gdi32: Handle NULL name when setting registry value.

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

gdi32: Handle NULL name when setting registry value.
5e481ab9 · Nikolay Sivov · Alexandre Julliard · df08cd44 · 5e481ab9
Commit 5e481ab9 authored Sep 24, 2021 by Nikolay Sivov Committed by Alexandre Julliard Sep 24, 2021
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font.c dlls/gdi32/font.c +1 -1

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--- 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 );
 }