0.0.6 ne kritično, 12-krat ponovno poskusi resolvat

tcp.c

@@ -14,6 +14,7 @@
 #include <sys/time.h>
 #define ERR_INET_ADDR "0.9.9.0"
 #define TCPC_READ_BUF 1048576 /* en megabajt */
+#define TCPC_RESOLVE_RETRIES 12
 union ip_conv {
 	unsigned char c[4];
 	struct in_addr in;
@@ -36,6 +37,7 @@ int spawn_conn (const char * address, const int port) {
 	int ret;
 	int conn_fd;
 	struct sockaddr_in server_addr = { 0 };
+	unsigned short int r /* etries */= TCPC_RESOLVE_RETRIES;
 	server_addr.sin_family = AF_INET;
 	server_addr.sin_port = htons(port);
 	ret = inet_pton(AF_INET, address, &server_addr.sin_addr);
@@ -43,11 +45,15 @@ int spawn_conn (const char * address, const int port) {
 		if (ret == -1)
 			perror("inet_pton");
 		fprintf(stderr, "%s is not an IPv4, trying to resolve ...\n", address);
-		struct in_addr ret = hostname_to_ip(address);
+		struct in_addr ret; /* zakaj sem tudi to poimenoval ret!? sicer dela. */
 		struct in_addr error_addr;
+retry_resolve:
+		ret = hostname_to_ip(address);
 		inet_aton(ERR_INET_ADDR, &error_addr);
 		if (memcmp(&ret, &error_addr, 4) == 0) {
-			fprintf(stderr, "failed to resolve.\n");
+			fprintf(stderr, "failed to resolve-%s.\n", r ? "retrying" : "failing");
+			if (r--)
+				goto retry_resolve;
 			return -1;
 		}
 		server_addr.sin_addr = ret;