From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22023 invoked by alias); 22 Nov 2016 17:42:27 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 21953 invoked by uid 89); 22 Nov 2016 17:42:26 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_PASS,URIBL_RED autolearn=ham version=3.3.2 spammy=management X-HELO: relay1.mentorg.com Date: Tue, 22 Nov 2016 17:42:00 -0000 From: Joseph Myers To: Florian Weimer CC: Zack Weinberg , , Siddhesh Poyarekar Subject: Re: Evolution of ELF symbol management In-Reply-To: <137dfcf1-eeeb-89c6-9882-b290983bc482@redhat.com> Message-ID: References: <9727f95a-df3d-ec11-8c1d-9b7ea6cbcaac@redhat.com> <0c682496-5c13-b3c5-ff66-0f8923a1d6e3@panix.com> <94e35eaa-a01d-db4e-eabe-6d100e581302@redhat.com> <137dfcf1-eeeb-89c6-9882-b290983bc482@redhat.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-ClientProxiedBy: svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) To svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) X-SW-Source: 2016-11/txt/msg00801.txt.bz2 On Tue, 22 Nov 2016, Florian Weimer wrote: > I have no idea at all why __bzero was introduced. It doesn't look like a It used to be used in a bits/string2.h definition of memset which involved: __builtin_constant_p (c) && (c) == '\0' ? ({ void *__s = (s); __bzero (__s, n); __s; }) : memset (s, c, n) -- Joseph S. Myers joseph@codesourcery.com