Re: tail: robustness

[Mouse <mouse%Rodents-Montreal.ORG@localhost>]

> | if (fflag == 2 && fp != stdin &&
> |     stat(fname, &statbuf) != -1) {
> [...]
> | 		fp = freopen(fname, "r", fp);
> |		if (fp == NULL) {
> |			ierr();
> |			goto out;
> |		}

Surely the right fix here is to open(), then, if that succeeds,
fstat(), then, if desired, fdopen(), fclose(), and assign?  That is,
prevent the race instead of recovering from losing it?

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