Path: utzoo!news-server.csri.toronto.edu!rutgers!mcnc!uvaarpa!haven!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: sbrk(2) question
Message-ID: <15424@smoke.brl.mil>
Date: 10 Mar 91 22:20:39 GMT
References: <1991Mar8.180132.12025@Think.COM>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 7

In article <1991Mar8.180132.12025@Think.COM> barmar@think.com (Barry Margolin) writes:
>This question came up at work yesterday: when sbrk(2) is used to increase
>the size of the data segment, is the newly-allocated memory guaranteed to
>be empty?

You should not assume that.  If you want it to contain 0-valued bytes,
use memset() to fill it with 0 bytes.