From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755224Ab2IJQuy (ORCPT ); Mon, 10 Sep 2012 12:50:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:30715 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750706Ab2IJQuw (ORCPT ); Mon, 10 Sep 2012 12:50:52 -0400 From: Jiri Olsa To: linux-kernel@vger.kernel.org Cc: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Paul Mackerras , Frederic Weisbecker , Jiri Olsa Subject: [PATCH 2/4] perf tools: Add memdup function Date: Mon, 10 Sep 2012 18:50:17 +0200 Message-Id: <1347295819-23177-3-git-send-email-jolsa@redhat.com> In-Reply-To: <1347295819-23177-1-git-send-email-jolsa@redhat.com> References: <1347295819-23177-1-git-send-email-jolsa@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding memdup function to duplicate region of memory. void *memdup(const void *src, size_t len) Cc: Arnaldo Carvalho de Melo Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Paul Mackerras Cc: Frederic Weisbecker Signed-off-by: Jiri Olsa --- tools/perf/util/include/linux/string.h | 2 ++ tools/perf/util/string.c | 18 +++++++++++++++++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/include/linux/string.h b/tools/perf/util/include/linux/string.h index 3b2f590..6f19c54 100644 --- a/tools/perf/util/include/linux/string.h +++ b/tools/perf/util/include/linux/string.h @@ -1 +1,3 @@ #include + +void *memdup(const void *src, size_t len); diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 199bc4d..3217059 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -1,5 +1,5 @@ #include "util.h" -#include "string.h" +#include "linux/string.h" #define K 1024LL /* @@ -335,3 +335,19 @@ char *rtrim(char *s) return s; } + +/** + * memdup - duplicate region of memory + * @src: memory region to duplicate + * @len: memory region length + */ +void *memdup(const void *src, size_t len) +{ + void *p; + + p = malloc(len); + if (p) + memcpy(p, src, len); + + return p; +} -- 1.7.11.4