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/* Copyright 2001-2004 Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "orconfig.h"
#include "lib/version/torversion.h"
#include "lib/version/git_revision.h"
#include <stdio.h>
#include <string.h>
/**
* @file version.c
* @brief Functions to get the version of Tor.
**/
/** A shorter version of this Tor process's version, for export in our router
* descriptor. (Does not include the git version, if any.) */
static const char the_short_tor_version[] =
VERSION
#ifdef TOR_BUILD_TAG
" ("TOR_BUILD_TAG")"
#endif
"";
/**
* Longest possible version length. We make this a constant so that we
* can statically allocate the_tor_version.
**/
#define MAX_VERSION_LEN 128
/** The version of this Tor process, possibly including git version */
static char the_tor_version[MAX_VERSION_LEN] = "";
/** Return the current Tor version. */
const char *
get_version(void)
{
if (the_tor_version[0] == 0) {
if (strlen(tor_git_revision)) {
snprintf(the_tor_version, sizeof(the_tor_version),
"%s (git-%s)", the_short_tor_version, tor_git_revision);
} else {
snprintf(the_tor_version, sizeof(the_tor_version),
"%s", the_short_tor_version);
}
the_tor_version[sizeof(the_tor_version)-1] = 0;
}
return the_tor_version;
}
/** Return the current Tor version, without any git tag. */
const char *
get_short_version(void)
{
return the_short_tor_version;
}
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