ntdll: Fix invalid use of uninitialized memory.

d90f2515 · Thomas Faller · Alexandre Julliard · c6afba89 · d90f2515
Commit d90f2515 authored Sep 08, 2015 by Thomas Faller Committed by Alexandre Julliard Sep 09, 2015
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path.c dlls/ntdll/path.c +1 -1

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--- a/dlls/ntdll/path.c
+++ b/dlls/ntdll/path.c
@@ -869,7 +869,7 @@ BOOLEAN WINAPI RtlIsNameLegalDOS8Dot3( const UNICODE_STRING *unicode,
    if (oem->Length > 12) return FALSE;

    /* a starting . is invalid, except for . and .. */
-    if (oem->Buffer[0] == '.')
+    if (oem->Length > 0 && oem->Buffer[0] == '.')
    {
        if (oem->Length != 1 && (oem->Length != 2 || oem->Buffer[1] != '.')) return FALSE;
        if (spaces) *spaces = FALSE;