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 <string.h>
38 #include <semihost.h>
39
40 #define TEST_FILE_NAME "SEMISEEK.TXT"
41 #define TEST_STRING "hello, world"
42 #define TEST_STRING_LEN 12
43 #define TEST_SEEK_POS 2
44
45 int
main(void)46 main(void)
47 {
48 int fd;
49 uintptr_t not_written;
50 int code = 0;
51 int ret;
52 uintptr_t not_read;
53 char buf[TEST_STRING_LEN + 10];
54
55 fd = sys_semihost_open(TEST_FILE_NAME, SH_OPEN_W);
56 if (fd < 0) {
57 printf("open %s failed\n", TEST_FILE_NAME);
58 exit(1);
59 }
60 not_written = sys_semihost_write(fd, TEST_STRING, TEST_STRING_LEN);
61 if (not_written != 0) {
62 printf("write failed %ld %d\n", (long) not_written, sys_semihost_errno());
63 code = 2;
64 goto bail1;
65 }
66 ret = sys_semihost_close(fd);
67 fd = -1;
68 if (ret != 0) {
69 printf("close failed %d %d\n", ret, sys_semihost_errno());
70 code = 3;
71 goto bail1;
72 }
73
74 fd = sys_semihost_open(TEST_FILE_NAME, SH_OPEN_R);
75 if (fd < 0) {
76 printf("open %s failed\n", TEST_FILE_NAME);
77 code = 4;
78 goto bail1;
79 }
80
81 ret = sys_semihost_seek(fd, TEST_SEEK_POS);
82 if (ret != 0) {
83 printf("seek failed %d %d\n", ret, sys_semihost_errno());
84 code = 5;
85 goto bail1;
86 }
87
88 not_read = sys_semihost_read(fd, buf, sizeof(buf));
89 if (sizeof (buf) - not_read != TEST_STRING_LEN - TEST_SEEK_POS) {
90 printf("read failed got %ld wanted %ld\n", (long) not_read,
91 (long) (sizeof(buf) - TEST_STRING_LEN + TEST_SEEK_POS));
92 code = 6;
93 goto bail1;
94 }
95 buf[TEST_STRING_LEN - TEST_SEEK_POS] = '\0';
96 if (memcmp(buf, &TEST_STRING[0] + TEST_SEEK_POS, TEST_STRING_LEN - TEST_SEEK_POS) != 0) {
97 printf("read bad contents got %s wanted %s\n",
98 buf, &TEST_STRING[0] + TEST_SEEK_POS);
99 code = 7;
100 goto bail1;
101 }
102 bail1:
103 if (fd >= 0)
104 (void) sys_semihost_close(fd);
105 (void) sys_semihost_remove(TEST_FILE_NAME);
106 exit(code);
107 }
108
