Improve comments in circuit_get_cpath_*

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teor (Tim Wilson-Brown) 2016-07-08 12:30:20 +10:00 committed by teor
parent febd4ab0e5
commit cad9046632
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@ -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)
{