diff options
| -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 d2ba7d4781..0d56a7ee20 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) { |