From 95dada12eb1c7c6d52a52b89e4bf1a56b95d692a Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Wed, 01 Jun 2022 04:52:13 +0000
Subject: [PATCH] checks for server conductibility if user is root
---
slist.c | 20 ++++++++++++++++----
1 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/slist.c b/slist.c
index 5deefc9..971685f 100644
--- a/slist.c
+++ b/slist.c
@@ -130,11 +130,23 @@
int print_servers(struct dns_list* head)
{
+ struct dns_list* curr = head;
printf("%-16s | %-11s | %s\n", "Server", "Time", "Errors");
- while (head) {
- printf("%-16s | %ld.%09ld | %d\n", head->server, head->time.tv_sec,
- head->time.tv_nsec, head->errors);
- head = head->next;
+ while (curr) {
+ if (curr->errors != -1) {
+ printf("%-16s | %ld.%09ld | %d\n", curr->server, curr->time.tv_sec,
+ curr->time.tv_nsec, curr->errors);
+ }
+ curr = curr->next;
}
+ fflush(stdout);
+ curr = head;
+ if (head->errors == -1) {
+ printf("The following servers were unreachable:\n");
+ while (curr && curr->errors == -1) {
+ printf("%s\n", curr->server);
+ curr = curr->next;
+ }
+ }
return 0;
}
--
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