From patchwork Thu Oct 22 12:38:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alejandro Colomar X-Patchwork-Id: 40816 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 103A3398542A; Thu, 22 Oct 2020 12:39:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 103A3398542A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1603370340; bh=n7JvlAnmqsn7H8yRgMkXvD5VluqbB71IA2UGj8fUiRI=; 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=UFSO0ADEtSEiDgDZLlwg9FLPeAt1r6OspK3+Mp0kTYe26YSoYCUcm/KUS/tf3qP4m Q7U/HrDOgCEH3M3KdMpFeGMe8zwvH2Qk516PfGUp34z6guFJjyHXWjSCcuS4Jqu8ZL L/wf/omCr2krAc2htsPKO+0Psx17969p8myYci5U= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by sourceware.org (Postfix) with ESMTPS id C3AD939730C4 for ; Thu, 22 Oct 2020 12:38:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org C3AD939730C4 Received: by mail-wr1-x442.google.com with SMTP id n6so2164868wrm.13 for ; Thu, 22 Oct 2020 05:38:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=n7JvlAnmqsn7H8yRgMkXvD5VluqbB71IA2UGj8fUiRI=; b=kNr4e8H00Zkg46jgTclacg03Cbk/bLhHYi8jCxZZl5FIFWuVfXK5QePGe9YtWflOtW ioGrbOVcsNyeQj67Kwdc3Kb3vDcTeor4TkcZ0vlpfpqkpDak0+SaiLQKsiACGpnXuhwX zQiExjdYunVaGARczrnBOL7GRdEhLj4LWB+oh+TWuhGsacaeCdVOs2ALOL+PI0iO3xYo bJSi6GgKKaGkmcH83hOfx5m562cTlEuUZPUo4FHQs56szdY1iu5GN5UdXWUxy1lWh1KF avkGmxkrqsUyUU4Gi/fpG5oFozl0aLLSQOCtY31Y4b+PKktozILjn6ibCOuGDMGES2Pd 0y5A== X-Gm-Message-State: AOAM531tNRZJ/7hT3GF7iaB7AtWKuAa6wcLyNJr5oeByw9s4DaAaol14 6HSF/GD+GAvwG29ubwDzhPQ= X-Google-Smtp-Source: ABdhPJxiHJhlnjwebwv7l820Wb4B5+cnz2r/1TrJx0vBZhyVNu339K8gk7hXzEprRmfMLRM0l1eQUg== X-Received: by 2002:adf:9027:: with SMTP id h36mr2456330wrh.163.1603370334624; Thu, 22 Oct 2020 05:38:54 -0700 (PDT) Received: from debian-VLC.home ([170.253.60.68]) by smtp.googlemail.com with ESMTPSA id m1sm3573883wme.48.2020.10.22.05.38.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Oct 2020 05:38:54 -0700 (PDT) To: mtk.manpages@gmail.com Subject: [PATCH 04/10] queue.3, slist.3: DESCRIPTION: Move slist specific code from queue.3 to slist.3 Date: Thu, 22 Oct 2020 14:38:16 +0200 Message-Id: <20201022123821.22602-5-colomar.6.4.3@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201022123821.22602-1-colomar.6.4.3@gmail.com> References: <20201022123821.22602-1-colomar.6.4.3@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-10.7 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/queue.3 | 155 --------------------------------------------------- man3/slist.3 | 155 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 155 insertions(+), 155 deletions(-) diff --git a/man3/queue.3 b/man3/queue.3 index 3f8ca65f2..cf5ab60b2 100644 --- a/man3/queue.3 +++ b/man3/queue.3 @@ -322,161 +322,6 @@ or .Li CIRCLEQ_HEAD . See the examples below for further explanation of how these macros are used. -.Ss Singly-linked lists -A singly-linked list is headed by a structure defined by the -.Nm SLIST_HEAD -macro. -This structure contains a single pointer to the first element -on the list. -The elements are singly linked for minimum space and pointer manipulation -overhead at the expense of O(n) removal for arbitrary elements. -New elements can be added to the list after an existing element or -at the head of the list. -An -.Fa SLIST_HEAD -structure is declared as follows: -.Bd -literal -offset indent -SLIST_HEAD(HEADNAME, TYPE) head; -.Ed -.Pp -where -.Fa HEADNAME -is the name of the structure to be defined, and -.Fa