From: cym224@gmail.com (Nemo)
Subject: [TUHS] TUHS Digest, Vol 128, Issue 1
Date: Fri, 11 Sep 2015 08:21:17 -0400 [thread overview]
Message-ID: <CAJfiPzwZWT8h5Cn75eNHs_vOVnGyu+5CpQjn4oVAatfgjd=XMw@mail.gmail.com> (raw)
In-Reply-To: <CAMYpm87tBZ_P=W10O72sgoPNtK53M1SL+P_EfS=Dfy9NB7ZVcQ@mail.gmail.com>
On 11 September 2015 at 02:21, Rudi Blom <rudi.j.blom at gmail.com> wrote
(in part):
> I never used realloc(), only malloc() and calloc().
>
> Checking a few unixes I have access to all reallocs() seem to state
> either nothing on contents of memory added or state explicitly
> 'undefined'.
To be pedantic, if it's POSIX then:
(from http://pubs.opengroup.org/onlinepubs/9699919799/)
The contents of the new object shall be the same as that of the old
object prior to deallocation, up to the lesser of the new and old
sizes. Any bytes in the new object beyond the size of the old object
have indeterminate values.
N.
next prev parent reply other threads:[~2015-09-11 12:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.1.1441936807.9984.tuhs@minnie.tuhs.org>
2015-09-11 6:21 ` Rudi Blom
2015-09-11 12:21 ` Nemo [this message]
2015-09-11 13:17 ` Warner Losh
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