1  /* Make sure we don't test the optimized inline functions if we want to
       2     test the real implementation.  */
       3  #undef __USE_STRING_INLINES
       4  
       5  #include <stdio.h>
       6  #include <string.h>
       7  
       8  int
       9  do_test (void)
      10  {
      11    static const size_t lens[] = { 0, 1, 0, 2, 0, 1, 0, 3,
      12  				 0, 1, 0, 2, 0, 1, 0, 4 };
      13    char basebuf[24 + 32];
      14    size_t base;
      15  
      16    for (base = 0; base < 32; ++base)
      17      {
      18        char *buf = basebuf + base;
      19        size_t words;
      20  
      21        for (words = 0; words < 4; ++words)
      22  	{
      23  	  size_t last;
      24  	  memset (buf, 'a', words * 4);
      25  
      26  	  for (last = 0; last < 16; ++last)
      27  	    {
      28  	      buf[words * 4 + 0] = (last & 1) != 0 ? 'b' : '\0';
      29  	      buf[words * 4 + 1] = (last & 2) != 0 ? 'c' : '\0';
      30  	      buf[words * 4 + 2] = (last & 4) != 0 ? 'd' : '\0';
      31  	      buf[words * 4 + 3] = (last & 8) != 0 ? 'e' : '\0';
      32  	      buf[words * 4 + 4] = '\0';
      33  
      34  	      if (strlen (buf) != words * 4 + lens[last])
      35  		{
      36  		  printf ("\
      37  strlen failed for base=%zu, words=%zu, and last=%zu (is %zd, expected %zd)\n",
      38  			  base, words, last,
      39  			  strlen (buf), words * 4 + lens[last]);
      40  		  return 1;
      41  		}
      42  
      43  	      if (strnlen (buf, -1) != words * 4 + lens[last])
      44  		{
      45  		  printf ("\
      46  strnlen failed for base=%zu, words=%zu, and last=%zu (is %zd, expected %zd)\n",
      47  			  base, words, last,
      48  			  strnlen (buf, -1), words * 4 + lens[last]);
      49  		  return 1;
      50  		}
      51  	    }
      52  	}
      53      }
      54    return 0;
      55  }
      56  
      57  #include <support/test-driver.c>