From patchwork Fri Oct 23 14:57:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alejandro Colomar X-Patchwork-Id: 40835 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id E0FCB398B41D; Fri, 23 Oct 2020 14:58:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E0FCB398B41D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1603465120; bh=e2jGTJzns2qxsnnJgD3L2G3N9gs9XZ2JKEkJ9j/5IOo=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=T/TyFGqi/dWA/JOSL1dB1uYfrbmeiByqyTBpW1a02PsHBp8dQljXVoXcvwmEIk0Fn OuRtILniIXiWd/Vh8EkU+7qXulZqSQfNvyYcl2qfsedBxbLsUe0NWB+hr1vYDe+SGa nF/iy354EDVr0PvGYr6xiYxytqO13FYc8fZpE8sQ= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by sourceware.org (Postfix) with ESMTPS id DFE89398B418 for ; 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Fri, 23 Oct 2020 07:58:38 -0700 (PDT) Received: from localhost.localdomain ([170.253.60.68]) by smtp.googlemail.com with ESMTPSA id m8sm3755268wrw.17.2020.10.23.07.58.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2020 07:58:37 -0700 (PDT) To: mtk.manpages@gmail.com Subject: [PATCH 07/11] circleq.3: Copy and adapt code from queue.3 Date: Fri, 23 Oct 2020 16:57:33 +0200 Message-Id: <20201023145736.102750-8-colomar.6.4.3@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201023145736.102750-1-colomar.6.4.3@gmail.com> References: <20201023145736.102750-1-colomar.6.4.3@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, GIT_PATCH_0, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Alejandro Colomar via Libc-alpha From: Alejandro Colomar Reply-To: Alejandro Colomar Cc: Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Signed-off-by: Alejandro Colomar --- man3/circleq.3 | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/man3/circleq.3 b/man3/circleq.3 index 2d683b441..491e1ec91 100644 --- a/man3/circleq.3 +++ b/man3/circleq.3 @@ -50,6 +50,8 @@ .Nm CIRCLEQ_PREV , .Nm CIRCLEQ_REMOVE .SH SYNOPSIS +.In sys/queue.h +.\" .Fn CIRCLEQ_EMPTY "CIRCLEQ_HEAD *head" .Fn CIRCLEQ_ENTRY "TYPE" .Fn CIRCLEQ_FIRST "CIRCLEQ_HEAD *head" @@ -69,6 +71,18 @@ .Fn CIRCLEQ_PREV "TYPE *elm" "CIRCLEQ_ENTRY NAME" .Fn CIRCLEQ_REMOVE "CIRCLEQ_HEAD *head" "TYPE *elm" "CIRCLEQ_ENTRY NAME" .SH DESCRIPTION +In the macro definitions, +.Fa TYPE +is the name of a user-defined structure, +that must contain a field of type +.Li CIRCLEQ_ENTRY , +named +.Fa NAME . +The argument +.Fa HEADNAME +is the name of a user-defined structure that must be declared +using the macro +.Li CIRCLEQ_HEAD . .Ss Circular queues A circular queue is headed by a structure defined by the .Nm CIRCLEQ_HEAD @@ -208,6 +222,10 @@ removes the element from the circular queue. .SH RETURN VALUE .SH CONFORMING TO +Not in POSIX.1, POSIX.1-2001 or POSIX.1-2008. +Present on the BSDs +(CIRCLEQ macros first appeared in +.Bx 4.4 ). .SH BUGS .SH EXAMPLES .Ss Circular queue example @@ -227,9 +245,9 @@ CIRCLEQ_HEAD(circlehead, entry); int main(void) { - struct entry *n1, *n2, *n3, *np; + struct entry *n1, *n2, *n3, *np; struct circlehead head; /* Queue head. */ - int i; + int i; CIRCLEQ_INIT(&head); /* Initialize the queue. */