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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Provide a series of proxy functions for basic file accessors.
* The behavior of these functions can be changed to return different
* errors under a variety of conditions.
*/
#ifndef _UPDATER_OTA_IO_H_
#define _UPDATER_OTA_IO_H_
#include <stddef.h>
#include <stdio.h>
#include <sys/stat.h> // mode_t
#include <memory>
#include <android-base/unique_fd.h>
#define OTAIO_CACHE_FNAME "/cache/saved.file"
void ota_set_fault_files();
int ota_open(const char* path, int oflags);
int ota_open(const char* path, int oflags, mode_t mode);
FILE* ota_fopen(const char* filename, const char* mode);
size_t ota_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
ssize_t ota_read(int fd, void* buf, size_t nbyte);
size_t ota_fwrite(const void* ptr, size_t size, size_t count, FILE* stream);
ssize_t ota_write(int fd, const void* buf, size_t nbyte);
int ota_fsync(int fd);
struct OtaCloser {
static void Close(int);
};
using unique_fd = android::base::unique_fd_impl<OtaCloser>;
int ota_close(unique_fd& fd);
struct OtaFcloser {
void operator()(FILE*) const;
};
using unique_file = std::unique_ptr<FILE, OtaFcloser>;
int ota_fclose(unique_file& fh);
#endif
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