76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/* ****************************************************************************
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* mcsfile/match.c -- check if two main memory files match.
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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 "mcsfile.h"
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/**
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* casio_match_mcsfiles:
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* Check if two main memory files match.
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*
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* @arg first the first head.
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* @arg second the second head.
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* @return 0 if they don't match, something else otherwise.
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*/
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int casio_match_mcsfiles(casio_mcshead_t *first, casio_mcshead_t *second)
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{
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unsigned long mcsfor;
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/* Check that the two heads are defined. */
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if (!first || !second) return (casio_error_invalid);
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/* Compare. */
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if (first->casio_mcshead_type != second->casio_mcshead_type)
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return (0);
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if (first->casio_mcshead_type) {
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if (casio_mcshead_uses_id(first)) {
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if (first->casio_mcshead_id != second->casio_mcshead_id)
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return (0);
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} else if (strcmp(first->casio_mcshead_name,
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second->casio_mcshead_name))
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return (0);
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} else {
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mcsfor = first->casio_mcshead_flags & casio_mcsfor_mask;
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if (mcsfor != (second->casio_mcshead_flags & casio_mcsfor_mask))
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return (0);
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switch (mcsfor) {
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case casio_mcsfor_mcs:
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if (strncmp(first->casio_mcshead_group,
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second->casio_mcshead_group, 16)
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|| strncmp(first->casio_mcshead_dirname,
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second->casio_mcshead_dirname, 8)
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|| strncmp(first->casio_mcshead_name,
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second->casio_mcshead_name, 8))
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return (0);
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break;
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case casio_mcsfor_cas:
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case casio_mcsfor_caspro:
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if (strncmp(first->casio_mcshead_datatype,
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second->casio_mcshead_datatype, 2))
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return (0);
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break;
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default: /* have a */ break /* have a kit kat */;
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}
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}
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/* They do match! */
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return (1);
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}
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