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Date: Sun, 17 Dec 2000 15:17:35 -0600
From: Chris Costello <chris@calldei.com>
Subject: Re: Why not another style thread? (was Re: cvs commit:
 src/lib/libc/gen getgrent.c)
In-reply-to: <20001217151509.A63051@hamlet.nectar.com>
To: "Jacques A. Vidrine" <n@nectar.com>
Cc: hackers@FreeBSD.ORG
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On Sunday, December 17, 2000, Jacques A. Vidrine wrote:
> What do folks think about
> 
>   1)    if (data)
>                 free(data);
> 
> versus
> 
>   2)    free(data);
> 
> versus
> 
>   3)    #define xfree(x) if ((x) != NULL) free(x);
>         xfree(data);

   2.  The C standard dictates that free() does nothing when it
gets a NULL argument.  The other two are just extra clutter.

-- 
+-------------------+-------------------------------------------------+
| Chris Costello    | This system will self-destruct in five minutes. |
| chris@calldei.com |                                                 |
+-------------------+-------------------------------------------------+


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