1 #include <stdio.h>
2 #include <string.h>
3 #include <stdint.h>
4 #include <locale.h>
5 #include <locale/localeinfo.h>
6 
7 int
main(void)8 main (void)
9 {
10   int32_t table_size, idx, i, found;
11   const int32_t *symb_table;
12   const unsigned char *extra;
13   uint32_t nrules;
14   char *ca;
15   union locale_data_value u;
16 
17   ca = setlocale (LC_ALL, "da_DK.ISO-8859-1");
18   if (ca == NULL)
19     {
20       printf ("cannot set locale: %m\n");
21       return 1;
22     }
23   printf ("current locale : %s\n", ca);
24 
25   u.string = nl_langinfo (_NL_COLLATE_NRULES);
26   nrules = u.word;
27   if (nrules == 0)
28     {
29       printf("No rule\n");
30       return 1;
31     }
32 
33   u.string = nl_langinfo (_NL_COLLATE_SYMB_HASH_SIZEMB);
34   table_size = u.word;
35   symb_table = (const int32_t *) nl_langinfo (_NL_COLLATE_SYMB_TABLEMB);
36   extra = (const unsigned char *) nl_langinfo (_NL_COLLATE_SYMB_EXTRAMB);
37 
38   found = 0;
39   for (i = 0; i < table_size; ++i)
40     {
41       if (symb_table[2 * i] != 0)
42 	{
43 	  char elem[256];
44 	  idx = symb_table[2 * i + 1];
45 	  strncpy (elem, (const char *) (extra + idx + 1), extra[idx]);
46 	  elem[extra[idx]] = '\0';
47 	  printf ("Found a collating element: %s\n", elem);
48 	  ++found;
49 	}
50     }
51   if (found == 0)
52     {
53       printf ("No collating element!\n");
54       return 1;
55     }
56   else if (found != 6)
57     {
58       printf ("expected 6 collating elements, found %d\n", found);
59       return 1;
60     }
61 
62   return 0;
63 }
64