libexplain/buffer/v4l2_control.h

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/*
 * libexplain - a library of system-call-specific strerror replacements
 * Copyright (C) 2011, 2013 Peter Miller
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LIBEXPLAIN_BUFFER_V4L2_CONTROL_H
#define LIBEXPLAIN_BUFFER_V4L2_CONTROL_H

#include <libexplain/string_buffer.h>

struct v4l2_control; /* forward */

void explain_buffer_v4l2_control(explain_string_buffer_t *sb,
        const struct v4l2_control *data, int extra, int fildes);

enum explain_v4l2_control_check_id_t
{
    explain_v4l2_control_check_id_no_idea,
    explain_v4l2_control_check_id_nosuch,
    explain_v4l2_control_check_id_notsup,
    explain_v4l2_control_check_id_ok
};

enum explain_v4l2_control_check_id_t explain_v4l2_control_check_id(int fildes,
    const struct v4l2_control *data);

#endif /* LIBEXPLAIN_BUFFER_V4L2_CONTROL_H */
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