1 /*
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright © 2020 Keith Packard
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above
14  *    copyright notice, this list of conditions and the following
15  *    disclaimer in the documentation and/or other materials provided
16  *    with the distribution.
17  *
18  * 3. Neither the name of the copyright holder nor the names of its
19  *    contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
33  * OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <stdlib.h>
37 #include <limits.h>
38 #include <semihost.h>
39 
40 int
main(void)41 main(void)
42 {
43 	int	ret = 0;
44 	char	pathname[PATH_MAX];
45 	int	identifier;
46 	int	fd;
47 
48 	for (identifier = 0; identifier <= 255; identifier++) {
49 		ret = sys_semihost_tmpnam(pathname, identifier, PATH_MAX);
50 		if (ret == 0)
51 			break;
52 	}
53 	if (ret != 0) {
54 		printf("tmpnam fails, ret %d, errno %d\n", ret, sys_semihost_errno());
55 		exit(1);
56 	}
57 	printf("using tmpname \"%s\"\n", pathname);
58 	fd = sys_semihost_open(pathname, 4);
59 	if (fd < -1) {
60 		printf("open fails, ret %d errno %d\n", fd, sys_semihost_errno());
61 		exit(2);
62 	}
63 	ret = sys_semihost_close(fd);
64 	if (ret != 0) {
65 		printf("close fails, ret %d errno %d\n", ret, sys_semihost_errno());
66 		exit(3);
67 	}
68 	ret = sys_semihost_remove(pathname);
69 	if (ret != 0) {
70 		printf("remove fails, ret %d, errno %d\n", ret, sys_semihost_errno());
71 		exit(4);
72 	}
73 	exit(0);
74 }
75