Difficulty fixing a regression in reading text files with MSVCRT

Erich Hoover ehoover at mines.edu
Mon Dec 28 19:03:35 CST 2009

In a surprise last-minute request it became necessary for me to get
Athena Visual Studio running under Wine again
A couple of commits to MSVCRT (that are needed for other reasons)
caused regressions in Wine's ability to run this application and I am
having a lot of difficulty getting Athena working again.  The commits
that revealed the problem are:
ebe4a9e321800fbe6d2004a640cd276a28d15c38: Remove CRs earlier in ascii mode.
7f3c70c52fe470d431a51b3363ed4f7336d5f7f5: Remove CRs earlier in ascii
mode in fseek, too.

After tracing down a lot of rabbit holes, it appears that the problem
is somehow related to how the buffer boundary influences the file
position reported by ftell.  I've attached a test case that appears
related to the issue.  I can use a native MSVCRT for now, but I would
appreciate some assistance so that this issue can be properly resolved
at some point.

Erich Hoover
ehoover at mines.edu
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