[Python-Dev] Symbolic errno values in error messages
Jean-Paul Calderone
exarkun at divmod.com
Fri May 16 16:38:56 CEST 2008
On Sat, 17 May 2008 00:15:23 +1000, Nick Coghlan <ncoghlan at gmail.com> wrote:
>Alexander Belopolsky wrote:
>>Yannick Gingras <ygingras <at> ygingras.net> writes:
>>>2) Where can I find the symbolic name in C?
>>
>>Use standard C library char* strerror(int errnum) function. You can see
>>an example usage in Modules/posixmodule.c (posix_strerror).
>
>I don't believe that would provide adequate Windows support.
>
It's not C, but maybe it's interesting to look at anyway:
http://twistedmatrix.com/trac/browser/trunk/twisted/python/win32.py?rev=21682#L94
However, neither strerror nor the linked code gives out symbolic names for
errnos. They both produce messages like "Interrupted system call", whereas
the symbolic name would be "EINTR". Modules/errnomodule.c might be worth
looking at, although its solution is somewhat disappointing.
Jean-Paul
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