Newsgroups: comp.lang.c Path: utzoo!henry From: henry@utzoo.uucp (Henry Spencer) Subject: Re: Is "if (!pointer)" as portable as "if (pointer == NULL)" ??? Message-ID: <1990Apr11.163555.5913@utzoo.uucp> Organization: U of Toronto Zoology References: <656@hades.OZ> <1461@tkou02.enet.dec.com> <717@ssp11.idca.tds.philips.nl> Date: Wed, 11 Apr 90 16:35:55 GMT In article <717@ssp11.idca.tds.philips.nl> dolf@idca.tds.PHILIPS.nl (Dolf Grunbauer) writes: >How about just a: > free(buffer) > >The manual pages I know allow a NULL pointer and doing nothing in this case. >Is this generally true ? Unfortunately, no. Old implementations of free() explode when given NULL. -- With features like this, | Henry Spencer at U of Toronto Zoology who needs bugs? | uunet!attcan!utzoo!henry henry@zoo.toronto.edu