ares_set_sortlist - Initialize an ares_channel sortlist configuration
int ares_set_sortlist(ares_channel channel, const char *sortstr)
function initializes an address sortlist
configuration for the channel data identified by channel
, so that
addresses returned by ares_gethostbyname(3)
are sorted according to the
sortlist. The provided sortstr
string that holds a space separated list
of IP-address-netmask pairs. The netmask is optional but follows the address
after a slash if present. For example, "22.214.171.124/255.255.240.0
This function replaces any potentially previously configured address sortlist
with the ones given in the configuration string.
may return any of the following values:
- The sortlist configuration was successfully
- The process's available memory was exhausted.
- The channel data identified by channel was
- c-ares library initialization not yet performed.
ares_set_sortlist(3) was added in c-ares 1.11.0