LXR linux/tools/perf/tests/is_printable

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