--- snort-2.8.5.1.orig/src/parser.c	2009-10-02 22:29:56.000000000 +0200
+++ snort-2.8.5.1/src/parser.c	2009-12-27 17:20:27.000000000 +0100
@@ -4362,7 +4362,7 @@ static char * ExpandVars(SnortConfig *sc
     if(!string || !*string || !strchr(string, '$'))
         return(string);
 
-    bzero((char *) estring, PARSERULE_SIZE);
+    memset((char *) estring, 0, PARSERULE_SIZE);
 
     i = j = 0;
     l_string = strlen(string);
@@ -4381,7 +4381,7 @@ static char * ExpandVars(SnortConfig *sc
 
         if(c == '$' && !quote_toggle)
         {
-            bzero((char *) rawvarname, sizeof(rawvarname));
+            memset((char *) rawvarname, 0, sizeof(rawvarname));
             varname_completed = 0;
             name_only = 1;
             iv = i;
@@ -4421,8 +4421,8 @@ static char * ExpandVars(SnortConfig *sc
 
                 varcontents = NULL;
 
-                bzero((char *) varname, sizeof(varname));
-                bzero((char *) varaux, sizeof(varaux));
+                memset((char *) varname, 0, sizeof(varname));
+                memset((char *) varaux, 0, sizeof(varaux));
                 varmodifier = ' ';
 
                 p = strchr(rawvarname, ':');
@@ -4439,7 +4439,7 @@ static char * ExpandVars(SnortConfig *sc
                 else
                     SnortStrncpy(varname, rawvarname, sizeof(varname));
 
-                bzero((char *) varbuffer, sizeof(varbuffer));
+                memset((char *) varbuffer, 0, sizeof(varbuffer));
 
                 varcontents = VarSearch(sc, varname);