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/*
* Copyright 2019 Intel Corporation
* SPDX-License-Identifier: MIT
*
* File operations helpers
*/
#ifndef _OS_FILE_H_
#define _OS_FILE_H_
#include <stdbool.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Create a new file and opens it for writing-only.
* If the given filename already exists, nothing is done and NULL is returned.
* `errno` gets set to the failure reason; if that is not EEXIST, the caller
* might want to do something other than trying again.
*/
FILE *
os_file_create_unique(const char *filename, int filemode);
/*
* Read a file.
* Returns a char* that the caller must free(), or NULL and sets errno.
*/
char *
os_read_file(const char *filename);
/*
* Returns true if the two file descriptors passed in can be determined to
* reference the same file description, false otherwise
*/
bool
os_same_file_description(int fd1, int fd2);
#ifdef __cplusplus
}
#endif
#endif /* _OS_FILE_H_ */
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