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Re: glibc realloc(ptr, 0) vs. C17 specification

From: Paul Eggert <eggert at cs dot ucla dot edu>
To: Florian Weimer <fw at deneb dot enyo dot de>, Eric Blake <eblake at redhat dot com>
Cc: libc-alpha at sourceware dot org
Date: Tue, 6 Aug 2019 16:08:37 -0700
Subject: Re: glibc realloc(ptr, 0) vs. C17 specification
References: <c9b86504-8592-3487-f8c0-92af079d5df0@redhat.com> <87a7cm3z91.fsf@mid.deneb.enyo.de>

Florian Weimer wrote:

I don't expect we will make changes to glibc, no matter what C17 says.

Yes, as this appears to be an unintended bug in the standards. It's safer toleave the behavior alone while the standards-writers fix the bug.

References:
- glibc realloc(ptr, 0) vs. C17 specification
  - From: Eric Blake
- Re: glibc realloc(ptr, 0) vs. C17 specification
  - From: Florian Weimer

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