memcheck/tests/wcs.c

   1 // Uses various wchar_t * functions that have hand written SSE assembly
   2 // implementations in glibc. wcslen, wcscpy, wcscmp, wcsrchr, wcschr.
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <wchar.h>
   7
   8 int main(int argc, char **argv)
   9 {
  10   wchar_t a[] = L"The spazzy orange tiger jumped over the tawny jaguar.";
  11   wchar_t *b, *c;
  12   wchar_t *d, *e;
  13
  14   size_t l = wcslen (a);
  15   fprintf (stderr, "wcslen: %zd\n", l); // wcslen: 53
  16
  17   b = (wchar_t *) malloc((l + 1) * sizeof (wchar_t));
  18   c = wcscpy (b, a);
  19
  20   fprintf (stderr, "wcscmp equal: %d\n", wcscmp (a, b)); // wcscmp equal: 0
  21
  22   d = wcsrchr (a, L'd');
  23   e = wcschr (a, L'd');
  24
  25   fprintf (stderr, "wcsrchr == wcschr: %d\n", d == e); // wcsrchr == wcschr: 1
  26
  27   free (c); // b == c
  28   return 0;
  29 }