Added input argument for reliability testing

Joel Grunbaum

2022-06-01 be527d670c50d6bbac90aec41cd87366e16515e4

 slist.c

@@ -133,7 +133,7 @@
    struct dns_list* curr = head;
   printf("%-16s | %-11s | %s\n", "Server", "Time", "Errors");
   while (curr) {
        if (curr->errors != -1) {
        if (curr->errors >= 0) {
            printf("%-16s | %ld.%09ld | %d\n", curr->server, curr->time.tv_sec,
                   curr->time.tv_nsec, curr->errors);
        }
@@ -141,9 +141,9 @@
   }
    fflush(stdout);
    curr = head;
    if (head->errors == -1) {
    if (head->errors < 0) {
        printf("The following servers were unreachable:\n");
        while (curr && curr->errors == -1) {
        while (curr && curr->errors < 0) {
            printf("%s\n", curr->server);
            curr = curr->next;
        }