From c3300e56eef8b6313d85873bf5beba08e8d73d42 Mon Sep 17 00:00:00 2001
From: Alexander Zubkov <green@qrator.net>
Date: Wed, 1 Dec 2021 17:15:43 +0100
Subject: [PATCH] skip empty input lines

---
 plageq.c  | 2 +-
 plagmax.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/plageq.c b/plageq.c
index f76dd90..be0141a 100644
--- a/plageq.c
+++ b/plageq.c
@@ -195,8 +195,8 @@ int main(void) {
 			break;
 		}
 		int l = strlen(s);
+		if (l && s[l - 1] == '\n') s[--l] = 0;
 		if (!l) continue;
-		if (s[l - 1] == '\n') s[l - 1] = 0;
 		if (!strchr(s, ':')) {
 			// ipv4
 			ip42bits(s, b, &m);
diff --git a/plagmax.c b/plagmax.c
index 7c17bdd..4d6108b 100644
--- a/plagmax.c
+++ b/plagmax.c
@@ -175,8 +175,8 @@ int main(void) {
 			break;
 		}
 		int l = strlen(s);
+		if (l && s[l - 1] == '\n') s[--l] = 0;
 		if (!l) continue;
-		if (s[l - 1] == '\n') s[l - 1] = 0;
 		if (!strchr(s, ':')) {
 			// ipv4
 			ip42bits(s, b, &m);