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Date: Mon, 21 Jul 2003 21:43:01 -0600
From: Scott Long <scottl@freebsd.org>
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To: Poul-Henning Kamp <phk@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/sys cdefs.h systm.h
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Poul-Henning Kamp wrote:
> phk         2003/07/21 11:35:51 PDT
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/sys              cdefs.h systm.h 
>   Log:
>   Add a new macro __nonnull(x) to use the new GCC33 attribute which checks
>   that an argument is not a NULL pointer.
>   
>   Apply various obvious places.
>   
>   I belive __printf*() implies __nonnull() so it is not needed on functions
>   already tagged that way.
>   
>   Revision  Changes    Path
>   1.72      +6 -0      src/sys/sys/cdefs.h
>   1.195     +16 -16    src/sys/sys/systm.h
> 

strtoul and strtol are allowed to have their second argument be NULL.
It's even expressly documented in the man page, and a casual look at
libkern verifies it.

Scott