Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!sumax!polari!6sceng!blm
From: blm@6sceng.UUCP (Brian Matthews)
Newsgroups: comp.unix.wizards
Subject: Re: of course!
Message-ID: <341@6sceng.UUCP>
Date: 10 Dec 89 05:41:08 GMT
References: <152@norsat.UUCP> <2586@unisoft.UUCP> <15769@bloom-beacon.MIT.EDU> <17264@rpp386.cactus.org> <4526@ski.cs.vu.nl> <17303@rpp386.cactus.org> <1051@root44.co.uk> <1989Nov22.224209.28911@athena.mit.edu> <128791@sun.Eng.Sun.COM> <563@balthmus.tessi.UUCP> <1473
Reply-To: blm@6sceng.UUCP (Brian Matthews)
Organization: Six Sigma CASE, Inc.
Lines: 17

In article <14738@boulder.Colorado.EDU> bri@boulder.Colorado.EDU (Brian Ellis) writes:
|In article <563@balthmus.tessi.UUCP> joey@tessi.UUCP (Joe Pruett) writes:
|>isadir(path)
|>char *path;
|>{
|>	char tpath[strlen(path) + 3];
|[deleted]
|	this declaration is not legal, though. You must give the size at
|	*compile* time. You'll get the error "constant expected"

Go back and read <563@balthmus.tessi.UUCP> again.  The declaration is
one of gcc's extensions to C (all of which can be turned off, of course).
It's equivalent to

	char *tpath = alloca (strlen (path) + 3);
-- 
Brian L. Matthews	blm@6sceng.UUCP