Fixed registration. Fixed possible SIGSEGV in create_print_name

loop.c

@@ -545,13 +545,13 @@ int loop (void) {
         exit (EXIT_SUCCESS);
       }
       char *first_name;
-      printf ("Name: ");
+      printf ("First name: ");
       if (net_getline (&first_name, &size) == -1) {
         perror ("getline()");
         exit (EXIT_FAILURE);
       }
       char *last_name;
-      printf ("Name: ");
+      printf ("Last name: ");
       if (net_getline (&last_name, &size) == -1) {
         perror ("getline()");
         exit (EXIT_FAILURE);

queries.c

@@ -527,6 +527,9 @@ int do_auth_check_phone (const char *user) {
   check_phone_result = -1;
   send_query (DC_working, packet_ptr - packet_buffer, packet_buffer, &check_phone_methods, 0);
   net_loop (0, cr_f);
+  check_phone_result = -1;
+  send_query (DC_working, packet_ptr - packet_buffer, packet_buffer, &check_phone_methods, 0);
+  net_loop (0, cr_f);
   return check_phone_result;
 }
 /* }}} */

structures.c

@@ -168,7 +168,7 @@ char *create_print_name (peer_id_t id, const char *a1, const char *a2, const cha
   int cc = 0;
   while (1) {
     peer_t *P = peer_lookup_name (s);
-    if (!P || !cmp_peer_id (Peers[i]->id, id)) {
+    if (!P || !cmp_peer_id (P->id, id)) {
       break;
     }
     cc ++;