Nikolay Sivov : gdi32: Handle NULL name when setting registry value.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5e481ab965b85c26c20c71799093383562b9522c
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=5e481ab965b85c26c20c71799...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Fri Sep 24 10:53:59 2021 +0300

gdi32: Handle NULL name when setting registry value.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51789
Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
Signed-off-by: Huw Davies <huw(a)codeweavers.com>
Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/gdi32/font.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/gdi32/font.c b/dlls/gdi32/font.c
index 274c1d83aba..6011f258499 100644
--- a/dlls/gdi32/font.c
+++ b/dlls/gdi32/font.c
@@ -506,7 +506,7 @@ static HKEY reg_create_key( HKEY root, const WCHAR *name, ULONG name_len,
 
 static void set_reg_value( HKEY hkey, const WCHAR *name, UINT type, const void *value, DWORD count )
 {
-    unsigned int name_size = lstrlenW( name ) * sizeof(WCHAR);
+    unsigned int name_size = name ? lstrlenW( name ) * sizeof(WCHAR) : 0;
     UNICODE_STRING nameW = { name_size, name_size, (WCHAR *)name };
     NtSetValueKey( hkey, &nameW, 0, type, value, count );
 }