From a7e494192d222015bc098bfc3c7ed71e2e801590 Mon Sep 17 00:00:00 2001
From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
Date: Wed, 18 Oct 2023 17:11:21 +0200
Subject: check_ntp_peer: Use C99 booleans


diff --git a/plugins/check_ntp_peer.c b/plugins/check_ntp_peer.c
index 49cb100..d4e5fd9 100644
--- a/plugins/check_ntp_peer.c
+++ b/plugins/check_ntp_peer.c
@@ -46,21 +46,20 @@ const char *email = "devel@monitoring-plugins.org";
 static char *server_address=NULL;
 static int port=123;
 static int verbose=0;
-static int quiet=0;
-static short do_offset=0;
+static bool quiet = false;
 static char *owarn="60";
 static char *ocrit="120";
-static short do_stratum=0;
+static bool do_stratum = false;
 static char *swarn="-1:16";
 static char *scrit="-1:16";
-static short do_jitter=0;
+static bool do_jitter = false;
 static char *jwarn="-1:5000";
 static char *jcrit="-1:10000";
-static short do_truechimers=0;
+static bool do_truechimers = false;
 static char *twarn="0:";
 static char *tcrit="0:";
-static int syncsource_found=0;
-static int li_alarm=0;
+static bool syncsource_found = false;
+static bool li_alarm = false;
 
 int process_arguments (int, char **);
 thresholds *offset_thresholds = NULL;
@@ -254,7 +253,7 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
 				die(STATE_CRITICAL, "NTP CRITICAL: Invalid packet received from NTP server\n");
 		} while (!(req.op&OP_READSTAT && ntohs(req.seq) == 1));
 
-		if (LI(req.flags) == LI_ALARM) li_alarm = 1;
+		if (LI(req.flags) == LI_ALARM) li_alarm = true;
 		/* Each peer identifier is 4 bytes in the data section, which
 	 	 * we represent as a ntp_assoc_status_pair datatype.
 	 	 */
@@ -276,7 +275,7 @@ int ntp_request(double *offset, int *offset_result, double *jitter, int *stratum
 			if(PEER_SEL(peers[i].status) >= PEER_INCLUDED){
 				num_candidates++;
 				if(PEER_SEL(peers[i].status) >= PEER_SYNCSOURCE){
-					syncsource_found=1;
+					syncsource_found = true;
 					min_peer_sel=PEER_SYNCSOURCE;
 				}
 			}
@@ -440,7 +439,7 @@ int process_arguments(int argc, char **argv){
 	if (argc < 2)
 		usage ("\n");
 
-	while (1) {
+	while (true) {
 		c = getopt_long (argc, argv, "Vhv46qw:c:W:C:j:k:m:n:t:H:p:", longopts, &option);
 		if (c == -1 || c == EOF || c == 1)
 			break;
@@ -458,42 +457,40 @@ int process_arguments(int argc, char **argv){
 			verbose++;
 			break;
 		case 'q':
-			quiet = 1;
+			quiet = true;
 			break;
 		case 'w':
-			do_offset=1;
 			owarn = optarg;
 			break;
 		case 'c':
-			do_offset=1;
 			ocrit = optarg;
 			break;
 		case 'W':
-			do_stratum=1;
+			do_stratum = true;
 			swarn = optarg;
 			break;
 		case 'C':
-			do_stratum=1;
+			do_stratum = true;
 			scrit = optarg;
 			break;
 		case 'j':
-			do_jitter=1;
+			do_jitter = true;
 			jwarn = optarg;
 			break;
 		case 'k':
-			do_jitter=1;
+			do_jitter = true;
 			jcrit = optarg;
 			break;
 		case 'm':
-			do_truechimers=1;
+			do_truechimers = true;
 			twarn = optarg;
 			break;
 		case 'n':
-			do_truechimers=1;
+			do_truechimers = true;
 			tcrit = optarg;
 			break;
 		case 'H':
-			if(is_host(optarg) == FALSE)
+			if(!is_host(optarg))
 				usage2(_("Invalid hostname/address"), optarg);
 			server_address = strdup(optarg);
 			break;
@@ -530,9 +527,9 @@ int process_arguments(int argc, char **argv){
 char *perfd_offset (double offset)
 {
 	return fperfdata ("offset", offset, "s",
-		TRUE, offset_thresholds->warning->end,
-		TRUE, offset_thresholds->critical->end,
-		FALSE, 0, FALSE, 0);
+		true, offset_thresholds->warning->end,
+		true, offset_thresholds->critical->end,
+		false, 0, false, 0);
 }
 
 char *perfd_jitter (double jitter)
@@ -540,7 +537,7 @@ char *perfd_jitter (double jitter)
 	return fperfdata ("jitter", jitter, "",
 		do_jitter, jitter_thresholds->warning->end,
 		do_jitter, jitter_thresholds->critical->end,
-		TRUE, 0, FALSE, 0);
+		true, 0, false, 0);
 }
 
 char *perfd_stratum (int stratum)
@@ -548,7 +545,7 @@ char *perfd_stratum (int stratum)
 	return perfdata ("stratum", stratum, "",
 		do_stratum, (int)stratum_thresholds->warning->end,
 		do_stratum, (int)stratum_thresholds->critical->end,
-		TRUE, 0, TRUE, 16);
+		true, 0, true, 16);
 }
 
 char *perfd_truechimers (int num_truechimers)
@@ -556,7 +553,7 @@ char *perfd_truechimers (int num_truechimers)
 	return perfdata ("truechimers", num_truechimers, "",
 		do_truechimers, (int)truechimer_thresholds->warning->end,
 		do_truechimers, (int)truechimer_thresholds->critical->end,
-		TRUE, 0, FALSE, 0);
+		true, 0, false, 0);
 }
 
 int main(int argc, char *argv[]){
@@ -590,10 +587,10 @@ int main(int argc, char *argv[]){
 
 	if(offset_result == STATE_UNKNOWN) {
 		/* if there's no sync peer (this overrides ntp_request output): */
-		result = (quiet == 1 ? STATE_UNKNOWN : STATE_CRITICAL);
+		result = (quiet ? STATE_UNKNOWN : STATE_CRITICAL);
 	} else {
 		/* Be quiet if there's no candidates either */
-		if (quiet == 1 && result == STATE_WARNING)
+		if (quiet && result == STATE_WARNING)
 			result = STATE_UNKNOWN;
 		result = max_state_alt(result, get_status(fabs(offset), offset_thresholds));
 	}
-- 
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