From owner-freebsd-bugs Tue Jan 28 12:20: 4 2003 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C0E2837B401 for ; Tue, 28 Jan 2003 12:20:03 -0800 (PST) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7173C43E4A for ; Tue, 28 Jan 2003 12:20:03 -0800 (PST) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.6/8.12.6) with ESMTP id h0SKK3NS073304 for ; Tue, 28 Jan 2003 12:20:03 -0800 (PST) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.6/8.12.6/Submit) id h0SKK3I4073303; Tue, 28 Jan 2003 12:20:03 -0800 (PST) Date: Tue, 28 Jan 2003 12:20:03 -0800 (PST) Message-Id: <200301282020.h0SKK3I4073303@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: David Schultz Subject: Re: bin/47599: Memory leak on stdout Reply-To: David Schultz Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org The following reply was made to PR bin/47599; it has been noted by GNATS. From: David Schultz To: "Sean C. Farley" Cc: FreeBSD-gnats-submit@FreeBSD.ORG Subject: Re: bin/47599: Memory leak on stdout Date: Tue, 28 Jan 2003 12:11:45 -0800 Thus spake Sean C. Farley : > 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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message