diff options
Diffstat (limited to 'sockets.h')
| -rw-r--r-- | sockets.h | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -228,8 +228,18 @@ int sock_address_get_ip( const SockAddress* a ); char* bufprint_sock_address( char* p, char* end, const SockAddress* a ); /* resolve a hostname or decimal IPv4/IPv6 address into a socket address. - * returns 0 on success, or -1 on failure */ -int sock_address_init_resolve( SockAddress* a, const char* hostname, uint16_t port, int preferIn6 ); + * returns 0 on success, or -1 on failure. Note that the values or errno + * set by this function are the following: + * + * EINVAL : invalid argument + * EHOSTDOWN : could not reach DNS server + * ENOENT : no host with this name, or host doesn't have any IP address + * ENOMEM : not enough memory to perform request + */ +int sock_address_init_resolve( SockAddress* a, + const char* hostname, + uint16_t port, + int preferIn6 ); /* create a new socket, return the socket number of -1 on failure */ int socket_create( SocketFamily family, SocketType type ); |