[monitoring-plugins] check_load: Actually allow output format ...

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: 5eaeadbb3a50e254fb465bf22c6022de9ecbab2d
 Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
   Date: Fri Mar 14 00:04:02 2025 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=5eaeadbb

check_load: Actually allow output format configuring

---

 plugins/check_load.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/plugins/check_load.c b/plugins/check_load.c
index 5d3e6237..bf3c89d8 100644
--- a/plugins/check_load.c
+++ b/plugins/check_load.c
@@ -256,12 +256,18 @@ int main(int argc, char **argv) {
 
 /* process command-line arguments */
 static check_load_config_wrapper process_arguments(int argc, char **argv) {
+
+	enum {
+		output_format_index = CHAR_MAX + 1,
+	};
+
 	static struct option longopts[] = {{"warning", required_argument, 0, 'w'},
 									   {"critical", required_argument, 0, 'c'},
 									   {"percpu", no_argument, 0, 'r'},
 									   {"version", no_argument, 0, 'V'},
 									   {"help", no_argument, 0, 'h'},
 									   {"procs-to-show", required_argument, 0, 'n'},
+									   {"output-format", required_argument, 0, output_format_index},
 									   {0, 0, 0, 0}};
 
 	check_load_config_wrapper result = {
@@ -283,6 +289,18 @@ static check_load_config_wrapper process_arguments(int argc, char **argv) {
 		}
 
 		switch (option_index) {
+		case output_format_index: {
+			parsed_output_format parser = mp_parse_output_format(optarg);
+			if (!parser.parsing_success) {
+				// TODO List all available formats here, maybe add anothoer usage function
+				printf("Invalid output format: %s\n", optarg);
+				exit(STATE_UNKNOWN);
+			}
+
+			result.config.output_format_set = true;
+			result.config.output_format = parser.output_format;
+			break;
+		}
 		case 'w': /* warning time threshold */ {
 			parsed_thresholds warning_range = get_threshold(optarg);
 			result.config.th_load[0].warning = warning_range.load[0];
@@ -381,6 +399,7 @@ void print_help(void) {
 	printf("    %s\n", _("Number of processes to show when printing the top consuming processes."));
 	printf("    %s\n", _("NUMBER_OF_PROCS=0 disables this feature. Default value is 0"));
 
+	printf(UT_OUTPUT_FORMAT);
 	printf(UT_SUPPORT);
 }