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Date:      Thu, 24 Apr 2008 01:12:09 +0300
From:      Giorgos Keramidas <keramida@ceid.upatras.gr>
To:        Simun Mikecin <numisemis@yahoo.com>
Cc:        hackers@freebsd.org
Subject:   Re: strdup(NULL) supposed to create SIGSEGV?
Message-ID:  <87d4og9q6e.fsf@kobe.laptop>
In-Reply-To: <293918.47889.qm@web36608.mail.mud.yahoo.com> (Simun Mikecin's message of "Wed, 23 Apr 2008 09:06:44 -0700 (PDT)")
References:  <293918.47889.qm@web36608.mail.mud.yahoo.com>

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On Wed, 23 Apr 2008 09:06:44 -0700 (PDT), Simun Mikecin <numisemis@yahoo.com> wrote:
>>If you're going to quote documents to support your ideas, it's probably
>>better to read them first.
>
> My apologies. My fingers were faster than my mind. But this made me
> read it the way I should have done in the first place. And I see that
> it says:
>
> "A null pointer is returned if the new string cannot be created."
>
> Does that also mean that a null pointer is returned if the input is a
> NULL pointer (cause in that case new string could not be created)?

No.  It means that if the input is *valid* but the is a problem with
completing the operation of strdup(validstring), then an error is
returned to let you know something bad is going on.




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