From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754654Ab2JPLs0 (ORCPT ); Tue, 16 Oct 2012 07:48:26 -0400 Received: from mga14.intel.com ([143.182.124.37]:28304 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754208Ab2JPLsZ (ORCPT ); Tue, 16 Oct 2012 07:48:25 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,593,1344236400"; d="scan'208";a="156713392" From: Andy Shevchenko To: Andrew Morton , linux-kernel@vger.kernel.org, Joe Perches Cc: Andy Shevchenko , Jason Baron , YAMANE Toshiaki , Greg Kroah-Hartman , linux-mm@kvack.org, Steven Rostedt , Frederic Weisbecker Subject: [PATCHv3 1/6] lib/string: introduce helper to get base file name from given path Date: Tue, 16 Oct 2012 14:48:08 +0300 Message-Id: <1350388094-18805-2-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1350388094-18805-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1350388094-18805-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There are several places in the kernel that use functionality like basename(3) with an exception: in case of '/foo/bar/' we expect to get an empty string. Let's do it common helper for them. Signed-off-by: Andy Shevchenko Cc: Jason Baron Cc: YAMANE Toshiaki Cc: Greg Kroah-Hartman Cc: linux-mm@kvack.org Cc: Steven Rostedt Cc: Frederic Weisbecker --- include/linux/string.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/string.h b/include/linux/string.h index 6301258..ac889c5 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -143,4 +143,15 @@ static inline bool strstarts(const char *str, const char *prefix) extern size_t memweight(const void *ptr, size_t bytes); +/** + * kbasename - return the last part of a pathname. + * + * @path: path to extract the filename from. + */ +static inline const char *kbasename(const char *path) +{ + const char *tail = strrchr(path, '/'); + return tail ? tail + 1 : path; +} + #endif /* _LINUX_STRING_H_ */ -- 1.7.10.4