Mail Archives: cygwin/2005/08/20/02:24:29
On Fri, Aug 19, 2005 at 05:24:20PM +0100, syphon wrote:
>I'm trying to build some example code from 'Programming with POSIX
>Threads' by David Butenhof, and have run into an error because one of
>the programs calls readdir_r. From googling and searching the mailing
>lists, it looks like there has been some work done on the re-entrant
>versions of the standard functions, but nothing seems to be built in the
>shipping binary code.
>
>I downloaded the cygwin source and there is definition for readdir_r in
>newlib/libc/posix however there is no corresponding declaration in any
>header file.
>
>My question is, is there a reason that the re-entrant versions of the
>functions like readdir_r are not built?
>
>This isn't a critical issue for me - I just want to play with this stuff
>on my laptop on the train without needing to dual-boot into linux (so
>I'm just being lazy!). However I'm still curious, so if anyone has an
>answer I'd be greatful.
In 90% of the cases, the reason for "Why doesn't X exist?" is that no
one had taken the time to implement it. That was the case here.
readdir_r was never implemented. I have, however, just added it to the
DLL. It will be in the next cygwin snapshot:
http://cygwin.com/snapshots/
cgf
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