commit cad9046632aa168eabda1694775393b38922a03e Author: teor (Tim Wilson-Brown) teor2345@gmail.com Date: Fri Jul 8 12:30:20 2016 +1000

Improve comments in circuit_get_cpath_* --- src/or/circuitlist.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c index d2ba7d4..0d56a7e 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) {