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2004 Jan 20
0
short analysys of qmail integer overflow bug - let there be light
....
That is not true.
This is how blast() is called:
void smtp_data() {
int hops;
unsigned long qp;
char *qqx;
if (!seenmail) { err_wantmail(); return; }
if (!rcptto.len) { err_wantrcpt(); return; }
seenmail = 0;
if (databytes) bytestooverflow = databytes + 1;
if (qmail_open(&qqt) == -1) { err_qqt(); return; }
qp = qmail_qp(&qqt);
out("354 go ahead\r\n");
received(&qqt,"SMTP",local,remoteip,remotehost,remoteinfo,fakehelo);
blast(&hops);
hops = (hops >= MAXHOPS);
if (hops) qmail_fail(&qqt);
qmail_from(&qqt,mailfrom.s...
2006 Jul 30
1
Parametric links for glm?
...be passed down to the fitting routines. So, in the
Gosset case, for example,
had the following passage in make.link, involving a free degrees of
freedom parameter nu:
}, Gosset = {
linkfun <- function(mu) qt(mu,nu)
linkinv <- function(eta) {
thresh <- -qqt(.Machine$double.eps,nu)
eta <- pmin(thresh, pmax(eta, -thresh))
pt(eta,nu)
}
mu.eta <- function(eta) pmax(dt(eta,nu), .Machine$double.eps)
valideta <- function(eta) TRUE
},
Just prior to the useR meeting, there were some changes in R-de...