50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* ****************************************************************************
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* fs/open.c -- open a libcasio filesystem.
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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 "fs.h"
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/**
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* casio_open_fs:
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* Open a filesystem.
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*
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* @arg pfs the filesystem to open.
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* @arg cookie the filesystem cookie.
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* @arg funcs the filesystem callbacks.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_open_fs(casio_filesystem_t **pfs,
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void *cookie, const casio_fsfuncs_t *funcs)
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{
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int err; casio_filesystem_t *fs;
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/* Allocate the filesystem. */
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*pfs = malloc(sizeof(casio_filesystem_t)); fs = *pfs;
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if (!fs) { err = casio_error_alloc; goto fail; }
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/* Copy the data into it. */
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fs->casio_filesystem_cookie = cookie;
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memcpy(&fs->casio_filesystem_functions, funcs, sizeof(casio_fsfuncs_t));
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return (0);
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fail:
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if (funcs->casio_fsfuncs_close)
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(*funcs->casio_fsfuncs_close)(cookie);
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return (err);
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}
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