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/* Copyright 2013-2015 IBM Corp.
*
* 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.
*/
#ifndef __LIBFLASH_FILE_H
#define __LIBFLASH_FILE_H
#include <stdbool.h>
#include "blocklevel.h"
/*
* Blockevel functions created leave errno set on errors, as these calls
* often boil down to standard read() and write() calls, inspecting errno
* may prove useful
*/
int file_init(int fd, struct blocklevel_device **bl);
void file_exit(struct blocklevel_device *bl);
/*
* file_init_path() is a convenience wrapper which will open the path and call
* file_init(). The call to open happens with O_RDWR and no additional flags
* Because file_exit() doesn't close the file descriptor, file_init_path()
* makes it available.
*/
int file_init_path(const char *path, int *fd, bool keep_alive, struct blocklevel_device **bl);
/*
* file_exit_close is a convenience wrapper which will close the open
* file descriptor and call file_exit().
*/
void file_exit_close(struct blocklevel_device *bl);
#endif /* __LIBFLASH_FILE_H */
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