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Message-ID: <20140424165743.GA643@muslin>
Date: Thu, 24 Apr 2014 09:57:44 -0700
From: Isaac Dunham <ibid.ag@...il.com>
To: musl@...ts.openwall.com
Subject: looking at fmtmsg-is dprintf oom-safe?
Hello,
I've been poking at fmtmsg(), since if I added that and used sdbm for
dbm.h, I'd have XSI coverage.
Due to the use case for fmtmsg (reporting errors, including terminal
errors), I expect it needs to work even when malloc() fails.
My understanding is that this would exclude using fopen().
I could use several calls to write() (I currently have a preliminary
version that does this), but dprintf() would be more optimal.
As far as I can tell, dprintf() should still work when malloc() fails,
but I'd like to confirm this.
Thanks,
Isaac Dunham
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