ntdll: Properly set the current directory for UNC paths.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=37834Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Properly set the current directory for UNC paths.
3acc0b09 · Gabriel Ivăncescu · Alexandre Julliard · 702e4a4c · 3acc0b09
Commit 3acc0b09 authored Aug 23, 2018 by Gabriel Ivăncescu Committed by Alexandre Julliard Aug 24, 2018
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path.c dlls/ntdll/path.c +8 -0

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--- a/dlls/ntdll/path.c
+++ b/dlls/ntdll/path.c
@@ -1048,6 +1048,14 @@ NTSTATUS WINAPI RtlSetCurrentDirectory_U(const UNICODE_STRING* dir)
    size -= 4;
    if (size && ptr[size - 1] != '\\') ptr[size++] = '\\';

+    /* convert \??\UNC\ path to \\ prefix */
+    if (size >= 4 && !strncmpiW(ptr, UncPfxW, 4))
+    {
+        ptr += 2;
+        size -= 2;
+        *ptr = '\\';
+    }
+
    memcpy( curdir->DosPath.Buffer, ptr, size * sizeof(WCHAR));
    curdir->DosPath.Buffer[size] = 0;
    curdir->DosPath.Length = size * sizeof(WCHAR);