tools/perf/tests/is_printable_array.c

   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
   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 }