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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2015 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <bzlib.h>
#include <lzma.h>
#include <sys/types.h>
#include <zlib.h>
#include "macro.h"
typedef enum ImportCompressType {
IMPORT_COMPRESS_UNKNOWN,
IMPORT_COMPRESS_UNCOMPRESSED,
IMPORT_COMPRESS_XZ,
IMPORT_COMPRESS_GZIP,
IMPORT_COMPRESS_BZIP2,
_IMPORT_COMPRESS_TYPE_MAX,
_IMPORT_COMPRESS_TYPE_INVALID = -1,
} ImportCompressType;
typedef struct ImportCompress {
ImportCompressType type;
bool encoding;
union {
lzma_stream xz;
z_stream gzip;
bz_stream bzip2;
};
} ImportCompress;
typedef int (*ImportCompressCallback)(const void *data, size_t size, void *userdata);
void import_compress_free(ImportCompress *c);
int import_uncompress_detect(ImportCompress *c, const void *data, size_t size);
int import_uncompress(ImportCompress *c, const void *data, size_t size, ImportCompressCallback callback, void *userdata);
int import_compress_init(ImportCompress *c, ImportCompressType t);
int import_compress(ImportCompress *c, const void *data, size_t size, void **buffer, size_t *buffer_size, size_t *buffer_allocated);
int import_compress_finish(ImportCompress *c, void **buffer, size_t *buffer_size, size_t *buffer_allocated);
const char* import_compress_type_to_string(ImportCompressType t) _const_;
ImportCompressType import_compress_type_from_string(const char *s) _pure_;
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