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From: Joel Brobecker <brobecker@adacore.com>
To: Pierre Muller <pierre.muller@ics-cnrs.unistra.fr>
Cc: 'Michael Snyder' <msnyder@vmware.com>, gdb-patches@sourceware.org
Subject: Re: [RFA] p-typeprint.c, move pointer use to after null-check.
Date: Tue, 08 Mar 2011 15:30:00 -0000	[thread overview]
Message-ID: <20110308145617.GO30306@adacore.com> (raw)
In-Reply-To: <004e01cbdd9d$5d383600$17a8a200$@muller@ics-cnrs.unistra.fr>

>   No, I think that the code relies on the fact that physname
> is never null, but that the constructor or destructor could have no
> parameters, in which case  physname would point to \0
> after the '+= 6'.

OK, we agree, in fact:

> Is this correct:
>    if (physname && (*physname != 0))
> or is:
>    if (physname && *physname != 0)
> 
> better?
> or should I use:
>    if (physname && *physname != '\0')

My suggestion was to remove the "physname [!= NULL]" part only.
Hence:

    if (*physname != '\0')

(I think we have more cases of '\0' than 0 when we're checking
character values)

-- 
Joel


      reply	other threads:[~2011-03-08 14:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-01 20:37 Michael Snyder
2011-03-07 20:19 ` Michael Snyder
2011-03-08  6:54 ` Joel Brobecker
2011-03-08 14:56   ` Pierre Muller
2011-03-08 15:30     ` Joel Brobecker [this message]

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