TYPE -is the type of the elements to be linked into the list. -A pointer to the head of the list can later be declared as: -.Bd -literal -offset indent -struct HEADNAME *headp; -.Ed -.Pp -(The names -.Li head -and -.Li headp -are user selectable.) -.Pp -The macro -.Nm SLIST_HEAD_INITIALIZER -evaluates to an initializer for the list -.Fa head . -.Pp -The macro -.Nm SLIST_EMPTY -evaluates to true if there are no elements in the list. -.Pp -The macro -.Nm SLIST_ENTRY -declares a structure that connects the elements in -the list. -.Pp -The macro -.Nm SLIST_FIRST -returns the first element in the list or NULL if the list is empty. -.Pp -The macro -.Nm SLIST_FOREACH -traverses the list referenced by -.Fa head -in the forward direction, assigning each element in -turn to -.Fa var . -.\" .Pp -.\" The macro -.\" .Nm SLIST_FOREACH_FROM -.\" behaves identically to -.\" .Nm SLIST_FOREACH -.\" when -.\" .Fa var -.\" is NULL, else it treats -.\" .Fa var -.\" as a previously found SLIST element and begins the loop at -.\" .Fa var -.\" instead of the first element in the SLIST referenced by -.\" .Fa head . -.\" .Pp -.\" The macro -.\" .Nm SLIST_FOREACH_SAFE -.\" traverses the list referenced by -.\" .Fa head -.\" in the forward direction, assigning each element in -.\" turn to -.\" .Fa var . -.\" However, unlike -.\" .Fn SLIST_FOREACH -.\" here it is permitted to both remove -.\" .Fa var -.\" as well as free it from within the loop safely without interfering with the -.\" traversal. -.\" .Pp -.\" The macro -.\" .Nm SLIST_FOREACH_FROM_SAFE -.\" behaves identically to -.\" .Nm SLIST_FOREACH_SAFE -.\" when -.\" .Fa var -.\" is NULL, else it treats -.\" .Fa var -.\" as a previously found SLIST element and begins the loop at -.\" .Fa var -.\" instead of the first element in the SLIST referenced by -.\" .Fa head . -.Pp -The macro -.Nm SLIST_INIT -initializes the list referenced by -.Fa head . -.Pp -The macro -.Nm SLIST_INSERT_HEAD -inserts the new element -.Fa elm -at the head of the list. -.Pp -The macro -.Nm SLIST_INSERT_AFTER -inserts the new element -.Fa elm -after the element -.Fa listelm . -.Pp -The macro -.Nm SLIST_NEXT -returns the next element in the list. -.\" .Pp -.\" The macro -.\" .Nm SLIST_REMOVE_AFTER -.\" removes the element after -.\" .Fa elm -.\" from the list. -.\" Unlike -.\" .Fa SLIST_REMOVE , -.\" this macro does not traverse the entire list. -.Pp -The macro -.Nm SLIST_REMOVE_HEAD -removes the element -.Fa elm -from the head of the list. -For optimum efficiency, -elements being removed from the head of the list should explicitly use -this macro instead of the generic -.Fa SLIST_REMOVE -macro. -.Pp -The macro -.Nm SLIST_REMOVE -removes the element -.Fa elm -from the list. -.\" .Pp -.\" The macro -.\" .Nm SLIST_SWAP -.\" swaps the contents of -.\" .Fa head1 -.\" and -.\" .Fa head2 . -.Pp -See the EXAMPLES section below for an example program using a singly-linked list. .Ss Singly-linked tail queues A singly-linked tail queue is headed by a structure defined by the .Nm STAILQ_HEAD diff --git a/man3/slist.3 b/man3/slist.3 index 48bce3dc4..e29953a1d 100644 --- a/man3/slist.3 +++ b/man3/slist.3 @@ -68,6 +68,161 @@ .\" .Fn SLIST_SWAP "SLIST_HEAD *head1" "SLIST_HEAD *head2" "SLIST_ENTRY NAME" .