56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* *****************************************************************************
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* decode/mcs/program.c -- decode an MCS program.
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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 libg1m.
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* libg1m 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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* libg1m 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 libg1m; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************** */
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#include <libg1m/internals.h>
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/**
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* g1m_decode_mcs_program:
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* Decode a program.
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*
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* @arg handle the handle.
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* @arg buffer the buffer to read from.
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* @arg length the data length.
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* @return the error code (0 if ok).
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*/
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int g1m_decode_mcs_program(g1m_mcsfile_t *handle, g1m_buffer_t *buffer,
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uint_fast32_t length)
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{
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/* read header */
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DREAD(hd, mcs_programheader)
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/* print header data */
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log_info("Program password is '%.8s'.", hd.password);
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/* store info */
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strncpy(handle->password, (char*)hd.password, 8);
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handle->password[8] = 0;
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/* get content */
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size_t content_size = length - sizeof(struct mcs_programheader);
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log_info("Getting program content (%" PRIuSIZE "o)", content_size);
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handle->content = malloc(content_size + 1);
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handle->head.size = content_size + 1;
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if (!handle->content) return (g1m_error_alloc);
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READ(handle->content, content_size);
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handle->content[content_size] = 0;
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/* no error */
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return (0);
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}
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