From: H. Peter Anvin <hpa@zytor.com>
Date: Wed, 28 Dec 2005 04:22:42 GMT
Subject: Re: [PATCH 2/4] short circuit out of a few places where we would allocate zero bytes
Message-ID: <43B21312.50603@zytor.com>
In-Reply-To: <20051224121243.GA3963@mail.yhbt.net>

Eric Wong wrote:
> dietlibc versions of malloc, calloc and realloc all return NULL if
> they're told to allocate 0 bytes, causes the x* wrappers to die().
> 
> There are several more places where these calls could end up asking
> for 0 bytes, too...
> 
> Maybe simply not die()-ing in the x* wrappers if 0/NULL is returned
> when the requested size is zero is a safer and easier way to go.
> 

Better yet, either always return NULL or allocate 1 byte in that case, 
to get consistent behaviour.

	-hpa