(root)/
glibc-2.38/
string/
tst-strxfrm2.c
       1  #include <locale.h>
       2  #include <stdio.h>
       3  #include <string.h>
       4  
       5  int
       6  do_test (void)
       7  {
       8    static const char test_locale[] = "de_DE.UTF-8";
       9  
      10    int res = 0;
      11  
      12    char buf[20];
      13    size_t l1 = strxfrm (NULL, "ab", 0);
      14    size_t l2 = strxfrm (buf, "ab", 1);
      15    size_t l3 = strxfrm (buf, "ab", sizeof (buf));
      16    if (l3 < sizeof (buf) && strlen (buf) != l3)
      17      {
      18        puts ("C locale l3 test failed");
      19        res = 1;
      20      }
      21  
      22    size_t l4 = strxfrm (buf, "ab", l1 + 1);
      23    if (l4 < l1 + 1 && strlen (buf) != l4)
      24      {
      25        puts ("C locale l4 test failed");
      26        res = 1;
      27      }
      28  
      29    buf[l1] = 'Z';
      30    size_t l5 = strxfrm (buf, "ab", l1);
      31    if (buf[l1] != 'Z')
      32      {
      33        puts ("C locale l5 test failed");
      34        res = 1;
      35      }
      36  
      37    if (l1 != l2 || l1 != l3 || l1 != l4 || l1 != l5)
      38      {
      39        puts ("C locale retval test failed");
      40        res = 1;
      41      }
      42  
      43    if (setlocale (LC_ALL, test_locale) == NULL)
      44      {
      45        printf ("cannot set locale \"%s\"\n", test_locale);
      46        res = 1;
      47      }
      48    else
      49      {
      50        l1 = strxfrm (NULL, "ab", 0);
      51        l2 = strxfrm (buf, "ab", 1);
      52        l3 = strxfrm (buf, "ab", sizeof (buf));
      53        if (l3 < sizeof (buf) && strlen (buf) != l3)
      54  	{
      55  	  puts ("UTF-8 locale l3 test failed");
      56  	  res = 1;
      57  	}
      58  
      59        l4 = strxfrm (buf, "ab", l1 + 1);
      60        if (l4 < l1 + 1 && strlen (buf) != l4)
      61  	{
      62  	  puts ("UTF-8 locale l4 test failed");
      63  	  res = 1;
      64  	}
      65  
      66        buf[l1] = 'Z';
      67        l5 = strxfrm (buf, "ab", l1);
      68        if (buf[l1] != 'Z')
      69  	{
      70  	  puts ("UTF-8 locale l5 test failed");
      71  	  res = 1;
      72  	}
      73  
      74        if (l1 != l2 || l1 != l3 || l1 != l4 || l1 != l5)
      75  	{
      76  	  puts ("UTF-8 locale retval test failed");
      77  	  res = 1;
      78  	}
      79      }
      80  
      81    return res;
      82  }
      83  
      84  #include <support/test-driver.c>