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authorTheo de Raadt <deraadt@cvs.openbsd.org>2015-10-04 16:01:08 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2015-10-04 16:01:08 +0000
commit53f37065d5d871b8dee23d08cc428c30f031893d (patch)
tree49bf834b52a6c2ed621326dfab32fa0ff6deed86 /bin
parent1db8f19710e1b681870a20722be505c7a30ada77 (diff)
expr can use tame "stdio"
ok semarie
Diffstat (limited to 'bin')
-rw-r--r--bin/expr/expr.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/bin/expr/expr.c b/bin/expr/expr.c
index b5cd6063b9a..7558a0f841b 100644
--- a/bin/expr/expr.c
+++ b/bin/expr/expr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: expr.c,v 1.20 2015/08/11 17:15:46 deraadt Exp $ */
+/* $OpenBSD: expr.c,v 1.21 2015/10/04 16:01:07 deraadt Exp $ */
/* $NetBSD: expr.c,v 1.3.6.1 1996/06/04 20:41:47 cgd Exp $ */
/*
@@ -12,6 +12,7 @@
#include <limits.h>
#include <locale.h>
#include <ctype.h>
+#include <unistd.h>
#include <regex.h>
#include <err.h>
@@ -500,6 +501,9 @@ main(int argc, char *argv[])
(void) setlocale(LC_ALL, "");
+ if (tame("stdio", NULL) == -1)
+ err(1, "tame");
+
if (argc > 1 && !strcmp(argv[1], "--"))
argv++;