New subject: [Bug 58435] winepath -w conversion outputs wrong filenames

30 Jun 2025


      http://bugs.winehq.org/show_bug.cgi?id=58435
Bug ID: 58435
           Summary: winepath -w conversion outputs wrong filenames
           Product: Wine
           Version: 10.11
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: wine-bugs@winehq.org
          Reporter: madewokherd@gmail.com
      Distribution: ---
Observed in the pipeline failure here:
https://gitlab.winehq.org/mono/wine-mono/-/jobs/169670
The build script in Wine Mono uses winepath -w to get a windows path for one of
its outputs.
The command, though not logged, would have been:
winepath -w /builds/mono/wine-mono/build/winemono-support.cab
Based on debugging in other places, I think that outputs:
Z:\builds\mono\wine-mono\build\winemono-supporpport.cab
96cd811903e3d3f227c39e12235725baf793f4b9 is the first bad commit
commit 96cd811903e3d3f227c39e12235725baf793f4b9
Author: Alexandre Julliard julliard@winehq.org
Date:   Tue Jun 24 11:56:39 2025 +0200
kernel32: Reimplement conversion to DOS name using
GetFinalPathNameByHandleW.
dlls/kernel32/path.c | 44 +++++++++++++++++++++++++++++++++++---------
 1 file changed, 35 insertions(+), 9 deletions(-)
The pattern seems to be that it fails when given an absolute path to a file
that does not exist. The directory that would contain the file must exist or it
won't output anything.
The result seems to always be <path with last 5 characters cut off> + <last 9
characters of path>.
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[Bug 58435] New: winepath -w conversion outputs wrong filenames