static void do_prepare (void);

#define PREPARE(argc, argv) do_prepare ()

static int do_test (void);

#define TEST_FUNCTION do_test ()

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

static char *fname;

static void

do_prepare (void)

{

  if (create_temp_file ("tst-getopt_long1", &fname) < 0)

    {

      printf ("cannot create temp file: %m\n");

      exit (1);

    }

}

static const struct option opts[] =

  {

    { "one", no_argument, NULL, '1' },

    { "two", no_argument, NULL, '2' },

    { "one-one", no_argument, NULL, '3' },

    { "four", no_argument, NULL, '4' },

    { "onto", no_argument, NULL, '5' },

    { NULL, 0, NULL, 0 }

  };

static int

do_test (void)

{

  if (freopen (fname, "w+", stderr) == NULL)

    {

      printf ("freopen failed: %m\n");

      return 1;

    }

  char *argv[] = { (char *) "program", (char *) "--on" };

  int argc = 2;

  int c = getopt_long (argc, argv, "12345", opts, NULL);

  printf ("return value: %c\n", c);

  rewind (stderr);

  char *line = NULL;

  size_t len = 0;

  if (getline (&line, &len, stderr) < 0)

    {

      printf ("cannot read stderr redirect: %m\n");

      return 1;

    }

  printf ("message = \"%s\"\n", line);

  static const char expected[] = "\

program: option '--on' is ambiguous; possibilities: '--one' '--one-one' '--onto'\n";

  return c != '?' || strcmp (line, expected) != 0;

}