#include <errno.h>

#include <ftw.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

static int cb_called;

static int

cb (const char *fname, const struct stat *st, int flag)

{

  printf ("%s %d\n", fname, flag);

  cb_called = 1;

  return 0;

}

int

main (void)

{

  char tmp[] = "/tmp/ftwXXXXXX";

  char tmp2[] = "/tmp/ftwXXXXXX/ftwXXXXXX";

  char *dname;

  char *dname2;

  int r;

  int e;

  if (getuid () == 0)

    {

      puts ("this test needs to be run by ordinary user");

      exit (0);

    }

  dname = mkdtemp (tmp);

  if (dname == NULL)

    {

      printf ("mkdtemp: %m\n");

      exit (1);

    }

  memcpy (tmp2, tmp, strlen (tmp));

  dname2 = mkdtemp (tmp2);

  if (dname2 == NULL)

    {

      printf ("mkdtemp: %m\n");

      rmdir (dname);

      exit (1);

    }

  if (chmod (dname, S_IWUSR|S_IWGRP|S_IWOTH) != 0)

    {

      printf ("chmod: %m\n");

      rmdir (dname);

      exit (1);

    }

  r = ftw (dname2, cb, 10);

  e = errno;

  printf ("r = %d", r);

  if (r != 0)

    printf (", errno = %d", errno);

  puts ("");

  chmod (dname, S_IRWXU|S_IRWXG|S_IRWXO);

  rmdir (dname2);

  rmdir (dname);

  return (r != -1 && e == EACCES) || cb_called;

}