Function fdt_fd_get

components/dfs/dfs_v1/src/dfs.c:343–365

 */

struct dfs_file *fdt_fd_get(struct dfs_fdtable* fdt, int fd)
{
    struct dfs_file *d;

    if (fd < 0 || fd >= (int)fdt->maxfd)
    {
        return NULL;
    }

    dfs_file_lock();
    d = fdt->fds[fd];

    /* check dfs_file valid or not */
    if ((d == NULL) || (d->magic != DFS_FD_MAGIC))
    {
        dfs_file_unlock();
        return NULL;
    }

    dfs_file_unlock();

    return d;
}

struct dfs_file *fd_get(int fd)
{