Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759215AbZLOPaZ (ORCPT ); Tue, 15 Dec 2009 10:30:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758022AbZLOPaM (ORCPT ); Tue, 15 Dec 2009 10:30:12 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57113 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754228AbZLOP2M (ORCPT ); Tue, 15 Dec 2009 10:28:12 -0500 From: Masami Hiramatsu Subject: [PATCH -tip 07/14] perf tools: Add for_each macros for strlist To: Ingo Molnar , Frederic Weisbecker , lkml Cc: Paul Mackerras , Arnaldo Carvalho de Melo , Steven Rostedt , Jim Keniston , Ananth N Mavinakayanahalli , Christoph Hellwig , "Frank Ch. Eigler" , Jason Baron , "K.Prasad" , Peter Zijlstra , Srikar Dronamraju , systemtap , DLE Date: Tue, 15 Dec 2009 10:31:56 -0500 Message-ID: <20091215153156.17436.49157.stgit@dhcp-100-2-132.bos.redhat.com> In-Reply-To: <20091215153106.17436.66584.stgit@dhcp-100-2-132.bos.redhat.com> References: <20091215153106.17436.66584.stgit@dhcp-100-2-132.bos.redhat.com> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2798 Lines: 82 Add for_each iteration macros for strlist. This patch introduces strlist__for_each() and strlist__for_each_safe(), both are similar to list_for_each() and list_for_each_safe(). Signed-off-by: Masami Hiramatsu Cc: Ingo Molnar Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Steven Rostedt Cc: Jim Keniston Cc: Ananth N Mavinakayanahalli Cc: Christoph Hellwig Cc: Frank Ch. Eigler Cc: Frederic Weisbecker Cc: Jason Baron Cc: K.Prasad Cc: Peter Zijlstra Cc: Srikar Dronamraju --- tools/perf/util/strlist.h | 34 ++++++++++++++++++++++++++++++++++ 1 files changed, 34 insertions(+), 0 deletions(-) diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h index 59091c7..3ba8390 100644 --- a/tools/perf/util/strlist.h +++ b/tools/perf/util/strlist.h @@ -40,5 +40,39 @@ static inline unsigned int strlist__nr_entries(const struct strlist *self) return self->nr_entries; } +/* For strlist iteration */ +static inline struct str_node *strlist__first(struct strlist *self) +{ + struct rb_node *rn = rb_first(&self->entries); + return rn ? rb_entry(rn, struct str_node, rb_node) : NULL; +} +static inline struct str_node *strlist__next(struct str_node *sn) +{ + struct rb_node *rn; + if (!sn) + return NULL; + rn = rb_next(&sn->rb_node); + return rn ? rb_entry(rn, struct str_node, rb_node) : NULL; +} + +/** + * strlist_for_each - iterate over a strlist + * @pos: the &struct str_node to use as a loop cursor. + * @self: the &struct strlist for loop. + */ +#define strlist__for_each(pos, self) \ + for (pos = strlist__first(self); pos; pos = strlist__next(pos)) + +/** + * strlist_for_each_safe - iterate over a strlist safe against removal of + * str_node + * @pos: the &struct str_node to use as a loop cursor. + * @n: another &struct str_node to use as temporary storage. + * @self: the &struct strlist for loop. + */ +#define strlist__for_each_safe(pos, n, self) \ + for (pos = strlist__first(self), n = strlist__next(pos); pos;\ + pos = n, n = strlist__next(n)) + int strlist__parse_list(struct strlist *self, const char *s); #endif /* __PERF_STRLIST_H */ -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/