static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr, socklen_t *addr_len, const char *localaddr) { int udp_fd = -1; struct addrinfo *res0 = NULL, *res = NULL; int family = AF_UNSPEC; if (((struct sockaddr *) &s->dest_addr)->sa_family) family = ((struct sockaddr *) &s->dest_addr)->sa_family; res0 = udp_resolve_host(localaddr[0] ? localaddr : NULL, s->local_port, SOCK_DGRAM, family, AI_PASSIVE); if (res0 == 0) goto fail; for (res = res0; res; res=res->ai_next) { udp_fd = ff_socket(res->ai_family, SOCK_DGRAM, 0); if (udp_fd != -1) break; log_net_error(NULL, AV_LOG_ERROR, "socket"); } if (udp_fd < 0) goto fail; memcpy(addr, res->ai_addr, res->ai_addrlen); *addr_len = res->ai_addrlen; freeaddrinfo(res0); return udp_fd; fail: if (udp_fd >= 0) closesocket(udp_fd); if(res0) freeaddrinfo(res0); return -1; }
static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr, socklen_t *addr_len, const char *localaddr) { int udp_fd = -1; struct addrinfo *res0 = NULL, *res = NULL; int family = AF_UNSPEC; if (((struct sockaddr *) &s->dest_addr)->sa_family) family = ((struct sockaddr *) &s->dest_addr)->sa_family; res0 = udp_resolve_host(localaddr[0] ? localaddr : NULL, s->local_port, SOCK_DGRAM, family, AI_PASSIVE); if (res0 == 0) goto fail; for (res = res0; res; res=res->ai_next) { udp_fd = ff_socket(res->ai_family, SOCK_DGRAM, 0); if (udp_fd != -1) break; log_net_error(NULL, AV_LOG_ERROR, "socket"); } if (udp_fd < 0) goto fail; memcpy(addr, res->ai_addr, res->ai_addrlen); *addr_len = res->ai_addrlen; freeaddrinfo(res0); return udp_fd; fail: if (udp_fd >= 0) closesocket(udp_fd); if(res0) freeaddrinfo(res0); return -1; }