Hugh McMaster : reg: Avoid possible out-of-bounds memory access when a switch is only a forward slash or hyphen.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7d962327b12cc0f07681fe46c8d4c5715faeb819
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7d962327b12cc0f07681fe46c8...

Author: Hugh McMaster <hugh.mcmaster(a)outlook.com>
Date:   Thu Jun  9 05:48:29 2016 +0000

reg: Avoid possible out-of-bounds memory access when a switch is only a forward slash or hyphen.

Signed-off-by: Hugh McMaster <hugh.mcmaster(a)outlook.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 programs/reg/reg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/reg/reg.c b/programs/reg/reg.c
index 7d9c972..20df2dd 100644
--- a/programs/reg/reg.c
+++ b/programs/reg/reg.c
@@ -937,7 +937,7 @@ int wmain(int argc, WCHAR *argvW[])
                 value_all = TRUE;
                 continue;
             }
-            else if (ptr[1])
+            else if (!ptr[0] || ptr[1])
             {
                 output_message(STRING_INVALID_CMDLINE);
                 return 1;