From c19330d1e61698f1758d5bf9d340955e1d4d876b Mon Sep 17 00:00:00 2001
From: Simone Piccardi <piccardi@gnulinux.it>
Date: Tue, 7 Dec 2004 23:23:20 +0000
Subject: [PATCH] Versione di debug funzionante, la salvo prima di rimuovere
 tutto per mettere le funzioni dentro SockUtil.c

---
 sources/sockconn.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/sources/sockconn.c b/sources/sockconn.c
index 952910a..543abe6 100644
--- a/sources/sockconn.c
+++ b/sources/sockconn.c
@@ -28,18 +28,24 @@
  *
  ****************************************************************/
 #include <arpa/inet.h>
+#include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netdb.h>
 #include <string.h>
 #include <stdio.h>
 #include <errno.h>
+#include <unistd.h>
 
 int sockconn(char *host, char *serv, int prot, int type) 
 {
     struct addrinfo hint, *addr, *save;
     int res;
     int sock;
+    int err;
+    char buffer[INET6_ADDRSTRLEN];
+    struct sockaddr_in *ip4;
+    struct sockaddr_in6 *ip6;
     /* initialize hint structure */
     memset(&hint, 0, sizeof(struct addrinfo)); 
     hint.ai_family = PF_UNSPEC;          /* generic address (IPv4 or IPv6) */
@@ -55,10 +61,20 @@ int sockconn(char *host, char *serv, int prot, int type)
     /* loop on possible addresses */
     save = addr;
     while (addr != NULL) {
+	if (addr->ai_family == PF_INET) {
+	    ip4 = (struct sockaddr_in *) addr->ai_addr;
+	    printf("Indirizzo %s\n", inet_ntop(ip4->sin_family, &ip4->sin_addr,
+					       buffer, sizeof(buffer)));
+	} else {
+      	    ip6 = (struct sockaddr_in6 *) addr->ai_addr;
+	    printf("Indirizzo %s\n", inet_ntop(ip6->sin6_family, 
+					       &ip6->sin6_addr,
+					       buffer, sizeof(buffer)));
+	}
 	/* get a socket */
 	sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
 	if (sock < 0) {
-	    if (addr->ai_next == NULL) {
+	    if (addr->ai_next != NULL) {
 		addr=addr->ai_next;
 		continue;
 	    } else {
@@ -69,15 +85,18 @@ int sockconn(char *host, char *serv, int prot, int type)
 	/* connect the socket */
 	res = connect(sock, addr->ai_addr, addr->ai_addrlen);
 	if (res < 0) {
-	    if (addr->ai_next == NULL) {
+	    if (addr->ai_next != NULL) {
 		close(sock);
 		addr=addr->ai_next;
 		continue;
 	    } else {
+		err = errno;
+		close(sock);
+		errno = err;
 		printf("sockconn cannot connect socket\n");
 		return res;
 	    }
-	}
+	} else break;
     }
     freeaddrinfo(save);         /* done, release memory */
     return sock;
-- 
2.30.2