[monitoring-plugins] Allow setting of port independent of argument ...

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: 6cd097921f0c5016fcae60b38dfb88c412e4bb20
 Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
   Date: Mon Mar 10 21:27:50 2025 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=6cd09792

Allow setting of port independent of argument position again

---

 plugins/check_smtp.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index fd492294..44b735f9 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -517,6 +517,7 @@ check_smtp_config_wrapper process_arguments(int argc, char **argv) {
 	int command_size = 0;
 	int response_size = 0;
 	bool implicit_tls = false;
+	int server_port_option = 0;
 	while (true) {
 		int opt_index = getopt_long(argc, argv, "+hVv46Lrt:p:f:e:c:w:H:C:R:sSD:F:A:U:P:q", longopts, &option);
 
@@ -534,7 +535,7 @@ check_smtp_config_wrapper process_arguments(int argc, char **argv) {
 			break;
 		case 'p': /* port */
 			if (is_intpos(optarg)) {
-				result.config.server_port = atoi(optarg);
+				server_port_option = atoi(optarg);
 			} else {
 				usage4(_("Port must be a positive integer"));
 			}
@@ -710,6 +711,10 @@ check_smtp_config_wrapper process_arguments(int argc, char **argv) {
 		}
 	}
 
+	if (server_port_option != 0) {
+		result.config.server_port = server_port_option;
+	}
+
 	return result;
 }