posix/bug-regex5.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stdint.h>
   4 #include <locale.h>
   5 #include <locale/localeinfo.h>
   6
   7 int
   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 != 4)
  57     {
  58       printf ("expected 4 collating elements, found %d\n", found);
  59       return 1;
  60     }
  61
  62   return 0;
  63 }