[Bug 28258] cmd/batch.ok fails under WINEDEBUG=warn+heap

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28258

Jason Edmeades <us at edmeades.me.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |us at edmeades.me.uk

--- Comment #2 from Jason Edmeades <us at edmeades.me.uk> 2012-09-04 17:40:15 CDT ---
A fun one :-)

The key here is the line "cd .. & rd /s/q foobar"

cd is passed ".. " as the command line and it copies it into a buffer,
character by character. It then loops stripping off trailing whitespace,
checking we havent walked over the front of the buffer. However the variable
which is the front of the buffer is wrong... Without heap+warn, lower in memory
so passes, but with heap_warn it isnt, and we fail to remove the space, ending
up looking for ".. " as the actual directory name, which FindFirstFile fails to
find.

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