On Wed, Apr 03, 2013 at 06:04:37PM +1100, Bruce Evans wrote:
> On Tue, 2 Apr 2013, Xin LI wrote:
> > void
> > sranddev()
> > {
> > - int fd, done;
> > + int mib[2];
> > + size_t len;
> >
> > - done = 0;
> > - fd = _open("/dev/random", O_RDONLY | O_CLOEXEC, 0);
> > - if (fd >= 0) {
> > - if (_read(fd, (void *) &next, sizeof(next)) == sizeof(next))
> > - done = 1;
> > - _close(fd);
> > - }
> > -
> > - if (!done) {
> > - struct timeval tv;
> > -
> > - gettimeofday(&tv, NULL);
> > - srand((getpid() << 16) ^ tv.tv_sec ^ tv.tv_usec);
> > - }
>
> _open() and _read() are unlikely to fail, [...]They are very likely to fail when the process is sandboxed. -- Pawel Jakub Dawidek http://www.wheelsystems.com FreeBSD committer http://www.FreeBSD.org Am I Evil? Yes, I Am! http://tupytaj.pl
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