From: rbs{at}snippets.org
To: c_echo{at}yahoogroups.com

On Thu, 11 Sep 2003, Jerry Coffin wrote:

> Simple: by getting into the habit of putting them together, you don't
> accidentally do one part without the other.  Just for example, if you write:
>
> x = malloc(somesize);
>
> it's easy to forget to add the:
>
> if ( x == NULL)
>          // allocation failed.
>
> OTOH, if you always write it as:
>
> if ( NULL == (x=malloc(somesize)))
>          // allocation failed
>
> you're much less likely to forget.

Arguably even better are...

	assert(x = malloc(somesize));

...or...

#define MALLOC(ptr,size) if(NULL==(ptr=malloc(size))) abort()

	MALLOC(x, somesize);

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