Obvious pledge "stdio" for yes.

ok deraadt@

diff --git a/usr.bin/yes/yes.c b/usr.bin/yes/yes.c
index b7bf70e..023fefc 100644 (file)
--- a/usr.bin/yes/yes.c
+++ b/usr.bin/yes/yes.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: yes.c,v 1.8 2009/10/27 23:59:50 deraadt Exp $ */
+/*     $OpenBSD: yes.c,v 1.9 2015/10/13 07:03:26 doug Exp $    */
 /*     $NetBSD: yes.c,v 1.3 1994/11/14 04:56:15 jtc Exp $      */
 
 /*
@@ -30,11 +30,16 @@
  * SUCH DAMAGE.
  */
 
+#include <err.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int
 main(int argc, char *argv[])
 {
+       if (pledge("stdio", NULL) == -1)
+               err(1, "pledge");
+
        if (argc > 1)
                for (;;)
                        puts(argv[1]);