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Re: Getting a good temporary directory

From: Simon Josefsson
Subject: Re: Getting a good temporary directory
Date: Mon, 24 Sep 2012 13:26:43 +0200
User-agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/23.3 (gnu/linux)

Reuben Thomas <address@hidden> writes:

> I'm trying to rewrite some code that uses tmpname to use mkstemp.
> Unfortunately, I can't see a simple way to get a good location for
> temporary files independently of tmpname. P_tmpdir is obsolescent and
> optional, and it seems that there's no other POSIX way to get at "the
> path commonly known as /tmp".

Am I missing something, or why couldn't you use getenv("TMPDIR")?  It is
defined by POSIX:


If it is not available, falling back to "/tmp" would not be an error as
far as I can tell.  POSIX environments should have TMPDIR defined.


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