ntdll: Partly implement RtlDosPathNameToRelativeNtPathName_U_WithStatus.

dlls/ntdll/ntdll.spec

@@ -564,6 +564,7 @@
 # @ stub RtlDosApplyFileIsolationRedirection_Ustr
 @ stdcall RtlDosPathNameToNtPathName_U(wstr ptr ptr ptr)
 @ stdcall RtlDosPathNameToNtPathName_U_WithStatus(wstr ptr ptr ptr)
+@ stdcall RtlDosPathNameToRelativeNtPathName_U_WithStatus(wstr ptr ptr ptr)
 @ stdcall RtlDosSearchPath_U(wstr wstr wstr long ptr ptr)
 # @ stub RtlDosSearchPath_Ustr
 @ stdcall RtlDowncaseUnicodeChar(long)

dlls/ntdll/path.c

@@ -436,6 +436,27 @@ BOOLEAN  WINAPI RtlDosPathNameToNtPathName_U(PCWSTR dos_path,
     return RtlDosPathNameToNtPathName_U_WithStatus(dos_path, ntpath, file_part, cd) == STATUS_SUCCESS;
 }
 
+/**************************************************************************
+ *        RtlDosPathNameToRelativeNtPathName_U_WithStatus [NTDLL.@]
+ *
+ * See RtlDosPathNameToNtPathName_U_WithStatus (except the last parameter)
+ */
+NTSTATUS WINAPI RtlDosPathNameToRelativeNtPathName_U_WithStatus(const WCHAR *dos_path,
+    UNICODE_STRING *ntpath, WCHAR **file_part, RTL_RELATIVE_NAME *relative)
+{
+    TRACE("(%s,%p,%p,%p)\n", debugstr_w(dos_path), ntpath, file_part, relative);
+
+    if (relative)
+    {
+        FIXME("Unsupported parameter\n");
+        memset(relative, 0, sizeof(*relative));
+    }
+
+    /* FIXME: fill parameter relative */
+
+    return RtlDosPathNameToNtPathName_U_WithStatus(dos_path, ntpath, file_part, NULL);
+}
+
 /******************************************************************
  *		RtlDosSearchPath_U
  *

include/winternl.h

@@ -148,6 +148,13 @@ typedef struct RTL_DRIVE_LETTER_CURDIR
     UNICODE_STRING      DosPath;
 } RTL_DRIVE_LETTER_CURDIR, *PRTL_DRIVE_LETTER_CURDIR;
 
+typedef struct _RTL_RELATIVE_NAME
+{
+    UNICODE_STRING RelativeName;
+    HANDLE         ContainerDirectory;
+    void          *CurDirRef;
+} RTL_RELATIVE_NAME, *PRTL_RELATIVE_NAME;
+
 typedef struct tagRTL_BITMAP {
     ULONG  SizeOfBitMap; /* Number of bits in the bitmap */
     PULONG Buffer; /* Bitmap data, assumed sized to a DWORD boundary */