tools/perf/tests/is_printable_array.c

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