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Diffstat (limited to 'src/journal/compress.h')
-rw-r--r-- | src/journal/compress.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/journal/compress.h b/src/journal/compress.h deleted file mode 100644 index 6294f16faa..0000000000 --- a/src/journal/compress.h +++ /dev/null @@ -1,84 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -#pragma once - -/*** - This file is part of systemd. - - Copyright 2011 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 <unistd.h> - -#include "journal-def.h" - -const char* object_compressed_to_string(int compression); -int object_compressed_from_string(const char *compression); - -int compress_blob_xz(const void *src, uint64_t src_size, void *dst, size_t *dst_size); -int compress_blob_lz4(const void *src, uint64_t src_size, void *dst, size_t *dst_size); - -static inline int compress_blob(const void *src, uint64_t src_size, void *dst, size_t *dst_size) { - int r; -#ifdef HAVE_LZ4 - r = compress_blob_lz4(src, src_size, dst, dst_size); - if (r == 0) - return OBJECT_COMPRESSED_LZ4; -#else - r = compress_blob_xz(src, src_size, dst, dst_size); - if (r == 0) - return OBJECT_COMPRESSED_XZ; -#endif - return r; -} - -int decompress_blob_xz(const void *src, uint64_t src_size, - void **dst, size_t *dst_alloc_size, size_t* dst_size, size_t dst_max); -int decompress_blob_lz4(const void *src, uint64_t src_size, - void **dst, size_t *dst_alloc_size, size_t* dst_size, size_t dst_max); -int decompress_blob(int compression, - const void *src, uint64_t src_size, - void **dst, size_t *dst_alloc_size, size_t* dst_size, size_t dst_max); - -int decompress_startswith_xz(const void *src, uint64_t src_size, - void **buffer, size_t *buffer_size, - const void *prefix, size_t prefix_len, - uint8_t extra); -int decompress_startswith_lz4(const void *src, uint64_t src_size, - void **buffer, size_t *buffer_size, - const void *prefix, size_t prefix_len, - uint8_t extra); -int decompress_startswith(int compression, - const void *src, uint64_t src_size, - void **buffer, size_t *buffer_size, - const void *prefix, size_t prefix_len, - uint8_t extra); - -int compress_stream_xz(int fdf, int fdt, off_t max_bytes); -int compress_stream_lz4(int fdf, int fdt, off_t max_bytes); - -int decompress_stream_xz(int fdf, int fdt, off_t max_size); -int decompress_stream_lz4(int fdf, int fdt, off_t max_size); - -#ifdef HAVE_LZ4 -# define compress_stream compress_stream_lz4 -# define COMPRESSED_EXT ".lz4" -#else -# define compress_stream compress_stream_xz -# define COMPRESSED_EXT ".xz" -#endif - -int decompress_stream(const char *filename, int fdf, int fdt, off_t max_bytes); |