From 094a6feedc9c9beeaa55745a0434c55bacd5f61d Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Tue, 4 Oct 1994 06:50:01 +0000
Subject: Moved m_copyback into uipc_mbuf.c

---
 sys/net/rtsock.c | 55 +------------------------------------------------------
 1 file changed, 1 insertion(+), 54 deletions(-)

(limited to 'sys/net/rtsock.c')

diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index 0e1378c..897debc 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)rtsock.c	8.3 (Berkeley) 1/4/94
- * $Id$
+ * $Id: rtsock.c,v 1.3 1994/08/02 07:46:44 davidg Exp $
  */
 
 #include <sys/param.h>
@@ -372,59 +372,6 @@ rt_xaddrs(cp, cplim, rtinfo)
 	}
 }
 
-/*
- * Copy data from a buffer back into the indicated mbuf chain,
- * starting "off" bytes from the beginning, extending the mbuf
- * chain if necessary.
- */
-void
-m_copyback(m0, off, len, cp)
-	struct	mbuf *m0;
-	register int off;
-	register int len;
-	caddr_t cp;
-{
-	register int mlen;
-	register struct mbuf *m = m0, *n;
-	int totlen = 0;
-
-	if (m0 == 0)
-		return;
-	while (off > (mlen = m->m_len)) {
-		off -= mlen;
-		totlen += mlen;
-		if (m->m_next == 0) {
-			n = m_getclr(M_DONTWAIT, m->m_type);
-			if (n == 0)
-				goto out;
-			n->m_len = min(MLEN, len + off);
-			m->m_next = n;
-		}
-		m = m->m_next;
-	}
-	while (len > 0) {
-		mlen = min (m->m_len - off, len);
-		bcopy(cp, off + mtod(m, caddr_t), (unsigned)mlen);
-		cp += mlen;
-		len -= mlen;
-		mlen += off;
-		off = 0;
-		totlen += mlen;
-		if (len == 0)
-			break;
-		if (m->m_next == 0) {
-			n = m_get(M_DONTWAIT, m->m_type);
-			if (n == 0)
-				break;
-			n->m_len = min(MLEN, len);
-			m->m_next = n;
-		}
-		m = m->m_next;
-	}
-out:	if (((m = m0)->m_flags & M_PKTHDR) && (m->m_pkthdr.len < totlen))
-		m->m_pkthdr.len = totlen;
-}
-
 static struct mbuf *
 rt_msg1(type, rtinfo)
 	int type;
-- 
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