Microsoft KB Archive/34500

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FIX: Mixing \ and / in Command Line Causes Problems

Article ID: 34500

Article Last Modified on 10/29/2003


  • Microsoft Macro Assembler 5.1 Standard Edition

This article was previously published under Q34500


When mixing \ and / on the MASM command line, MASM will sometimes give incorrect results and hang. The following command line causes these problems:

   masm -I\sl200qr\sl -Mx -DVERS_DDQR -I\sl200qr/sl/cmerge/src/Common

The option -Mx will be ignored. MASM also hangs when processing some assembler files.


In this case, MASM was incorrectly extracting the base name; it wrote the full path into an array big enough only for an 8.3 filename, thus overwriting many global flags.


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

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

Keywords: kbfix KB34500