--- whois.c	2003-07-20 12:15:03.000000000 +0200
+++ whois.patch.c	2003-07-20 12:15:21.000000000 +0200
@@ -78,7 +78,7 @@ int main(int argc, char *argv[])
 	}
 	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;