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/* ISC license. */
#include <skalibs/sysdeps.h>
#ifdef SKALIBS_HASSPLICE
#include <skalibs/nonposix.h>
#include <fcntl.h>
#include <sys/uio.h>
#include <skalibs/buffer.h>
#include <skalibs/iobuffer.h>
#include <skalibs/siovec.h>
int iobuffer_kfromu (iobufferk *k, iobufferu *u)
{
struct iovec v[2] ;
ssize_t r ;
buffer_rpeek(&u->b[0], v) ;
r = vmsplice(k->p[1], v, 2, 0) ;
if (r < 0) return 0 ;
k->n += r ;
buffer_rseek(&u->b[0], r) ;
u->b[1].c.p = u->b[0].c.p ;
return iobufferu_isempty(u) ;
}
#else
#include <errno.h>
#include <skalibs/iobuffer.h>
int iobuffer_kfromu (iobufferk *k, iobufferu *u)
{
(void)k ;
(void)u ;
return (errno = ENOSYS, 0) ;
}
#endif
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