Memoize summarize_protover_flags()
[tor.git] / src / core / or / versions.h
blob4fc50a00185a7eb8abbeee4786506bba73db2779
1 /* Copyright (c) 2001 Matej Pfajfar.
2 * Copyright (c) 2001-2004, Roger Dingledine.
3 * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
4 * Copyright (c) 2007-2018, The Tor Project, Inc. */
5 /* See LICENSE for licensing information */
7 /**
8 * \file versions.h
9 * \brief Header file for versions.c.
10 **/
12 #ifndef TOR_VERSIONS_H
13 #define TOR_VERSIONS_H
15 /** Possible statuses of a version of Tor, given opinions from the directory
16 * servers. */
17 typedef enum version_status_t {
18 VS_RECOMMENDED=0, /**< This version is listed as recommended. */
19 VS_OLD=1, /**< This version is older than any recommended version. */
20 VS_NEW=2, /**< This version is newer than any recommended version. */
21 VS_NEW_IN_SERIES=3, /**< This version is newer than any recommended version
22 * in its series, but later recommended versions exist.
24 VS_UNRECOMMENDED=4, /**< This version is not recommended (general case). */
25 VS_EMPTY=5, /**< The version list was empty; no agreed-on versions. */
26 VS_UNKNOWN, /**< We have no idea. */
27 } version_status_t;
29 version_status_t tor_version_is_obsolete(const char *myversion,
30 const char *versionlist);
31 int tor_version_parse_platform(const char *platform,
32 tor_version_t *version_out,
33 int strict);
34 int tor_version_as_new_as(const char *platform, const char *cutoff);
35 int tor_version_parse(const char *s, tor_version_t *out);
36 int tor_version_compare(tor_version_t *a, tor_version_t *b);
37 int tor_version_same_series(tor_version_t *a, tor_version_t *b);
38 void sort_version_list(smartlist_t *lst, int remove_duplicates);
40 void summarize_protover_flags(protover_summary_flags_t *out,
41 const char *protocols,
42 const char *version);
44 void protover_summary_cache_free_all(void);
46 #endif /* !defined(TOR_VERSIONS_H) */