Verify connect return code.

If connect is not successful, exit.

diff --git a/rnetclient.c b/rnetclient.c
index b16caae..0e13bb8 100644 (file)
--- a/rnetclient.c
+++ b/rnetclient.c
@@ -19,6 +19,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 #include <unistd.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
@@ -125,7 +126,12 @@ int main(int argc, char **argv)
        saddr.sin_family = AF_INET;
        saddr.sin_port = htons(3456);
        saddr.sin_addr.s_addr = inet_addr("161.148.185.140");
-       connect(c, (struct sockaddr *) &saddr, sizeof(saddr));
+       r = connect(c, (struct sockaddr *) &saddr, sizeof(saddr));
+       if (r < 0) {
+               fprintf(stderr, "error connecting to server: %s\n",
+                       strerror(errno));
+               exit(1);
+       }
        gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t) c);
        buffer[0] = 1;
        write(c, buffer, 1);