xref: /openbmc/hiomapd/test/tmpf.h (revision f1e547c7)
1 /* SPDX-License-Identifier: Apache-2.0 */
2 /* Copyright (C) 2018 IBM Corp. */
3 
4 #ifndef MBOX_TEST_UTILS_H
5 #define MBOX_TEST_UTILS_H
6 
7 #include <linux/limits.h>
8 
9 struct tmpf {
10 	int fd;
11 	char path[PATH_MAX];
12 };
13 
14 /**
15  * Initialise a tmpf instance for use, creating a temporary file.
16  *
17  * @tmpf: A context to initialise with the provided template
18  * @template_str: A file basename in mkstemp(3) template form
19  *
20  * Returns 0 on success, or -1 on error with errno set appropriately
21  */
22 int tmpf_init(struct tmpf *tmpf, const char *template_str);
23 
24 /**
25  * Destroy a tmpf instance, closing the file descriptor and removing the
26  * temporary file.
27  */
28 void tmpf_destroy(struct tmpf *tmpf);
29 
30 #endif /* MBOX_TEST_UTILS_H */
31