57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* ****************************************************************************
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* file/open.c -- open and decode a file.
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* Copyright (C) 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 "file.h"
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/**
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* casio_open_file:
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* Open and decode a file.
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*
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* FIXME: implement other interfaces than `FILE`, such as
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* platform-specific things like STREAMS or Windows files.
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*
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* @arg handle the handle to make.
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* @arg path the path to open.
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* @arg types the expected types (0 if none).
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_open_file(casio_file_t **handle, const char *path,
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casio_filetype_t expected_types)
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{
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int err; FILE *file = NULL;
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casio_stream_t *stream = NULL;
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/* Open the file using `stdio.h`. */
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file = fopen(path, "r");
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if (!file) return (casio_error_unknown);
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/* Open the stream. */
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err = casio_open_stream_file(&stream, file, file, 1, 1);
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if (err) { err = casio_error_alloc; goto fail; }
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/* Decode using this file. */
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err = casio_decode(handle, path, stream, expected_types);
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if (err) goto fail;
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err = 0;
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fail:
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if (stream) casio_close(stream);
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return (err);
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}
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