From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jay Soffian" Subject: Re: [PATCH 1/5] Add generic 'strbuf_readlink()' helper function Date: Wed, 17 Dec 2008 16:26:36 -0500 Message-ID: <76718490812171326q4d8896c1yb535873c71eec23f@mail.gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: "Junio C Hamano" , "Git Mailing List" To: "Linus Torvalds" X-From: git-owner@vger.kernel.org Wed Dec 17 22:28:10 2008 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1LD3vw-0004K3-SN for gcvg-git-2@gmane.org; Wed, 17 Dec 2008 22:27:57 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752518AbYLQV0j (ORCPT ); Wed, 17 Dec 2008 16:26:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752664AbYLQV0i (ORCPT ); Wed, 17 Dec 2008 16:26:38 -0500 Received: from rv-out-0506.google.com ([209.85.198.237]:62633 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752641AbYLQV0h (ORCPT ); Wed, 17 Dec 2008 16:26:37 -0500 Received: by rv-out-0506.google.com with SMTP id k40so87877rvb.1 for ; Wed, 17 Dec 2008 13:26:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=oKNHh1l0W2Mb+37NWdNeXezDJiEh0toYhvkfxQwmfzc=; b=k0gHr2e+kMhx5mMpLUgjmWSYrTv33zjKwgNj1CL79W05NzGEdNqD2FHCE79m0q9npK HHENXi0F1U5Izz/NqDBUw8Qw+QPDoGBqyd9Ndh2d+W3+JV5eGU1rev+opdXB3JP4v7zJ SbEJQcQo0PrDyU0l7dILoG11r9D0NPhD6NPLo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=qIY+jwDBmQZxWMAM1P/xQxvAxHKBBD4VW3E9/K5Fkqt5HIeMEExvvlmciUK3BN7nIm kUghr0InHbln/czt9qYs6/LNTQRTJon6G6az84LliJGRdezS+Fp2kfoQKsAJBZ0msP5f 3JeRn7MrPv7YQJTdxtjH2lpXe5s8oZeG9D0ck= Received: by 10.141.98.13 with SMTP id a13mr607546rvm.20.1229549196719; Wed, 17 Dec 2008 13:26:36 -0800 (PST) Received: by 10.141.33.20 with HTTP; Wed, 17 Dec 2008 13:26:36 -0800 (PST) In-Reply-To: Content-Disposition: inline Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: On Wed, Dec 17, 2008 at 1:42 PM, Linus Torvalds wrote: > + while (hint < STRBUF_MAXLINK) { > + int len; > + > + strbuf_grow(sb, hint); > + len = readlink(path, sb->buf, hint); > + if (len < 0) { > + if (errno != ERANGE) > + break; > + } else if (len < hint) { > + strbuf_setlen(sb, len); > + return 0; > + } > + > + /* .. the buffer was too small - try again */ > + hint *= 2; > + continue; > + } Why the continue statement at the end of the loop? j.