tor/src/lib/compress/compress_zlib.h
2018-06-21 13:08:25 -04:00

47 lines
1.4 KiB
C

/* Copyright (c) 2003, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file compress_zlib.h
* \brief Header for compress_zlib.c
**/
#ifndef TOR_COMPRESS_ZLIB_H
#define TOR_COMPRESS_ZLIB_H
int tor_zlib_method_supported(void);
const char *tor_zlib_get_version_str(void);
const char *tor_zlib_get_header_version_str(void);
/** Internal state for an incremental zlib/gzip compression/decompression. */
typedef struct tor_zlib_compress_state_t tor_zlib_compress_state_t;
tor_zlib_compress_state_t *
tor_zlib_compress_new(int compress,
compress_method_t method,
compression_level_t compression_level);
tor_compress_output_t
tor_zlib_compress_process(tor_zlib_compress_state_t *state,
char **out, size_t *out_len,
const char **in, size_t *in_len,
int finish);
void tor_zlib_compress_free_(tor_zlib_compress_state_t *state);
#define tor_zlib_compress_free(st) \
FREE_AND_NULL(tor_zlib_compress_state_t, \
tor_zlib_compress_free_, (st))
size_t tor_zlib_compress_state_size(const tor_zlib_compress_state_t *state);
size_t tor_zlib_get_total_allocation(void);
void tor_zlib_init(void);
#endif /* !defined(TOR_COMPRESS_ZLIB_H) */