compress_lzma.h (1439B)
1 /* Copyright (c) 2003, Roger Dingledine 2 * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. 3 * Copyright (c) 2007-2021, The Tor Project, Inc. */ 4 /* See LICENSE for licensing information */ 5 6 /** 7 * \file compress_lzma.h 8 * \brief Header for compress_lzma.c 9 **/ 10 11 #ifndef TOR_COMPRESS_LZMA_H 12 #define TOR_COMPRESS_LZMA_H 13 14 int tor_lzma_method_supported(void); 15 16 const char *tor_lzma_get_version_str(void); 17 18 const char *tor_lzma_get_header_version_str(void); 19 20 /** Internal state for an incremental LZMA compression/decompression. */ 21 typedef struct tor_lzma_compress_state_t tor_lzma_compress_state_t; 22 23 tor_lzma_compress_state_t * 24 tor_lzma_compress_new(int compress, 25 compress_method_t method, 26 compression_level_t compression_level); 27 28 tor_compress_output_t 29 tor_lzma_compress_process(tor_lzma_compress_state_t *state, 30 char **out, size_t *out_len, 31 const char **in, size_t *in_len, 32 int finish); 33 34 void tor_lzma_compress_free_(tor_lzma_compress_state_t *state); 35 #define tor_lzma_compress_free(st) \ 36 FREE_AND_NULL(tor_lzma_compress_state_t, \ 37 tor_lzma_compress_free_, (st)) 38 39 size_t tor_lzma_compress_state_size(const tor_lzma_compress_state_t *state); 40 41 size_t tor_lzma_get_total_allocation(void); 42 43 void tor_lzma_init(void); 44 45 #endif /* !defined(TOR_COMPRESS_LZMA_H) */