Date: Mon, 11 Oct 2004 08:54:13 +0200 (CEST) From: Harti Brandt <harti@freebsd.org> To: Mike Hunter <mhunter@ack.Berkeley.EDU> Cc: hackers@freebsd.org Subject: Re: please help with: warning: initialization makes integer from pointer Message-ID: <20041011084925.N25731@beagle.kn.op.dlr.de> In-Reply-To: <20041008161442.GA9862@ack.Berkeley.EDU> References: <20041005054213.GA11770@lesanti.hq.sinectis.com.ar> <20041005202816.GA14973@titan.klemm.apsfilter.org> <20041005205040.GH31397@lesanti.hq.sinectis.com.ar> <20041006060437.GA23364@titan.klemm.apsfilter.org> <416579E1.8050308@nuclearelephant.com> <20041008173138.Y14215@beagle.kn.op.dlr.de> <20041008161442.GA9862@ack.Berkeley.EDU>
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On Fri, 8 Oct 2004, Mike Hunter wrote: MH>On Oct 08, "Harti Brandt" wrote: MH> MH>> On Fri, 8 Oct 2004, Dan Nelson wrote: MH>> MH>> Memset is actually not portable if the structure contains pointers because MH>> it would initialize the pointers to 0 values not to 0 pointers. A 0 MH>> pointer not necessarily has a 0 value. A pointer can be portably be MH>> initialize to the 0-pointer only by assigning NULL (or 0) (or by assigning MH>> another pointer that is alreay initialized). MH> MH>Sick! MH> MH>Are there actually systems out there that don't have "all-zero" NULL pointers? If you ask this question on comp.std.c I'm sure you'll get a number of positive answers, but be prepared to start a _long_ thread :-) harti
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