From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932166AbbJLSo5 (ORCPT ); Mon, 12 Oct 2015 14:44:57 -0400 Received: from mail-lb0-f178.google.com ([209.85.217.178]:34602 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752365AbbJLSk6 (ORCPT ); Mon, 12 Oct 2015 14:40:58 -0400 From: Alexander Kapshuk To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, jim.epost@gmail.com, richard@nod.at, tytso@mit.edu, Alexander Kapshuk Subject: [PATCH 13/22] ver_linux: libc, input redirection to sed fails in some distros Date: Mon, 12 Oct 2015 21:39:53 +0300 Message-Id: <1444675202-1375-13-git-send-email-alexander.kapshuk@gmail.com> X-Mailer: git-send-email 2.4.9 In-Reply-To: <1444675202-1375-1-git-send-email-alexander.kapshuk@gmail.com> References: <1444675202-1375-1-git-send-email-alexander.kapshuk@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The current implementation has been found not to work across all distros. The proposed implementation relies on 'sed' to both output the string 'Linux C Library' as well as to open '/proc/self/maps' without having to use output redirection. Tested on: Gentoo Linux Debian 6.0.10 Oracle Linux Server release 7.1 Arch Linux openSuSE 13.2 Signed-off-by: Alexander Kapshuk --- scripts/ver_linux | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/scripts/ver_linux b/scripts/ver_linux index af5ac82..909d039 100755 --- a/scripts/ver_linux +++ b/scripts/ver_linux @@ -107,8 +107,12 @@ isdnctrl 2>&1 | grep version | awk \ showmount --version 2>&1 | grep nfs-utils | awk \ 'NR==1{print "nfs-utils ", $NF}' -echo -n "Linux C Library " -sed -n -e '/^.*\/libc-\([^/]*\)\.so$/{s//\1/;p;q}' < /proc/self/maps +test -r /proc/self/maps && +sed ' + /.*libc-\(.*\)\.so$/!d + s//Linux C Library\t\t\1/ + q +' /proc/self/maps ldd -v > /dev/null 2>&1 && ldd -v || ldd --version |head -n 1 | awk \ 'NR==1{print "Dynamic linker (ldd) ", $NF}' -- 2.4.9