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- sockaddr_aligned: use a union instead of a manually aligned struct;

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- fixed compilation for different configurations
This commit is contained in:
goldsimon 2011-06-07 19:36:05 +00:00
parent 2ed5413e24
commit e584557afe
1 changed files with 17 additions and 18 deletions
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35
src/api/sockets.c
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@ -97,8 +97,8 @@
} else { \
SOCKADDR4_TO_IP4ADDR_PORT((struct sockaddr_in*)(void*)(sockaddr), ipXaddr, port); \
} } while(0)
#define DOMAIN_TO_NETCONN_TYPE(domain, netconn_type) (((domain) == AF_INET) ? \
(netconn_type) : ((netconn_type) | NETCONN_TYPE_IPV6))
#define DOMAIN_TO_NETCONN_TYPE(domain, type) (((domain) == AF_INET) ? \
(type) : (enum netconn_type)((type) | NETCONN_TYPE_IPV6))
#else /* LWIP_IPV6 */
#define IS_SOCK_ADDR_LEN_VALID(namelen) ((namelen) == sizeof(struct sockaddr_in))
#define IS_SOCK_ADDR_TYPE_VALID(name) ((name)->sa_family == AF_INET)
@ -185,16 +185,12 @@ struct lwip_setgetsockopt_data {
/** A struct sockaddr replacement that has the same alignment as sockaddr_in/
* sockaddr_in6 if instantiated.
*/
struct sockaddr_aligned {
u8_t sa_len;
u8_t sa_family;
u16_t alignment1;
u32_t alignment2;
union sockaddr_aligned {
struct sockaddr sa;
#if LWIP_IPV6
u8_t sa_data[SIN_ZERO_LEN + 8];
#else /* LWIP_IPV6 */
u8_t sa_data[SIN_ZERO_LEN];
struct sockaddr_in6 sin6;
#endif /* LWIP_IPV6 */
struct sockaddr_in sin;
};
@ -422,7 +418,7 @@ lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
* not be NULL if addr is valid.
*/
if (addr != NULL) {
struct sockaddr_aligned tempaddr;
sockaddr_aligned tempaddr;
/* get the IP address and port of the remote host */
err = netconn_peer(newconn, ipX_2_ip(&naddr), &port);
if (err != ERR_OK) {
@ -434,8 +430,8 @@ lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL);
IPXADDR_PORT_TO_SOCKADDR(NETCONNTYPE_ISIPV6(newconn->type), &tempaddr, &naddr, port);
if (*addrlen > tempaddr.sa_len) {
*addrlen = tempaddr.sa_len;
if (*addrlen > tempaddr.sa.sa_len) {
*addrlen = tempaddr.sa.sa_len;
}
MEMCPY(addr, &tempaddr, *addrlen);
}
@ -494,6 +490,7 @@ lwip_bind(int s, const struct sockaddr *name, socklen_t namelen)
LWIP_ERROR("lwip_bind: invalid address", (IS_SOCK_ADDR_LEN_VALID(namelen) &&
IS_SOCK_ADDR_TYPE_VALID(name) && IS_SOCK_ADDR_ALIGNED(name)),
sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
LWIP_UNUSED_ARG(namelen);
SOCKADDR_TO_IPXADDR_PORT((name->sa_family == AF_INET6), name, &local_addr, local_port);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s));
@ -560,6 +557,7 @@ lwip_connect(int s, const struct sockaddr *name, socklen_t namelen)
LWIP_ERROR("lwip_connect: invalid address", IS_SOCK_ADDR_LEN_VALID(namelen) &&
IS_SOCK_ADDR_TYPE_VALID_OR_UNSPEC(name) && IS_SOCK_ADDR_ALIGNED(name),
sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
LWIP_UNUSED_ARG(namelen);
if (name->sa_family == AF_UNSPEC) {
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s));
err = netconn_disconnect(sock->conn);
@ -737,7 +735,7 @@ lwip_recvfrom(int s, void *mem, size_t len, int flags,
u16_t port;
ipX_addr_t tmpaddr;
ipX_addr_t *fromaddr;
struct sockaddr_aligned saddr;
sockaddr_aligned saddr;
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {
fromaddr = &tmpaddr;
@ -879,6 +877,7 @@ lwip_sendto(int s, const void *data, size_t size, int flags,
(IS_SOCK_ADDR_LEN_VALID(tolen) &&
IS_SOCK_ADDR_TYPE_VALID(to) && IS_SOCK_ADDR_ALIGNED(to))),
sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
LWIP_UNUSED_ARG(tolen);
#if LWIP_TCPIP_CORE_LOCKING
/* Special speedup for fast UDP/RAW sending: call the raw API directly
@ -1459,7 +1458,7 @@ static int
lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local)
{
struct lwip_sock *sock;
struct sockaddr_aligned saddr;
sockaddr_aligned saddr;
ipX_addr_t naddr;
u16_t port;
@ -1479,8 +1478,8 @@ lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local)
SOCKETS_DEBUG, &naddr);
LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", port));
if (*namelen > saddr.sa_len) {
*namelen = saddr.sa_len;
if (*namelen > saddr.sa.sa_len) {
*namelen = saddr.sa.sa_len;
}
MEMCPY(name, &saddr, *namelen);
@ -1954,7 +1953,7 @@ lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t opt
err = EINVAL;
}
#if LWIP_UDP
if (NETCONNTYPE_GROUP((netconn_type(sock->conn) != NETCONN_UDP)) ||
if ((NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_UDP) ||
((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
/* this flag is only available for UDP, not for UDP lite */
err = EAFNOSUPPORT;