48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#if HAVE_BZIP2
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#include <bzlib.h>
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#endif
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#include <lzma.h>
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#include <sys/types.h>
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#include <zlib.h>
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#include "macro.h"
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typedef enum ImportCompressType {
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IMPORT_COMPRESS_UNKNOWN,
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IMPORT_COMPRESS_UNCOMPRESSED,
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IMPORT_COMPRESS_XZ,
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IMPORT_COMPRESS_GZIP,
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IMPORT_COMPRESS_BZIP2,
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_IMPORT_COMPRESS_TYPE_MAX,
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_IMPORT_COMPRESS_TYPE_INVALID = -1,
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} ImportCompressType;
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typedef struct ImportCompress {
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ImportCompressType type;
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bool encoding;
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union {
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lzma_stream xz;
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z_stream gzip;
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#if HAVE_BZIP2
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bz_stream bzip2;
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#endif
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};
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} ImportCompress;
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typedef int (*ImportCompressCallback)(const void *data, size_t size, void *userdata);
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void import_compress_free(ImportCompress *c);
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int import_uncompress_detect(ImportCompress *c, const void *data, size_t size);
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int import_uncompress(ImportCompress *c, const void *data, size_t size, ImportCompressCallback callback, void *userdata);
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int import_compress_init(ImportCompress *c, ImportCompressType t);
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int import_compress(ImportCompress *c, const void *data, size_t size, void **buffer, size_t *buffer_size, size_t *buffer_allocated);
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int import_compress_finish(ImportCompress *c, void **buffer, size_t *buffer_size, size_t *buffer_allocated);
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const char* import_compress_type_to_string(ImportCompressType t) _const_;
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ImportCompressType import_compress_type_from_string(const char *s) _pure_;
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