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Re: Is it guaranteed safe to pass NULL to free()?

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Re: Is it guaranteed safe to pass NULL to free()?

Subject: Re: Is it guaranteed safe to pass NULL to free()?
From: Brian Mastenbrook <email@hidden>
Date: Wed, 8 Oct 2008 19:16:08 -0500

On Oct 8, 2008, at 7:13 PM, Sean McBride wrote:

My understanding is that one can safely pass NULL to free(). I've seen this stated in man pages on various unices. However, I notice that Mac OS X 10.5's man page for free makes no comment about passing NULL. Is it guaranteed safe by posix or the C standard, or not?

Yes. It is guaranteed safe by the C standard.
--
Brian Mastenbrook
email@hidden
http://brian.mastenbrook.net/

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  >Is it guaranteed safe to pass NULL to free()? (From: "Sean McBride" <email@hidden>)




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