Modifiche rimaste indietro.

[gapil.git] / listati / TCP_echo_fifth.c

diff --git a/listati/TCP_echo_fifth.c b/listati/TCP_echo_fifth.c
index d3e383c59f43e7137b919341d28e5edd812a5b5a..021b2638be21b2951ec71c1c15460bdbc85c9061 100644 (file)
--- a/listati/TCP_echo_fifth.c
+++ b/listati/TCP_echo_fifth.c
@@ -8,8 +8,10 @@ int main(int argc, char *argv[])
     ...
     /* call sockaddr to get a connected socket */
     if ( (sock = sockconn(argv[optind], "echo", 6, SOCK_STREAM)) < 0) {
+       if (errno) perror("Socket creation error");
        return 1;
     }
+    ...
     /* do read/write operations */
     ClientEcho(stdin, sock);
     /* normal exit */