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Re: [RFC][PATCH v2] Add reallocarray function.

From: Paul Eggert <eggert at cs dot ucla dot edu>
To: Rich Felker <dalias at libc dot org>, "Joseph S. Myers" <joseph at codesourcery dot com>
Cc: RÃdiger Sonderfeld <ruediger at c-plusplus dot de>, libc-alpha at sourceware dot org
Date: Mon, 19 May 2014 22:47:50 -0700
Subject: Re: [RFC][PATCH v2] Add reallocarray function.
Authentication-results: sourceware.org; auth=none
References: <5379208F dot 8030000 at cs dot ucla dot edu> <2080621 dot 6fAB4UMNoY at descartes> <Pine dot LNX dot 4 dot 64 dot 1405191501120 dot 25418 at digraph dot polyomino dot org dot uk> <20140520020108 dot GV507 at brightrain dot aerifal dot cx>

Rich Felker wrote:

Not really related to this patch, but I think the comment about
__attribute_malloc__ that was copied from realloc is wrong. The new
and old pointers cannot alias

You're correct that the new and old pointers cannot alias, but I fearthat __attribute_malloc__ does not mean what you think it means. TheGCC documentation is *really* confusing in this area, unfortunately.


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56955

References:
- Re: [RFC][PATCH] Add reallocarray function.
  - From: Paul Eggert
- [RFC][PATCH v2] Add reallocarray function.
  - From: Rüdiger Sonderfeld
- Re: [RFC][PATCH v2] Add reallocarray function.
  - From: Joseph S. Myers
- Re: [RFC][PATCH v2] Add reallocarray function.
  - From: Rich Felker

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