getopt: add some padding to EMSG to avoid overrun

2017-01-23 13:01:59 -06:00 · 2017-01-23 13:01:59 -06:00 · e36a92dc9e
parent e87595b3d1
commit e36a92dc9e
1 changed files with 2 additions and 1 deletions
--- a/getopt_long.c
+++ b/getopt_long.c
@ -83,7 +83,8 @@ char    *pkg_optarg;		/* argument associated with option */
 #define	BADARG		((*options == ':') ? (int)':' : (int)'?')
 #define	INORDER 	(int)1

-#define	EMSG		""
+/* add some padding to EMSG to avoid overrun */
+#define	EMSG		"\0\0\0\0"

 #ifdef GNU_COMPATIBLE
 #define NO_PREFIX	(-1)