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Date:      Tue, 28 Jan 2003 12:30:04 -0800 (PST)
From:      Sean Farley <sean-freebsd@farley.org>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: bin/47599: Memory leak on stdout
Message-ID:  <200301282030.h0SKU4WE075441@freefall.freebsd.org>

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The following reply was made to PR bin/47599; it has been noted by GNATS.

From: Sean Farley <sean-freebsd@farley.org>
To: David Schultz <dschultz@uclink.Berkeley.EDU>
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: bin/47599: Memory leak on stdout
Date: Tue, 28 Jan 2003 14:28:42 -0600 (CST)

 On Tue, 28 Jan 2003, David Schultz wrote:
 
 > Thus spake Sean C. Farley <sean-freebsd@farley.org>:
 > > 	When testing an application for memory leaks, I noticed one that
 > > 	I could not get rid of.  I happened to be allocated from
 > > 	/usr/src/lib/libc/stdio/makebuf.c on line 72, but only when
 > > 	printf() (or really any function) used stdout.  Adding an
 > > 	fclose(stdout) to the end of my application fixed the memory
 > > 	leak.
 > >
 > > 	I realize this is not much of a leak, but I thought it would be
 > > 	nice to have it either documented or fixed before others run
 > > 	into this confusing leak.
 >
 > I don't think it's a bug that libc lazily allocates memory for the
 > three standard file descriptors.  I think you should consider this a
 > false positive from dmalloc.
 
 Do you mean lazily deallocates memory?  I think the allocation is
 perfectly fine.  I was just wondering if there is a point at which libc
 was supposed to free the memory before exit.  A hook similar to
 atexit()?
 
 Sean
 -----------------------
 sean-freebsd@farley.org

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