On Wed, Apr 26, 2000 at 11:30:19AM +0900, itojun@iijlab.net wrote:

 > >>+       if (mtod(m, intptr_t) & 0x3) {
 > >>+               intptr_t i = mtod(m, intptr_t) & 0x3;
 > >>+               bcopy(m->m_data, m->m_data - i, m->m_len);
 > >Since the arguments overlap, that should be ovbcopy.
 > 
 > 	just to be sure: there's no ovbcopy in the kernel any more.
 > 	bcopy in the kernel is safe against overlap. (sys/lib/libkern/bcopy.c)

Better yet... memmove()!  But I'm still not certain that this is actually
what we want to do.

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>