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author | Nick Mathewson <nickm@torproject.org> | 2016-08-29 15:02:11 -0400 |
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committer | Nick Mathewson <nickm@torproject.org> | 2016-08-29 15:02:11 -0400 |
commit | bbaa7d09a045130560a2f5da579671c5e02c9cd7 (patch) | |
tree | 232540453f40eb00b2dc0492b236967f383627e8 /src/or/circuitlist.c | |
parent | f46ce6e3d8bea3cf00388c87c29cdcafd4bab350 (diff) | |
parent | 19816f2f782568722964d35ee132af441a809db3 (diff) | |
download | tor-bbaa7d09a045130560a2f5da579671c5e02c9cd7.tar.gz tor-bbaa7d09a045130560a2f5da579671c5e02c9cd7.zip |
Merge remote-tracking branch 'teor/reject-tap-v6'
Diffstat (limited to 'src/or/circuitlist.c')
-rw-r--r-- | src/or/circuitlist.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c index 5c691644a4..3c92baa274 100644 --- a/src/or/circuitlist.c +++ b/src/or/circuitlist.c @@ -1613,7 +1613,8 @@ circuit_find_to_cannibalize(uint8_t purpose, extend_info_t *info, return best; } -/** Return the number of hops in circuit's path. */ +/** Return the number of hops in circuit's path. If circ has no entries, + * or is NULL, returns 0. */ int circuit_get_cpath_len(origin_circuit_t *circ) { @@ -1629,7 +1630,8 @@ circuit_get_cpath_len(origin_circuit_t *circ) } /** Return the <b>hopnum</b>th hop in <b>circ</b>->cpath, or NULL if there - * aren't that many hops in the list. */ + * aren't that many hops in the list. <b>hopnum</b> starts at 1. + * Returns NULL if <b>hopnum</b> is 0 or negative. */ crypt_path_t * circuit_get_cpath_hop(origin_circuit_t *circ, int hopnum) { |