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Re: [PATCH] Avoid munmap(x, 0) in malloc

To: Jakub Jelinek <jakub at redhat dot com>
Subject: Re: [PATCH] Avoid munmap(x, 0) in malloc
From: Ulrich Drepper <drepper at redhat dot com>
Date: 18 Jul 2001 13:30:09 -0700
Cc: Glibc hackers <libc-hacker at sources dot redhat dot com>, Wolfram Gloger <wg at malloc dot de>
References: <20010718221745.M821@sunsite.ms.mff.cuni.cz>
Reply-To: drepper at cygnus dot com (Ulrich Drepper)

Jakub Jelinek <jakub@redhat.com> writes:

> 2001-07-18  Jakub Jelinek  <jakub@redhat.com>
> 
> 	* malloc/malloc (new_heap): Don't call munmap for zero length.

Looks OK.  Even if this condition wouldn't happen often it's
worthwhile adding the patch since it shouldn't be relied on the kernel
catching invalid requests.

Thanks,

-- 
---------------.                          ,-.   1325 Chesapeake Terrace
Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
Red Hat          `--' drepper at redhat.com   `------------------------

References:
- [PATCH] Avoid munmap(x, 0) in malloc
  - From: Jakub Jelinek

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