1 /* Dereived from the test case in BZ #2337.  */
2 #include <errno.h>
3 #include <error.h>
4 #include <fcntl.h>
5 #include <locale.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <unistd.h>
10 #include <wchar.h>
11 
12 
13 static char buf[512] __attribute__ ((aligned (4096)));
14 
15 
16 static int
do_test(void)17 do_test (void)
18 {
19   setlocale (LC_ALL, "de_DE.UTF-8");
20 
21   FILE *fp = fdopen (dup (STDOUT_FILENO), "a");
22   if (fp == NULL)
23     error (EXIT_FAILURE, errno, "fdopen(,\"a\")");
24 
25   setvbuf (fp, buf, _IOFBF, sizeof (buf));
26 
27   /* fwprintf to unbuffered stream.   */
28   fwprintf (fp, L"hello.\n");
29 
30   fclose (fp);
31 
32   /* touch my buffer */
33   buf[45] = 'a';
34 
35   return 0;
36 }
37 
38 #define TEST_FUNCTION do_test ()
39 #include "../test-skeleton.c"
40