From 96cf02139c7a0a344f194c95c8d3a64168e45c6b Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Wed, 01 Jun 2022 05:06:10 +0000
Subject: [PATCH] Compiler optimisations breaking things
---
slist.c | 26 +++++++++++++++++++-------
1 files changed, 19 insertions(+), 7 deletions(-)
diff --git a/slist.c b/slist.c
index db2e935..971685f 100644
--- a/slist.c
+++ b/slist.c
@@ -115,9 +115,9 @@
int comp_times(struct dns_list* a, struct dns_list* b)
{
- if (a->errors != b->errors) {
- return a->errors > b->errors;
- } else if (a->time.tv_sec == b->time.tv_sec) {
+ if (a->errors != b->errors) {
+ return a->errors > b->errors;
+ } else if (a->time.tv_sec == b->time.tv_sec) {
if (a->time.tv_nsec >= b->time.tv_nsec)
return 1;
else
@@ -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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