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Date: Mon, 21 Aug 2017 13:30:03 +0200 From: Michal Suchánek <msuchanek@...e.de> To: Baoquan He <bhe@...hat.com> Cc: linux-doc@...r.kernel.org, Lokesh Vutla <lokeshvutla@...com>, Viresh Kumar <viresh.kumar@...aro.org>, David Howells <dhowells@...hat.com>, Sylvain 'ythier' Hitier <sylvain.hitier@...il.com>, Paul Mackerras <paulus@...ba.org>, Hari Bathini <hbathini@...ux.vnet.ibm.com>, Ingo Molnar <mingo@...nel.org>, Michael Neuling <mikey@...ling.org>, Jonathan Corbet <corbet@....net>, Ilya Matveychikov <matvejchikov@...il.com>, Mahesh J Salgaonkar <mahesh@...ux.vnet.ibm.com>, Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>, Kees Cook <keescook@...omium.org>, Rusty Russell <rusty@...tcorp.com.au>, Nicholas Piggin <npiggin@...il.com>, Scott Wood <oss@...error.net>, Jason Baron <jbaron@...mai.com>, "Steven Rostedt, " <rostedt@...dmis.org>, Thomas Gleixner <tglx@...utronix.de>, Daniel Axtens <dja@...ens.net>, linux-kernel@...r.kernel.org, "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>, Jessica Yu <jeyu@...nel.org>, Tejun Heo <tj@...nel.org>, Oliver O'Halloran <oohall@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, linuxppc-dev@...ts.ozlabs.org Subject: Re: [PATCH v7 3/4] lib/cmdline.c Remove quotes symmetrically. On Mon, 21 Aug 2017 18:27:12 +0800 Baoquan He <bhe@...hat.com> wrote: > On 08/17/17 at 10:14pm, Michal Suchanek wrote: > > Remove quotes from argument value only if there is qoute on both > > sides. > > > > Signed-off-by: Michal Suchanek <msuchanek@...e.de> > > Sounds reasonable. Just for curiosity, do we have chance to pass in > option with a single '"'? No, we don't. Perhaps it would work if it was at the end of the commandline. next_arg checks that quoting is closed. It was possible but undocumented with previous behavior - you would place the quote in the middle and the closing quote at start or end so that next_arg would remove the closing quote but not the one in the middle. It would be also possible with shell-like backslash escaping but that is not implemented. Thanks Michal
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