--- ./whois.c.org	Sun Jun 15 18:36:52 2003
+++ ./whois.c	Thu Sep  4 16:06:57 2003
@@ -78,7 +78,7 @@
 	}
 	if (strchr(ripeflagsp, ch)) {
 	    for (p = fstring; *p; p++);
-	    sprintf(p--, "-%c %s ", ch, optarg);
+	    snprintf(p--, sizeof(fstring), "-%c %s ", ch, optarg);
 	    if (ch == 't' || ch == 'v' || ch == 'q')
 		nopar = 1;
 	    continue;