85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/* ****************************************************************************
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* comlist/builtin.c -- find out serial devices.
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* Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libcasio.
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* libcasio is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libcasio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************* */
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#include "../internals.h"
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#define NUM 5
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/* Correspondance type. */
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struct corresp {
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int _valid;
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casio_comlist_t *_comlist;
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};
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/* List of com listing functions. */
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CASIO_LOCAL struct corresp comlists[NUM + 1] = {
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#if defined(__linux__)
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{1, casio_comlist_linux},
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#elif defined(__WINDOWS__)
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{1, casio_comlist_windows},
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#elif defined(__APPLE__) && defined(__MACH__)
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{1, casio_comlist_macos},
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#endif
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{0, NULL}
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};
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/**
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* casio_add_default_comlist:
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* Add a default `comlist` function.
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*
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* @arg callback the callback.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_add_default_comlist(casio_comlist_t *function)
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{
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struct corresp *c; int num;
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for (c = comlists, num = NUM; c->_valid && num; c++, num--);
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if (!num) return (casio_error_op);
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c->_valid = 1;
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c->_comlist = function;
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return (0);
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}
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/**
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* casio_comlist:
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* List the communication ports.
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*
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* @arg callback the callback.
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* @arg cookie the cookie.
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* @return the error (if any).
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*/
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int CASIO_EXPORT casio_comlist(casio_list_com_t callback, void *cookie)
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{
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int err; struct corresp *c = comlists;
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if (!c->_valid)
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return (casio_error_op);
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for (; c->_valid; c++) {
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err = (*c->_comlist)(callback, cookie);
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if (!err) return (0);
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if (err != casio_error_nocalc)
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return (err);
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}
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return (casio_error_nocalc);
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}
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