Date: Sun, 24 Sep 2000 15:47:40 +1100 From: "Jan Mikkelsen" <janm@transactionsite.com> To: "BSD" <bsd@shell-server.com> Cc: <stable@FreeBSD.ORG> Subject: Re: Constant panics on 4.1-STABLE! Message-ID: <002101c025e2$92868560$0901a8c0@haym.transactionsite.com>
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BSD <bsd@shell-server.com> wrote: >On Wed, 20 Sep 2000, Michael Allman wrote: >> 132 /* >> 133 * Look up the address in the table for that Address Family >> 134 */ >> 135 if (rnh && (rn = rnh->rnh_matchaddr((caddr_t)dst, rnh)) && >> 136 ((rn->rn_flags & RNF_ROOT) == 0)) { > > C doesn't guarantee order of execution in if ( bleh && bleh && >bleh). It may very well evaluate it backwards, or from the inside out if >it wants. No? No. The fact that the expression is used in an if statement doesn't change the order in which the expression is evalutated. The && operator groups left to right, and the second operand is not evalutated if the first is false. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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