#include <error.h>

#include <mcheck.h>

#include <stdio.h>

#include <string.h>

#include <wchar.h>

#include <libc-diag.h>

static int

do_test (int argc, char *argv[])

{

  mtrace ();

  (void) freopen (argc == 1 ? "/dev/stdout" : argv[1], "a", stderr);

  /* Orient the stream.  */

  fwprintf (stderr, L"hello world\n");

  char buf[20000];

  static const char str[] = "hello world! ";

  for (int i = 0; i < 1000; ++i)

    memcpy (&buf[i * (sizeof (str) - 1)], str, sizeof (str));

  error (0, 0, str);

  /* We're testing a large format string here and need to generate it

     to avoid this source file being ridiculous.  So disable the warning

     about a generated format string.  */

  DIAG_PUSH_NEEDS_COMMENT;

  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-security");

  error (0, 0, buf);

  error (0, 0, buf);

  DIAG_POP_NEEDS_COMMENT;

  error (0, 0, str);

  return 0;

}

#define TEST_FUNCTION do_test (argc, argv)

#include "../test-skeleton.c"