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/* libquvi
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* Copyright (C) 2013 Toni Gundogdu <legatvs@gmail.com>
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*
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* This file is part of libquvi <http://quvi.sourceforge.net/>.
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library 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. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General
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* Public License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/** @file subtitle_lang_next.c */
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#include "config.h"
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#include <glib.h>
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#include "quvi.h"
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/* -- */
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#include "_quvi_s.h"
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#include "_quvi_subtitle_s.h"
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/** @brief Traverse to next available language @ref sub_type
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@return NULL if none was found
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@sa @ref parse_subtitle
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@ingroup @ref subprop
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*/
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const quvi_subtitle_lang_t quvi_subtitle_lang_next(quvi_subtitle_type_t handle)
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{
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_quvi_subtitle_type_t qst = (_quvi_subtitle_type_t) handle;
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/* If G_DISABLE_CHECKS is defined then the check is not performed. */
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g_return_val_if_fail(handle != NULL, QUVI_FALSE);
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qst->curr.language = (qst->curr.language != NULL)
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? g_slist_next(qst->curr.language)
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: qst->languages;
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return ((qst->curr.language != NULL)
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? qst->curr.language->data
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: NULL);
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}
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/* vim: set ts=2 sw=2 tw=72 expandtab: */
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