/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #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 <sys/types.h> #include <lzma.h> #include <zlib.h> #include <bzlib.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_;