tame "stdio". It would take some doing for this to contain a bug, but

just in case -- now it can barely do anything when it goes wrong.

1 files changed, 5 insertions, 1 deletions

diff --git a/usr.bin/getopt/getopt.c b/usr.bin/getopt/getopt.c
index f0c3869181f..b0781e62058 100644
--- a/usr.bin/getopt/getopt.c
+++ b/usr.bin/getopt/getopt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getopt.c,v 1.8 2009/10/27 23:59:38 deraadt Exp $	*/
+/*	$OpenBSD: getopt.c,v 1.9 2015/10/07 06:39:16 deraadt Exp $	*/
 
 /*
  * This material, written by Henry Spencer, was released by him
@@ -8,6 +8,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <err.h>
 
 int
 main(int argc, char *argv[])
@@ -17,6 +18,9 @@ main(int argc, char *argv[])
 	int c;
 	int status = 0;
 
+	if (tame("stdio", NULL) == -1)
+		err(1, "tame");
+
 	optind = 2;	/* Past the program name and the option letters. */
 	while ((c = getopt(argc, argv, argv[1])) != -1)
 		switch (c) {