Ken Thomases : ntdll: Increase name buffer size in read_directory_getattrlist() for UTF-8 encoding.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f6926b35153888f85453856f3d3e74ac62ba3e70
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=f6926b35153888f85453856f3d...

Author: Ken Thomases <ken(a)codeweavers.com>
Date:   Wed May 20 14:58:52 2015 -0500

ntdll: Increase name buffer size in read_directory_getattrlist() for UTF-8 encoding.

The docs for getattrlist() say that ATTR_CMN_NAME can return up to NAME_MAX + 1
Unicode characters (code points) encoded in UTF-8, which means it can be up to
NAME_MAX * 3 + 1 bytes.

---

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

diff --git a/dlls/ntdll/directory.c b/dlls/ntdll/directory.c
index 455fbc6..0e5af8a 100644
--- a/dlls/ntdll/directory.c
+++ b/dlls/ntdll/directory.c
@@ -2144,7 +2144,7 @@ static int read_directory_getattrlist( int fd, IO_STATUS_BLOCK *io, void *buffer
     {
         u_int32_t length;
         struct attrreference name_reference;
-        char name[NAME_MAX + 1];
+        char name[NAME_MAX * 3 + 1];
     } attrlist_buffer;
 
     TRACE("looking up file %s\n", debugstr_us( mask ));