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Re: Is malloc garbage collecting?
From: |
Wolfgang Jährling |
Subject: |
Re: Is malloc garbage collecting? |
Date: |
Sun, 14 Apr 2002 15:33:41 +0200 |
User-agent: |
Mutt/1.0.1i |
Hi!
Guy Bormann <spaderman@SPAM.wanadoo.NO.be> wrote:
> However, what happens to the originally allocated pointer in the
> user program? Is that properly handled by mmap or is this a leak?
> (It is OK in small example programs but not for long-running
> programs that repeatedly allocate buffers.) Or is there a mistake
> in dump.c and should the user program free(buf) when it has
> changed?
Looking at what glibc/hurd/fd-read.c does, it seems to be a leak to not
check for equality and freeing the buffer. Does anyone agree/disagree?
Cheers,
GNU/Wolfgang
--
Wolfgang Jährling <wolfgang@pro-linux.de> \\ http://stdio.cjb.net/
Debian GNU/Hurd user && Debian GNU/Linux user \\ http://www.gnu.org/
The Hurd Hacking Guide: http://www.gnu.org/software/hurd/hacking-guide/
["We're way ahead of you here. The Hurd has always been on the ]
[ cutting edge of not being good for anything." -- Roland McGrath ]