compress.h revision 355b59e252c9910e44a1ad95c045ba8db58a4f6a
/*-*- 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 <inttypes.h>
#include <stdbool.h>
#include <unistd.h>
bool compress_blob(const void *src, uint64_t src_size, void *dst, uint64_t *dst_size);
bool uncompress_blob(const void *src, uint64_t src_size,
void **dst, uint64_t *dst_alloc_size, uint64_t* dst_size, uint64_t dst_max);
bool uncompress_startswith(const void *src, uint64_t src_size,
void **buffer, uint64_t *buffer_size,
const void *prefix, uint64_t prefix_len,
uint8_t extra);
int compress_stream(int fdf, int fdt, off_t max_size);
int decompress_stream(int fdf, int fdt, off_t max_size);