Mail Archives: cygwin/2007/08/22/15:53:17
Corinna Vinschen schrieb:
> So, in the Linux/FAT example we have a case-sensitive OS with a
> case-insensitive FS, with Win32/NTFS (Cygwin/NTFS) we have a
> case-insensitive OS with a case-sensitive FS. While the NT kernel can
> return information about the case-sensitivity of the underlying FS (***)
> (****), I don't know about other OSes.
BTW, I just improved the perl API concerning Win32 case-tolerance.
perldoc File::Spec
Cygwin
Cygwin case-tolerance depends on managed mount settings and as with
MsWin32 on GetVolumeInformation() ouFsFlags == FS_CASE_SENSITIVE,
indicating the case significance when comparing file specifications.
Default: 1
MsWin32
MSWin32 case-tolerance depends on GetVolumeInformation() ouFsFlags ==
FS_CASE_SENSITIVE, indicating the case significance when comparing file
specifications.
Since XP FS_CASE_SENSITIVE is effectively disabled for the NT subsubsystem.
See http://cygwin.com/ml/cygwin/2007-07/msg00891.html
Default: 1
Interestingly:
Epoc, VMS, OS2 and Mac are all case tolerant, too.
> So we're back to fpathconf(_PC_CASE_INSENSITIVE): It appears that
> case-insensitive operation on the POSIX application level depends on
> such a flag. I'm also planning to allow case-sensitive operation on
> NTFS in Cygwin at one point, which would make this flag necessary as
> well. I don't think it would ever become part of the POSIX standard,
> though.
>
>
> Corinna
>
>
>
> (*) In theory, Cygwin's rename could do the same and still move within
> POSIX rules, no matter how frustrating this behaviour might be.
>
> (**) Plus a registry setting since XP.
>
> (***) See the FILE_CASE_SENSITIVE_SEARCH file system flag:
> http://cygwin.com/ml/cygwin/2007-08/msg00013.html
>
> (****) As far as the underlying FS returns the correct flags, of course.
--
Reini Urban
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