1 files changed, 8 insertions, 7 deletions

diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 054f1a3..01dd35e 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -70,7 +70,7 @@ static char *server_send = NULL;
 static char *server_quit = NULL;
 static char **server_expect;
 static size_t server_expect_count = 0;
-static size_t maxbytes = 0;
+static ssize_t maxbytes = 0;
 static char **warn_codes = NULL;
 static size_t warn_codes_count = 0;
 static char **crit_codes = NULL;
@@ -105,7 +105,6 @@ main (int argc, char **argv)
         char *status = NULL;
         struct timeval tv;
         struct timeval timeout;
-        size_t len;
         int match = -1;
         fd_set rfds;
 
@@ -120,10 +119,10 @@ main (int argc, char **argv)
         if(progname != NULL) progname++;
         else progname = argv[0];
 
-        len = strlen(progname);
-        if(len > 6 && !memcmp(progname, "check_", 6)) {
+        size_t prog_name_len = strlen(progname);
+        if(prog_name_len > 6 && !memcmp(progname, "check_", 6)) {
                 SERVICE = strdup(progname + 6);
-                for(size_t i = 0; i < len - 6; i++)
+                for(size_t i = 0; i < prog_name_len - 6; i++)
                         SERVICE[i] = toupper(SERVICE[i]);
         }
 
@@ -279,11 +278,12 @@ main (int argc, char **argv)
         }
 
         /* if(len) later on, we know we have a non-NULL response */
-        len = 0;
+        ssize_t len = 0;
+
         if (server_expect_count) {
+                ssize_t received = 0;
 
                 /* watch for the expect string */
-                size_t received = 0;
                 while ((received = my_recv(buffer, sizeof(buffer))) > 0) {
                         status = realloc(status, len + received + 1);
                         memcpy(&status[len], buffer, received);
@@ -307,6 +307,7 @@ main (int argc, char **argv)
                         if(select(sd + 1, &rfds, NULL, NULL, &timeout) <= 0)
                                 break;
                 }
+
                 if (match == NP_MATCH_RETRY)
                         match = NP_MATCH_FAILURE;