diff --git a/src/act.wizard.c b/src/act.wizard.c
index 9091eb0..55daf66 100644
--- a/src/act.wizard.c
+++ b/src/act.wizard.c
@@ -1936,8 +1936,10 @@ void add_llog_entry(struct char_data *ch, int type) {
   /* we didn't - make a new one */
   if(llast == NULL) {  /* no entry found, add ..error if close! */
     CREATE(llast,struct last_entry,1);
-    strncpy(llast->username,GET_NAME(ch),16);
-    strncpy(llast->hostname,GET_HOST(ch),128);
+    strncpy(llast->username,GET_NAME(ch),15);
+    strncpy(llast->hostname,GET_HOST(ch),127);
+    llast->username[15]='\0';
+    llast->hostname[127]='\0';
     llast->idnum=GET_IDNUM(ch);
     llast->punique=GET_PREF(ch);
     llast->time=time(0);
@@ -2054,8 +2056,11 @@ ACMD(do_last)
         num = atoi(arg);
         if (num < 0)
           num = 0;
-      } else
+      } else {
         strncpy(name, arg, sizeof(name)-1);
+        name[sizeof(name) - 1] = '\0';
+      }
+      
       half_chop(argument, arg, argument);
     }
   }
diff --git a/src/ban.c b/src/ban.c
index 3dc7f7c..9380f2e 100644
--- a/src/ban.c
+++ b/src/ban.c
@@ -169,9 +169,9 @@ ACMD(do_ban)
 
   CREATE(ban_node, struct ban_list_element, 1);
   strncpy(ban_node->site, site, BANNED_SITE_LENGTH);	/* strncpy: OK (b_n->site:BANNED_SITE_LENGTH+1) */
+  ban_node->site[BANNED_SITE_LENGTH] = '\0';
   for (nextchar = ban_node->site; *nextchar; nextchar++)
     *nextchar = LOWER(*nextchar);
-  ban_node->site[BANNED_SITE_LENGTH] = '\0';
   strncpy(ban_node->name, GET_NAME(ch), MAX_NAME_LENGTH);	/* strncpy: OK (b_n->size:MAX_NAME_LENGTH+1) */
   ban_node->name[MAX_NAME_LENGTH] = '\0';
   ban_node->date = time(0);
diff --git a/src/dg_variables.c b/src/dg_variables.c
index 2facf22..b43ba64 100644
--- a/src/dg_variables.c
+++ b/src/dg_variables.c
@@ -1628,7 +1628,7 @@ void find_replacement(void *go, struct script_data *sc, trig_data *trig,
 void var_subst(void *go, struct script_data *sc, trig_data *trig,
                int type, char *line, char *buf)
 {
-  char tmp[MAX_INPUT_LENGTH], repl_str[MAX_INPUT_LENGTH];
+  char tmp[MAX_INPUT_LENGTH], repl_str[MAX_INPUT_LENGTH - 1];
   char *var = NULL, *field = NULL, *p = NULL;
   char tmp2[MAX_INPUT_LENGTH];
   char *subfield_p, subfield[MAX_INPUT_LENGTH];
@@ -1722,4 +1722,5 @@ void var_subst(void *go, struct script_data *sc, trig_data *trig,
       left -= len;
     } /* else if *p .. */
   } /* while *p .. */
-}
\ No newline at end of file
+  buf[sizeof(buf) - 1] = '\0';
+}
diff --git a/src/genolc.c b/src/genolc.c
index ce17600..31503f1 100644
--- a/src/genolc.c
+++ b/src/genolc.c
@@ -945,7 +945,8 @@ static int export_save_rooms(zone_rnum zrnum)
         struct extra_descr_data *xdesc;
 
 	for (xdesc = room->ex_description; xdesc; xdesc = xdesc->next) {
-	  strncpy(buf, xdesc->description, sizeof(buf));
+	  strncpy(buf, xdesc->description, sizeof(buf) - 1);
+	  buf[sizeof(buf) - 1] = '\0';
 	  strip_cr(buf);
 	  fprintf(room_file,	"E\n"
 			"%s~\n"
diff --git a/src/genwld.c b/src/genwld.c
index 887b515..ce2211a 100644
--- a/src/genwld.c
+++ b/src/genwld.c
@@ -365,7 +365,8 @@ int save_rooms(zone_rnum rzone)
         struct extra_descr_data *xdesc;
 
 	for (xdesc = room->ex_description; xdesc; xdesc = xdesc->next) {
-	  strncpy(buf, xdesc->description, sizeof(buf));
+	  strncpy(buf, xdesc->description, sizeof(buf) - 1);
+	  buf[sizeof(buf) - 1] = '\0';
 	  strip_cr(buf);
 	  fprintf(sf,	"E\n"
 			"%s~\n"