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Re: [PATCH 4/5] [mingw]: Delete existing target file before attempting r

From: Andy Wingo
Subject: Re: [PATCH 4/5] [mingw]: Delete existing target file before attempting rename.
Date: Thu, 16 Jun 2011 23:45:48 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux)

Hi Jan,

On Sun 01 May 2011 13:40, Andy Wingo <address@hidden> writes:

> On Tue 15 Feb 2011 16:35, Jan Nieuwenhuizen <address@hidden> writes:
>> From: Jan Nieuwenhuizen <address@hidden>
>> 2011-02-15  Jan Nieuwenhuizen  <address@hidden>
>>      * libguile/filesys.c [MINGW32] (my_rename): Add implementation
>>      that deletes target if it exists.  Fixes rename behaviour.
> This patch has the obvious race condition.  Why does the `rename'
> library routine not work on Win32?  The man page says
>            4.3BSD, C89, C99, POSIX.1-2001.
> so I am surprised about this behavior.

C99 actually doesn't specify what happens if the destination file

I have added the `rename' gnulib module, which should fix this
particular issue (modulo canonicalize-lgpl, of course).


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