Function hostfs_bind

fs/hostfs/hostfs.c:1028–1115

 ****************************************************************************/

static int hostfs_bind(FAR struct inode *blkdriver, FAR const void *data,
                       FAR void **handle)
{
  FAR struct hostfs_mountpt_s *fs;
  FAR char *options;
  FAR char *saveptr;
  FAR char *ptr;
  int len;
  int ret;

  /* Validate the block driver is NULL */

  if (blkdriver || !data)
    {
      return -ENODEV;
    }

  /* Create an instance of the mountpt state structure */

  fs = (FAR struct hostfs_mountpt_s *)
    fs_heap_zalloc(sizeof(struct hostfs_mountpt_s));

  if (fs == NULL)
    {
      return -ENOMEM;
    }

  /* The options we support are:
   *  "fs=whatever", remote dir
   */

  options = fs_heap_strdup(data);
  if (!options)
    {
      fs_heap_free(fs);
      return -ENOMEM;
    }

  ptr = strtok_r(options, ",", &saveptr);
  while (ptr != NULL)
    {
      if ((strncmp(ptr, "fs=", 3) == 0))
        {
          strlcpy(fs->fs_root, &ptr[3], sizeof(fs->fs_root));
        }

      ptr = strtok_r(NULL, ",", &saveptr);
    }

  fs_heap_free(options);

  /* Take the lock for the mount */

  ret = nxmutex_lock(&g_lock);
  if (ret < 0)
    {
      fs_heap_free(fs);
      return ret;