54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* Copyright (c) 2003, Roger Dingledine
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file compress_zstd.h
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* \brief Header for compress_zstd.c
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**/
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#ifndef TOR_COMPRESS_ZSTD_H
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#define TOR_COMPRESS_ZSTD_H
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int tor_zstd_method_supported(void);
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const char *tor_zstd_get_version_str(void);
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const char *tor_zstd_get_header_version_str(void);
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int tor_zstd_can_use_static_apis(void);
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/** Internal state for an incremental Zstandard compression/decompression. */
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typedef struct tor_zstd_compress_state_t tor_zstd_compress_state_t;
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tor_zstd_compress_state_t *
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tor_zstd_compress_new(int compress,
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compress_method_t method,
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compression_level_t compression_level);
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tor_compress_output_t
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tor_zstd_compress_process(tor_zstd_compress_state_t *state,
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char **out, size_t *out_len,
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const char **in, size_t *in_len,
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int finish);
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void tor_zstd_compress_free_(tor_zstd_compress_state_t *state);
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#define tor_zstd_compress_free(st) \
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FREE_AND_NULL(tor_zstd_compress_state_t, \
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tor_zstd_compress_free_, (st))
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size_t tor_zstd_compress_state_size(const tor_zstd_compress_state_t *state);
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size_t tor_zstd_get_total_allocation(void);
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void tor_zstd_init(void);
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void tor_zstd_warn_if_version_mismatched(void);
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#ifdef TOR_UNIT_TESTS
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void tor_zstd_set_static_apis_disabled_for_testing(int disabled);
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#endif
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#endif /* !defined(TOR_COMPRESS_ZSTD_H) */
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