--- ./mod_whois.c.org	2015-09-28 10:14:20.053113205 +0200
+++ ./mod_whois.c	2015-09-28 10:16:24.859605173 +0200
@@ -31,7 +31,7 @@ module AP_MODULE_DECLARE_DATA whois_modu
 
 typedef struct whois_conn_rec {
         int whois_on;
-        char *whois_prefix;
+        const char *whois_prefix;
 } whois_conn_rec;
 
 
@@ -69,7 +69,7 @@ apr_status_t whois_input_filter(ap_filte
 	const char *original;
 	char *quoted;
 	char *crlfpos;
-	int len;
+	apr_size_t len;
 	
 	if (mode != AP_MODE_GETLINE) {
 		return ap_get_brigade(f->next, b, mode, block, readbytes);
@@ -163,4 +163,3 @@ module AP_MODULE_DECLARE_DATA whois_modu
 	whois_cmds,
 	register_hooks
 };
-