DOCUMENT:Q30383  04-MAY-2001  [masm]
TITLE   :FIX: SUBSTR Will Not Work if Target Is the Same as Source
PRODUCT :Microsoft Macro Assembler
PROD/VER::5.1
OPER/SYS:
KEYWORDS:

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Macro Assembler (MASM), version 5.1 
-------------------------------------------------------------------------------

SYMPTOMS
========

The SUBSTR assignment to A in the following program should not be different than
the SUBSTR assignment to B:

       .MODEL SMALL
       .CODE
   A   equ    <abcdef>
   B   substr A,4
   A   substr A,4
       END

In this program, the assignment to B is "abcdef". The assignment to A is "def".

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Macro Assembler (MASM)
version 5.1. This problem was corrected in MASM version 5.1a.

Additional query words: 5.10 buglist5.10 fixlist5.10a

======================================================================
Keywords          :  
Technology        : kbMASMsearch kbAudDeveloper kbMASM510
Version           : :5.1
Solution Type     : kbfix

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 2001.