1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/compiler.h>
3 #include <linux/kernel.h>
4 #include "tests.h"
5 #include "debug.h"
6 #include "print_binary.h"
7
test__is_printable_array(struct test * test __maybe_unused,int subtest __maybe_unused)8 int test__is_printable_array(struct test *test __maybe_unused, int subtest __maybe_unused)
9 {
10 char buf1[] = { 'k', 'r', 4, 'v', 'a', 0 };
11 char buf2[] = { 'k', 'r', 'a', 'v', 4, 0 };
12 struct {
13 char *buf;
14 unsigned int len;
15 int ret;
16 } t[] = {
17 { (char *) "krava", sizeof("krava"), 1 },
18 { (char *) "krava", sizeof("krava") - 1, 0 },
19 { (char *) "", sizeof(""), 1 },
20 { (char *) "", 0, 0 },
21 { NULL, 0, 0 },
22 { buf1, sizeof(buf1), 0 },
23 { buf2, sizeof(buf2), 0 },
24 };
25 unsigned int i;
26
27 for (i = 0; i < ARRAY_SIZE(t); i++) {
28 int ret;
29
30 ret = is_printable_array((char *) t[i].buf, t[i].len);
31 if (ret != t[i].ret) {
32 pr_err("failed: test %u\n", i);
33 return TEST_FAIL;
34 }
35 }
36
37 return TEST_OK;
38 }
39