readv.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright (c) 1997-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef LINT
static const char rcsid[] = "$Id: readv.c,v 8.2 1999/10/13 16:39:21 vixie Exp $";
#endif
#pragma ident "%Z%%M% %I% %E% SMI"
#include "port_before.h"
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include "port_after.h"
#ifndef NEED_READV
int __bindcompat_readv;
#else
int
__readv(fd, vp, vpcount)
int fd;
const struct iovec *vp;
int vpcount;
{
int count = 0;
while (vpcount-- > 0) {
int bytes = read(fd, vp->iov_base, vp->iov_len);
if (bytes < 0)
return (-1);
count += bytes;
if (bytes != vp->iov_len)
break;
vp++;
}
return (count);
}
#endif /* NEED_READV */