From 8ce66856f9e946a08593002672aa017a6e883e54 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Mon, 16 Dec 2024 16:39:21 -0500
Subject: do not allow negative -l limit.

---
 uxd.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'uxd.c')

diff --git a/uxd.c b/uxd.c
index 95a91bd..6ea3897 100644
--- a/uxd.c
+++ b/uxd.c
@@ -230,7 +230,12 @@ void parse_args(int argc, char **argv) {
 			case 'b':
 				bold = 1; break;
 			case 'l':
-				limit = parse_number(opt, optarg); break;
+				limit = parse_number(opt, optarg);
+				if(limit < 0) {
+					fprintf(stderr, "%s: negative limit for -l not allowed.\n", self);
+					exit(1);
+				}
+				break;
 			case 'r':
 				hilite_multi = 1; break;
 			case 'm':
-- 
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