35 int ota_open(const char* path, int oflags, mode_t mode);
36 
37 FILE* ota_fopen(const char* filename, const char* mode);
38 
39 int ota_close(int fd);
40 
41 int ota_fclose(FILE* fh);
42 
43 size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
44 
45 ssize_t ota_read(int fd, void* buf, size_t nbyte);
46 
47 size_t ota_fwrite(const void* ptr, size_t size, size_t count, FILE* stream);
48 
49 ssize_t ota_write(int fd, const void* buf, size_t nbyte);
50 
51 int ota_fsync(int fd);
52 
53 #endif
54