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libcasio/lib/stream/list.c

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C

/* ****************************************************************************
* stream/list.c -- find out serial devices.
* Copyright (C) 2016-2018 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of libcasio.
* libcasio 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 3.0 of the License,
* or (at your option) any later version.
*
* libcasio 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 libcasio; if not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
#include "stream.h"
#if !defined(LIBCASIO_DISABLED_LINUX_SERIAL)
# define ISF &casio_iter_linux_serial
#elif !defined(LIBCASIO_DISABLED_WINDOWS)
# define ISF &casio_iter_windows_serial
#elif !defined(LIBCASIO_DISABLED_MAC_SERIAL)
# define ISF &casio_iter_mac_serial
#else
# define ISF NULL
#endif
CASIO_LOCAL casio_iter_serial_t *iter_serial_func = ISF;
/**
* casio_set_iter_serial_func:
* Set the function to iterate on serial devices.
*
* @arg func the function.
* @return the error code (0 if ok).
*/
int CASIO_EXPORT casio_set_iter_serial_func(casio_iter_serial_t *func)
{
iter_serial_func = func ? func : ISF;
return (0);
}
/**
* casio_iter_serial:
* Get available serial ports.
*
* @arg iterp the iterator to make.
* @return the error (if any).
*/
int CASIO_EXPORT casio_iter_serial(casio_iter_t **iterp)
{
if (!iter_serial_func)
return (casio_error_op);
return ((*iter_serial_func)(iterp));
}