| Re: [AD] dat/grabber and pack_fopen_chunk |
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On Sunday, January 22, 2006, at 02:23 pm, Evert Glebbeek wrote:
The problem is that it does not seem to specify the directory that it
will
be placed in, returning EACCES if the directory it tries to use is not
writable.
I read it as meaning that, although the _standard_ does not say where
it should go, the directory chosen will be a suitable one (it may just
be /tmp, I just tried in on the Mac and it was /var/tmp)
These guys never try to do things the
easy way, do they?
Weird how you can pass it an integer to ensure that you _don't_ get a
random filename.
The creation of temporary files seems to have three parts. (i) to find
a suitable location (ii) make a 'random', unique filename... (iii)...
and open it atomically. I don't exactly understand but there seems to
be a security risk if another process can jump in and access the
temporary file, after you've decided its name, but before you've opened
it.
Pete