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Linux/tools/perf/tests/is_printable_array.c

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  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 }
 38 

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