Re: Adding a realloc() usage note to the malloc(3) manual page

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To: mtk.manpages@xxxxxxxxx
Subject: Re: Adding a realloc() usage note to the malloc(3) manual page
From: Paul Eggert <eggert@xxxxxxxxxxx>
Date: Thu, 2 Sep 2021 00:46:46 -0700
Cc: Florian Weimer <fweimer@xxxxxxxxxx>, "libc-alpha@xxxxxxxxxxxxxx" <libc-alpha@xxxxxxxxxxxxxx>, linux-man <linux-man@xxxxxxxxxxxxxxx>, "Alejandro Colomar (man-pages)" <alx.manpages@xxxxxxxxx>
In-reply-to: <CAKgNAkiQ7TUkmwyPGh5eotAZsgawy1d5NdDf17U=5Z5TgWWccA@mail.gmail.com>
Organization: UCLA Computer Science Department
References: <CAKgNAkjv2vVDU+z4ActGqo8gcZekCnZFRVESz_hhNjdPvbV96w@mail.gmail.com> <87lf4im6sf.fsf@oldenburg.str.redhat.com> <03f3b96f-1dd4-e9cb-2f24-7fc8ae7252bc@cs.ucla.edu> <CAKgNAki2zUjpw8BJDvmAN_8ZAMsBZx_dYn8RM4+KDefFbQq7UQ@mail.gmail.com> <f89632f5-432f-9f7e-97e4-7de3595be0e8@cs.ucla.edu> <CAKgNAkiQ7TUkmwyPGh5eotAZsgawy1d5NdDf17U=5Z5TgWWccA@mail.gmail.com>
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On 9/1/21 10:22 PM, Michael Kerrisk (man-pages) wrote:

I suppose that you are talking about this
sentence (which I did finally discover) from Section 6.2.4 ("Storage
durations of objects") in the C11 standard:

[[
The value of a pointer becomes indeterminate when the object it points
to (or just past) reaches the end of its lifetime.
]]

Although I haven't checked the standard, that does sound like the sortof thing I was talking about, yes.

References:
- Adding a realloc() usage note to the malloc(3) manual page
  - From: Michael Kerrisk (man-pages)
- Re: Adding a realloc() usage note to the malloc(3) manual page
  - From: Florian Weimer
- Re: Adding a realloc() usage note to the malloc(3) manual page
  - From: Paul Eggert
- Re: Adding a realloc() usage note to the malloc(3) manual page
  - From: Michael Kerrisk (man-pages)
- Re: Adding a realloc() usage note to the malloc(3) manual page
  - From: Paul Eggert
- Re: Adding a realloc() usage note to the malloc(3) manual page
  - From: Michael Kerrisk (man-pages)

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