On Sun, Jul 03, 2011 at 02:07:59PM +0200, Robert Millan wrote: > 2011/7/3 Kostik Belousov <kostik...@gmail.com>: > > I think the different workaround is already included in the latest > > sbuf source. Please see > > http://svnweb.freebsd.org/base/head/sys/kern/subr_sbuf.c?revision=222015&view=markup > > How does libsbuf react if the guess fails? Also note this codepath > isn't tested in FreeBSD (except for pc98). > > I'm afraid this situation could lead to runtime errors somehow. I'd > still propose replacing this guess with a sysconf() check.
Which runtime errors ? The constant is used to size the malloc allocations. Use of the PAGE_SIZE is an attempt to do some optimization. I think it would work if you use e.g. 42 instead of PAGE_SIZE.
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