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 <semihost.h>
38
39 #define TEST_FILE_NAME "SEMIFLEN.TXT"
40 #define TEST_STRING "hello, world"
41 #define TEST_STRING_LEN 12
42
43 int
main(void)44 main(void)
45 {
46 int fd;
47 uintptr_t not_written;
48 int code = 0;
49 int ret;
50 uintptr_t len;
51
52 fd = sys_semihost_open(TEST_FILE_NAME, SH_OPEN_W);
53 if (fd < 0) {
54 printf("open %s failed\n", TEST_FILE_NAME);
55 exit(1);
56 }
57 not_written = sys_semihost_write(fd, TEST_STRING, TEST_STRING_LEN);
58 if (not_written != 0) {
59 printf("write failed %ld %d\n", (long) not_written, sys_semihost_errno());
60 code = 2;
61 goto bail1;
62 }
63 ret = sys_semihost_close(fd);
64 fd = -1;
65 if (ret != 0) {
66 printf("close failed %d %d\n", ret, sys_semihost_errno());
67 code = 3;
68 goto bail1;
69 }
70 fd = sys_semihost_open(TEST_FILE_NAME, SH_OPEN_R);
71 if (fd < 0) {
72 printf("open %s failed\n", TEST_FILE_NAME);
73 code = 4;
74 goto bail1;
75 }
76 len = sys_semihost_flen(fd);
77 if (len != TEST_STRING_LEN) {
78 printf("flen failed %ld != %ld\n", (long) len, (long) TEST_STRING_LEN);
79 code = 5;
80 goto bail1;
81 }
82 bail1:
83 if (fd >= 0)
84 (void) sys_semihost_close(fd);
85 (void) sys_semihost_remove(TEST_FILE_NAME);
86 exit(code);
87 }
88