Re: problem (bug?) with svn1.4.2 on cygwin

On Tuesday 06 February 2007 11:41, Ryan Schmidt wrote:
[SVN/Cygwin treating X.exe like X]
> Can another Windows+cygwin user on the list please try whether they
> experience the same problem? If so, then it sounds like we've found a
> bug. Check the issue tracker to see if it's already been reported
> (though I'm not sure what to search for...). If you can't find a bug
> like this (and someone else confirms the behavior on their system),
> then you should submit a bug report, providing a link back to this
> discussion thread:
>
> http://svn.haxx.se/users/archive-2007-02/0194.shtml

I can neither confirm nor deny the behaviour, because I didn't try to
reproduce it, but I think I can explain it. I did some attempts in
reproducing the problem and came up with the following info. All this assumes
that I have an executable called a.exe.

1. If I issue 'ls a', it displays the same output as for 'ls a.exe' but with
the filename just 'a'.
2. Other tools like 'rm' don't extend the missing extension automatically,
i.e. 'rm a' fails.
3. Programmatically, a call to 'fopen("./a", "r")' fails, while a call
to 'fopen("./a.exe", "r")' succeeds.
4. Dito, but using stat() instead of fopen(), both calls succeed, which is
probably also what lies underneath the behaviour of ls.

I guess it's a feature of Cygwin that executables are treated differently and
that it silently allows a missing extension for them so you can type 'gcc' in
the commandline instead of having to call 'gcc.exe'. I looked for similar
hacks for '.bat', '.com' and '.dll', but neither shows similar behaviour.

cheers

Uli

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