SYNOPSIS
#include <ares.h>
int ares_set_sortlist(ares_channel channel, const char *sortstr)
DESCRIPTION
The ares_set_sortlist(3) 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, "130.155.160.0/255.255.240.0 130.155.0.0".This function replaces any potentially previously configured address sortlist with the ones given in the configuration string.
RETURN VALUES
ares_set_sortlist(3) may return any of the following values:- ARES_SUCCESS
- The sortlist configuration was successfuly initialized.
- ARES_ENOMEM
- The process's available memory was exhausted.
- ARES_ENODATA
- The channel data identified by channel was invalid.
- ARES_ENOTINITIALIZED
- c-ares library initialization not yet performed.