localedata/bug-usesetlocale.c

   1 /* Test case for setlocale vs uselocale (LC_GLOBAL_LOCALE) bug.  */
   2
   3 #define _GNU_SOURCE 1
   4 #include <locale.h>
   5 #include <stdio.h>
   6 #include <ctype.h>
   7
   8 static int
   9 do_test (void)
  10 {
  11   __locale_t loc_new, loc_old;
  12
  13   int first = !!isalpha(0xE4);
  14
  15   setlocale (LC_ALL, "de_DE");
  16
  17   int global_de = !!isalpha(0xE4);
  18
  19   loc_new = newlocale (1 << LC_ALL, "C", 0);
  20   loc_old = uselocale (loc_new);
  21
  22   int used_c = !!isalpha(0xE4);
  23
  24   uselocale (loc_old);
  25
  26   int used_global = !!isalpha(0xE4);
  27
  28   printf ("started %d, after setlocale %d\n", first, global_de);
  29   printf ("after uselocale %d, after LC_GLOBAL_LOCALE %d\n",
  30           used_c, used_global);
  31
  32   freelocale (loc_new);
  33   return !(used_c == first && used_global == global_de);
  34 }
  35
  36
  37 #define TEST_FUNCTION do_test ()
  38 #include "test-skeleton.c"