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([2001:a61:253c:8201:b2fb:3ef8:ca:1604]) by smtp.gmail.com with ESMTPSA id x16sm4971176edr.52.2020.06.25.00.16.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 25 Jun 2020 00:16:13 -0700 (PDT) Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org Subject: Re: [PATCH] ld.so.8: Explain than empty entry in LD_LIBRARY_PATH means cwd To: Arkadiusz Drabczyk References: <20200623225910.1008-1-arkadiusz@drabczyk.org> From: "Michael Kerrisk (man-pages)" Message-ID: <856b0c96-f641-dda3-cfaa-57444b7c561b@gmail.com> Date: Thu, 25 Jun 2020 09:16:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200623225910.1008-1-arkadiusz@drabczyk.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Hello Arkadiusz On 6/24/20 12:59 AM, Arkadiusz Drabczyk wrote: > If this was ever going to change the test case is very simple: > > /tmp $ touch libc.so.6 > /tmp $ LD_LIBRARY_PATH=: sh > sh: error while loading shared libraries: libc.so.6: file too short > > Signed-off-by: Arkadiusz Drabczyk Thanks for the patch, and the succinct test/demo in the commit message! Patch applied. Cheers, Michael > --- > man8/ld.so.8 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/man8/ld.so.8 b/man8/ld.so.8 > index 9034612..2e98b7f 100644 > --- a/man8/ld.so.8 > +++ b/man8/ld.so.8 > @@ -319,6 +319,7 @@ A list of directories in which to search for > ELF libraries at execution time. > The items in the list are separated by either colons or semicolons, > and there is no support for escaping either separator. > +A zero-length directory name indicates the current working directory. > .IP > This variable is ignored in secure-execution mode. > .IP > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/