1 files changed, 28 insertions, 31 deletions

diff --git a/plugins/check_time.c b/plugins/check_time.c
index cf17b22..7d0cc2e 100644
--- a/plugins/check_time.c
+++ b/plugins/check_time.c
@@ -61,10 +61,6 @@ static void print_help(void);
 void print_usage(void);
 
 int main(int argc, char **argv) {
-        int sd;
-        int result = STATE_UNKNOWN;
-        time_t conntime;
-
         setlocale(LC_ALL, "");
         bindtextdomain(PACKAGE, LOCALEDIR);
         textdomain(PACKAGE);
@@ -82,11 +78,13 @@ int main(int argc, char **argv) {
         alarm(socket_timeout);
         time(&start_time);
 
+        int socket;
+        int result = STATE_UNKNOWN;
         /* try to connect to the host at the given port number */
         if (use_udp) {
-                result = my_udp_connect(server_address, server_port, &sd);
+                result = my_udp_connect(server_address, server_port, &socket);
         } else {
-                result = my_tcp_connect(server_address, server_port, &sd);
+                result = my_tcp_connect(server_address, server_port, &socket);
         }
 
         if (result != STATE_OK) {
@@ -100,7 +98,7 @@ int main(int argc, char **argv) {
         }
 
         if (use_udp) {
-                if (send(sd, "", 0, 0) < 0) {
+                if (send(socket, "", 0, 0) < 0) {
                         if (check_critical_time)
                                 result = STATE_CRITICAL;
                         else if (check_warning_time)
@@ -112,10 +110,10 @@ int main(int argc, char **argv) {
         }
 
         /* watch for the connection string */
-        result = recv(sd, (void *)&raw_server_time, sizeof(raw_server_time), 0);
+        result = recv(socket, (void *)&raw_server_time, sizeof(raw_server_time), 0);
 
         /* close the connection */
-        close(sd);
+        close(socket);
 
         /* reset the alarm */
         time(&end_time);
@@ -134,7 +132,7 @@ int main(int argc, char **argv) {
 
         result = STATE_OK;
 
-        conntime = (end_time - start_time);
+        time_t conntime = (end_time - start_time);
         if (check_critical_time && conntime > critical_time)
                 result = STATE_CRITICAL;
         else if (check_warning_time && conntime > warning_time)
@@ -165,9 +163,6 @@ int main(int argc, char **argv) {
 
 /* process command-line arguments */
 int process_arguments(int argc, char **argv) {
-        int c;
-
-        int option = 0;
         static struct option longopts[] = {{"hostname", required_argument, 0, 'H'},
                                                                            {"warning-variance", required_argument, 0, 'w'},
                                                                            {"critical-variance", required_argument, 0, 'c'},
@@ -183,26 +178,28 @@ int process_arguments(int argc, char **argv) {
         if (argc < 2)
                 usage("\n");
 
-        for (c = 1; c < argc; c++) {
-                if (strcmp("-to", argv[c]) == 0)
-                        strcpy(argv[c], "-t");
-                else if (strcmp("-wd", argv[c]) == 0)
-                        strcpy(argv[c], "-w");
-                else if (strcmp("-cd", argv[c]) == 0)
-                        strcpy(argv[c], "-c");
-                else if (strcmp("-wt", argv[c]) == 0)
-                        strcpy(argv[c], "-W");
-                else if (strcmp("-ct", argv[c]) == 0)
-                        strcpy(argv[c], "-C");
+        for (int i = 1; i < argc; i++) {
+                if (strcmp("-to", argv[i]) == 0)
+                        strcpy(argv[i], "-t");
+                else if (strcmp("-wd", argv[i]) == 0)
+                        strcpy(argv[i], "-w");
+                else if (strcmp("-cd", argv[i]) == 0)
+                        strcpy(argv[i], "-c");
+                else if (strcmp("-wt", argv[i]) == 0)
+                        strcpy(argv[i], "-W");
+                else if (strcmp("-ct", argv[i]) == 0)
+                        strcpy(argv[i], "-C");
         }
 
+        int option_char;
         while (true) {
-                c = getopt_long(argc, argv, "hVH:w:c:W:C:p:t:u", longopts, &option);
+                int option = 0;
+                option_char = getopt_long(argc, argv, "hVH:w:c:W:C:p:t:u", longopts, &option);
 
-                if (c == -1 || c == EOF)
+                if (option_char == -1 || option_char == EOF)
                         break;
 
-                switch (c) {
+                switch (option_char) {
                 case '?': /* print short usage statement if args not parsable */
                         usage5();
                 case 'h': /* help */
@@ -277,12 +274,12 @@ int process_arguments(int argc, char **argv) {
                 }
         }
 
-        c = optind;
+        option_char = optind;
         if (server_address == NULL) {
-                if (argc > c) {
-                        if (!is_host(argv[c]))
+                if (argc > option_char) {
+                        if (!is_host(argv[option_char]))
                                 usage2(_("Invalid hostname/address"), optarg);
-                        server_address = argv[c];
+                        server_address = argv[option_char];
                 } else {
                         usage4(_("Hostname was not supplied"));
                 }