int socket(int domain, int type, int protocol)
{
#if DEBUG
fprintf(stderr, "socket: domain %d, type %d, protocol %d\n",
domain, type, protocol);
#endif
if (domain != AF_INET)
{
#if DEBUG
fprintf(stderr, "socket: bad domain %d\n", domain);
#endif
errno= EAFNOSUPPORT;
return -1;
}
if (type == SOCK_STREAM)
return _tcp_socket(protocol);
if (type == SOCK_DGRAM)
return _udp_socket(protocol);
#if DEBUG
fprintf(stderr, "socket: nothing for domain %d, type %d, protocol %d\n",
domain, type, protocol);
#endif
errno= EPROTOTYPE;
return -1;
}
int socket(int domain, int type, int protocol)
{
int sock_type;
sock_type = type & ~SOCK_FLAGS_MASK;
#if DEBUG
fprintf(stderr, "socket: domain %d, type %d, protocol %d\n",
domain, type, protocol);
#endif
if (domain != AF_INET && domain != AF_UNIX)
{
#if DEBUG
fprintf(stderr, "socket: bad domain %d\n", domain);
#endif
errno= EAFNOSUPPORT;
return -1;
}
if (domain == AF_UNIX && (sock_type == SOCK_STREAM ||
sock_type == SOCK_DGRAM ||
sock_type == SOCK_SEQPACKET))
return _uds_socket(type, protocol);
if (domain == AF_INET && sock_type == SOCK_STREAM)
return _tcp_socket(type, protocol);
if (domain == AF_INET && sock_type == SOCK_DGRAM)
return _udp_socket(type, protocol);
if (domain == AF_INET && sock_type == SOCK_RAW && protocol == IPPROTO_ICMP)
return _raw_socket(type, protocol);
if (domain == AF_INET && sock_type == SOCK_RAW && protocol == IPPROTO_UDP)
return _raw_socket(type, protocol);
#if DEBUG
fprintf(stderr, "socket: nothing for domain %d, type %d, protocol %d\n",
domain, type, protocol);
#endif
errno= EPROTOTYPE;
return -1;
}
