af39994a59
Improved error handling of filter routines. Improved verbose logging.
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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* This file is a part of Pcompress, a chunked parallel multi-
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* algorithm lossless compression and decompression program.
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*
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* Copyright (C) 2012-2013 Moinak Ghosh. All rights reserved.
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* Use is subject to license terms.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser 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 program 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 GNU
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* 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
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* License along with this program.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* moinakg@belenix.org, http://moinakg.wordpress.com/
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*
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*/
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#ifndef _PC_ARCHIVE_FILTER_H
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#define _PC_ARCHIVE_FILTER_H
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include <archive.h>
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#include <archive_entry.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FILTER_RETURN_SKIP (1)
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#define FILTER_RETURN_ERROR (-1)
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#define FILTER_RETURN_SOFT_ERROR (-2)
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#define FILTER_XATTR_ENTRY "_._pc_filter_xattr"
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struct filter_info {
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struct archive *source_arc;
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struct archive *target_arc;
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struct archive_entry *entry;
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int fd;
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int compressing, block_size;
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int *type_ptr;
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};
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struct filter_flags {
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int enable_packjpg;
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int enable_wavpack;
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};
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typedef ssize_t (*filter_func_ptr)(struct filter_info *fi, void *filter_private);
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struct type_data {
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void *filter_private;
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filter_func_ptr filter_func;
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char *filter_name;
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};
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void add_filters_by_type(struct type_data *typetab, struct filter_flags *ff);
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int type_tag_from_filter_name(struct type_data *typetab, const char *fname,
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size_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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