Simplify set_remote_url(), and remove some code duplication

Originally committed as revision 11016 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Abeni 2007-11-14 08:16:51 +00:00
parent 4c7d5764a0
commit d05cb726bd

View File

@ -145,18 +145,17 @@ static struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, in
return res;
}
static int udp_ipv6_set_remote_url(URLContext *h, const char *uri) {
UDPContext *s = h->priv_data;
char hostname[256];
int port;
static int udp_set_url(struct sockaddr_storage *addr, const char *hostname, int port) {
struct addrinfo *res0;
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
int addr_len;
res0 = udp_ipv6_resolve_host(hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
if (res0 == 0) return AVERROR(EIO);
memcpy(&s->dest_addr, res0->ai_addr, res0->ai_addrlen);
s->dest_addr_len = res0->ai_addrlen;
memcpy(addr, res0->ai_addr, res0->ai_addrlen);
addr_len = res0->ai_addrlen;
freeaddrinfo(res0);
return 0;
return addr_len;
}
static int udp_ipv6_set_local(URLContext *h) {
@ -213,6 +212,19 @@ static int udp_ipv6_set_local(URLContext *h) {
return -1;
}
#else
static int udp_set_url(struct sockaddr_in *addr, const char *hostname, int port)
{
/* set the destination address */
if (resolve_host(&addr->sin_addr, hostname) < 0)
return AVERROR(EIO);
addr->sin_family = AF_INET;
addr->sin_port = htons(port);
return sizeof(struct sockaddr_in);
}
#endif /* CONFIG_IPV6 */
@ -234,9 +246,6 @@ static int udp_ipv6_set_local(URLContext *h) {
*/
int udp_set_remote_url(URLContext *h, const char *uri)
{
#ifdef CONFIG_IPV6
return udp_ipv6_set_remote_url(h, uri);
#else
UDPContext *s = h->priv_data;
char hostname[256];
int port;
@ -244,13 +253,12 @@ int udp_set_remote_url(URLContext *h, const char *uri)
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
/* set the destination address */
if (resolve_host(&s->dest_addr.sin_addr, hostname) < 0)
s->dest_addr_len = udp_set_url(&s->dest_addr, hostname, port);
if (s->dest_addr_len < 0) {
return AVERROR(EIO);
s->dest_addr.sin_family = AF_INET;
s->dest_addr.sin_port = htons(port);
s->dest_addr_len = sizeof(s->dest_addr);
}
return 0;
#endif
}
/**