[Bug 7961] Bug in findfirst/findnext

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=7961

Lauri Kenttä <lauri.kentta at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |lauri.kentta at gmail.com

--- Comment #18 from Lauri Kenttä <lauri.kentta at gmail.com> ---
Created attachment 56304
  --> https://bugs.winehq.org/attachment.cgi?id=56304
Tests for FindFirstFile

I hacked the FindFirstFile + FindNextFile from Wine into a stand-alone program
(attached) to see where the bug lies. This test shows that the Wine functions
work exactly the same on Wine and Windows, which means that the problem is in
the implementation of FindFirstFile (or FindNextFile) and not in any of the
other places.

My test output on Windows:

RtlGetFullPathName_U: '*.' -> 'Z:\7961\*'
RtlDosPathNameToNtPathName_U: '*.' -> '\??\Z:\7961\*'
RtlGetFullPathName_U: '*. ' -> 'Z:\7961\*'
RtlDosPathNameToNtPathName_U: '*. ' -> '\??\Z:\7961\*'

'*', wine copy: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',
'*', real deal: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',

'*.*', wine copy: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',
'*.*', real deal: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',

'.*', wine copy: '.', '..', '.dot-start',
'.*', real deal: '.', '..', '.dot-start',

'*.', wine copy: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',
'*.', real deal: '.', '..', 'dot-end', 'no-ext',

'*. ', wine copy: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',
'*. ', real deal: '.', '..', 'dot-end', '.dot-start', 'no-ext', 'full.ext',

On Wine, as you can guess, the "real deal" lines are identical to the "wine
copy" lines, so the only difference is with '*.', as this bug report states.

What's interesting is that adding a space after the dot makes Windows strip the
dot as well.

Apparently there should be some magic in FindFirstFile to detect and handle
paths ending with a dot.

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