\" .SH DESCRIPTION +.Ss Singly-linked lists +A singly-linked list is headed by a structure defined by the +.Nm SLIST_HEAD +macro. +This structure contains a single pointer to the first element +on the list. +The elements are singly linked for minimum space and pointer manipulation +overhead at the expense of O(n) removal for arbitrary elements. +New elements can be added to the list after an existing element or +at the head of the list. +An +.Fa SLIST_HEAD +structure is declared as follows: +.Bd -literal -offset indent +SLIST_HEAD(HEADNAME, TYPE) head; +.Ed +.Pp +where +.Fa HEADNAME +is the name of the structure to be defined, and +.Fa TYPE +is the type of the elements to be linked into the list. +A pointer to the head of the list can later be declared as: +.Bd -literal -offset indent +struct HEADNAME *headp; +.Ed +.Pp +(The names +.Li head +and +.Li headp +are user selectable.) +.Pp +The macro +.Nm SLIST_HEAD_INITIALIZER +evaluates to an initializer for the list +.Fa head . +.Pp +The macro +.Nm SLIST_EMPTY +evaluates to true if there are no elements in the list. +.Pp +The macro +.Nm SLIST_ENTRY +declares a structure that connects the elements in +the list. +.Pp +The macro +.Nm SLIST_FIRST +returns the first element in the list or NULL if the list is empty. +.Pp +The macro +.Nm SLIST_FOREACH +traverses the list referenced by +.Fa head +in the forward direction, assigning each element in +turn to +.Fa var . +.\" .Pp +.\" The macro +.\" .Nm SLIST_FOREACH_FROM +.\" behaves identically to +.\" .Nm SLIST_FOREACH +.\" when +.\" .Fa var +.\" is NULL, else it treats +.\" .Fa var +.\" as a previously found SLIST element and begins the loop at +.\" .Fa var +.\" instead of the first element in the SLIST referenced by +.\" .Fa head . +.\" .Pp +.\" The macro +.\" .Nm SLIST_FOREACH_SAFE +.\" traverses the list referenced by +.\" .Fa head +.\" in the forward direction, assigning each element in +.\" turn to +.\" .Fa var . +.\" However, unlike +.\" .Fn SLIST_FOREACH +.\" here it is permitted to both remove +.\" .Fa var +.\" as well as free it from within the loop safely without interfering with the +.\" traversal. +.\" .Pp +.\" The macro +.\" .Nm SLIST_FOREACH_FROM_SAFE +.\" behaves identically to +.\" .Nm SLIST_FOREACH_SAFE +.\" when +.\" .Fa var +.\" is NULL, else it treats +.\" .Fa var +.\" as a previously found SLIST element and begins the loop at +.\" .Fa var +.\" instead of the first element in the SLIST referenced by +.\" .Fa head . +.Pp +The macro +.Nm SLIST_INIT +initializes the list referenced by +.Fa head . +.Pp +The macro +.Nm SLIST_INSERT_HEAD +inserts the new element +.Fa elm +at the head of the list. +.Pp +The macro +.Nm SLIST_INSERT_AFTER +inserts the new element +.Fa elm +after the element +.Fa listelm . +.Pp +The macro +.Nm SLIST_NEXT +returns the next element in the list. +.\" .Pp +.\" The macro +.\" .Nm SLIST_REMOVE_AFTER +.\" removes the element after +.\" .Fa elm +.\" from the list. +.\" Unlike +.\" .Fa SLIST_REMOVE , +.\" this macro does not traverse the entire list. +.Pp +The macro +.Nm SLIST_REMOVE_HEAD +removes the element +.Fa elm +from the head of the list. +For optimum efficiency, +elements being removed from the head of the list should explicitly use +this macro instead of the generic +.Fa SLIST_REMOVE +macro. +.Pp +The macro +.Nm SLIST_REMOVE +removes the element +.Fa elm +from the list. +.\" .Pp +.\" The macro +.\" .Nm SLIST_SWAP +.\" swaps the contents of +.\" .Fa head1 +.\" and +.\" .Fa head2 . +.Pp +See the EXAMPLES section below for an example program using a singly-linked list. .SH RETURN VALUE .SH CONFORMING TO .SH BUGS