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.

ntdll: Increase name buffer size in read_directory_getattrlist() for UTF-8 encoding.
f6926b35 · Ken Thomases · Alexandre Julliard · e24eb501 · f6926b35
Commit f6926b35 authored May 20, 2015 by Ken Thomases Committed by Alexandre Julliard May 21, 2015
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directory.c dlls/ntdll/directory.c +1 -1

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--- 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 ));