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On Sat, Aug 11, 2012 at 10:32:13AM -0700, Andrew DeFaria wrote:Which is really all the more reason to output the Windows error message along with perhaps the status code. That is if the goal is understandability. If the goal is obfuscation then I'd say your well on your way to hitting your mark. ;-)On 08/10/2012 07:32 PM, Larry Hall (Cygwin) wrote:On 8/10/2012 7:31 PM, Andrew DeFaria wrote:I use Cygwin a lot. And I kick off Windows processes a lot. Recently I've been having a problem with my system but from Cygwin all I see is "permission denied":
Ltsdo-adefaria:cd /cygdrive/c/Program\ Files/IBM/RationalSDLC/Clearquest Ltsdo-adefaria:ls -l clearquest.exe -rwxr-xr-x+ 1 Administrators clearusers 245760 Jun 2 2011 clearquest.exe* Ltsdo-adefaria:clearquest bash: ./clearquest: Permission denied Ltsdo-adefaria:
However if I use cmd the real error message comes out:
Ltsdo-adefaria:cmd /c clearquest The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail.
I know that this "side-by-side configuration is incorrect" is a configuration error on my machine and I need to fix it, but shouldn't Cygwin's exec(2) report the "side-by-side" error instead of the more erroneous "Permission denied" error?Cygwin doesn't report Windows error codes. It reports POSIX ones. I have no idea why there would be a POSIX error code for side-by-side errors but if there were, then reporting that is more appropriate.I thought that perhaps Cygwin would report back error *messages* not just error *codes*...Cygwin emulates Linux. "Permission denied" is an error message associated with a specific errno. Neither Cygwin nor Linux know anything about a "side-by-side" configuration problem.
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